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Demonstration of The Kineros2-Rhem-Agwa Suite of Modeling Tools
KINEROS2 (K2), developed by the USDA-Agricultural Research Service, is a spatially distributed rainfall-runoff erosion watershed model has been in use for a number of decades. Model improvement has continued for a variety of projects and purposes resulting in an informal suite of K2-based modeling tools. Like any detailed, distributed watershed modeling tool, the K2 suite of tools can require considerable time to delineate watersheds, discretize them into modeling elements and then parameterize these elements. These requirements motivated the development of the Automated Geospatial Watershed Assessment (AGWA) tool (see: www.tucson.ars.ag.gov/agwa or https://www.epa.gov/water-research/automated-geospatial-watershed-assessment-agwa-tool-hydrologic-modeling-and-watershed). AGWA is a GIS interface jointly, developed by the USDA-Agricultural Research Service, the U.S. Environmental Protection Agency, the University of Arizona, and the University of Wyoming to automate the parameterization, execution, and visualization of simulation results of a suite of hydrologic and erosion models (K2, and SWAT) using nationally available data or user provided input. A number of model improvements have been added since the 2019 SEDHYD meeting. They include the incorporation of the RHEM hillslope hydrology and erosion model, the ability for continuous model simulation and a snow component. All these components can be driven by stochastically generated climate variables from CLIGEN. The Climate Assessment Tool (CAT) available in AGWA alters CLIGEN parameters to produce realistic future climate scenarios including intensification. The objectives of this demonstration are to: 1) Allow users to become more familiar with K2-AGWA; 2) Provide visualization of RHEM, snow, and interactive runoff-infiltration and erosion dynamics; and, 3) Display the ArcGIS Pro version of AGWA.