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호주
Vulnerable Soils: Hillslope Water Erosion Hazard
Hillslope water erosion hazard was digitally mapped as part of the DPIPWE Water for Profit Program to enhance identification of Enterprise Suitability by effectively incorporating a sustainability measure of vulnerable soils. The mapping shows areas where a water erosion hazard might exist if sufficient groundcover is not maintained, which could lead to soil resource degradation through soil, organic matter and nutrient loss, resulting in sedimentation and contamination of drainage lines and waterways after significant rainfall and runoff events. Assigned classes are; Very Low, Low, Moderate, High, Very High and Extreme as classified ratings of a soil erosion. The index was generated as an erodibility factor (K) as part of the Revised Universal Soil Loss Equation (RUSLE), combining Digital Soil Mapping (DSM) inputs of the soil properties Coarse Fragments, Sand %, Silt %, Clay %, Organic Carbon %, Soil Permeability, and Soil Structure, with Slope and Slope-Length (from the SRTM Digital Elevation Model). The mapping covers the entire state of Tasmania at 30m resolution.
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연관 데이터
Agriculture Resource Management and Assessment - Soil landscape land quality - Water Erosion Risk (DPIRD-013)
공공데이터포털
Water Erosion risk mapping derived from land quality attribution associated with soil-landscape mapping at the subsystem/phase level. See Resource Management Technical Report 298, Section 2.15, Department of Agriculture, 2005.
Agriculture Resource Management and Assessment - Soil landscape land quality - Flood Risk (DPIRD-007)
공공데이터포털
Flood risk mapping derived from land quality attribution associated with soil-landscape mapping at the subsystem/phase level. See Resource Management Technical Report 298, Section 2.2, Department of Agriculture, 2005. This version updates two previous versions (metadata dates 08/09/2003 and 29/04/2004).
Water Erosion Risk
공공데이터포털
This map displays the risk of soil degradation by water in the agricultural region of Alberta. Water erosion is a concern because it reduces soil quality by removing soil particles and nutrients, and reduces water quality if these particles are carried into nearby water bodies. The map uses five classes to describe the water erosion risk on bare, unprotected mineral soil: negligible, low, moderate, high and severe.This resource was created using ArcGIS, originally published as a print map in 1993 .
Agriculture Resource Management and Assessment - Soil landscape land quality - Waterlogging Risk (DPIRD-015)
공공데이터포털
Waterlogging Risk mapping derived from land quality attribution associated with soil-landscape mapping at the subsystem/phase level. See Resource Management Technical Report 298, Section 2.20, Department of Agriculture, 2005. This version updates two previous versions (metadata dates 08/09/2003 and 29/04/2004).
Soil Erosion Risk
공공데이터포털
This map displays an assessment of soil erosion risk for the agricultural area of Alberta. Loss of protective residue cover through cultivation will increase the potential risk of soil erosion. The vulnerability of the soil to erosion combined with the intensity of cultivation determines the degree to which the soil may be at risk. The classes shown on the map were ranked from 0 (lowest risk) to 1 (highest risk). This resource was created in 2002 using ArcGIS.