Thursday, January 21, 2021

Rio Grande Difficulties - Las Cruces

Interesting article about drought in New Mexico, particularly about Las Cruces:
In the past, the Rio Grande would run through Las Cruces for the irrigation season from February to October. But last year, the river didn’t flow until March, and was dry by September. In 2021, the Elephant Butte Irrigation District (Ebid), in charge of measuring and releasing water to Las Cruces from upstream dams, estimated that water levels will be so low they won’t arrive until June and it will probably be gone again at the end of July. 
A finite amount of water flows through the Rio Grande every year, so when there are shortages, every city along the river is affected. Due to climate change, hotter and drier seasons are reducing the snowpack that melts to feed the Rio Grande, and rising temperatures are increasing evaporation from the reservoirs. Because of this, the river has had just seven years with a “full supply” of water in the past 20, and only two in the past decade.

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