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Ringrose S, Matheson W, Seely M, Cassidy L, Coetzee S, Kemosidile T 2014. Aspects of floodplain deposition in semi-arid ephemeral rivers, examples from the Kuiseb river valley, central Namibia. Transactions of the Royal Society of South Africa 69 (3) 187-193
… Topographic and sediment work in the Kuiseb river, currently an ephemeral stream in central Namibia, has … of the Royal Society of South Africa … Aspects of floodplain deposition in semi-arid ephemeral rivers, examples from the Kuiseb river valle... …
Douglas CMS, Cowlishaw G, Harrison XA, Henschel JR, Pettorelli N, Mulligan M 2018. Identifying the determinants of tree distributions along a large ephemeral river. Ecosphere 9 (6)
… Although ephemeral rivers act as linear oases and play a fundamental role in sustaining regional biodiversity in dryland regions, little is known about these systems or their sensitivity to human impacts. Without such knowledge, it is difficult to manage or …
Douglas C 2014. The distribution and survival of riparian trees along a dammed ephemeral river.
Ephemeral rivers are a particular type of dryland river which only flow during and immediately after rain events. Despite their important social and ecological roles in drylands we know very little about the ecosystems …
Arnold S, Attinger S, Frank F, Baxter P, Hildebrandt A 2010. Integrated and adaptive management for sustainable water use along ephemeral rivers under severe uncertainty of future flood regimes.
Ephemeral rivers are located throughout the world's arid regions. They are characterised by temporary surface flow that strongly varies between seasons and years. Along the river course often a coupled eco-hydrological vegetation-groundwater system … of future flood regimes. In this study we assess a variety of management strategies regarding their robustness under different theoretical ecosystems and under uncertainty in the future …
Dansie AP, Wiggs GFS, Thomas DSG 2017. Iron and nutrient content of wind-erodible sediment in the ephemeral river valleys of Namibia. Geomorphology 290 335-346
… the global distribution of aeolian dust sources has principally focussed on salt/clay pan and desiccated lacustrine emission areas. In southern Africa such sources are identified as … Etosha Pan in northern Namibia and Makgadikgadi Pans in northern Botswana. Dust emitting from ephemeral river valleys, however, has been largely overlooked. Rivers are known nutrient transport pathways and the flooding regimes of ephemeral river valleys …
Jacobson PJ 1997. An Ephemeral Perspective of Fluvial Ecosystems: Viewing Ephemeral Rivers in the Context of Current Lotic Ecology.
… Hydrologic and material dynamics of ephemeral rivers were investigated in the Namib Desert to assess how … channel dynamics. Key Words: hydrology, flooding, organic matter dynamics, Namib Desert. … An Ephemeral Perspective of Fluvial Ecosystems Viewing Ephemeral Rivers in the Context of Current …
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Jacobson Thesis 1997_Ephemeral Rivers.pdf 297.21 KB
Jacobson PJ 1997. An ephemeral perspective of fluvial ecosystems: viewing ephemeral rivers in the context of current lotic.
… Hydrologic and material dynamics of ephemeral rivers were investigated in the Namib Desert to assess how … wood, floodplain, Faidherbia, albida, Namibia, Namib Desert, geomorphology, sediment. … An ephemeral perspective of fluvial ecosystems viewing ephemeral rivers in the context of current …
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An ephemeral perspective of fluvial ecosystems_1997.pdf 310.22 KB
Douglas CMS, Mulligan M, Harrison XA, Henschel JR, Pettorelli N, Cowlishaw G 2016. Widespread dieback of riparian trees on a dammed ephemeral river and evidence of local mitigation by tributary flows. PeerJ 4 e2622
Ephemeral rivers act as linear oases in drylands providing key resources to people and wildlife. However, not much is known about these … the landscape-level determinants of riparian tree dieback along the Swakop River, a dammed ephemeral river in Namibia, focusing on the native ana tree (Faidherbia albida) and the invasive …
Turton T, Ashton P, Cloete E 2003. Transboundary rivers, sovereignty and development: Hydropolitical drivers in the Okavango River basin.
