Eyes on Earth Episode 17 – Evapotranspiration

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Eyes on Earth is a podcast on remote sensing, Earth observation, land change and science, brought to you by the USGS Earth Resources Observation and Science (EROS) Center. In this episode, we learn how EROS scientists use satellites to help manage water use.

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Color photo of Gabriel Senay with graphic for USGS EROS podcast Eyes on Earth

Gabriel Senay

Summary: It’s easy enough to measure rainfall, and nearly as easy to measure streamflow. Calculating the efficiency of water use through the metric of evapotranspiration (ET) – evaporation off the Earth’s surface and transpiration from the leaves of plants – is a far trickier proposal. In this episode, we hear how scientists use satellites like Landsat to measure ET, and how those measurements help guide water management decisions in the U.S. and around the world.

Guests: Gabriel Senay, Research Physical Scientist, EROS

Host: John Hult

Producer: John Hult

Release date: Feb. 24, 2020

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