Land Subsidence in the San Joaquin Valley

{Evidence of land subsidence in California’s San Joaquin Valley from 1925-1977. From the USGS}

The picture above tells the story of about 30 feet. That’s how much the ground has subsided in parts of the San Joaquin Valley (at least through 1977) because of water withdrawls and the resulting soil consolidation.

Recently, the LA Times reported that the ongoing drought in California might result in no agricultural water being delivered to more than 200 water districts in California.

I’m no expert on California water policy so I’m going to keep my comments brief. But to me, a system where we are growing cotton and rice with irrigated water doesn’t make much sense. Here’s hoping some smart people some where will figure this out, because I know artists are going to be limited to doing things like reposting ominous photos (see above) of what is going on.
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