… transboundary river system that has been sculpted over millions of years by natural physical and hydrological processes. The second factor is superimposition of political boundaries over … sovereignty and the belief that all states have the right to control the natural resources on their territory. The third factor is linked to sovereignty, and relates to the desire by … their countries in such a way as to benefit the of their respective countries. … Transboundary rivers, sovereignty and development Hydropolitical drivers in the Okavango River basi... …
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Turton.pdf 143.89 KB
Jacobson PJ, Jacobson KM, Angermeier PL, Cherry DS 2000. Variation in material transport and water chemistry along a large ephemeral river in the Namib Desert. Freshwater Biology 44 481 - 491
… The chemical characteristics of floodwaters in ephemeral rivers are little known, particularly with regard to their organic loads. These rivers typically … hydrological decay but few studies have documented its effect on chemical characteristics and material transport. To develop a better understanding of the dynamics of floods and
Crerar S, Fry RG, Slater PM, van Langenhove G, Wheeler D 1988. An unexpected factor affecting recharge from ephemeral river flows in SWA/Namibia. Estimation of Natural groundwater recharge 11-28
… An unexpected factor affecting recharge from ephemeral river. Keywords: Namibia, ephemeral rivers, Kuiseb River, Swakop River, ephemeral fluvial systems, flood gauge, boreholes, …
Hughes DA 2005. Hydrological issues associated with the determination of environmental water requirements of ephemeral rivers. River Research and Applications 21 (8) 899-908
… The paper reviews the generic characteristics of ephemeral rivers compared with seasonal and perennial systems in the context of southern Africa. The difficulties of estimating the …
Seely M, Henderson J, Heyns P, Jacobson P, Nakale T, Nantanga K, Schachtschneider K 2002. Chapter 9: Ephemeral and endoreic river systems: Relevance and management challenges. Transboundary rivers, sovereignty and development: hydropolitical drivers in the Okavango River basin
Ephemeral and endoreic rivers are located in arid, semi-arid and dry sub-humid drylands of the earth. … with aridity, is a Major factor influencing ecological, economic and social sustainability of ephemeral and endoreic rivers (Molles et al 1992). Ephemeral rivers, with temporary surface flow …
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Ephemeral and endoreic river systems_2002.pdf 246.14 KB
Henschel J 2006. Sustaining life and livelihood along an ephemeral river. The example of the Kuiseb River/Namibia. Geographische Rundschau International Edition 2 (3) 28-33
… Geographische Rundschau International Edition … Sustaining life and livelihood along an ephemeral river. The example of the Kuiseb River/Namibia …
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Sustaining life and livelihood along an ephemeral river.pdf 473.58 KB
Krapf CBE, Stollhofen H, Stanistreet IG 2003. Contrasting styles of ephemeral river systems and their interaction with dunes of the Skeleton Coast erg (Namibia). Quaternary International 104 (1) 41-52
… Namibia. To a variable degree along its strike, the dune belt dams west-southwestward flowing ephemeral river systems on their route towards the Atlantic Ocean. The southern rivers, Koigab, Uniab and Hunkab, affecting the erg, are characterized by short, infrequent ephemeral flows from …
Jacobson PJ, Jacobson KM, Angermeier PL, Cherry DS 1999. Transport, retention, and ecological significance of woody debris within a large ephemeral river. Journal of the North American Benthological Society 18 (4) 429 - 444
… The spatiotemporal patterns and ecological significance of the retention of coarse particulate organic matter and large woody debris have been intensively studied in perennial rivers and streams but are virtually unknown in ephemeral systems. We examined the influence of 2 features characteristic of ephemeral systems, …
Sánchez-Montoya MM, Guerrero-Brotons M, Miñano J, Gómez R 2020. Effects of debris piles and pools along dry riverbeds on nutrients, microbial activity, and ground-dwelling arthropods: A Namibian ephemeral river case. Journal of Arid Environments 175
… Debris piles and dry pools are common landscape elements along ephemeral river channels. However, their effects on resource availability and arthropod species diversity have been neglected so …
Jacobson PJ, Jacobson KM 2013. Hydrologic controls of physical and ecological processes in Namib Desert ephemeral rivers: Implications for conservation and Management. Journal of Arid Environments 93 80-93
Ephemeral rivers have been largely excluded from previous attempts to classify global hydrologic regimes, or to assess the role of hydrologic characteristics in regulating ecological processes and patterns in fluvial ecosystems. The Namib Desert's ephemeral rivers are amongst the most … and the rates of ecological processes such as decomposition. Flood pulses, although variable in their timing and magnitude, play a critical role in regulating organic matter transport and
Moser-Nørgaard PM, Denich M 2011. Influence of livestock on the regeneration of fodder trees along ephemeral rivers of Namibia. Journal of Arid Environments 75 (4) 371-376
… Faidherbia albida and Acacia erioloba (Mimosoideae) are important fodder trees for livestock and wildlife along the westward flowing ephemeral rivers of the Namib Desert. Together with other, mainly woody vegetation, F. albida and A. …
Seely M 2004. Environmental water requirements in non - perennial systems: The kuiseb ephemeral river experience.
