Academic literature on the topic 'Baboons – Namibia – Kuiseb River'

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Journal articles on the topic "Baboons – Namibia – Kuiseb River"

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Paillou, Philippe, Sylvia Lopez, Eugene Marais, and Klaus Scipal. "Mapping Paleohydrology of the Ephemeral Kuiseb River, Namibia, from Radar Remote Sensing." Water 12, no. 5 (May 19, 2020): 1441. http://dx.doi.org/10.3390/w12051441.

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The Kuiseb River is one of the major ephemeral rivers of Western Namibia, setting the northern limit of the Namib Sand Sea and outflowing in the Atlantic Ocean at Walvis Bay. Such ephemeral rivers are of the highest importance for the country since they are related both to recent past climatic conditions and to potential water resources. Using high-resolution radar images from the Japanese ALOS-2 satellite, we mapped for the first time the numerous channels hidden under the surface aeolian sediments: while the non-permanent tributaries of the Kuiseb River appear north of its present-day bed, a wide paleochannel system running westward, assumed by previous studies, could be clearly observed in the interdune valleys in the south. Radar-detected channels were studied during fieldwork in May 2019, which produced both subsurface ground-penetrating radar profiles and high-resolution drone-generated digital elevation models. It allowed us to confirm the existence of the “Paleo–Kuiseb” drainage system, a remnant of the Holocene history of the Kuiseb River, moving northward under the progression of the Namib Sand Sea. Our observations also contribute to the explanation of the young age of the linear dunes at the northern edge of the Namib Sand Sea, which are currently active and are pushing the Kuiseb River course toward the north.
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SLATTERY, MICHAEL C. "BARCHAN MIGRATION ON THE KUISEB RIVER DELTA, NAMIBIA." South African Geographical Journal 72, no. 1 (April 1990): 5–10. http://dx.doi.org/10.1080/03736245.1990.9713540.

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BARNES, J. "BARCHAN DUNES ON THE KUISEB RIVER DELTA, NAMIBIA." South African Geographical Journal 83, no. 3 (September 2001): 283–92. http://dx.doi.org/10.1080/03736245.2001.9713747.

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Srivastava, Pradeep, George A. Brook, Eugene Marais, P. Morthekai, and Ashok K. Singhvi. "Depositional environment and OSL chronology of the Homeb silt deposits, Kuiseb River, Namibia." Quaternary Research 65, no. 3 (May 2006): 478–91. http://dx.doi.org/10.1016/j.yqres.2006.01.010.

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AbstractPrevious studies suggest that the Homeb silts of the Kuiseb valley, Namibia (i) accumulated in a dune-dammed lake, (ii) are end-point deposits, (iii) represent an aggrading river bed, and (iv) are slackwater deposits. Thus, they have been used alternatively as evidence of past drier conditions or past wetter conditions. Lithostratigraphic analysis of two sediment sequences at Homeb indicates sedimentation by aggradation of the Kuiseb River triggered by a transition from an arid to humid climate. OSL ages for the sequences were obtained by the SAR protocol on aliquots of 9.6-mm and 4.0-mm diameter and on single grains. Four-millimeter aliquot minimum ages closely approximate the single-grain minimum ages and are younger than 9.6-mm aliquot minimum and central ages. Based on these results, the small-aliquot (4-mm) approach appears to provide ages comparable to those obtained by the more laborious and time-consuming single-grain method. Minimum ages indicate rapid deposition of the Homeb Silts in at least two episodes centered at ∼15 ka and ∼6 ka during climate transitions from arid to humid. Flash floods eroded the valley fills during slightly more arid conditions.
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Morin, Efrat, Tamir Grodek, Ofer Dahan, Gerardo Benito, Christoph Kulls, Yael Jacoby, Guido Van Langenhove, Mary Seely, and Yehouda Enzel. "Flood routing and alluvial aquifer recharge along the ephemeral arid Kuiseb River, Namibia." Journal of Hydrology 368, no. 1-4 (April 2009): 262–75. http://dx.doi.org/10.1016/j.jhydrol.2009.02.015.

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Grodek, Tamir, Efrat Morin, David Helman, Itamar Lensky, Ofer Dahan, Mary Seely, Gerardo Benito, and Yehouda Enzel. "Eco-hydrology and geomorphology of the largest floods along the hyperarid Kuiseb River, Namibia." Journal of Hydrology 582 (March 2020): 124450. http://dx.doi.org/10.1016/j.jhydrol.2019.124450.

