Search Results - "Demlie, Molla"

Assessment of Meteorological Drought and Wet Conditions Using Two Drought Indices Across KwaZulu-Natal Province, South Africa by Ndlovu, Minenhle Siphesihle, Demlie, Molla

“…South Africa has been experiencing a series of droughts for the last few years, limiting the availability of water supply in reservoirs and impacting many…”
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Review: Groundwater resource potential and status of groundwater resource development in Ethiopia by Mengistu, Haile A., Demlie, Molla B., Abiye, Tamiru A.

“…The groundwater resources potential of Ethiopia is estimated to be about 40 billion cubic meters. Groundwater has been used as the main source of water supply…”
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Analyses of groundwater storage change using GRACE satellite data in the Usutu-Mhlatuze drainage region, north-eastern South Africa by Ramjeawon, Manish, Demlie, Molla, Toucher, Michele

“…The Usutu-Mhlatuze Water Management Area located in northern KwaZulu-Natal province, South Africa. Recent studies have indicated a steady decline in…”
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Natural radioactivity and metal concentration in the Thyspunt area, Eastern Cape Province, South Africa by Mohuba, Seeke C., Abiye, Tamiru A., Demlie, Molla B., Nhleko, Sifiso

“…Naturally occurring radionuclides and metals have adverse human health impacts when they occur at higher activity and concentration above the threshold value,…”
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Investigation of the suitability of activated and non-activated bentonites from the Imerys Mine (South Africa) for geosynthetic clay liners by Patel, Ahmad, Hingston, Egerton D.C., Demlie, Molla

“…Geosynthetic clay liners (GCLs) have become a suitable substitute for compacted clay liners used for prevention of leachate percolation from landfills and…”
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Occurrence of Trace-Level Antibiotics in the Msunduzi River: An Investigation into South African Environmental Pollution by Addis, Temesgen Zelalem, Adu, Joy Tuoyo, Kumarasamy, Muthukrishnavellaisamy, Demlie, Molla

“…The presence of antibiotics in the environmental matrix has raised concerns regarding their risk to the aquatic ecosystem and human health. Surface water, such…”
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An Overview of Aquifer Physiognomies and the δ18O and δ2H Distribution in the South African Groundwaters by Abiye, Tamiru A., Demlie, Molla B., Mengistu, Haile

“…A comprehensive assessment of the stable isotope distribution in the groundwater systems of South Africa was conducted in relation to the diversity in the…”
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Hydrogeological Characterization of the Thyspunt Area, Eastern Cape Province, South Africa by Mohuba, Seeke C., Abiye, Tamiru A., Demlie, Molla B., Modiba, Moneri. J.

“…This paper presents a comprehensive hydrogeological investigation that involves field work, aquifer test, hydrogeochemical analysis, environmental isotope…”
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Groundwater recharge, flow and hydrogeochemical evolution in a complex volcanic aquifer system, central Ethiopia by Demlie, Molla, Wohnlich, Stefan, Wisotzky, Frank, Gizaw, Birhanu

“…Hydrochemical, multivariate statistical and inverse hydrogeochemical modeling techniques were used to investigate groundwater recharge, flow and the…”
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Analysis of three decades of land cover changes in the Maputaland Coastal Plain, South Africa by Ramjeawon, Manish, Demlie, Molla, Toucher, Michele L., Janse van Rensburg, Susan

“…The northern half of the Maputaland Coastal Plain (MCP) of South Africa has undergone significant change in land-use over the last five decades, including…”
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The relationship between lineaments and borehole yield in North West Province, South Africa: results from geophysical studies by Tessema, Abera, Mengistu, Haile, Chirenje, Emmanuel, Abiye, Tamiru A., Demlie, Molla B.

“…Airborne magnetic data and Landsat imagery, as well as time-domain electromagnetic soundings, were used to assess groundwater potential of the region around…”
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Modelling long-term release of chlorinated hydrocarbons from a contaminated brown coalfield, Bitterfeld, Germany by Mengistu, Haile A., Demlie, Molla B., Abiye, Tamiru. A.

“…Three kinetic and equilibrium partitioning column experiments were performed to determine the rates and extent of desorption of five chlorinated hydrocarbons…”
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Assessment and estimation of groundwater recharge for a catchment located in highland tropical climate in central Ethiopia using catchment soil–water balance (SWB) and chloride mass balance (CMB) techniques by Demlie, Molla

“…Two commonly applied groundwater recharge estimation techniques, namely soil–water balance (SWB) and the chloride mass balance (CMB) methods, were applied and…”
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Conceptual modelling of groundwater–surface water interactions in the Lake Sibayi Catchment, Eastern South Africa by Weitz, Jannie, Demlie, Molla

“…•Results reveal hydraulic connection between Lake Sibayi and groundwater.•Drastic decline of lake levels observed over the past decade.•Shallow and deep…”
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Hydrogeological framework and occurrence of groundwater in the Ethiopian aquifers by Ayenew, Tenalem, Demlie, Molla, Wohnlich, Stefan

“…Comprehensive hydrogeological investigations have been carried out in the Ethiopian volcanic terrain and associated quaternary sediments. The occurrence and…”
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Understanding the groundwater-level fluctuations for better management of groundwater resource: A case in the Johannesburg region by Abiye, Tamiru, Masindi, Khuliso, Mengistu, Haile, Demlie, Molla

“…Successful management of groundwater resources depends on the available resource and degree of groundwater fluctuations. Fluctuation of groundwater-level is…”
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A study of the sources, human health implications and low cost treatment options of iron rich groundwater in the northeastern coastal areas of KwaZulu-Natal, South Africa by Demlie, Molla, Hingston, Egerton, Mnisi, Zinhle

“…The groundwater of the northeastern coastal region of KwaZulu-Natal province of South Africa is characterized by high iron content. When the iron rich…”
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Numerical modeling and environmental isotope methods in integrated mine-water management: a case study from the Witwatersrand basin, South Africa by Mengistu, Haile, Tessema, Abera, Abiye, Tamiru, Demlie, Molla, Lin, Haili

“…Improved groundwater flow conceptualization was achieved using environmental stable isotope (ESI) and hydrochemical information to complete a numerical…”
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Conceptual hydrogeological and numerical groundwater flow modelling around the Moab Khutsong deep gold mine, South Africa by Mengistu, Haile A., Demlie, Molla B., Abiye, Tamiru A., Xu, Yongxin, Kanyerere, Thokozani

“…Prediction of response to fissure water pumping from a shaft on the surrounding areas is conducted with a numerical model, which was refined using…”
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Major ion hydrochemistry and environmental isotope signatures as a tool in assessing groundwater occurrence and its dynamics in a fractured volcanic aquifer system located within a heavily urbanized catchment, central Ethiopia by Demlie, Molla, Wohnlich, Stefan, Ayenew, Tenalem

“…Hydrochemical and environmental isotope ( 2H, 18O and 3H) data were used to characterize the groundwater flow, occurrence and major ion chemistry in a complex…”
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