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2. Cut and fill - Wikipedia

   en.wikipedia.org/wiki/Cut_and_fill

   A mass haul diagram where land and rock cuts are hauled to fills Fill construction in 1909 Cut & Fill Software showing cut areas highlighted in red and fill areas shaded in blue. In earthmoving , cut and fill is the process of constructing a railway , road or canal whereby the amount of material from cuts roughly matches the amount of fill ...

3. Runoff curve number - Wikipedia

   en.wikipedia.org/wiki/Runoff_curve_number

   The runoff curve number is based on the area's hydrologic soil group, land use, treatment and hydrologic condition.References, such as from USDA [1] indicate the runoff curve numbers for characteristic land cover descriptions and a hydrologic soil group.

4. Land cover maps - Wikipedia

   en.wikipedia.org/wiki/Land_cover_maps

   A supervised classification is a system of classification in which the user builds a series of randomly generated training datasets or spectral signatures representing different land-use and land-cover (LULC) classes and applies these datasets in machine learning models to predict and spatially classify LULC patterns and evaluate classification accuracies.

5. Land cover - Wikipedia

   en.wikipedia.org/wiki/Land_cover

   Land cover is the physical material at the land surface of Earth. Land covers include flora , concrete , built structures, bare ground, and temporary water . Earth cover is the expression used by ecologist Frederick Edward Clements that has its closest modern equivalent being vegetation .

6. Topsoil - Wikipedia

   en.wikipedia.org/wiki/Topsoil

   An optimum figure for topsoil in the UK is a C:N ratio of less than 20:1. ... erosion through the use of cover crops in order to build organic matter in the soil. The ...

7. Infiltration (hydrology) - Wikipedia

   en.wikipedia.org/wiki/Infiltration_(hydrology)

   Vegetative cover of the land also impacts the infiltration capacity. Vegetative cover can lead to more interception of precipitation, which can decrease intensity leading to less runoff, and more interception. Increased abundance of vegetation also leads to higher levels of evapotranspiration which can decrease the amount of infiltration rate ...