Log in

Relevant bibliographies by topics / Quaternary climate change / Dissertations / Theses

To see the other types of publications on this topic, follow the link: Quaternary climate change.

Dissertations / Theses on the topic 'Quaternary climate change'

Author: Grafiati

Published: 4 June 2021

Last updated: 6 February 2022

Create a spot-on reference in APA, MLA, Chicago, Harvard, and other styles

Select a source type:

Consult the top 50 dissertations / theses for your research on the topic 'Quaternary climate change.'

Next to every source in the list of references, there is an 'Add to bibliography' button. Press on it, and we will generate automatically the bibliographic reference to the chosen work in the citation style you need: APA, MLA, Harvard, Chicago, Vancouver, etc.

You can also download the full text of the academic publication as pdf and read online its abstract whenever available in the metadata.

Browse dissertations / theses on a wide variety of disciplines and organise your bibliography correctly.

1

Chevalier, Manuel. "Quantified Reconstructions of late Quaternary southern African Climate Change." Thesis, Montpellier, 2015. http://www.theses.fr/2015MONTS281.

Full text

Abstract:

Pas de résumé en français<br>Southern African drylands are not suited for the application of climate reconstruction methods based on surface samples. Methods based on the co-existence approach, while still in their early days, are really promising, particularly those using probability density functions (pdfs) that have proven particularly valuable in certain cases as they can be applied to a wide range of plants assemblages. Most commonly applied to fossil pollen data, their performance can be limited by the taxonomic resolution of the pollen data, as many species may belong to a given pollen-

APA, Harvard, Vancouver, ISO, and other styles

2

余耀良 and Yiu-leung Yieu. "OSL dating of sediment and climate change of late quaternary." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2013. http://hdl.handle.net/10722/192989.

Full text

Abstract:

The objective of this project is to apply the Optical Stimulated Luminescence (OSL) technique to date the palaeo sediment from Mu Us Desert, part of the Inner Mongolia in northern China and reconstruct the palaeo environment. Five OSL samples were collected from Dagouwan, Salawusu River Valley at Inner Mongolia by Dr S. H. Li and his team in 2009. Extraction of 150μm to 180μm silt-size feldspar from collected dune sand, lacustrine facies and fluvial facies samples and running of luminescence dating therefore to obtain the age from 50ka to 90ka. Climate proxies - magnetic susceptibility, grain

APA, Harvard, Vancouver, ISO, and other styles

3

Bostonalieva, Zhyldyz Kubatalievna [Verfasser]. "Late Quaternary Climate Change in Western Eurasia : A spatio-temporal review of climate proxies / Zhyldyz Kubatalievna Bostonalieva." Berlin : Freie Universität Berlin, 2015. http://d-nb.info/1068209399/34.

Full text

APA, Harvard, Vancouver, ISO, and other styles

4

Bergner, Andreas G. N. "Lake-level fluctuations and Late Quaternary climate change in the Central Kenya Rift." Phd thesis, Universität Potsdam, 2003. http://opus.kobv.de/ubp/volltexte/2005/107/.

Full text

Abstract:

Diese Arbeit beschäftigt sich mit der Rekonstruktion von Klima in historischen Zeiten im tropischen Ostafrika. Nach einer Übersicht über die heutigen klimatischen Bedingungen der Tropen und den Besonderheiten des ostafrikanischen Klimas, werden die Möglichkeiten der Klimarekonstruktion anhand von Seesedimenten diskutiert. Es zeigt sich, dass die hoch gelegenen Seen des Zentralen Keniarifts, als Teil des Ostafrikanischen Grabensystems, besonders geeignete Klimaarchive darstellen, da sie sensibel auf klimatische Veränderungen reagieren. Veränderungen der Seechemie, wie sie in den Sedimenten aufg

APA, Harvard, Vancouver, ISO, and other styles

5

Kronborg, Pelle. "Identifying Quaternary Climate Change with XRF Analysis on Loess From South-Western England." Thesis, Uppsala universitet, Institutionen för geovetenskaper, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-412179.

