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Literatura académica sobre el tema "Turkana"

Autor: Grafiati

Publicado: 4 de junio de 2021

Última modificación: 18 de febrero de 2022

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Artículos de revistas sobre el tema "Turkana"

Keding, Birgit. "Middle Holocene Fisher-Hunter-Gatherers of Lake Turkana in Kenya and Their Cultural Connections with the North: The Pottery". Journal of African Archaeology 15, n.º 1 (7 de diciembre de 2017): 42–76. http://dx.doi.org/10.1163/21915784-12340003.

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AbstractDuring the Early and Middle Holocene, large areas of today’s arid regions in North and East Africa were populated by fisher-hunter-gatherer communities who heavily relied on aquatic resources. In North Africa, Wavy Line pottery and harpoons are their most salient diagnostic features. Similar finds have also been made at sites in Kenya’s Lake Turkana region in East Africa but a clear classification of the pottery was previously not available. In order to elucidate the cultural connections between Lake Turkana’s first potters and North African groups, the pottery of the Koobi Fora region that was excavated by John Barthelme in the 1970/80s was re-assessed in detail. It was compared and contrasted – on a regional scale – with pottery from Lowasera and sites near Lothagam (Zu4, Zu6) and – on a supra-regional scale – with the pottery of the Central Nile Valley and eastern Sahara. The analyses reveal some significant points: Firstly, the early fisher pottery of Lake Turkana is clearly typologically affiliated with the Early Khartoum pottery and was thus part of the Wavy Line complex. Secondly, certain typological features of the Turkana assemblages, which include only a few Dotted Wavy Line patterns, tentatively hint to a date at least in the 7th millennium bp or earlier. Thirdly, the pottery features suggest that the East African fisher-hunter-gatherers adopted pottery from Northeast Africa.

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Erukudi, Locha y Paul Edabu. "INFLUENCE OF FOOD ADEQUACY ON ENROLMENT IN ECE CENTRES IN TURKANA CENTRAL SUB COUNTY, TURKANA COUNTY, KENYA". African Journal of Education and Practice 6, n.º 6 (29 de septiembre de 2020): 29. http://dx.doi.org/10.47604/ajep.1143.

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Purpose: This study sought to establish the influence of SFP on children enrolment in early childhood education centers in Turkana Central Sub-County, Kenya. Specific objective was to establish the influence of food adequacy on enrolment in ECE centres in Turkana Central Sub County, Turkana County, Kenya. Methodology: The study was based on Maslow hierarchy of needs, the program theory and liberal egalitarian theory. The study used a mixed research method. The study adopted the cross-sectional research design. The target population was 250 schools, 78 teachers and head teachers and 5,000 parents in pre-schools in Turkana Central Sub County. The study used purposive sampling to select respondents. The sample size of the study was 150 schools, 60 teachers and head teachers and 357 parents. Primary data was gathered by use of questionnaires and interviews guides. Secondary data consisted of report forms of pre-schoolers. Quantitative information was analyzed using descriptive statistics which was computed using SPSS version 21. Qualitative data was analyzed using content analysis. Multiple regressions were done to analyze the influence of SFPs on children enrolment in ECDE centres in Turkana Central Sub County. Findings: The study found that food adequacy significantly and positively relate with children enrolment in ECE centres in Turkana Central Sub County, Turkana County, Kenya. Food adequacy had statistically significant effect of school enrolment in ECD (β = 0.415, P = 0.005). It implies that food adequacy significantly and positively relate with children enrolment in ECE centres in Turkana Central Sub County, Turkana County, Kenya. This implies that increasing food adequacy will lead to increase in children enrolment in ECE centres in Turkana Central Sub County, Turkana County, Kenya. Unique contribution to theory, practice and policy: The study therefore recommends the government to increase food supply to ensure adequacy. There is need to continue supply of balanced diet to children because it improves their growth and learning. Some of the children are from very poor families and during school holidays they suffer because of lack of food; the study therefore recommends orphans, poor and disabled to be fed even during holidays.

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Gray, Sandra J. "Comparison of effects of breast-feeding practices on birth-spacing in three societies: nomadic Turkana, Gainj, and Quechua". Journal of Biosocial Science 26, n.º 1 (enero de 1994): 69–90. http://dx.doi.org/10.1017/s0021932000021076.

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SummaryVariation in the duration and pattern of breast-feeding contributes significantly to inter-population differences in fertility. In this paper, measures of suckling frequency and intensity are used to compare the effects of breastfeeding practices on the duration of lactational amenorrhoea, and on the length of the birth interval in three prospective studies undertaken during the 1980s, among Quechua Indians of Peru, Turkana nomads of Kenya, and Gainj of Papua New Guinea.In all three societies, lactation is prolonged well into the second year postpartum, and frequent, on-demand breast-feeding is the norm. However, the duration of lactational amenorrhoea and the length of birth intervals vary considerably. Breast-feeding patterns among Gainj and Turkana are similar, but Turkana women resume menses some 3 months earlier than do the Gainj. The average birth interval among the Gainj exceeds that of nomadic Turkana by over 15 months. Suckling activity decreases significantly with increasing age of nurslings among both Gainj and Quechua, but not among Turkana. Earlier resumption of menses among Turkana women may be linked to the unpredictable demands of the pastoral system, which increase day-to-day variation in the number of periods of on-demand breast-feeding, although not in suckling patterns. This effect is independent of the age of infants.The short birth intervals of Turkana women, relative to those of the Gainj, may be related to early supplementation of Turkana nurslings with butterfat and animals' milk, which reduces energetic demands on lactating women at risk of negative energy balance.

