Role of wetlands for sediment absorption
Tadesse Mucheye
Broschiertes Buch

Role of wetlands for sediment absorption

in the Lake Tana Basin, Ethiopia

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Sedimentation from agricultural fields and seasonal euthrophication from non-point source nutrients are the main problems in the Lake Tana, upper Blue Nile Basin (BNB) of Ethiopia. The main objective of this study was to show the role of wetlands on sediment absorption. Two wetlands were selected purposefully to quantify how much sediment and nutrient trapped by the wetlands. All sampled runoff were filtered and measured to determine sediment amount in gram per liter. Only 10 representative samples were subjected to nutrient analysis. Landsat images of 1985 TM, 1995 TM, 2000 ETM+ and 2011 ETM+...