Full text

Abstract:

Huge changes in climate occurred at the end of the last Quaternary glaciation. The end of this glaciation corresponds with the end of Pleistocene with its repeated glacial cycles and the start of the current geological epoch, the Holocene interglacial. The climate at this time was characterized by increasing temperatures and an increase in rainfall. This project focuses on understanding and examining these changes in climate using loess deposits from south-western England. Loess is an aeolian sediment and covers around 10 % of the Earth’s land surface and these deposits are excellent archives

APA, Harvard, Vancouver, ISO, and other styles

6

Walker, Angela Jane. "Rhyolite volcanism at Öræfajökull volcano, S.E. Iceland : a window on Quaternary climate change." Thesis, University of Manchester, 2012. https://www.research.manchester.ac.uk/portal/en/theses/rhyolite-volcanism-at-oraefajokull-volcano-se-iceland--a-window-on-quaternary-climate-change(c00888e4-53a6-4fd0-ad54-110be2a42952).html.

Full text

Abstract:

Öræfajökull is an ice-capped stratovolcano situated in the south east of Iceland which has developed throughout the mid to late Quaternary. It has erupted basaltic and rhyolitic lavas during interglacial and glacial periods, many of which display strong physical evidence of volcano-ice interaction. This makes Öræfajökull an ideal location to reconstruct terrestrial palaeo-environments. The area of Goðafjall and Hrútsfjall is one of a small number of rhyolitic depositional centres situated on the south west flanks of the volcano and is the first rhyolitic area of Öræfajökull to be mapped in det

APA, Harvard, Vancouver, ISO, and other styles

7

McGarry, Siobhan Frances. "Multi-proxy Quaternary palaeoenvironmental records from speleothem pollen and organic acid fluorescence." Thesis, University of Exeter, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.341161.

Full text

APA, Harvard, Vancouver, ISO, and other styles

8

Higginson, Matthew James. "Chlorin pigment stratigraphy as a new and rapid palaeoceanographic proxy in the quaternary." Thesis, University of Bristol, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.310592.

Full text

APA, Harvard, Vancouver, ISO, and other styles

9

DeJong, Benjamin D. "Effects of Quaternary Climate Change on Tributary Sedimentation and Geomorphology in Eastern Grand Canyon." DigitalCommons@USU, 2007. https://digitalcommons.usu.edu/etd/6752.

Full text

Abstract:

Climate variability has had a dramatic impact on eastern Grand Canyon tributaries over the past -100 ky. This is readily observed in the Lava Chuar and Comanche catchments, which host well preserved colluvial remnants and river terraces that resulted from several climate-induced cycles of aggradation and incision. This study investigates these climate responses using surveying, sedimentology, and luminescence geochronology methods to investigate the mechanisms and timing of their deposition. The survey data demonstrate that the concavity of terrace treads is lower than modern drainages. The se

APA, Harvard, Vancouver, ISO, and other styles

10

Candy, Ian. "Quaternary climate change and landform development in southeast Spain : U-series dating of calcretes." Thesis, University of Reading, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.414519.

Full text

APA, Harvard, Vancouver, ISO, and other styles

11

Pugh, Jeremy Mark. "The late Quaternary environmental history of the Lake Heron basin, Mid Canterbury, New Zealand." Thesis, University of Canterbury. Geological Sciences, 2008. http://hdl.handle.net/10092/1766.

Full text

Abstract:

The Lake Heron basin is an intermontane basin located approximately 30 kms west of Mount Hutt. Sediments within the basin are derived from a glacier that passed through the Lake Stream Valley from the upper Rakaia Valley. The lack of major drainage in the south part of the basin has increased the preservation potential of glacial phenomena. The area provides opportunities for detailed glacial geomorphology, sedimentology and micropaleontogical work, from which a very high-resolution study on climate change spanning the Last Glacial Maximum (LGM) through to the present was able to be reconstruc

APA, Harvard, Vancouver, ISO, and other styles

12

O'Connor, Peter W. "Aeolian activity and environmental change in the Central Mega Kalahari : implications for the timing, nature and causes of late Quaternary aridity." Thesis, University of Sheffield, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.284355.

Full text

APA, Harvard, Vancouver, ISO, and other styles

13

Sbrocco, Elizabeth Jones. "A seascape genetics approach to exploring the phylogeographic response of marine fishes to late Quaternary climate change." Thesis, Boston University, 2012. https://hdl.handle.net/2144/32056.