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Wymeersch, Patrick y Dirk Beke. "The Killing Desert? Droogte, Nomadentradities en Ontwikkelingsbestuur bij de Turkana". Afrika Focus 3, n.º 3-4 (15 de enero de 1987): 210–35. http://dx.doi.org/10.1163/2031356x-0030304003.

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The killing Desert? Drought, Nomadic Traditions and Development Administration with the Turkana. The Turkana are nomadic pastoralists who live in the desert regions of northwestern Kenya. The majority of the Turkana practice no agriculture nor fishing and live exclusively from the products of their livestock (milk, blood and meat). They keep multiple species herds (cattle, camels, goats, sheep and donkeys) in order to buffer the variations in the quality and distribution of vegetal resources and water requirements. The Turkana were one of many affected by several droughts. Although the famine which resulted from the sharp drop in food production was dramatized by international press, insecurity of food availability is characteristic of pastoral production systems. One technique used by the Turkana to exploit an environment where the availability of food is inconsistent, sparse and scattered, is the management of herds composed by many species which can be divided in the dry season into different herds. The second technique used to manage livestock is mobility and raiding cattle from neighbouring ethnic groups. In times of stress the Turkana utilize a system of social ties, obligations and rights which they build up over a lifetime. Important social relationships are reconfirmed periodically via the exchange of livestock between friends. The not integrated new projects in Turkana land could lead to destruction of the ecology, and to a breakdown of the pastoral system and of the system of social ties which has enabled generations of Turkana to cope with the stresses imposed by living in a harsh and unpredictable environment.

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Donovan, Alan. "Turkana Functional Art". African Arts 21, n.º 3 (mayo de 1988): 44. http://dx.doi.org/10.2307/3336442.

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Fleagle, John G. y Meave Leakey. "The Turkana Basin". Evolutionary Anthropology: Issues, News, and Reviews 20, n.º 6 (noviembre de 2011): 201. http://dx.doi.org/10.1002/evan.20333.

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Scholz, Henning y Matthias Glaubrecht. "Shell and operculum taphonomy of the bithyniid gastropodGabbiellain the Pleistocene Turkana Basin, North Kenya". Journal of Paleontology 87, n.º 1 (enero de 2013): 84–90. http://dx.doi.org/10.1666/12-041r.1.

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Shells and opercula of bithyniid gastropods assigned toGabbiellaare found in high abundance in the Pleistocene upper Burgi and KBS Members of the Koobi Fora Formation, Turkana Basin, northern Kenya. The systematic paleontology of the Turkana BasinGabbiellais revised herein based on morphological comparison with the opercula of other Recent African bithyniids. The fossils from the upper Burgi and KBS Members are here assigned toGabbiella roseaMandahl-Barth, 1968, a species not known from the Turkana fossil record before, but extant in this lake today. A sampling and taphonomic bias is identified which influences the relative abundance ofGabbiellashells and opercula, as a mesh size of 0.63 mm or less is necessary to capture all opercula preserved in the sediments. Accordingly, opercula were found to be significantly more abundant than shells, indicating a different preservation potential of shells and opercula, as the calcitic operculum is more robust than the aragonitic shell. In contrast to previous arguments that most shellbeds in the Turkana Basin sequence represent undisturbed life assemblages, a taphonomic bias is clearly evident reducing the fidelity of the Turkana Basin mollusk assemblages.

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KOROVCHINSKY, NIKOLAI M., ELIZABETH J. WALSH y RADOSLAV SMOLAK. "Diaphanosoma Fischer, 1850 (Crustacea: Cladocera: Sididae) of Lake Turkana (East Africa), with the description of a new species of the genus". Zootaxa 4250, n.º 1 (3 de abril de 2017): 77. http://dx.doi.org/10.11646/zootaxa.4250.1.6.

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Diaphanosoma turkanae sp. nov. is described from Lake Turkana (Kenya, East Africa). This species is the second Afrotropical endemic in the order Ctenopoda. It is characterized by a distinctive feature, the presence of an unusually small number of setae on the upper two-segmented antennal branch (exopodite); the proximal segment of the branch always bears three setae while the distal segment bears either six or seven setae. Morphologically the new species is most similar to D. orghidani Negrea, also occurring in Africa and presumably sharing an evolutionary affinity. D. turkanae sp. nov. co-occurs with two other species of the genus, D. lacustris Kořinek and D. excisum Sars, which are briefly described here. Temperate-subtropical species of the genus Diaphanosoma penetrate far south along the Nile River system up to the equatorial and Ethiopian lakes and further southwards, often forming multi-species assemblages.

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Beck, Catherine C., Craig S. Feibel, James D. Wright y Richard A. Mortlock. "Onset of the African Humid Period by 13.9 kyr BP at Kabua Gorge, Turkana Basin, Kenya". Holocene 29, n.º 6 (11 de marzo de 2019): 1011–19. http://dx.doi.org/10.1177/0959683619831415.

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The shift toward wetter climatic conditions during the African Humid Period (AHP) transformed previously marginal habitats into environments conducive to human exploitation. The Turkana Basin provides critical evidence for a dynamic climate throughout the AHP (~15–5 kyr BP), as Lake Turkana rose ~100 m multiple times to overflow through an outlet to the Nile drainage system. New data from West Turkana outcrops of the late-Pleistocene to early-Holocene Galana Boi Formation complement and extend previously established lake-level curves. Three lacustrine highstand sequences, characterized by laminated silty clays with ostracods and molluscs, were identified and dated using AMS radiocarbon on molluscs and charcoal. This study records the earliest evidence from the Turkana Basin for the onset of AHP by at least 13.9 kyr BP. In addition, a depositional hiatus corresponds to the Younger Dryas (YD), reflecting the Turkana Basin’s response to global climatic forcing. The record from Kabua Gorge holds additional significance as it characterized the time period leading up to Holocene climatic stability. This study contributes to the paleoclimatic context of the AHP and YD during which significant human adaptation and cultural change occurred.

