In this study, we applied the detailed map of soil erosion that was generated using ETM+ images and ground sampling by Forest Range and Watershed Management Organization of Iran.
The rationale behind the DSI equation is explained and the examples of temporal and spatial data visualisation products presented include; a long term national wind erosion record (1965 2011), continental DSI maps, and maps of the erosion event types that are factored into the DSI equation.
We applied this methodology to a debris-flow-prone area in the Oregon Coast Range, USA, where detailed mapping revealed areas of erosion and deposition along paths of debris flows that occurred during a large storm in 1996.
The map of spatial distribution of erosion hazard showed that, in terms of both onsite and offsite effects, a major part of the watershed (around 65%) had experienced an erosion rate lower than the erosion tolerance threshold; hence, these areas were not faced with erosion hazard.
Soil mapping showed the degree of erosion of Luvisols and the resulting mosaic of different erosion and accumulation patterns.
Based on these qualitative and quantitative analysis, a regime map for prediction of erosion-corrosion phenomena in pipes is established as a function of inlet flow conditions for both the phases.
Here, staring back at me, are all the "stigmata of aging," as Imber calls them, a map of ruin delineating the erosions left by time, sun and life experience: laugh lines, worry lines, furrows, nasolabial folds, hooded upper eyelid skin, decreased firmness in the jaw line and -- God help me -- the neck.
From the 2004 erosion map, we observed that the spatial distribution of erosion, for the thirty-year period after planting, was mainly controlled by lithology and historical landscape structure, whatever the slope.
This study was conducted in the Geleda watershed of the Blue Nile basin in the northwestern highlands of Ethiopia to measure erosion rates and map out erosion risks for prioritization of conservation measures.