Full text

Abstract:

Thesis (Ph.D.)--Boston University<br>PLEASE NOTE: Boston University Libraries did not receive an Authorization To Manage form for this thesis or dissertation. It is therefore not openly accessible, though it may be available by request. If you are the author or principal advisor of this work and would like to request open access for it, please contact us at open-help@bu.edu. Thank you.<br>Whether a species will flourish or face extinction under a new climate regime is largely determined by its dispersal ability, its adaptive capacity or some combination of these processes. These processes have

APA, Harvard, Vancouver, ISO, and other styles

14

Ivory, Sarah Jean. "Vegetation and Climate of the African Tropics for the Last 500,000 Years." Diss., The University of Arizona, 2013. http://hdl.handle.net/10150/293752.

Full text

Abstract:

In the last few decades, we have been witness to unprecedented changes in precipitation and temperature. Such alterations to our climate system have important implications for terrestrial ecosystems that billions of people depend on for their livelihood. The situation is especially tenuous for those living directly off the landscape via resources from natural ecosystems or subsistence agriculture as in much of tropical Africa. Studies of past climates provide potential analogues and help validate models essential for elucidating mechanisms that link changes in climate mean and variability a

APA, Harvard, Vancouver, ISO, and other styles

15

Dabat, Pivotto Isabelle. "Etude comparative des octocoralliaires méditerranéens : de la phylogéographie aux processus adaptatifs." Thesis, Aix-Marseille, 2014. http://www.theses.fr/2014AIXM4082.

Full text

Abstract:

Ma thèse s'inscrit dans le cadre de l'étude de l'impact des changements environnementaux sur la biodiversité marine, à une échelle intra-spécifique et inter-spécifique. Les modèles choisis sont des Octocoralliaires méditerranéens (corail rouge; Corallium rubrum, et gorgones Paramuricea clavata et Eunicella cavolini). Mieux comprendre les conséquences génétiques des fluctuations passées sur les organismes permet d'appréhender les conséquences génétiques à venir des changements environnementaux en cours. Durant ma thèse, nous avons donc étudié par une approche de phylogéographie comparée l'évolu

APA, Harvard, Vancouver, ISO, and other styles

16

Heroy, David Carlson. "Sand- and Clay-Size Mineralogy of the Ganges and Brahmaputra Rivers: Records of River Switching and Late-Quaternary Climate Change." W&M ScholarWorks, 2000. https://scholarworks.wm.edu/etd/1539617766.

Full text

APA, Harvard, Vancouver, ISO, and other styles

17

Burge, Philip Ian. "A Record of Environmental and Climatic Change from the West Coast, South Island, New Zealand, using Beetle Fossils." Thesis, University of Canterbury. Geological Sciences, 2007. http://hdl.handle.net/10092/1381.

Full text

Abstract:

Fossil beetle based palaeoclimatic and palaeoenvironmental reconstructions are presented from the Westport region, West Coast, South Island, New Zealand for the last glacial cycle. They include the longest continuous fossil beetle record from New Zealand, covering 16,000 years over the OIS 3/OIS 2 transition. Early last glacial (OIS 4) and mid- Holocene (OIS 1) reconstructions are also presented. The assumptions underlying fossil beetle research in New Zealand are tested indicating beetles are suitable proxies for reconstructing palaeotemperature and palaeoprecipitation. This thesis provides t

APA, Harvard, Vancouver, ISO, and other styles

18

Piva, Andrea <1978&gt. "High-resolution stratigraphy of Central and Southern Adriatic Quaternary deposits of sub-Milankovian climate change on Mediterranean circulation." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2007. http://amsdottorato.unibo.it/456/.

Full text

Abstract:

This volume is a collection of the work done in a three years-lasting PhD, focused in the analysis of Central and Southern Adriatic marine sediments, deriving from the collection of a borehole and many cores, achieved thanks to the good seismic-stratigraphic knowledge of the study area. The work was made out within European projects EC-EURODELTA (coordinated by Fabio Trincardi, ISMAR-CNR), EC-EUROSTRATAFORM (coordinated by Phil P. E. Weaver, NOC, UK), and PROMESS1 (coordinated by Serge Bernè, IFREMER, France). The analysed sedimentary successions presented highly expanded stratigraphic interv

APA, Harvard, Vancouver, ISO, and other styles

19

Hughes, Matthew William. "Late Quaternary Landscape Evolution and Environmental Change in Charwell Basin, South Island, New Zealand." Phd thesis, Lincoln University. Agriculture and Life Sciences Division, 2008. http://theses.lincoln.ac.nz/public/adt-NZLIU20080214.132530/.

