introducing different flow direction algorithms to map topographic wetness index and soil organic carbon in a loess hillslope of toshan area, golestan province, iran
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Terrain attributes derived from digital elevation models have been used widely for mapping soil organic matter (SOM). Among these attributes, the topographic wetness index (TWI), an index for quantitatively indicating the balance between water accumulation and drainage conditions at the local scale, has been shown to correlate with SOM. However, TWIs used in most studies are calculated using a ...
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The topographic wetness index (TWI), frequently used in approximately characterizing the spatial distribution of soil moisture and surface saturation within a watershed, has been widely applied in topography-related geographical processes and hydrological models. However, it is still questionable whether the current algorithms of TWI can adequately model the spatial distribution of topographic ...
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Journal title:
پژوهش های حفاظت آب و خاکجلد ۲۱، شماره ۱، صفحات ۱۴۵-۱۶۲
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