General and Current Hydrology
1. The U.S. Geological Survey’s National Water Information System (NWIS) is a network of websites that contains a wealth of hydrologic data and links to tools and resources. It has a very helpful data discovery site.
2. NWIS Web Services Snapshot is an ArcGIS add-in tool developed by the U.S. Geological Survey. It allows users to query the NWIS database and download subsets of the data into geodatabases.
3. The Western Water Assessment’s Intermountain West Climate Dashboard displays climate data graphics that are updated on a daily basis. These graphics include data for drought monitoring, current and forecasted streamflow and reservoir storage.
4. The U.S. Bureau of Reclamation’s Colorado River Basin Salinity Control Program contains publications and resources, including links to Colorado River Basin flow and salinity data, water quality reports and standards, and funding opportunity announcements.
Past Hydrology
5.
NOAA’s Historical Climate Trends product allows users to view trends in historical precipitation or temperature over specific geographical areas.
6.
The PRISM Climate Group website contains historical temperature and precipitation data (time range of 1890-2013). Downloadable gridded data are available in graphics and GIS files, and historical conditions for point locations can be queried through the
PRISM data explorer.
7.
TreeFlow is an online resource for tree-ring reconstruction of streamflow in the western United States. TreeFlow was created by Climate Assessment for the Southwest (CLIMAS), Western Water Assessment, and the Climate Impacts Group.
Future Hydrology
8.
The U.S. Bureau of Reclamation’s Streamflow Projections Data: time series projections based on CMIP3 climate projections are available for download and through an interactive map.
9.
Online gridded hydroclimate projections, corresponding to the monthly bias-corrected, spatially downscaled CMIP3 climate models currently hosted at the website of the Lawrence Livermore National Laboratory (LLNL). The datasets contain downloadable gridded and tabular time series. Hydroclimate variables include precipitation, snow water equivalent, evapotranspiration and total runoff. The datasets were developed for the Bureau of Reclamation's West-Wide Climate Risk Assessment project and were used to derive the Bureau's streamflow projections data.