Full text

Abstract:

Charwell Basin is a 6 km-wide structural depression situated at the boundary between the axial ranges and faulted and folded Marlborough Fault Zone of north-eastern South Island, New Zealand. The basin contains the piedmont reach of the Charwell River, and a series of late Quaternary loess-mantled alluvial terraces and terrace remnants that have been uplifted and translocated from their sediment source due to strike-slip motion along the Hope Fault which bounds the basin to its immediate north. The aim of this study was to provide an interdisciplinary, integrated and holistic analysis of late

APA, Harvard, Vancouver, ISO, and other styles

20

Thompson, Warren. "Late Quaternary fluvial system response to climatic change over the past 200ka on Mallorca, Illes Balears." Thesis, University of Derby, 2017. http://hdl.handle.net/10545/622714.

Full text

Abstract:

Outcrops of late Quaternary deposits along the north–east coast of Mallorca were examined, and a high resolution chronological framework established using optically stimulated luminescence of quartz and feldspar grains. Coastal sections at Es Barrancar and Cala Mata record a complex succession of alluvial fan deposition with a minor aeolian component, mainly deposited during the last two glacial cycles. For the last ~200ka different orbital configurations appear to have produced a series of subtly different climatic scenarios that resulted in great variations in the regional availability of mo

APA, Harvard, Vancouver, ISO, and other styles

21

Enayat, Misha. "20,000 14C Years of Climate and Environmental Change in Europe : A Coleopteran-based Reconstruction with an Anthropocenic Focus." Thesis, Umeå universitet, Miljöarkeologiska laboratoriet, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-106655.

Full text

Abstract:

This thesis builds on the work of previous coleopteran-based climatic reconstructions to recreate the environment and climate of the last 20,000 14C years of northwest Europe using the data and methods available within the Bugs Coleopteran Ecology Package, and aims to assess the ability of the BugsCEP results to provide information regarding events and anthropogenic changes on environment during the Anthropocene. Samples and data from 134 sites across northwest Europe and the British Isles were included in this study. The Mutual Climatic Range method and the BugStats module based on habitat co

APA, Harvard, Vancouver, ISO, and other styles

22

Kouns, Carolina, and Yael Margulis. "Rock-magnetic and Soil Organic Carbon Proxies of Climate Change from Loess – Aeolian Sediments of Brittany, France." Thesis, Uppsala universitet, Institutionen för geovetenskaper, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-445688.

Full text

Abstract:

The aeolian sediment loess, which consists of mineral dust, is one of the most detailed terrestrial record of both global and regional climate changes. As climate changes in the past cover a much wider range of climate variability than humans have directly recorded, the soil memory of loess is vital for understanding the Earth’s climate system. By examining past climate records and analyzing past climate changes and factors that have instigated changes, inferences regarding future climate can be made. Therefore, the aim of this research was to define the specific depositional and post-depositi

APA, Harvard, Vancouver, ISO, and other styles

23

Hughes, Matthew W. "Late Quaternary landscape evolution and environmental change in Charwell Basin, South Island, New Zealand." Lincoln University, 2008. http://hdl.handle.net/10182/305.

Full text

Abstract:

Charwell Basin is a 6 km-wide structural depression situated at the boundary between the axial ranges and faulted and folded Marlborough Fault Zone of north-eastern South Island, New Zealand. The basin contains the piedmont reach of the Charwell River, and a series of late Quaternary loess-mantled alluvial terraces and terrace remnants that have been uplifted and translocated from their sediment source due to strike-slip motion along the Hope Fault which bounds the basin to its immediate north. The aim of this study was to provide an interdisciplinary, integrated and holistic analysis of late

APA, Harvard, Vancouver, ISO, and other styles

24

Zhang, Jingran [Verfasser]. "Responses of late Quaternary sediments to climate change : Luminescence dating of coastal, lacustrine and aeolian deposits from northern China and Germany / Jingran Zhang." Berlin : Freie Universität Berlin, 2016. http://d-nb.info/110219705X/34.

Full text

APA, Harvard, Vancouver, ISO, and other styles

25

Winer, Emily R. "Interpretation and Climatic Significance of Late Quaternary Valley-fill Deposits in Wadi Hasa, West-Central Jordan." Miami University / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=miami1272313345.

