Summer flows in streams and rivers occur at the time of year characterized by warm temperatures, little rainfall, and depleted snow packs, and when water demands are greatest yet supply is lowest. Some seasonal variation in summer stream flows is normal, but exceptionally low flows exacerbated by development that draws water away from streams in the summer can cause problems for salmon and people. This Vital Sign helps us track the effects of climate change and variability on stream flows and whether or not management actions intended to reduce withdrawals and increase recharge in developed areas are working to restore summer flows.
VITAL SIGN INDICATOR | PROGRESS | STATUS |
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VITAL SIGN INDICATOR | PROGRESS | STATUS |
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