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Monthly Water Balance Model Futures Portal

Tool Overview: 

Simulations of future climate suggest profiles of temperature and precipitation may differ significantly from those in the past. Future changes in climate, specifically changes in temperature, and the type, timing, and distribution of precipitation may lead to changes in the hydrologic cycle. As such, natural resource managers are in need of tools that can provide estimates of key components of the hydrologic cycle, uncertainty associated with the estimates, and limitations associated with the climate data used to estimate these components. To help address this need, the U.S.

Hydrologic and Water Quality System (HAWQS)

Tool Overview: 

The Hydrologic and Water Quality System (HAWQS) is a web-based interactive water quantity and quality modeling system that employs as its core modeling engine the Soil and Water Assessment Tool (SWAT), an internationally-recognized public domain model. HAWQS provides users with interactive web interfaces and maps; pre-loaded input data; outputs that include tables, charts, and raw output data; a user guide, and online development, execution, and storage of a user's modeling projects.

Historical Climate Trends

Tool Overview: 

The Historical Climate Trends product provides a comparative seasonal or annual analysis for a specified climate division or state. Long term averages are taken from NCDC's monthly and annual temperature and rainfall datasets. These long term averages are depicted in each chart as a horizontal line in the middle of the chart. 5-year moving averages of seasonal (or annual) values are plotted in comparison to the long-term average as red or blue curves for temperature and green or brown curves for precipitation.

CMIP Climate Data Processing Tool

Tool Overview: 

The purpose of the U.S. Department of Transportation's Coupled Model Intercomparison Project (CMIP) Climate Data Processing Tool is to process readily available downscaled climate data at the local level into relevant statistics for transportation planners. This tool works with data used by the Downscaled CMIP3 and CMIP5 Climate and Hydrology Projections (DCHP) website. This website houses climate model data from phase 3 (CMIP3) and phase 5 (CMIP5) of the World Climate Research Programme.

Water Supply Stress Index (WaSSI) Ecosystem Services Model

Tool Overview: 

The Water Supply Stress Index (WaSSI) Ecosystem Services Model is an online tool that models potential impacts of climate change, land use change and water consumption alteration (i.e., population growth and water withdrawals) on flow volumes, water supply stress, and ecosystem productivity. The WaSSI Ecosystem Services Model can be used technically to model impacts in the United States, Mexico, Rwanda, and Burundi, but can also serve as an educational tool to demonstrate linkages between water use, climate change, water availability, and carbon storage.

Water Evaluation and Planning System (WEAP)

Tool Overview: 

The Water Evaluation and Planning (WEAP) System is a software tool designed to help users with integrated water resources planning. WEAP uses a GIS-based interactive platform to allow high user customization, and helps users generate, integrate, and analyze watershed-specific information related to water supply, demand, and quality, as well as ecological information.

EPA Water Erosion Prediction Project Climate Assessment Tool (WEPPCAT)

Tool Overview: 

WEPPCAT is a free, online erosion simulation tool that allows users to analyze potential stream sediment loading in response to various climate change and land management scenarios. WEPPCAT leverages the existing USDA Water Erosion Prediction Project (WEPP) Model, but has additional features that allow analysis of climate impacts and various land management practices on soil yield and loss.

Water Conservation Tracking Tool

Tool Overview: 

The Alliance for Water Efficiency (AWE) Water Conservation Tracking Tool is a program that allows water utilities to analyze various water conservation strategies and design conservation programs to maximize water savings and benefits while minimizing costs. The tool operates through Microsoft Excel and integrates real data from individual water utilities, allowing personalized and standardized analyses of water savings, costs, and benefits in two different units (i.e., English and metric).

Storm Water Management Model Climate Adjustment Tool (SWMM-CAT)

Tool Overview: 

SWMM-CAT allows users to evaluate climate change impacts on stormwater runoff volume and quality, and to explore how the application of various low-impact development (LID) options can be used to alter these hydrological parameters. SWMM provides a spatial and temporal analysis of runoff quality and quantity by dividing basins into multiple sub-catchment areas and analyzing runoff at different time steps.

National Stormwater Calculator

Tool Overview: 

The EPA Stormwater Calculator (SWC) is a desktop tool that can be used by individuals looking to reduce stormwater runoff at the local level. The SWC generates rainfall runoff volume and frequency estimates for any location in the United States or Puerto Rico using historic rainfall data, local soil properties, and land use cover inputs. Users can manipulate the land use category and evaluate how seven different green infrastructure methods can alter runoff volume and frequency on their property.

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