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Wakjira, Mulugeta y Abebe Getahun. "Ichthyofaunal diversity of the Omo-Turkana basin, East Africa, with specific reference to fish diversity within the limits of Ethiopian waters". Check List 13, n.º 2 (4 de marzo de 2017): 2059. http://dx.doi.org/10.15560/13.2.2059.

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The freshwaters of the East African nation of Ethiopia are divided into nine main drainage basins. One of these, the Omo-Turkana basin, spans a large part of southwestern Ethiopian highlands and northern Kenya, and consists of the Omo-Gibe (or simply, Omo) River and a northern portion of Lake Turkana. Despite some development activities, including proposed dam construction with potential impacts on ichthyofaunal diversity, the Ethiopian part of the basin generally lacks comprehensive study or full scientific documentation. During the current surveys 31 species were identified from the lower Omo River and Ethiopian part of Lake Turkana, with some new records for the basin. The Omo River system was found to be richer in species while Lake Turkana has a higher abundance. Ichthyofaunal diversity within Ethiopian waters is specifically addressed, and an annotated checklist for native species of the basin is provided.

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Tesis sobre el tema "Turkana"

Muntet, Stephen. "The Silent War: Pokot and Turkana Conflict". Thesis, University of Oregon, 2016. http://hdl.handle.net/1794/20550.

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In this paper, I put to test Homer-Dixon’s theory which suggest that Environmental resource scarcity, can singly or in collaboration with other factors such as lack of local institutions and poverty work to produce violence due to competition. I start by analyzing a case study of Pokot-Turkana Conflict from 1969-1984. Using available literature, I discuss various motives of raiding by these two groups. And to further test Homer-Dixon’s theory, I analyze a non-violence case study on the Ethiopia-Somali region where agro-pastoralist in the Yarer and Daketa valley cooperate with visiting pastoralists during droughts. The leading question is, Given that both of these case studies take place in areas prone to scarcity of resources and both residents have access to illegal firearms and lack government control, why then are the Pokot and Turkana fighting and raiding each other, while the residents of Ethiopia- Somali region share and cooperate during droughts?

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Vetel, William. "Dynamique de l'extension intra-continentale en contexte de rift magmatique : le Rift Turkana (Nord Kenya) de l'Eocène à l'Actuel". Brest, 2005. https://tel.archives-ouvertes.fr/tel-00009294.

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La géométrie du rift cénozoïque du Turkana (45 Ma. , Nord Kenya) est dominée par un ensemble de bassins syn-rifts oligo-pliocènes et une topographie peu contrastée. Ce mémoire, basé sur l'imagerie Landsat ETM+, des données topographiques et de sismique réflexion, permet une reconstitution de l'évolution du rift Turkana depuis 45 Ma. Qui démontre l'influence de deux couloirs transverses de socle et du magmatisme sur le développement des structures extensives. L'étude des inversions tectoniques positives récentes/actives (<3. 7 Ma aboutit à un modèle cinématique en trois stades pour les 5 derniers Ma. L'étude géométrique et statistique du réseau de failles récent (<, Ma. ) du Kino Sogo révèle : 1) ce réseau accommode peu d'extension et implique des taux d'extension et de déformation faibles, 2) les longueurs de failles se corrèlent avec une loi mathématique exponentielle, et 3) les failles ont des rejets <_ 100 m, ce qui leur confère un rapport rejet/longueur faible. Ce caractère mature, mais sous-déplacé des failles, est attribué à un modèle de croissance de failles dominé par la réactivation de structures pré-existantes. Enfin, l'analyse du réseau de rivières du Turkana permet de discuter trois anomalies de drainage: 1) la déviation de la rivière Turkwell le long d'un couloir transverse faillé intra-socle, 2) le blocage d'un réseau dense de rivières par la réactivation récente d'un plan de faille oligo-miocène, et 3) la formation d'une anomalie de type circulaire initiée lors de l'inversion récente des bassins (<3. 7 Ma). D'une façon générale, ce travail apporte de nouveaux résultats sur la mise en place de rifts magmatiques marqués par un héritage structural important
The geometry of the Turkana Cenozoic rift (45 Ma. , North Kenya) is dominated by a set of syn-rift oligo-pliocene basins and a subdued topography. This manuscript, based on satellite imagery (Landsat ETM+), topographical data (SRTM) combined with seismic reflexion, proposes a model for the Turkana rift evolution for the last 45 Ma. That demonstrates the influence of two transverse basement faulted corridors and of magmatic domains on the extensional structures development. The study of recent/active tectonic inversions leads us to propose a three-stages kinematic model for the last 5 Ma. The geometrical and statistical study of the recent (<3 Ma. ) Kino Sogo fault bel reveals : 1) this network accommodates a weak extension implying low extensional and strain rates, 2) fault lengths fit with exponential law, and 3) fault throw are 5100 m leading to a weak throw/length ratio. This mature, but under-displaced character of faults, is attributed to a fault growth model dominated by the rejuvenation of pre-existing structures. Finally, the Turkana river network analyses leads us to discuss three drainage anomalies: 1) the virgation of the Turkwell river along a transverse basement faulted corridor, 2) the lock of a dense river pattern by the recent reactivation of an oligo-miocene fault plane, and 3) the formation of a circular-type drainage anomaly in response to the recent tectonic inversions of the basins (3. 7 Ma. ). More generally, this work supplies some new insights on the development of magmatic rifts controlled by a strong structural inheritance

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van, den Boogaard Rudolf. "Food insecurity and entitlements among Turkana pastoralists, northern Kenya". Thesis, University of Sussex, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.270355.

