ECOsystem Spaceborne Thermal Radiometer Experiment on Space Station
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ECOSTRESS Maps LA's Hot Spots

ECOSTRESS captured new imagery of variations in surface-temperature patterns in Los Angeles County.

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September 18, 2018

FEATURE: 2018-217

NASA's ECOsystem Spaceborne Thermal Radiometer Experiment on Space Station (ECOSTRESS) captured new imagery of variations in surface-temperature patterns in Los Angeles County. The first of its kind to be taken by one of the agency's newest Earth-observing mission, it is more detailed than previous imagery and, unlike prior imagery, was acquired at different times of the day.
LA scene

ECOSTRESS measures surface temperature -- the temperature you would feel if you touched the surface of something -- rather than the air temperature typically reported by weather stations. The images were acquired throughout the day between July 22 and Aug. 14 during an extended period of high temperatures in the Los Angeles area.

Cooler temperatures appear in blue, and warmer temperatures are shown in red. In the image taken July 22 at 4:07 a.m., the hottest (reddest) areas are dark asphalt surfaces that are unshaded during the day and remain warm throughout the night. They include freeways, airports, oil refineries and parking lots. The cool (blue) areas are clouds and higher-elevation mountainous regions (dark blue).  ...Read More

LA heat area

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