Modern sediment records of hydroclimatic extremes and associated potential contaminant mobilization in semi-arid environments: lessons learnt from recent flood-drought cycles in southern Botswana

Purpose The aim of this work was to identify and analyze the records of flood-drought cycles as preserved in the sediments of the Notwane reservoir, southern Botswana, in order to better understand how extreme events affect water and sediment quality. This work represents the first attempt to study...

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Veröffentlicht in:	Journal of soils and sediments 2020-03, Vol.20 (3), p.1632-1650
Hauptverfasser:	Franchi, Fulvio, Ahad, Jason M. E., Geris, Josie, Jhowa, Gaone, Petros, Alfred K., Comte, Jean-Christophe
Format:	Artikel
Sprache:	eng
Schlagworte:	Aquifers Arid environments Arid zones Aridity Catchment area Chromium Contaminants Copper Corers Cores Cycles Cyclones Drought Earth and Environmental Science Environment Environmental hazards Environmental Physics Floods Grain size Grain size distribution Groundwater Heavy metals Hydrology Iron Lead Livelihoods Metal concentrations Metals Organic matter Pollutants Precipitation Profiles Quality assessment Quality control Rain Rainfall Records Reservoirs Sec 1 • Sediment Quality and Impact Assessment • Research Article Sediment Sediments Semi arid environments Semiarid environments Size distribution Soil Science & Conservation Structural damage Surface water Surface-groundwater relations Trace metals Vertical distribution Water quality Zinc
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