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Andersson, Jonas. "Cash Transfers in Emergencies : The Lost Money of Turkana". Thesis, Linnéuniversitetet, Institutionen för samhällsstudier (SS), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-89122.

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Today, millions of people are living in poverty and in emergency situations with lack of basic needs. This thesis will look into cash transfers in emergencies in Kenya and Kenya’s cash transfer program; Hunger Safety Net Program. Cash transfers are money transfers from organizations/donors to households that intent to provide the beneficiaries with the opportunity to purchase basic needs, in order to assist them to get out of poverty and to address Sustainable Development Goal 1; No poverty. The aim of the thesis is to get a larger understanding of when cash transfers intervention are appropriate during emergencies and to get a view of the current image of cash transfers in Kenya. The thesis will have the following research questions; When it is appropriate to deliver cash transfer in emergencies? What is the image of Hunger Safety Net Program and cash transfers in emergencies perceived by different actors? To be able to answer the research question in this thesis, information was gathered through semi-structured interviews and focus groups from four different actor groups; funding sources, implementing agencies, local chief in Lodwar and beneficiaries in two different location in Turkana county. The thesis provides information that cash transfers has a positive impact on the beneficiaries and the local communities. Moreover the findings from the thesis suggests that the cash transfers should be transferred in prevention stage along with other intervention steps, in line with the theoretical frameworks of sustainable livelihood and WHO conceptual framework for the role of cash transfer. The thesis also provides findings that the image is diverse, however the findings from beneficiaries are that they do not receive their money they are entitling to. The funding source and the implementing agencies claim the opposite and praise the monitoring system that is in place. The thesis findings and conclusions are based on perceptions and therefore no physical evidence is proven, it is up to further research and organizations to investigate where the money is and who is benefitting from the program. The thesis contribution to knowledge are; the cash is appropriate to deliver in prevention stage and at the moment the cash from the Hunger Safety Net Program appears to not reach the beneficiaries, therefore the findings are highly important for knowledge to various stakeholders and for the public.

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Bruen, Richard J. "Akipeyos nachamunet a model for contextualizing the Lord's supper among the Turkana? /". Theological Research Exchange Network (TREN), 2002. http://www.tren.com.

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Muia, George. "The ''Turkana Grits'' : Potential Hydrocarbon Reservoirs of the Northern and Central Kenya Basins". Thesis, Rennes 1, 2015. http://www.theses.fr/2015REN1S069/document.