Full text

APA, Harvard, Vancouver, ISO, and other styles

26

Zhang, Jingran [Verfasser]. "Responses of regional sedimentary archives to Late Quaternary climate change : Luminescence dating of coastal, lacustrine and aeolian deposits from northern China and Germany / Jingran Zhang." Berlin : Freie Universität Berlin, 2016. http://d-nb.info/1112476091/34.

Full text

APA, Harvard, Vancouver, ISO, and other styles

27

Murad, Waheed [Verfasser], Frank [Akademischer Betreuer] Schlütz, Hermann [Akademischer Betreuer] Behling, and Markus [Akademischer Betreuer] Hauck. "Late Quaternary Vegetation History And Climate Change In The Gobi Desert, South Mongolia / Waheed Murad. Gutachter: Hermann Behling ; Markus Hauck ; Frank Schlütz. Betreuer: Frank Schlütz." Göttingen : Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2012. http://d-nb.info/1043029214/34.

Full text

APA, Harvard, Vancouver, ISO, and other styles

28

Norström, Elin. "Late Quaternary climate and environmental change in the summer rainfall region of South Africa : a study using trees and wetland peat cores as natural archives /." Stockholm : Department of Physical Geography and Quaternary Geology, Stockholm university, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-7375.

Full text

APA, Harvard, Vancouver, ISO, and other styles

29

Balch, Deborah P. "Quaternary Ostracode Paleoecology and Its Link to Climate Change in the Bonneville Basin: A Detailed Study of the Glad800 Core GSL00-4, Great Salt Lake, Utah." Thesis, The University of Arizona, 2003. http://hdl.handle.net/10150/249251.

Full text

Abstract:

We report the results of a detailed paleoecological study of the Bonneville Basin covering the last ~240,000 years. Our study used fossil ostracodes and a sedimentological record obtained from the August 2000 GLAD800 drilling operation at the Great Salt Lake. We analyzed 125 samples, taken at ~1 meter intervals from core GSL00-4, for ostracodes and other paleoecologic and sedimentological indicators of environmental change. Multivariate analyses applied to the ostracode data indicate an alternation between three major environments at the core site over the cored interval. The environments fluc

APA, Harvard, Vancouver, ISO, and other styles

30

Koutsouris, Alexander. "Data resolution effects onwater resource planning andmanagement : The Kisumu – Lake Victoria region study." Thesis, Stockholm University, Department of Physical Geography and Quaternary Geology, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-36565.

Full text

Abstract:

<p>In the Kisumu District, Kenya, unreliable rainfall pattern has been identified as one of the main causes for poverty in rural areas. The negative effects of such unreliable patterns could be mitigated through improved water resource management and planning. However, estimates of current (and future) water availability will likely differ depending on whether managers draw upon data gathered at a local-scale or regional-scale. This is particularly important in developing regions where, due to lack of data availability, managers are often limited in their choice of data resolution. This study

APA, Harvard, Vancouver, ISO, and other styles

31

Yue, Yuanfu. "Végétation, climat et changement du niveau marin durant le quaternaire récent dans la province de Fuzhuo, sud-est de la Chine." Thesis, Montpellier 2, 2012. http://www.theses.fr/2012MON20185.

Full text

Abstract:

RésuméUne série de sondages continentaux (FZ4, FZ5, et SZY) ont été collectés dans la plaine de Fuzhou et dans la montagne de Ningde. Les trois enregistrements ont permis de reconstituer et ainsi de comprendre l'évolution de la végétation ainsi que d'évaluer l'impact de la mousson est-asiatique et les changements du niveau marin sur les environnements du quaternaire récent. Ma thèse donne un aperçu de la végétation passée et des changements paléoclimatiques au cours des 50000 dernières années. Pour les derniers millénaires je me suis aussi intéressé aux activités humaines préhistoriques et leu

APA, Harvard, Vancouver, ISO, and other styles

32

Marden, Christopher J. "Late Quaternary glacial history of the South Patagonian icefield at Torres del Paine, Chile." Thesis, University of Aberdeen, 1993. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=128187.

