Dr. Eric Small  (Science Inquiries)

    Dr. Kristine Larson  (Engineering Inquiries)

/usr/local/apache/htdocs/i/dem/files/fig//NED13

Reflected GPS signals are sensitive to snow, soil moisture, and vegetation. The PBO H₂O Data Portal makes hydrologic products based on GPS data available directly through your web browser. For more information on how these environmental products were created and for tutorials on how to retrieve data, please see the portal documentation.