'We’re really flying blind.' Researchers examined where California has gauges measuring the flow of rivers and streams. They found many streams are unmonitored.
In the face of climate change and worsening cycles of drought, California water managers have been increasingly focused on the precise tracking of water resources. Snowpack in the Sierra Nevada is measured with sensors and aerial images, reservoir levels are electronically logged, and the movement of water through aqueducts is apportioned based on rights and contracts. Yet there is another key water metric that California has never adequately measured: the flow of rivers and streams.
” Their analysis also found regional differences, with more gauges on streams that are heavily used for agriculture in the Central Valley, and significantly less monitoring in other areas, such as streams in parts of the Sierra Nevada, Southern California, the North Coast, the North Lahontan region and the Scott and Shasta rivers in the Klamath River basin. These differences in regional data gathering are a significant problem, the authors said.
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