… Environmental water requirements in non - perennial systems: The kuiseb ephemeral river experience. Keywords: Namibia, Ephemeral rivers, river basin, management, Kuiseb rivers, Kuiseb basin, geography, SDP, water …
Hofmann C-C, Rice AHN 2010. Leaf-jams - A new and unique leaf deposit in the ephemeral Hoanib River, NW Namibia: Origin and plant taphonomic implications. International Journal of Coal Geology 83 (2) 195-203
… monospecific linear accumulations of Colophospermum mopaneleaves on a point bar of the ephemeral Hoanib River, NW Namibia. In these ‘leaf-jams’, leaf laminae stand on edge, orientated more-or-less normal to bedding. Leaf-jams, which formed upstream of … were orientated subparallel to the adjacent meandering river-bed, such that over the 40 m of their occurrence, their mean azimuth changed by 59° anticlockwise downstream. The longest …
2004. Rivers and major tributaries of the Okavango river system.
Rivers and major tributaries of the Okavango river system. The field 'River-type' provides a … V - Incised Valley, M - Valley marshland, F - floodplain valley, D - fossil drainage line, E - ephemeral river, S - major delta channel. Largely digitized off LandSat images. Origin: RAISON. … Rivers and major tributaries of the Okavango river system …
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Okavango drainag_2004.zip 563.46 KB
Jacobson K 1994. The ephemeral rivers of the Namib. Namib Bulletin 11 7-9
… most fascinating scenes witnessed was a flood that came out of the mountainous Kuiseb catchment and into the desert. The leading edge of the flood was nearly a meter high and looked more like … within the desert reach of the Kuiseb River. Keywords: Namibia, Namib Desert, Kuiseb River, ephemeral river, flood dynamics, flooding, river flow, arid environment. … Namib Bulletin … The ephemeral rivers of the Namib …
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The ephemeral rivers of the Namib.pdf 1.59 MB
Krapf C 2003. Ephemeral river systems at the Skeleton Coast, NW-Namibia. Sedimentological and geomorphological studies on the braided river dominated Koigab Fan, the Cenozoic succession in the Uniabmond area and comparative studies on fluvio-aeolian interaction between.
