Studies on the assessment of land degradation, overland flow, soil loss, and nutrient loss have emerged as paramount importance for food security rural livelihood in mountains. The present study dealt with similar issues Eastern Himalayas, which primary data were collected from field during 2017–18. Quantitative qualitative methods used to collect erosion information was assessed through experi...

A new method for extracting the drainage network from a digital elevation model (DEM) is presented. It is based on the well-known D8 approach that simulates the overland flow but uses a more elaborate water transfer model that is inspired by the natural behaviour of water. The proposed solution has several advantages: it works on unprocessed DEMs avoiding the problems caused by pits and flats, ...