ABSTRACT:

This raster data layer was created to assist in mapping suitability for groundwater recharge potential throughout the State of Arizona.

The Soil Moisture Infiltration Index is a custom index created to discern where on the landscape water is likely to infiltrate into the soil, it is a weighted linear combination of Topographic Relative Moisture Index (TRMI) and Soil Saturated Hydraulic Conductivity (sKsat).

30m Resolution

ABSTRACT:

The Topographic Relative Moisture Index (TRMI) is a terrain-based index that estimates how wet or dry a location is likely to be based on its topographic attributes. TRMI incorporates several topographic parameters that influence moisture dynamics, including slope gradient, aspect, relative elevation (or topographic position), and landscape convexity or concavity [@parker1982]. Unlike purely hydrologic models (which might require soil or rainfall data), TRMI infers relative soil moisture patterns from topography. It’s based on the idea that topography controls moisture accumulation. This raster data layer was created to assist in mapping suitability for groundwater recharge potential throughout the State of Arizona.