Full text

Abstract:

The principal aim of the thesis is to determine the Late Quaternary glacial history of the South Patagonian Icefield at Torres del Paine (51°S, 73°W), Chile. The secondary aim is to compare this glacial history with palaeoclimatic records from elsewhere to test the theory that climate change over the last glacial-interglacial cycle was synchronous between the two polar hemispheres. Synchronous climate change cannot be explained as an atmospheric response to insolation changes unless fundamental ocean-atmosphere reorganisations occurred (Broecker and Denton, 1990). Empirical glacial-geologic da

APA, Harvard, Vancouver, ISO, and other styles

33

Rich, Julie. "Landscape response to late Quaternary climatic change on the Southern High Plains, USA." Thesis, University of Oxford, 2003. http://ora.ox.ac.uk/objects/uuid:bb12bdee-0ab1-4a02-8847-aa7b1cbc8c69.

Full text

Abstract:

Long-term palaeo-climatic conditions have primarily been interpreted from ocean marine sediments and ice cores. Few middle and low latitude continental records exist that provide insight into continental response to climate change over time. This research offers new chronologies on a variety of low latitude continental deposits from the Southern High Plains, and demonstrates their importance as palaeo-environmental archives. These chronologies extend the existing Southern High Plains palaeo-environmental record from the historic period to the late-middle Pleistocene, and provide an important b

APA, Harvard, Vancouver, ISO, and other styles

34

Oliveira, Paulo Eduardo De. "A palynological record of Late Quaternary vegetational and climatic change in southeastern Brazil /." The Ohio State University, 1992. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487779914825271.

Full text

APA, Harvard, Vancouver, ISO, and other styles

35

Campos, Marília de Carvalho. "Variabilidade milenar da Corrente do Brasil e do clima da América do Sul durante o último período glacial." Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/100/100136/tde-27072016-113954/.

Full text

Abstract:

A Corrente do Brasil (CB) representa o ramo sul da bifurcação da Corrente Sul Equatorial que interage com a margem continental sudeste do Brasil. A temperatura da superfície do mar na região da CB exerce um importante papel no controle da intensidade e posição da Zona de Convergência do Atlântico Sul, um dos principais componentes do Sistema de Monção da América do Sul (SMAS). Tal sistema atmosférico é responsável pela precipitação de verão em grande parte do continente sul-americano, sendo, portanto, uma feição natural de grande importância para o contexto político-econômico nacional e intern

APA, Harvard, Vancouver, ISO, and other styles

36

Al-Omari, Saʹad. "A speleothem-based investigation of Late Quaternary climatic and environmental change in the central Zagros Mountains (Iran)." Thesis, University of Cambridge, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.614922.

Full text

APA, Harvard, Vancouver, ISO, and other styles

37

Thorpe, Joanna Lucy. "Records of late Quaternary climatic change from Tswaing crater lake, South Africa, and the Central Kenyan Rift." Thesis, University College London (University of London), 2006. http://discovery.ucl.ac.uk/1445898/.

Full text

Abstract:

The relative influence of precessionally-driven changes in direct insolation and changes in boundary conditions associated with glacial-interglacial cycles on climatic conditions at low latitudes remains uncertain. This thesis presents records of late Quaternary climatic change from Tswaing crater lake in South Africa and from the Naivasha and Nakuru-Elmenteita basins in the Central Kenya Rift, with the aim of increasing our understanding of the nature and causes of climatic change at low latitudes in Africa. The sedimentary sequence from Tswaing crater lake provides some of the longest terres

APA, Harvard, Vancouver, ISO, and other styles

38

Bookhagen, Bodo. "Late quaternary climate changes and landscape evolution in the Northwest Himalaya geomorphologic processes in the Indian summer monsoon domain /." Phd thesis, [S.l. : s.n.], 2004. http://deposit.ddb.de/cgi-bin/dokserv?idn=974115487.

Full text

APA, Harvard, Vancouver, ISO, and other styles

39

Meckler, Anna Nele. "Late quaternary changes in nitrogen fixation and climate variability recorded by sediments from the Gulf of Mexico and the Caribbean Sea /." Zürich : ETH, 2006. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=16811.

Full text

APA, Harvard, Vancouver, ISO, and other styles

40

Yamamoto, Masaya. "Evolutionary history and conservation genetics of Primula sect. Reinii (Primulaceae), an endangered endemic primrose group in Japan." Kyoto University, 2018. http://hdl.handle.net/2433/232378.

