#Landsat 8 and 9 also measure land surface temperature with Thermal Infrared Sensor (TIRS) and TIRS-2. These data are crucial for water management and ice detection.
#DYK that TIRS almost didn’t exist? Now it’s been imaging Earth for over a decade! http://go.nasa.gov/3OSCDbH
#NASAEarth
Ten Years of TIRS: Data for a Thirsty World | Landsat Science
Landsat 8 very nearly flew without a thermal infrared sensor. This is the backstory of how TIRS made it onto Landsat 8.https://landsat.gsfc.nasa.gov/article/author/lrocchio/#author (Landsat Science)