All Outputs (23)

Reconstructing rainfall using dryland dunes: Assessing the suitability of the southern Kalahari for unsaturated zone hydrostratigraphies (2022)
Journal Article

Time-series of dryland rainfall over 100–1000s of years are scarce but are needed to underpin improved predictions under future climate change. Dryland sand dunes are established Quaternary geomorphic archives, which also contain pore moisture as par... Read More about Reconstructing rainfall using dryland dunes: Assessing the suitability of the southern Kalahari for unsaturated zone hydrostratigraphies.

Toward the sustainable use of groundwater springs: a case study from Namibia (2022)
Journal Article

The water supply in drylands mainly relies on groundwater, making it a crucial resource. Springs in southern Africa are often underutilized, and are neither protected nor monitored. Thus, the aim of this study was to evaluate their quality in a sampl... Read More about Toward the sustainable use of groundwater springs: a case study from Namibia.

Groundwater recharge over the past 100 years: Regional spatiotemporal assessment and climate change impact over the Saguenay-Lac-Saint-Jean region, Canada (2022)
Journal Article

Proper knowledge of potential groundwater recharge (PGR) and its spatiotemporal distribution are essential for sustainable groundwater management, especially within the context of climate change. Here, a robust GIS-based water budget framework was de... Read More about Groundwater recharge over the past 100 years: Regional spatiotemporal assessment and climate change impact over the Saguenay-Lac-Saint-Jean region, Canada.

Challenges to implementing environmental-DNA monitoring in Namibia (2022)
Journal Article

By identifying fragments of DNA in the environment, eDNA approaches present a promising tool for monitoring biodiversity in a cost-effective way. This is particularly pertinent for countries where traditional morphological monitoring has been sparse.... Read More about Challenges to implementing environmental-DNA monitoring in Namibia.

Rare earth elements in uranium ore deposits from Namibia: A nuclear forensics tool (2021)
Journal Article

Rare earth elements (REE) concentrations and pattern remains largely unchanged during the process of milling and can thus provide strong evidence of the origin of the material. The aim of this study was to determine the rare earth elements in uranium... Read More about Rare earth elements in uranium ore deposits from Namibia: A nuclear forensics tool.

Spatial distribution of soil salinity: A GIS-based assessment at the Hardap irrigation scheme, Namibia (2020)
Journal Article

Salinization is a worldwide problem that affects the physical and chemical properties of soils. It is the most common and widely recognized form of land degradation, particularly in arid and semi-arid regions, where evaporation surpasses precipitatio... Read More about Spatial distribution of soil salinity: A GIS-based assessment at the Hardap irrigation scheme, Namibia.

Evaporation loss along the Calueque-Oshakati Canal in the Cuvelai-Etosha Basin (Northern Namibia): Evidence from stable isotopes and hydrochemistry (2020)
Journal Article

© 2020 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group. Since 1973, Kunene River water has been carried from the Calueque reservoir in Angola along a 160 km open concrete canal to the town of Oshakati in the centra... Read More about Evaporation loss along the Calueque-Oshakati Canal in the Cuvelai-Etosha Basin (Northern Namibia): Evidence from stable isotopes and hydrochemistry.

Estimation of groundwater recharge in savannah aquifers along a precipitation gradient using chloride mass balance method and environmental isotopes, Namibia (2020)
Journal Article

© 2020 Elsevier Ltd The quantification of groundwater resources is essential especially in water scarce countries like Namibia. The chloride mass balance (CMB) method and isotopic composition were used in determining groundwater recharge along a prec... Read More about Estimation of groundwater recharge in savannah aquifers along a precipitation gradient using chloride mass balance method and environmental isotopes, Namibia.

Partitioning of water between differently sized shrubs and potential groundwater recharge in a semiarid savanna in Namibia (2019)
Journal Article

Introduction: Many semiarid regions around the world are presently experiencing significant changes in both climatic conditions and vegetation. This includes a disturbed coexistence between grasses and bushes also known as bush encroachment, and alte... Read More about Partitioning of water between differently sized shrubs and potential groundwater recharge in a semiarid savanna in Namibia.

Observed controls on resilience of groundwater to climate variability in sub-Saharan Africa (2019)
Journal Article

Groundwater in sub-Saharan Africa supports livelihoods and poverty alleviation maintains vital ecosystems, and strongly influences terrestrial water and energy budgets. Yet the hydrological processes that govern groundwater recharge and sustainabilit... Read More about Observed controls on resilience of groundwater to climate variability in sub-Saharan Africa.