Full text

Abstract:

Kyoto University (京都大学)<br>0048<br>新制・課程博士<br>博士(人間・環境学)<br>甲第21177号<br>人博第849号<br>新制||人||203(附属図書館)<br>29||人博||849(吉田南総合図書館)<br>京都大学大学院人間・環境学研究科相関環境学専攻<br>(主査)教授瀬戸口浩彰, 教授加藤眞, 教授市岡孝朗<br>学位規則第4条第1項該当

APA, Harvard, Vancouver, ISO, and other styles

41

Duhamel, Maxence. "Restitution des changements de l’hydrologie des masses d’eaux intermédiaires et profondes de la Méditerranée au cours des derniers 145 ka à partir de la mesure de la composition isotopique du Nd de foraminifères Variations in eastern Mediterranean hydrology during the last climatic cycle as inferred from neodymium isotopes in foraminifera Changes in the intermediate water masses of the Mediterranean Sea during the last climatic cycle - new constraints from neodymium isotopes in foraminifera." Thesis, université Paris-Saclay, 2020. http://www.theses.fr/2020UPASS120.

Full text

Abstract:

Cette thèse vise à faire progresser notre connaissance de l’hydrologie des masses d’eaux intermédiaires et profondes de la Méditerranée au cours du dernier cycle climatique (derniers 145 ka), et de contraindre les modèles de circulation océanique ayant permis les dépôts de niveaux riches en matière organique (ORL et sapropèles). La composition isotopique en Nd (εNd) d’échantillons de foraminifères de carottes localisées à des bathymétries intermédiaires et profondes de la mer Tyrrhénienne, de l’Adriatique, de la mer Ionienne et du bassin Levantin ont été analysées. Ce travail a permis de mettr

APA, Harvard, Vancouver, ISO, and other styles

42

Cañellas, Boltà Núria. "Dinàmica de la vegetació en relació amb els canvis climàtics, els processos geològics i l'impacte humà a l'illa de Pasqua des del Glacial tardà. Estudi paleoecològic dels sediments del llac Rano Raraku." Doctoral thesis, Universitat de Barcelona, 2014. http://hdl.handle.net/10803/145926.

Full text

Abstract:

Aquesta tesi doctoral es centra en la paleoecologia de l’Illa de Pasqua (Rapa Nui) (27ºS 109ºW). El present treball ha caracteritzat la vegetació a la conca del llac i la seva dinàmica com a resposta als canvis ambientals durant els darrers 34000 anys a partir d’indicadors ambientals (macrorestes vegetals, diatomees, registre palinològic, geoquímic i fàcies sedimentari) analitzats en sediments de testimonis de sondeig del llac Raraku. Els resultats han evidenciat variacions significatives en la composició de la vegetació en relació a canvis climàtics a llarg termini, modificacions de la morfol

APA, Harvard, Vancouver, ISO, and other styles

43

Melo, Warita Alves de. "Filogeografia e estrutura genética de uma árvore de floresta estacional neotropical Tabebuia roseoalba (RIDL.) Sandwith (Bignnoniaceae)." Universidade Federal de Goiás, 2014. http://repositorio.bc.ufg.br/tede/handle/tede/5594.

Full text

Abstract:

Submitted by Cláudia Bueno (claudiamoura18@gmail.com) on 2016-05-19T20:50:13Z No. of bitstreams: 2 Dissertação - Warita Alves de Melo - 2014.pdf: 2324180 bytes, checksum: ceadfecb6355d48562897ba5ed60e072 (MD5) license_rdf: 23148 bytes, checksum: 9da0b6dfac957114c6a7714714b86306 (MD5)<br>Approved for entry into archive by Luciana Ferreira (lucgeral@gmail.com) on 2016-05-20T14:02:53Z (GMT) No. of bitstreams: 2 Dissertação - Warita Alves de Melo - 2014.pdf: 2324180 bytes, checksum: ceadfecb6355d48562897ba5ed60e072 (MD5) license_rdf: 23148 bytes, checksum: 9da0b6dfac957114c6a7714714b86306 (MD5)<br

APA, Harvard, Vancouver, ISO, and other styles

44

Furini, Paulo Roberto. "Modelagem preditiva de distribuição passada e futura de Ficus adhatodifolia Schott., Ficus insipida Willd. e Ficus citrifolia Mil. (Moraceae)." Universidade de São Paulo, 2015. http://www.teses.usp.br/teses/disponiveis/59/59139/tde-26052015-143536/.