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Plus des deux tiers des champs pétroliers mondiaux se trouvent dans deux principaux environnements tectoniques : les marges continentales passives et les rifts continentaux. Dans le bassin de Lockichar dans le rift kenyan, plus de 600 millions de barils d'huile extractible ont été découverts. Les roches réservoirs principales dans ce bassin sont les grès de Lokone qui appartiennent à une famille plus large de grès appelés les ‘Turkana Grits', grès arkosiques en sandwich entre le socle métamorphique et les roches volcaniques du Miocène Moyen. La quantité des hydrocarbures dans les grès réservoirs de Lokone ont ainsi motivé la présente étude des ‘Turkana Grits' pour en préciser les caractéristiques en tant que réservoir potentiel d'hydrocarbures. Trois formations sédimentaires, c'est-à-dire, la Formation Kimwarer, la Formation Kamego et le grès de Loriu, qui n'ont jamais été complètement caractérisées du point de vue chronostratigraphique et sédimentologique ont été étudiées à travers des relevés détaillés. Plus de 170 échantillons ont été récoltés pour déterminer leur contenu en fraction détritique et authigène, les zones principales de cimentation des différents affleurements et, à partir d'une analyse des lithofaciès, les environnements de dépôts. Les échantillons de roches volcaniques et intrusives ont également été caractérisés et utilisés pour des datations avec la méthode 39Ar-40Ar. Trois environnements de dépôt superposés ont été déterminés pour la Formation Kimwarer : un chenal fluviatile distal, un cône d alluvial et une plaine d'inondation. L'étude diagénétique montre des changements de ciments à hématite dominante à la base, calcite dominante dans les zones intermédiaires et retour à l'hématite dominante au sommet de la formation. Les épisodes de cimentation opèrent pendant la diagénèse précoce à tardive, à basse température (<80°C), et en condition de compaction mécanique significative. Un âge minimum des dépôts d'environ 18 Ma (Miocène précoce-Burdigalien) a également été établi pour cette formation. La Formation Kamego évolue d'un environnement fluviatile à celui d'une plaine d'inondation et est principalement cimentée par de l'hématite. De la calcite est présente uniquement dans les premiers 5 m. Une coulée de lave peu épaisse interstratifiée dans les sédiments les plus jeunes de la Formation Kamego a livré un âge minimum des dépôts d'environ 20 Ma pour l'essentiel des sédiments. Le grès de Loriu est une formation principalement composée de dépôts de chenal fluviatile. Les principaux ciments sont la calcite, l'hématite et la kaolinite. Un filon intrusif suggère que l'âge minimum des dépôts est d'environ 18.5 Ma. L'analyse de réservoir finale sur les 'Turkana Grits' montre que la compaction et la cimentation sont les agents dominants de la réduction de porosité, et que les ‘Turkana Grits' sont généralement de médiocre à modérément bonnes unités réservoirs. Les grès de Lokone ont des porosités en sub-surface qui s'échelonnent entre 10 et 20 % et des perméabilités aussi élevées que 3 Darcy (Africa Oil Corporation, 2011). A partir des analyses pétrographiques, la Formation Kimwarer a été classée comme ayant la seconde place en tant que réservoir potentiel d'hydrocarbures avec des porosités aussi élevées que 20 % sur certains segments du log stratigraphique étudié. La Formation Kamego a également un bon potentiel mais n'est pas aussi bien classée à cause de la fraction importante de matériel volcanique qu'elle renferme et de la capacité de ce matériel à s'altérer au cours de la diagénèse. Les porosités sont basses dans les grès de Loriu, en conséquence cette formation n'est classée que cinquième parmi les Turkana Grits, réservoir potentiel d'hydrocarbures
Over two thirds of the world’s giant oilfields are found in two principle tectonic regimes; continental passive margins and continental rifts. The preferential formation of hydrocarbons in rifts is attributed to the proximal juxtaposition of high grade, lacustrine source rock units with medium to high grade reservoir rocks - a consequence of both faulting and sedimentation in the resulting accommodation space, which in many cases may locally modify the prevailing climatic conditions. In one of such basins, the Lokichar Basin in the Kenyan Rift, over 600 million barrels of recoverable oil have been discovered. The principle reservoir unit in this basin is the Lokone Sandstone that belongs to a larger family of sandstones called the ‘Turkana Grits’, arkosic sandstones that are sandwiched between metamorphic basement and mid-Miocene volcanics. The hydrocarbon proclivity of the Lokone Sandstones as reservoir units motivated further study of the ‘Turkana Grits’, as potential hydrocarbon reservoirs. In this work, three sedimentary formations, i.e. Kimwarer Formation, Kamego Formation and Loriu Sandstones, which have not been previously fully characterized from chronostratigraphic and sedimentological point of views were studied through detailed logging. Over 170 samples were collected to determine, detrital and authigenic components, the main cementation zones in the different outcrops, and, from lithofacies analysis, the depositional environments. Volcanic and intrusive samples were also characterized and used for 39Ar-40Ar dating. Three superposed depositional environments were determined for the Kimwarer Formation, a distal fluvial channel, an alluvial fan and a floodplain depositional environment. The diagenetic study shows cements change from dominant hematite at the base to calcite within the middle zones and back to hematite towards the top of the Formation. These cementation episodes occur during early and relatively late diagenesis in low temperature conditions (<80 °C), under significant mechanical compaction. A minimum deposition age at ca. 18 Ma (Early Miocene – Burdigalian) has also been set for the Kimwarer Formation. The Kamego Formation evolves from fluvial to floodplain depositional environments and is dominantly cemented by hematite. Calcite cement is only noted in the lowermost 5m. A thin lava flow interbedded with the topmost sediments of the Kamego Formation gave a minimum deposition age of ca. 20 Ma for most of the sediments. The Loriu Sandstone is composed predominantly of fluvial channel deposits. The main cements are calcite, hematite and kaolinite clays. A cross-cutting dyke suggests a minimum deposition age of ca. 18.5Ma. A final reservoir analysis of the Turkana Grits shows that while compaction and cementation are dominant agents of porosity reduction, the Turkana Grits are generally poor to moderately good reservoir units. The Lokone Sanstone has been proven to have sub-surface porosities ranging between 10 - 20% and permeabilities as high as 3 darcies (Africa Oil Corporation, 2011). For petrographic analyses, the Kimwarer Formation has been ranked as having the second best reservoir potential with porosities as high as 20% in some sections of its studied stratigraphy. The Kamego Formation also has good potential but is not as highly ranked owing to the huge component of volcanic material that have a greater propensity to diagenetic alteration. No good porosities were noted for the Loriu Sandstone and hence this formation has been ranked 5th amongst the Turkana Grits

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Leakey, Louise Nicol. "Body weight estimation of Bovidae and Plio-Pleistocene faunal change, Turkana Basin, Kenya". Thesis, University College London (University of London), 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.249743.

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Derbyshire, Samuel. "Trade, development and resilience : an archaeology of contemporary livelihoods in Turkana, northern Kenya". Thesis, University of Oxford, 2017. https://ora.ox.ac.uk/objects/uuid:13527b7a-0f4e-46e9-a9df-8bdd53a6ce40.

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The recent history of the Turkana of northern Kenya has rarely been explored in detail, a fact that corresponds with, and to a large extent facilitates, their regular portrayal in the popular press as passive, unchanging and therefore vulnerable in the face of ongoing and ensuing socio-economic transformations. Such visions of the Turkana and the region in which they live have, via their manifestation in the policies and practices of development-orientated interventions, actively inhibited (although never fully arrested) the fulfilment of various local desires and aspirations over the years. In addressing these topics, this thesis provides some hitherto largely unexplored and unrecognised historical context to the many socio-economic and political issues surrounding Turkana's ongoing development. It discusses interdisciplinary research which combined archaeological and ethnographic techniques and was undertaken amongst communities engaged in the most prominent livelihoods that have historically underlain the Turkana pastoral economy: fishing (akichem), cultivation (akitare), herding (akiyok) and raiding (aremor). In doing so, it draws attention to some of the ways in which these communities have actively and dynamically negotiated broad economic, environmental and political transformations over the last century and beyond, thereby providing a picture of social change and long-term continuity that might serve as a means for a more critical assessment of regional development over the coming years. By weaving together a series of historical narratives that emerge from a consideration of the changing production, use and exchange of material culture, the thesis builds an understanding of Turkana's history that diverges from more standard, implicitly accepted notions of recent change in such regions of the world that envisage globalisation purely as a process of convergence or homogenisation. Its central argument, which it demonstrates using various examples, is that seemingly disruptive transformations in daily practices, social institutions, livelihoods and systems of livelihood interaction can be envisaged as articulations of longer-term continuities, emerging from a set of durable yet open-ended dispositions within Turkana society and culture. Moreover, rather than being built on a stable, passive repertoire of cultural knowledge, the thesis shows that this capacity for change is established upon a dynamic generative process where value systems and institutions are reconfigured to the same extent as daily practices and skills, as knowledge is continually reconstituted and recast in relation to the shifting constraints and possibilities of daily life. It thus characterises this process as a form of resilience that is deeply rooted in and determinant of the Turkana pastoral economy.