… The Skeleton Coast forms part of the Atlantic coastline of NW Namibia comprising several ephemeral rivers, which flow west-southwest towards the Atlantic Ocean. The area is hyper-arid with less than 50 mm average annual rainfall and a rainfall variability of 72%. Therefore, the major catchment areas of the rivers are about …
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Ephemeral river systems at the Skeleton Coast_2003.pdf 16.8 MB
Shela ON 2000. Management of shared river basins: the case of the Zambezi River. Water Policy 2 65-81
… occupying the territories of Angola, Botswana, Malawi, Mozambique, Namibia, Tanzania, Zambia and Zimbabwe. Out of these riparian states, Zambia, Angola, Zimbabwe, Mozambique and Malawi have the largest share of its basin, with catchment area percentages of 40.7, 18.3, 15.9, 11.4 and 7.7, respectively. The major tributaries are Shire River from the territories of Tanzania, …
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Management of shared river basins.pdf 438.05 KB
Botes A, Henderson J, Nakale T, Nantanga K, Schachtschneider K, Seely M 2003. 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 (20 - 27) 853 - 858
Ephemeral rivers are located in the world's drylands where aridity and climate variability are key environmental determinants. The Kuiseb River … as mechanisms to ensure more equitable, efficient and effective sharing of water resources and their benefits. … Physics and Chemistry of the Earth, Parts A/B/C … Ephemeral rivers and their
Jacobson KM, Jacobson P, Miller OK 1999. The autecology of Battarrea stevenii in ephemeral rivers of southwestern Africa. Mycological Research 103 (1) 9-17
… In September 1990, 74 sporocarps of  Battarrea stevenii  were observed on the floodplain of the ephemeral Kuiseb River in western Namibia. Herein we report subsequent studies of the distribution, abundance, nutritional role, phenology, and sporocarp development of this fungus in the hyper-arid Namib Desert. Included are full … it is an important component of the subsurface decomposer community in the Namib's ephemeral rivers. Given that the fungus has also been recorded from floodplain soils of Angola, Hungary, …
Schachtschneider K, Reinecke K 2014. Riparian trees as common denominators across the river flow spectrum: are ecophysiological methods useful tools in environmental flow assessments?. Water SA (40) 287-296
… of water availability, can adapt their physiology to maximise their survival chances. Rivers in South Africa may flow perennially, seasonally or ephemerally (episodically). Different riparian species are adapted to survive under each of … are available to varying degrees, depending on local climatic, hydrological, geohydrological and geomorphological conditions. This paper tests physiological differences among trees along …
Robertson A, Jarvis A, Mendelsohn J, Swart R 2012. Namibia's Coast: Figure 27 Ephemeral river flow. Namibia's Coast: Ocean Riches and Desert Treasures
… Flows along four of the major ephemeral rivers in the central coastal region. The Tsauchab River terminates at Sossusvlei, while the Kuiseb River ends just inland of Walvis Bay. The units of water volume on the y-axis are cubic metres per second. … …
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Figure 27_Ephemeral river flow_2012.zip 10.59 KB
Jacobson PJ, Jacobson KM, Angermeier PL, Cherry DS 2000. Hydrologic influences on soil properties along ephemeral rivers in the Namib Desert. Journal of Arid Environments 45 (1) 21-34
… Soils were examined along three ephemeral rivers in the Namib Desert to assess the influence of their hydrologic characteristics on soil … consisted of layers of fluvially deposited, organic-rich silts, interstratified with fluvial and aeolian sands. The most significant influence of the ephemeral hydrologic regime upon soils …
2009. Ephemeral River Basins. Newsletter: Sharing Temporary Waters in Southern Africa
… If you live in the Orange-Fish River Basin and your livelihood depends on access to a dependable water source, recent developments in this … to you. The river basin covers much of southern Namibia and, together, the Orange and Fish rivers supply water to a number of economically important enterprises. Through the Orange-River … to address challenges in the basin. … Newsletter: Sharing Temporary Waters in Southern Africa … Ephemeral River Basins …
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Ephemeral River Basins Newsletter_2009.pdf 347.64 KB
Moser PM 2006. Regeneration and utilization of Faidherbia albida and Acacia erioloba along ephemeral rivers of Namibia.
… Faidherbia albida and Acacia erioloba are important fodder trees for the livestock of local farmers and wildlife along ephemeral rivers of the Namib Desert. In this study, the regeneration processes of the two tree species …
Williams D, Pettorelli N, Henschel J, Cowlishaw G, Douglas CMS 2013. Impact of alien trees on mammal distributions along an ephemeral river in the Namib Desert. African Journal of Ecology
Ephemeral rivers and the vegetation they support have numerous ecological and economic values to the mammals and … we tested the hypothesis that Prosopis invasion has a negative impact on the mammals of the ephemeral Swakop River in Namibia by reducing mammal species richness and species occupancies. …
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Impact of alien trees on mammal distributions.pdf 454.02 KB
Schachtschneider K 2010. Water sourcing by riparian tree species in ephemaral rivers.
