Wednesday, January 19, 2011

Runoff turns Elliott Bay into murky stew

Chris Wilke drops a Secchi Disc into the Duwamish River, measuring the turbidity of the stream that is dumping muddy runoff into Elliott Bay. Rain-driven erosion and landslides have swept sediment into the water. In addition, there have been high water releases at Howard Hanson Dam, to make room in its reservoir for the next round of rain.