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Buishi, I. E. "Epidemiology of canine echinococcosis in northwest Libya, northwest Kenya (Turkana) and mid-Wales". Thesis, University of Salford, 2004. http://usir.salford.ac.uk/26596/.

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Echinococcus granulosus is a cestode species responsible for human cystic echinococcosis (CE). The domestic dog is the primary definitive host for the transmission of E. granulosus infection to domestic livestock intermediate hosts and to humans. In order to determine the prevalence and risk factors for canine echinococcosis, epidemiological studies were conducted in known endemic localities in three different countries i.e. Libya, Kenya and Wales. Stray dogs were subject to direct examination of the small intestine at necropsy. Owned dogs (total n=1659) were screened for E. granulosus infection using a genus specific coproantigen ELISA test that was restandardised against 75 dog necropsy results, and exhibited 100% sensitivity and 98% specificity. Analysis of risk factors for canine echinococcosis associated with Echinococcus coproantigen positive results was evaluated based on dog-owner questionnaires. In Libya, the overall infection of E. granulosus in autopsied dogs was 25.8%, and an overall coproantigen prevalence of 21.6% was obtained for owned dogs (n= 334). Risk factors (p<0.05) for a coproantigen positive owned dog in Libya were, dog age (≤5 years), non-restraint of dogs, dogs fed on offal, sheepdog class, owners that did not de-worm their dogs, and dogs owned by farmers who admitted to frequent slaughter of livestock. Dog sex was not a significant risk factor for a positive coproantigen ELISA in dogs from all study areas. Worm burdens in necropsied dogs in Libya ranged from 29 to 2900 (mean 1064) and were positively correlated to coproantigen ELISA OD values (r= 0.76), but negatively associated with dog age (r= -0.64). Canine echinococcosis in Libya measured by locality varied, with Alkhums (Leptis-Magna) district having the highest coproantigen prevalence at 38.7% (p=0.001), followed by Azahwia district with 19.2%. Tripoli district had the lowest coproprevalence where 17.5% of dogs were copro-positive. In Tripoli an abattoir survey for livestock CE was also undertaken and is reported. In northern Kenya, post-mortem examination of the small intestines of 17 dogs from Turkana, revealed 29.4% harboured E. granulosus infection, with a mean worm burden of 1570 adults. Overall 26% (42/161) of Turkana dogs were copro-positive, with the highest copro-prevalence identified in dogs from Lokichoggio division. Younger dogs (≤5 years), free-roaming dogs, dogs fed on offal, and dogs of owners that practiced home slaughter of livestock and that had no knowledge about echinococcosis, appeared to have a significantly higher risk of being coproantigen positive (p<0.05). In mid-Wales a list of 321 sheep farms were selected at random, from which 1164 farm-dogs were screened using rectal faecal samples tested for Echinococcus coproantigens, and owners questioned using a modified dog-owner questionnaire. Furthermore, the potential impact of the 2001 footand- mouth disease (FMD) epidemic, on the prevalence of E. granulosus in farm dogs was assessed. An overall coproantigen positive rate of 8.0% was recorded on 22% of farms surveyed, which compared to a rate of 3.4% obtained in the same region in 1993. There was no significant difference in copro-positive prevalence between FMD affected properties and those that were unaffected. Significant risk factors for a positive farm dog in Wales were associated with allowing dogs to roam free, and infrequent deworming (>4month intervals) of dogs. The data are discussed in relation to a previous pilot hydatid control program in that area of Wales (1983-89) and the potential for increase in transmission to humans. Identification of risk factors associated with canine echinococcosis appear to be similar in all three communities studied and help to demonstrate practices that may be amenable to change as part of hydatid control programmes.

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Baraza, Masha. "State law and the (post)colony : a critical analysis through group conflicts in Turkana". Thesis, University of Warwick, 2014. http://wrap.warwick.ac.uk/62108/.

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In documented incidents alone, between January 2006 and December 2009, 900 people were killed in 534 incidents of group conflict in Turkana. On the basis of this apparent lawlessness, the central research question queries whether the apparent inability of the state law and its institutions to manage group conflicts in Turkana districts denotes a crisis of application or a crisis of substance. Is the problem merely the extension of structures of state law such as courts, prosecutors, security agents, prisons and advocates to Turkana or does the crisis speak to a more fundamental challenge. The research argues the latter, that the relationship between state law and group conflicts in Turkana demands an interrogation of the conceptual and institutional dimensions of modern state law. The thesis interrogates how state law is incorporated; an apparatus of power through which certain regulative rationalities come to reframe the terrain upon which people in Turkana live and define their lives. In order to move state law in a radically improving direction, the research argues for a reorientation of rationalities and legality. The reorientation is advanced through two corresponding techniques that allude to the structural and perspectival elements of state law. Fashioned from amongst the unfinished representations of modernity and the initial task of conceiving a (post)colonial tension between regulation and emancipation, the first task involves building on those progressive aspects of state law that enhance its political legitimacy. The second requires the adoption of a transgressive mode of thinking described as 'knowledge-as-emancipation'. On the basis of these two prescriptions, state law can develop a more purposeful and emancipatory purpose within the conflict context of Turkana in particular, and Kenya in general.