… In arid southern Africa, many rivers are ephemeral, and surface flow occurs for less than 10% of the year. Floods, which occur erratically, recharge …
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Water sourcing by riparian tree species in ephemaral rivers.pdf 3.39 MB
2004. Perennial rivers of the Okavango river system.
… Perennial rivers of the Okavango river system. The field 'River-type' provides a classification: V - Incised Valley, M - Valley marshland, F - floodplain valley, S - major delta channel. Largely digitized off LandSat images. Origin: RAISON. … Perennial rivers of the Okavango river system …
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Okavango perennial rivers_2004.zip 244.15 KB
Taylor MP, Kesterton RGH 2002. Heavy metal contamination of an arid river environment: Gruben River, Namibia. Geomorphology 42 (3-4) 311-327
… extremely arid environment with an average rainfall of ~25 mm p.a. The potential for physical and chemical remobilisation of Cu, Zn and Ni is assessed by examining the spatial and temporal distribution of metal-contaminated sediment deposited within the confines of the …
Cloete G, Benito G, Grodek T, Porat N, Enzel Y 2018. Analyses of the magnitude and frequency of a 400-year flood record in the Fish River Basin, Namibia. Geomorphology (320) 1-17
Ephemeral rivers in dryland regions exhibit a high interannual variability of streamflow regime, mainly dominated by … hazard with important socioeconomic implications. The Fish River (86,600 km2) is the largest ephemeral stream in Namibia and, recently, also the focus of new development plans, including …
Herman A, Jefta G, Ndeutalala H, Iiputa G, Katshuna M, Matros A, Muduva T, Muvi-Tjikalapo M, Nakale T, Nakathingo H, Nampila J, Nantanga K, Nashipili N, Shigwedha L, Thomas T 2000. Influence of Farm Dams on Water Balance in an Ephemeral River System: The Kuiseb Basin.
… Influence of Farm Dams on Water Balance in an Ephemeral River System: The Kuiseb Basin. Keywords: Wetlands, Water supply, namib desert, environmental assessment vegetation and soil, dams and boreholes, land use management. … Influence of Farm Dams on Water Balance in an Ephemeral River System The Kuiseb Basin …
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Influence of Farm Dams on Water Balance in an Ephemeral River.pdf 5.52 MB
Sparavigna AC 2016. Flood basins created by ephemeral rivers of Namibia in the Satellite Image Time Series of Google Earth.
… that, in the satellite image time series of Google Earth, it is possible to observe how some ephemeral rivers of Namibia can be dammed by the dunes of the Skeleton Coast, creating some flood … Image Time Series, Google Earth, Water Reservoirs, Environment. … Flood basins created by ephemeral rivers of Namibia in the Satellite Image Time Series of Google Earth …
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Flood basins created by ephemeral rivers of Namibia_Google earth.pdf 423.31 KB
von Holdt JR, Eckardt FD 2017. Dust activity and surface sediment characteristics of the dustiest river in southern Africa: the Kuiseb River, Central Namib. South African Geographical Journal
… southern Africa. The purpose of this study was to extend the dust event record through to 2014, and to examine the nature of the surfaces from which this satellite imagery indicates these dust … delta as the dustiest geomorphological unit (54% of plumes), followed by the gravel plain (28%) and then the river (8%). No dust originated from the Namib Sand Sea dunes or interdunes. Field observations provided detail about the geomorphological and
Morin E, Grodek T, Dahan O, Benito G, Kulls C, Jacoby Y, van Langenhove G, Seely M, Enzel Y 2009. Flood routing and alluvial aquifer recharge along the ephemeral arid Kuiseb River, Namibia. Journal of Hydrology 368 (1 - 4) 262 - 275
… Flood water infiltrates ephemeral channels, recharging local and regional aquifers, and it is the main water source in hyperarid regions. Quantitative estimations of these … loss, Africa. … Journal of Hydrology … Flood routing and alluvial aquifer recharge along the ephemeral arid Kuiseb River, Namibia …
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Flood routing and alluvial aquifer recharge_2009.pdf 1.83 MB