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Smith, R. M. H., T. R. Mason, and J. D. Ward. "Flash-flood sediments and ichnofacies of the Late Pleistocene Homeb Silts, Kuiseb River, Namibia." Sedimentary Geology 85, no. 1-4 (May 1993): 579–99. http://dx.doi.org/10.1016/0037-0738(93)90103-c.

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Ringrose, Susan, Mary Seely, Wilma Matheson, Lin Cassidy, Thebe Kemosidile, Sorcha Diskin, and Stephan Coetzee. "Nature and possible origins of hyper-arid floodplain islands: exemplified by the Kuiseb river, Namibia." Transactions of the Royal Society of South Africa 73, no. 2 (March 22, 2018): 143–57. http://dx.doi.org/10.1080/0035919x.2018.1435430.

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Heine, Klaus, and Jan T. Heine. "A paleohydrologic reinterpretation of the Homeb Silts, Kuiseb River, central Namib Desert (Namibia) and paleoclimatic implications." CATENA 48, no. 1-2 (June 2002): 107–30. http://dx.doi.org/10.1016/s0341-8162(02)00012-7.

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Botes, A., J. Henderson, T. Nakale, K. Nantanga, K. Schachtschneider, and M. Seely. "Ephemeral rivers and their development: testing an approach to basin management committees on the Kuiseb River, Namibia." Physics and Chemistry of the Earth, Parts A/B/C 28, no. 20-27 (January 2003): 853–58. http://dx.doi.org/10.1016/j.pce.2003.08.028.

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Dissertations / Theses on the topic "Baboons – Namibia – Kuiseb River"

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Jobst, Petra. "Investigating water problems of F. albida along the Kuiseb river, Namibia." Thesis, University of Cape Town, 1996. http://hdl.handle.net/11427/25898.

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Brain, Conrad. "The eco-physiology of baboons living in the Kuiseb river canyon, Namibia." Thesis, 2016. http://hdl.handle.net/10539/20897.

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A dissertation submitted to the Faculty of Science, University of the Witwatersrand, Johannesburg, in fulfilment of the requirements for the degree of Doctor of Philosophy Okaukuejo 1993
This study was designed to investigate the eco-physiology of baboons (Papio cynocephalus ursinus) in a troop living in the Kuiseb River canyon of the central Namib desert, Namibia. Answers were sought for two major questions: what Were the baboons prospects for survival and were there special adaptations allowing for their survival in their desert environment? To answer the former, life history phenomena of individuals and demographic changes within the troop were studied over a six year period. Results showed that the troop was not self-sustaining. Ectco-parasite infestations killed the majority of infants born to high ranking female baboons, while infant kidnapping by high ranking females killed most lower ranking females' infants. The high infant mortality appeared to affect the behaviour of adult male baboons in the troop, causing non-paternal males to fight harder to maintain a rank with reproductive opportunities, usually with serious wounding or death as a consequence. Answers to the latter question involved investigation into the baboons feeding patterns and diet, body temperature regulation, water flux rates and methods of body water conservation. Despite their desert environment, the baboons had access to plants of high water content and Were not dependent on free water intake. Plant foods also had low electrolyte concentrations. Body temparetures of three free-ranging baboons recorded by intraperitoneal radio tolemeters were remarkably labile, indicating an adaptive heterothermy. The baboons appeared to employ evaporative cooling only when water was available to drink and used cool sub-surface sand to slow their body temperature rises. water flux rates determined using tritiated water of three free-ranging baboons were not different to those of baboons from elsewhere. Acquisition of free water at times of water scarcity was strictly rank related. Body water conservation was apparently achieved through a combination of factors: urine concentration of Kuiseb baboons increased significantly when they were water deprived. The kidneys of the Kuiseb baboons, obtained from baboons that died naturally were anatomically significantly different and head greater urine concentrating abilities than the kidneys Of baboons from the northern Transvaal, South Africa. Kuiseb baboons showed efficient faecal water conservation, similar to other desert adapted mammals, Body water also was apparently conserved by engaging in water conservative behaviour, predominantly inactivity.
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Books on the topic "Baboons – Namibia – Kuiseb River"

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Ward, J. D., Ph. D. The Cenozoic succession in the Kuiseb Valley, central Namib Desert. Windhoek: Geological Survey of South West Africa/Namibia, 1987.

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Book chapters on the topic "Baboons – Namibia – Kuiseb River"

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Amakali, Maria, and Larry A. Swatuk. "Different Approaches to Local Level Participation in River Basin Management in Namibia: A Comparison Between the Kuiseb and Cuvelai Basins." In Transboundary Water Governance in Southern Africa, 111–32. Nomos Verlagsgesellschaft mbH & Co KG, 2009. http://dx.doi.org/10.5771/9783845212890-111.

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