The role of local perched aquifers in regional groundwater recharge in semi-arid environments: Evidence from the Cuvelai-Etosha Basin, Namibia (2019)
Journal Article

The influence of local perched aquifers on groundwater recharge in semi-arid areas at a regional scale remains inadequately studied, especially in southern Africa where data scarcity limits the understanding of recharge and groundwater flow processes... Read More about The role of local perched aquifers in regional groundwater recharge in semi-arid environments: Evidence from the Cuvelai-Etosha Basin, Namibia.

Metagenomics reveals seasonality of human pathogenic bacteria from hand-dug well water in the Cuvelai Etosha Basin of Namibia (2019)
Journal Article

Namibia is a large country with a population slightly above 2 million of which 73% live in rural areas. It is the driest country in sub-Saharan Africa with unpredictable rainfall patterns which occur between October and May. The Cuvelai Etosha Basin... Read More about Metagenomics reveals seasonality of human pathogenic bacteria from hand-dug well water in the Cuvelai Etosha Basin of Namibia.

Examination of deep root water uptake using anomalies of soil water stable isotopes, depth-controlled isotopic labeling and mixing models (2018)
Journal Article

© 2018 Elsevier B.V. Knowledge on the water uptake depths of vegetation is crucial for understanding water transport processes of the soil-vegetation atmosphere continuum and relevant for many applications (e.g. the estimation of groundwater recharge... Read More about Examination of deep root water uptake using anomalies of soil water stable isotopes, depth-controlled isotopic labeling and mixing models.

Stable isotope signatures of meteoric water in the Cuvelai-Etosha Basin, Namibia: Seasonal characteristics, trends and relations to southern African patterns (2018)
Journal Article

© 2018, © 2018 Informa UK Limited, trading as Taylor & Francis Group. The study area is the Namibian part of the Cuvelai-Etosha Basin (CEB), located in central northern Namibia. The CEB is home to 40% of Namibia’s population, and most of the peopl... Read More about Stable isotope signatures of meteoric water in the Cuvelai-Etosha Basin, Namibia: Seasonal characteristics, trends and relations to southern African patterns.

Precipitation Origins and Key Drivers of Precipitation Isotope (18O, 2H, and 17O) Compositions Over Windhoek (2018)
Journal Article

©2018. American Geophysical Union. All Rights Reserved. Southern African climate is characterized by large precipitation variability, and model precipitation estimates can vary by 70% during summer. This may be partly attributed to underestimation an... Read More about Precipitation Origins and Key Drivers of Precipitation Isotope (18O, 2H, and 17O) Compositions Over Windhoek.

Detection of Escherichia coli and harmful enteric bacterial pathogens in domestic hand-dug wells in the Cuvelai Etosha Basin of Namibia (2018)
Journal Article

The Cuvelai Etosha Basin of Namibia is characterised by complex aquifer systems with multi-layered aquifers and various water qualities. Some parts of the basin have been covered with a pipeline system that supplies purified surface water from the Ku... Read More about Detection of Escherichia coli and harmful enteric bacterial pathogens in domestic hand-dug wells in the Cuvelai Etosha Basin of Namibia.

Groundwater quality and associated hydrogeochemical processes in Northwest Namibia (2017)
Journal Article

© 2017 Elsevier B.V. Namibia is one of the driest countries in southern Africa. Groundwater has played an important role in the development of Namibia. However, like those at some other places in Namibia, groundwater is unsuitable for drinking in par... Read More about Groundwater quality and associated hydrogeochemical processes in Northwest Namibia.

Spatial analysis of fluoride concentrations in drinking water and population at risk in Namibia (2017)
Journal Article

© 2017, South African Water Research Commission. All rights reserved. Namibia, the driest country in sub-Saharan Africa, is largely reliant on groundwater for its potable water demand and groundwater is a major source of naturally-occurring fluoride.... Read More about Spatial analysis of fluoride concentrations in drinking water and population at risk in Namibia.

An analysis of precipitation isotope distributions across Namibia using historical data (2016)
Journal Article

Global precipitation isoscapes based on the Global Network for Isotopes in Precipitation (GNIP) network are an important toolset that aid our understanding of global hydrologic
cycles. Although the GNIP database is instrumental in developing global... Read More about An analysis of precipitation isotope distributions across Namibia using historical data.

In situ unsaturated zone water stable isotope (2H and 18O) measurements in semi-arid environments: A soil water balance (2016)
Journal Article

© 2016 Author(s). Stable isotopes (deuterium, 2H, and oxygen-18, 18O) of soil water were measured in the field using a liquid water isotope analyzer (tunable off-axis integrated cavity output spectroscope, OA-ICOS, LGR) and commercially available soi... Read More about In situ unsaturated zone water stable isotope (2H and 18O) measurements in semi-arid environments: A soil water balance.