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Maryland Groundwater Well Network (MGS & USGS)
This layer shows the locations of observation wells in Maryland, which monitor groundwater levels and provide data for understanding long-term water trends and aquifer... -
GALDIT: Groundwater Vulnerability Index for Cropland Areas (UMD)
This layer shows the vulnerability of Maryland’s aquifers and farmland to saltwater intrusion, based on the GALDIT index. The GALDIT framework evaluates coastal aquifer... -
Soil Loss Tolerance Factor (USDA NRCS SSURGO Soils 2019)
This layer shows the soil loss tolerance factor (T Factor) for soils in Maryland, as assessed in the Soil Survey Geographic (SSURGO) database. The data represent T Factor... -
Soil Type (USDA NRCS SSURGO Soils 2019)
This layer shows the classifications for soil type in Maryland, as classified in the Soil Survey Geographic (SSURGO) database. The data represent the spatial distribution and... -
Soil Erodibility Factor (USDA NRCS SSURGO Soils 2019)
This layer shows the erodibility factor (K Factor) for soils in Maryland, as assessed in the Soil Survey Geographic (SSURGO) database. The data represent K Factor values, which... -
Maryland Aquifers (USGS)
This layer shows the spatial extent of principal aquifers in Maryland, classified by aquifer name and type. Aquifer units include the Columbia aquifer, Chesapeake group, Aquia... -
Eastern Shore Cropland Salt Patches 2011 Corrected (Mondal et al. 2022)
This layer displays polygons representing salt patches on cropland fields on Maryland's Eastern Shore as of 2011. These salt patches highlight areas of cropland affected by... -
Eastern Shore Cropland Salt Patches 2017 Corrected (Mondal Mondal et al. 2022)
This layer displays polygons representing salt patches on cropland fields on Maryland's Eastern Shore as of 2017. These salt patches highlight areas of cropland affected by... -
Watershed Boundaries, 8 unit (NRCS)
This layer shows the 8-digit Hydrologic Unit Code (HUC-8) boundaries for Maryland, representing subbasin-level drainage areas. These boundaries define the surface water drainage... -
Maryland Hyper-Resolution Hydrography Agricultural Ditches (USGS)
This layer shows mapped agricultural ditches within Maryland, capturing human-made drainage features used to manage water on agricultural lands. The data represent the spatial... -
Stream Order (Derived from Bare Earth DEM 10m)
This layer depicts the stream order across Maryland, derived from the Bare Earth Digital Elevation Model (DEM) at at a 10 meter resolution using hydrological modeling... -
Maryland Counties (USDA NRCS 2015)
This layer shows the USDA NRCS administrative boundaries at the county level within the state of Maryland. Source: United States Department of Agriculture (USDA) Natural...
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