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Libros sobre el tema "Turkana"

Turkana. New York: Rosen Pub. Group, 1996.

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Ifemesia, C. C. Turkana. New York: Rosen Pub. Group, 1995.

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Pavitt, Nigel. Turkana. London: Harvill Press, 1997.

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Beauchemin, Jean-François. Turkana boy. Montréal, Québec: Québec Amérique, 2004.

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Anthony, Barrett. English-Turkana dictionary. Nairobi: Macmillan Kenya, 1988.

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Barrett, Anthony J. Turkana - English dictionary. London: Macmillan Education, 1990.

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Anthony, Barrett. Turkana-English dictionary. London: Macmillan, 1990.

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Jagt, Krijn Adriaan van der. Symbolic structures in Turkana religion. Assen, The Netherlands: Van Gorcum, 1989.

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Schultz, Ulrike. Wir wollen Turkana-Frauen bleiben. Münster: LIT Verlag, 1994.

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Ros, Achille Da. Noi, i Turkana: Un saggio. Bologna: Editrice missionaria italiana, 1994.

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Capítulos de libros sobre el tema "Turkana"

Enos, Anya Dozier. "Turkana Indigenous Knowledge". En Indigenous Innovation, 107–27. Rotterdam: SensePublishers, 2015. http://dx.doi.org/10.1007/978-94-6300-226-4_7.

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Wickler, Wolfgang. "Am Turkana-See". En Wissenschaft auf Safari, 259–73. Berlin, Heidelberg: Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-49958-0_26.

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Carr, Claudia J. "Turkana Survival Systems at Lake Turkana: Vulnerability to Collapse". En River Basin Development and Human Rights in Eastern Africa — A Policy Crossroads, 157–89. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-28480-4_9.

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Carr, Claudia J. "Turkana Survival Systems at Lake Turkana: Vulnerability to Collapse from Omo Basin Development". En River Basin Development and Human Rights in Eastern Africa — A Policy Crossroads, 157–89. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-50469-8_9.

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Dimmendaal, Gerrit J. "11. Prominence Hierarchies and Turkana Syntax". En Publications in African Languages and Linguistics, editado por Gerrit J. Dimmendahl, 127–48. Berlin, Boston: De Gruyter, 1986. http://dx.doi.org/10.1515/9783110883350-012.

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Cullis, Adrian y Arnold Pacey. "3. The pastoral economy and Turkana institutions". En Development Dialogue, 36–55. Rugby, Warwickshire, United Kingdom: Practical Action Publishing, 1992. http://dx.doi.org/10.3362/9781780442006.003.

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Ojwang, W. O., K. O. Obiero, O. O. Donde, N. Gownaris, E. K. Pikitch, R. Omondi, S. Agembe, J. Malala y S. T. Avery. "Lake Turkana: World’s Largest Permanent Desert Lake (Kenya)". En The Wetland Book, 1–20. Dordrecht: Springer Netherlands, 2016. http://dx.doi.org/10.1007/978-94-007-6173-5_254-1.

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Ojwang, W. O., K. O. Obiero, O. O. Donde, N. Gownaris, E. K. Pikitch, R. Omondi, S. Agembe, J. Malala y S. T. Avery. "Lake Turkana: World’s Largest Permanent Desert Lake (Kenya)". En The Wetland Book, 1–20. Dordrecht: Springer Netherlands, 2017. http://dx.doi.org/10.1007/978-94-007-6173-5_254-2.

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Ojwang, William, Kevin O. Obiero, Oscar O. Donde, Natasha J. Gownaris, Ellen K. Pikitch, Reuben Omondi, Simon Agembe, John Malala y Sean T. Avery. "Lake Turkana: World’s Largest Permanent Desert Lake (Kenya)". En The Wetland Book, 1361–80. Dordrecht: Springer Netherlands, 2018. http://dx.doi.org/10.1007/978-94-007-4001-3_254.

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Johnson, Thomas C. y John O. Malala. "Lake Turkana and Its Link to the Nile". En The Nile, 287–304. Dordrecht: Springer Netherlands, 2009. http://dx.doi.org/10.1007/978-1-4020-9726-3_15.

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Actas de conferencias sobre el tema "Turkana"

Raynolds, Robert G. "MAPPING TURKANA: TOOLS TO HELP US ALL". En GSA Annual Meeting in Denver, Colorado, USA - 2016. Geological Society of America, 2016. http://dx.doi.org/10.1130/abs/2016am-281820.

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Witte, Jan, Daniel Trümpy y Hans Georg Babies. "The Role of Neo-Tectonics in Oil Migration, Lake Turkana Region, Kenya". En SPE/AAPG Africa Energy and Technology Conference. SPE, 2016. http://dx.doi.org/10.2118/afrc-2574239-ms.

