locally released norepinephrine binds to alpha 1 receptors in arterioles to restrict blood flow and generally to increase blood pressure.
Friday (9/9). Spillway gates will be opened at 10 a.m. Monday (9/12) to release 1,000 cubic feet per second through the spillway, which runs from the lake to the Lackawaxen River. The release rate will be increased gradually to 2,000 cubic feet per second, and held at that level.
Streamflows in the Hanford Reach are intentionally limited during the fall chinook spawning season (October-November), with the stated goal of confining spawning activity to lower river elevations that can be maintained through the winter/spring incubation and emergence time period (through mid-June).