Toby Welborn


Toby Welborn is a geographer at the Nevada Water Science Center of the U.S. Geological Survey.  He graduated in 2003 with a Master’s in Applied Geography from Texas State University San Marcos where he studied slope stability mapping in the Rouge River Valley, Oregon. Mr. Welborn has had extensive training in geographic information sciences and remote sensing in mountainous terrain.  For the past 10 years, he has worked on a wide range of groundwater, surface water, and water quality projects with both the Texas and Nevada Water Science Centers of the U.S. Geological Survey including GIS and database development for the National Water Quality Assessment program; assessing subsidence due to groundwater withdrawals utilizing LiDAR and historical elevation surveys from the 19th century in Harris County, Texas; mapping agricultural land use changes in the Walker, Carson, and Humboldt river basins, Nevada; utilizing Differential GPS to help quantify groundwater and surface water interaction along the Carson River, NV; and coordinating the collection of LiDAR data for the Lake Tahoe Basin, NV and CA.