Monitoring how much water is diverted from rivers and pumped from wells is notoriously difficult. But now, researchers have developed a new way to track usage.
"[A] tool developed by the Idaho Department of Water Resources and the University of Idaho is changing the face of water management and conservation by efficiently offering specific measurements of the water consumed across a large region or single field.
Using surface temperature readings from government satellites, air temperature and a system of algorithms, the new method lets officials measure how much water is "consumed" on a certain piece of land through evapotranspiration. Evapotranspiration is a combination of the evaporation of water into the atmosphere and the water vapor released by plants through respiration -- basically, a measurement of the water that leaves the land for the atmosphere, not water that is diverted or pumped onto land but then returned quickly to the water table or river for other users."
By monitoring how much water is naturally reclaimed by the system, researchers can extrapolate how much is being diverted or otherwise used.
FULL STORY: Water Measured From the Sky

Maui's Vacation Rental Debate Turns Ugly
Verbal attacks, misinformation campaigns and fistfights plague a high-stakes debate to convert thousands of vacation rentals into long-term housing.

Planetizen Federal Action Tracker
A weekly monitor of how Trump’s orders and actions are impacting planners and planning in America.

San Francisco Suspends Traffic Calming Amidst Record Deaths
Citing “a challenging fiscal landscape,” the city will cease the program on the heels of 42 traffic deaths, including 24 pedestrians.

Defunct Pittsburgh Power Plant to Become Residential Tower
A decommissioned steam heat plant will be redeveloped into almost 100 affordable housing units.

Trump Prompts Restructuring of Transportation Research Board in “Unprecedented Overreach”
The TRB has eliminated more than half of its committees including those focused on climate, equity, and cities.

Amtrak Rolls Out New Orleans to Alabama “Mardi Gras” Train
The new service will operate morning and evening departures between Mobile and New Orleans.
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