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ABSTRACT Numerous oil seeps have been documented in the Turkana Basin, western Kenya. However, no commercial oil has been found here to date. Recently discovered substantial oil fields in the nearby Lokichar Basin indicate that oil migration can be complex in these rift basins and may pose an exploration risk. We present a new fault and lineament map of the Turkana-Lokichar Basins, integrated with present-day stress data, oil seeps and known prospects. Digital terrain data, satellite images, geological maps, seep and gravity data were integrated into a GIS-database, to superimpose the data and to test it for spatial correlations. Digital terrain data, satellite images, gravity and structural maps were used to conduct detailed mapping of the fault and lineament network. The seep and prospect maps are based on the integration of different public data sources. Four main fault sets are recognized in the basin (~N-S, W-E, NW-SE and SW-NE). Careful analysis of topographic data along both shores of Lake Turkana reveals numerous fault scarps, indicative of recent tectonic activity (particularly the N-S and NW-SE set). The area is presently under NW-SE oriented extension, implying that most of the rift-parallel N-S faults are under oblique dextral transtension. The majority of the documented oil seeps and slicks are found to be associated with rift-parallel faults but also occasionally with the W-E trending set. Recently published neo-tectonic and isostatic uplift data indicate that the highest level of recent fault activity is presently found close to the rift axis and dominantly on the rift-parallel fault sets. We conclude that ~N-S and W-E oriented faults are the most conductive pathways for hydrocarbons in this region under the present-day stress field (and likely throughout the Mio-Pliocene). We further observe that several prospects of the NW-SE trend have seepages associated with them, which could be indicative of breached traps, especially close to the rift axis where faults are most active. Our assessment should help to better understand migration pathways and exploration risks in the Turkana Basin. We encourage explorers to carefully map fault networks, investigate active fault scarps, age-date them where possible, test them for spatial correlation with oil seeps and evaluate them within the context of the present-day stress field. In consequence these workflows will help mitigate exploration risks in the Turkana-Lokichar Basins and similar tectonic settings.

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Alexander, Emily, Catherine C. Beck, Craig S. Feibel, Chad L. Yost, Bruce Wegter, Lucas Mangold, Andrew Cohen y Christopher J. Campisano. "GRAIN SIZE ANALYSIS OF THE WEST TURKANA KAITIO (WTK13) CORE AND IMPLICATIONS FOR PALEOENVIRONMENTS IN THE TURKANA BASIN 1.8 TO 1.3 MA". En GSA Annual Meeting in Indianapolis, Indiana, USA - 2018. Geological Society of America, 2018. http://dx.doi.org/10.1130/abs/2018am-318651.

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Nutz, Alexis, Mathieu Schuster, Doris Barboni, Ghislain Gassier, Bert Van Bocxlaer, Cécile Robin, Théa Ragon, Jean-François Ghienne y Jean-Loup Rubino. "PLIO-PLEISTOCENE PALEOENVIRONMENTS IN WEST TURKANA (EAST AFRICAN RIFT SYSTEM, KENYA)". En GSA 2020 Connects Online. Geological Society of America, 2020. http://dx.doi.org/10.1130/abs/2020am-351278.

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Allen, Mary Margaret, Catherine C. Beck, Mary Langworthy, Craig S. Feibel y Emily J. Beverly. "PALEOENVIRONMENTAL RECONSTRUCTION OF THE HOLOCENE GALANA BOI FORMATION AT KABUA GORGE, TURKANA BASIN, KENYA". En GSA Annual Meeting in Denver, Colorado, USA - 2016. Geological Society of America, 2016. http://dx.doi.org/10.1130/abs/2016am-284677.

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Ng, Wai-Tim, Markus Immitzer, Matthias Floriansitz, Francesco Vuolo, Luigi Luminari, Chrisgone Adede, Raphael Wahome y Clement Atzberger. "Mapping Prosopis spp. within the Tarach water basin, Turkana, Kenya using Sentinel-2 imagery". En SPIE Remote Sensing, editado por Christopher M. U. Neale y Antonino Maltese. SPIE, 2016. http://dx.doi.org/10.1117/12.2241279.

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Biernat, Maryse Dominique, David R. Braun, David Patterson y Kaye E. Reed. "INTRA-BASINAL HETEROGENEITY OF TERRESTRIAL ECOSYSTEMS IN THE TURKANA BASIN IN THE EARLY PLEISTOCENE". En GSA Annual Meeting in Phoenix, Arizona, USA - 2019. Geological Society of America, 2019. http://dx.doi.org/10.1130/abs/2019am-338198.

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Mana, Sara, Merry Yue Cai, Catherine C. Beck y Steven L. Goldstein. "TECTONOMAGMATIC EVOLUTION OF THE EAST AFRICAN RIFT SYSTEM AS DOCUMENTED IN WEST TURKANA, KENYA". En GSA Annual Meeting in Seattle, Washington, USA - 2017. Geological Society of America, 2017. http://dx.doi.org/10.1130/abs/2017am-303194.

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Beck, Catherine C., Mary Langworthy, Craig S. Feibel, Emily J. Beverly y Julianna S. Horgan. "LOWER MIOCENE PALEOENVIRONMENT AND PALEOCLIMATE AS RECORDED BY THE LOCHERANGAN FORMATION, TURKANA BASIN, KENYA". En GSA Annual Meeting in Seattle, Washington, USA - 2017. Geological Society of America, 2017. http://dx.doi.org/10.1130/abs/2017am-306999.

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Kamol, CO, DN Akunga y P. Warutere. "1146 Occupational physical injuries among workers in onshore oil drilling operations in turkana county, kenya". En 32nd Triennial Congress of the International Commission on Occupational Health (ICOH), Dublin, Ireland, 29th April to 4th May 2018. BMJ Publishing Group Ltd, 2018. http://dx.doi.org/10.1136/oemed-2018-icohabstracts.834.

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Informes sobre el tema "Turkana"

Novichkova, Tatiana. Lake Turkana. Editado por Nikolay Komedchikov. Entsiklopediya, enero de 2012. http://dx.doi.org/10.15356/dm2015-12-02-7.

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Nicol, A., L. Debevec y S. Oken. Chasing the water: the political economy of water management and catchment development in the Karamoja-Turkana Complex (KTC), Uganda. International Water Management Institute (IWMI), 2021. http://dx.doi.org/10.5337/2021.214.

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