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Explore the importance of evaporation in Texas, the impact on water resources, and reliable sources of evaporation data. Learn about the monitoring efforts, reservoir capacity variations, and the comparison of evaporation to drought water loss in Lake Grapevine.
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Evaporation in Texas CE 394K.2 Spring 2007
Evaporation In Texas • Evaporation is an important component of the hydrological cycle. • Globally volumes evaporating in reservoirs exceeded the volume consumed to meet both domestic and industrial needs. CE 394K.2 - Spring 2007 Smith
Evaporation In Texas • Several groups monitor evaporation in Texas. • Texas has77 reservoirs • 98 percent of total conservation storage • Must have a capacity of 5,000 acre-feet or more. CE 394K.2 - Spring 2007 Smith
Evaporation Data • Pan Evaporation • Army Corp of Engineers • Texas Water Development Board • NARR Data • Evaporation • Potential Evaporation CE 394K.2 - Spring 2007 Smith
Lake Grapevine CE 394K.2 - Spring 2007 Smith
Capacity Variations inLake Grapevine CE 394K.2 - Spring 2007 Smith
Evaporation Impact on Lake Grapevine CE 394K.2 - Spring 2007 Smith
Observed Data Compared to Calculated Values CE 394K.2 - Spring 2007 Smith
Evaporation in Lake Grapevine Over Time Potential Evaporation Evaporation
Comparing Methods by Maximum Temperature CE 394K.2 - Spring 2007 Smith
Conclusions • Evaporation has a substantial impact on Texas’s water resources and water planning • There are several reliable sources of evaporation data for Texas • NARR Data • Army Corps of Engineers CE 394K.2 - Spring 2007 Smith
Any Questions? CE 394K.2 - Spring 2007 Smith
Evaporation in Texas CE 394K.2 - Spring 2007 Smith