Full text

Abstract:

As glaciações do Quaternário moldaram os padrões filogeográficos das espécies em geral. Em algumas regiões da América do Sul, (e.g. Cerrado e Caatinga) a mudança estrutural foi mais acentuada, havendo o predomino de savanas, ao passo que em outras regiões (e.g. Amazônica e Mata Atlântica) as mudanças foram menores, formando áreas de refúgios florestais. A Modelagem Preditiva de Distribuição de espécies usa associações entre variáveis ambientais e registros de ocorrência da espécie para estimar modelos que representam as condições ambientais favoráveis à espécie. Neste trabalho foram estudadas

APA, Harvard, Vancouver, ISO, and other styles

45

Kirby, Benjamin Thomas. "Surface Exposure Dating of Stream Terraces in the Chinese Pamir: Glacial Chronology and Paleoclimatic Implications." Columbus, Ohio : Ohio State University, 2008. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1211900394.

Full text

APA, Harvard, Vancouver, ISO, and other styles

46

Abreu, Tatianne Piza Ferrari. "Estudo filogeográfico de Micrurus lemniscatus (LINNAEUS, 1758) (SERPENTES: ELAPIDAE)." Universidade Federal de Goiás, 2014. http://repositorio.bc.ufg.br/tede/handle/tede/7706.

Full text

Abstract:

Submitted by Cássia Santos (cassia.bcufg@gmail.com) on 2017-08-30T10:51:56Z No. of bitstreams: 2 Dissertação - Tatianne Piza Ferrari Abreu - 2014.pdf: 3603386 bytes, checksum: a40d79ec7974327b452379ba2fc94097 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5)<br>Approved for entry into archive by Luciana Ferreira (lucgeral@gmail.com) on 2017-09-15T13:17:53Z (GMT) No. of bitstreams: 2 Dissertação - Tatianne Piza Ferrari Abreu - 2014.pdf: 3603386 bytes, checksum: a40d79ec7974327b452379ba2fc94097 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5

APA, Harvard, Vancouver, ISO, and other styles

47

Mauffrey, Marie-Aline. "Impact des variations du climat et du niveau marin sur les canyons sous-marins du Golfe du Lion (France) et de la marge de l'Ebre (Catalogne) au cours du Plio-Quaternaire." Thesis, Perpignan, 2015. http://www.theses.fr/2015PERP0047/document.

Full text

Abstract:

Les fluctuations du climat et du niveau marin, de plus ou moins grande amplitude, influencent le taux d’érosion sur le continent, le transport de sédiment vers l’océan et sa distribution vers le bassin profond. Les canyons sous-marins, structures érosives de premier abord, sont les zones de transfert privilégiées entre le plateau continental et le bassin profond. Peu d’études se sont concentrées sur la relation entre le remplissage des canyons, l’acheminement des sédiments et les variations du niveau marin. La chronologie de leur mise en place et de leur évolution aux échelles de temps géologi

APA, Harvard, Vancouver, ISO, and other styles

48

Hillenbrand, Claus-Dieter. "Glazialmarine Sedimentationsentwicklung am westantarktischen Kontinentalrand im Amundsen- und Bellingshausenmeer : Hinweise auf Paläoumweltveränderungen während der quartären Klimazyklen = Glaciomarine sedimentation on the continental margins of the Amundsen and Bellingshausen Seas, West Antarctica : indications for paleoenvironmental changes during the Quaternary climatic cycles /." Bremerhaven : Alfred-Wegener-Inst. für Polar- und Meeresforschung, 2000. http://www.gbv.de/dms/bs/toc/309875390.pdf.

Full text

APA, Harvard, Vancouver, ISO, and other styles

49

Murad, Waheed. "Late Quaternary Vegetation History And Climate Change In The Gobi Desert, South Mongolia." Doctoral thesis, 2011. http://hdl.handle.net/11858/00-1735-0000-000D-EF60-5.

Full text

APA, Harvard, Vancouver, ISO, and other styles

50

Gu, Fang. "Late Quaternary vegetation, climate and ocean dynamics inferred from marine sediment cores off southeastern South America." Doctoral thesis, 2018. http://hdl.handle.net/11858/00-1735-0000-002E-E49A-9.

Full text

APA, Harvard, Vancouver, ISO, and other styles

We offer discounts on all premium plans for authors whose works are included in thematic literature selections. Contact us to get a unique promo code!