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Agricultural Science

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Ethiopia.

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Mapping Soil Erosion Risk Using Rusle, Gis And Remote Sensing Techniques, Ahmed Harb Rabia A.H. Rabia Jul 2012

Mapping Soil Erosion Risk Using Rusle, Gis And Remote Sensing Techniques, Ahmed Harb Rabia A.H. Rabia

Ahmed Harb Rabia A.H. Rabia

Soil erosion is one of the major causes of land degradation in arid and semi-arid areas like Ethiopia, including Tigray Highlands, which is highly affected by the risk of desertification. Tackling on-site effects of soil erosion requires understanding of the rates of soil loss as well as identification of the major controlling factors that accelerate or slow down these processes. The study aims to quantify the soil loss by erosion process and to specify the main factor affecting the Erosion development in the study area. The Study area was Kilte Awulaelo District which is situated in the eastern part of …


Gis Spatial Modeling For Land Degradation Assessment In Tigray, Ethiopia., Ahmed Harb Rabia A.H. Rabia May 2012

Gis Spatial Modeling For Land Degradation Assessment In Tigray, Ethiopia., Ahmed Harb Rabia A.H. Rabia

Ahmed Harb Rabia A.H. Rabia

Land degradation can be described as reduction in the present and prospective land quality and production, due to natural or anthropogenic dynamics. This phenomenon is one of the most important problems facing farmers and decision makers in several countries. This study aims to use GIS spatial modeling to quantify land (physically and chemically) degradation in the study area based on remotely sensed and field survey’s data. A GIS spatial model has been developed based on the LADA- FAO methodology to apply a land degradation assessment in the study area. Final land degradation map has been produced by combining the outputs …