EcoService Models Library (ESML)

Document: HAWQS 1.0 (Hydrologic and Water Quality System) modeling framework (Doc-445)

445
Authors
United States Environmental Protection Agency
Year
2019
Title
HAWQS 1.0 (Hydrologic and Water Quality System) modeling framework
Document Type
Manuscript
Place Published
Washington DC
Publisher
Office of Water
Pages
88
Abstract
The Hydrologic and Water Quality System (HAWQS) is a web-based interactive water quantity and water quality modeling system that employs the internationally-recognized public domain model Soil and Water Assessment Tool (SWAT) as its core modeling engine. HAWQS provides users with: Interactive web interfaces and maps Pre-loaded input data Output data (including tables, charts, graphs, and raw data) A user guide Online development, execution, and storage for users modeling projects HAWQS enables use of SWAT to simulate the effects of management practices based on an extensive array of crops, soils, natural vegetation types, land uses, and climate change scenarios for hydrology and the following water quality parameters: Sediment Pathogens Nutrients Biological oxygen demand Dissolved oxygen Pesticides Water temperature HAWQS users can select from three watershed scales, or hydrologic unit codes (HUCs)—small (HUC 12), medium (HUC 10), and large (HUC 8)—to run simulations. HAWQS allows for further aggregation and scalability of annual, monthly, and daily estimates of water quality across large geographic areas up to and including the continental United States. The United States Environmental Protection Agency (USEPA) Office of Water (OW) supports and provides project management and funding for HAWQS. The Texas A&M University Spatial Sciences Laboratory and EPA subject matter experts provide ongoing technical support including system design, modeling, and software development. The United States Department of Agriculture (USDA) and Texas A&M University jointly developed SWAT and have actively supported the model for more than 25 years. The system was developed to meet the needs of the USEPA Office of Water. It can also be employed by other Federal Agencies, State and local governments, academics, and contractors.
URL Exit
https://www.epa.gov/waterdata/hawqs-hydrologic-and-water-quality-system
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