Supporting informed responses to drought
Monitoring tools help resource managers prepare for and reduce the impacts of
The impacts of drought on water resources, plants and wildfire, agriculture, and the economy are complex and occur over many timescales, underscoring the
These products are consulted each week by the USDM map team as they assemble the national USDM map and summary narrative, which sets the standard for communicating the location and intensity of drought to a broad audience. Weekly national USDM maps are the most widely consulted gauge of drought conditions across the country, used by policy makers, state drought task forces, media, farmers, and ranchers. Since 2012, the USDM has been used to trigger aid tied to the Farm Bill that has supported ranchers and farmers impacted by drought.
1 Brown, J.F., B. Wardlow, T. Tadesse, M. Hayes, and B.C. Reed. 2008. "The Vegetation Drought Response Index (VegDRI): A new integrated approach for monitoring drought stress in vegetation." GIScience and Remote Sensing 45 (1):16-46. doi: 10.2747/1548-1603.45.1.16.
2 Tadesse, T., B. D. Wardlow, J. F. Brown, M. D. Svoboda, M. J. Hayes, B. Fuchs, and D. Gutzmer. 2015. "Assessing the vegetation condition impacts of the 2011 drought across the U.S. southern great plains using the vegetation drought response index (VegDRI)." Journal of Applied Meteorology and Climatology 54 (1):153-69. doi: 10.1175/JAMC-D-14-0048.1.