2004. Altitudinal profiles of the Okavango and Cuito rivers from the rivers' sources in Angola to the delta in Botswana.
… Altitudinal profiles of the Okavango and Cuito rivers from the rivers' sources in Angola to the delta in Botswana, extracted from an interpolation of the …
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River profiles.xls 242 KB
Goudie A, Viles H 2014. The ephemeral rivers and dunes of the Skeleton Coast. Landscapes and Landforms of Namibia. World Geomorphological Landscapes
… Along the Skeleton Coast of north western Namibia a series of ephemeral rivers flow into the Atlantic and each demonstrates a very different style of interaction with the area’s sand dunes, …
van Langenhove G, de Bruine B, Rukira L, Hatutale A 1996. Flow régime changes in Namibian rivers: patterns, effects and possible causes.
… Flow régime changes in Namibian rivers: patterns, effects and possible causes. Keywords: Namibia, Kuiseb River, Fish River, Okavango River, Kunene River, ephemeral river, runoff, river basin management, river flow, rainfall, water recharge, water …
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Flow regime changes in Namibian rivers.pdf 4.39 MB
Day JA, Malan HL, Malijani E, Abegunde AP 2019. Water quality in non-perennial rivers. Water SA 45 (3) 487-500
… More than half the river-lengths of rivers in southern Africa dry up occasionally or – more commonly – seasonally. Here we review the literature on water quality (WQ) in non-perennial rivers (N-PRs), with emphasis on river management and southern African systems. Hydrological regimes cover a spectrum from relatively predictable …
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Water quality in non_perennial rivers.pdf 681.19 KB
Benito G, Rohde R, Seely M, Kulls C, Dahan O, Enzel Y, Todd S, Botero B, Morin E, Grodek T, Roberts C 2010. Management of Alluvial Aquifers in Two Southern African Ephemeral Rivers: Implications for IWRM. Water Resources Management 24 (4) 641-667
… research into the assessment of long-term groundwater recharge from flood events in dryland environments of the Kuiseb (Namibia) and the Buffels (South Africa) rivers. The integrated water resource management (IWRM) policies and institutions affecting the … … Water Resources Management … Management of Alluvial Aquifers in Two Southern African Ephemeral Rivers Implications for IWRM …
Chase M 2007. Aerial wildlife census of the Caprivi River systems: A survey of rivers, wetlands and floodplains - September 2007.
… 2007. The purpose of this survey was to provide recent information on the distribution and abundance of wildlife species relative to protected areas and conservancies. The report compares the results of the September 2007 (Sept07) aerial survey … use categories are presented. … Aerial wildlife census of the Caprivi River systems A survey of rivers, wetlands and floodplains - ... …
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Caprivi Wetlands Aerial Survey Report 2007.pdf 4.3 MB
Paciullo FVP, Ribeiro A, Trouw RAJ, Passchier CW 2007. Facies and facies association of the siliciclastic Brak River and carbonate Gemsbok formations in the Lower Ugab River valley, Namibia, W. Africa. Journal of African Earth Sciences 47 (3) 121-134
… five turbiditic units. From the base to the top they are the Zebrapüts Formation (greywacke and pelite), Brandberg West Formation (marble and pelite), Brak River Formation (greywacke and pelite with dropstones), Gemsbok River …
Mare H 2007. Review of Surface Hydrology in the Orange River Catchment.
… require natural flow sequences with a relative high confidence rating of an A or at least and B. Confidence ratings of C and lower should preferably not be used. The natural flow data for the total Vaal River … a negligible affect on results. In the remainder of the Orange River catchment only two sub-catchments (Hardap and Naute) within the Fish River subcatchment has a B rating which is also …
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Surface hydrology ORASECOM.pdf 451.85 KB

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