Land degradation/Description: Difference between revisions
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{{ComponentDescriptionTemplate | {{ComponentDescriptionTemplate | ||
|Reference=Oldeman et al., 1991; Batjes, 1997; Harris et al., 2013; | |Reference=Oldeman et al., 1991; Batjes, 1997; Harris et al., 2013; Batjes, 2009; FAO et al., 2009; | ||
|Description=Water erosion is the main cause of land degradation (1049 million hectares (Mha), followed by wind erosion (548 Mha), chemical degradation (239 Mha) and physical degradation (83 Mha) (GLASOD; [[Oldeman et al., 1991|Oldeman et al. (1991)]]). IMAGE assesses soil erosion by water ([[Hootsmans et al., 2001]]) by calculating a water erosion sensitivity index, ranging from zero (no erosion risk) to one (extremely high erosion risk). This risk is calculated for each grid cell as the compounded result from the following indices: | |Description=Water erosion is the main cause of land degradation (1049 million hectares (Mha), followed by wind erosion (548 Mha), chemical degradation (239 Mha) and physical degradation (83 Mha) (GLASOD; [[Oldeman et al., 1991|Oldeman et al. (1991)]]). IMAGE assesses soil erosion by water ([[Hootsmans et al., 2001]]) by calculating a water erosion sensitivity index, ranging from zero (no erosion risk) to one (extremely high erosion risk). This risk is calculated for each grid cell as the compounded result from the following indices: | ||
==A. Risk of soil erosion caused by water== | ==A. Risk of soil erosion caused by water== | ||
Revision as of 21:28, 19 May 2014
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