Tuesday, March 14, 2017

Snow flow

Oroville Dam managers plan to use mangled spillway

Much of the debris below the damaged main Oroville Dam spillway has been scooped out of the Diversion Pool. KELLY M. GROW / Department of Water Resources


Chico Enterprise-Record & San Francisco Chronicle

The Department of Water Resources is planning to resume flows this week through Oroville Dam's damaged main spillway, and warns that Feather River flows will increase to 40,000 to 50,000 cubic feet per second. The massive mountain snowpack above Oroville Dam is beginning to melt and could soon test the troubled reservoir with its biggest inflows since last month's crisis.


Early-warning system to predict red tides possible

Science Daily

A student-led Scripps research team analyzed data on the primary pigment in algae and found that red tides are not purely random. This new study offers opportunities to predict these harmful algal blooms that could not be forecast using traditional ecological modeling methods.


Climate change complicates whole dam debate

Scientific American

More than 4,000 dams in the U.S. are now rated unsafe because of structural or other deficiencies. About 700 dams have been taken down during the past decade, with overwhelmingly beneficial results for river species and ecosystems. Now, however, a new study takes the science of dam removal in an unexpected direction.