I am back from Denmark and spent a pleasant afternoon yesterday down at the saltponds in the southern end of San Francisco Bay with me lads.
Here is a relatively high shot of the pond adjacent to the Don Edward's Headquarters. In this view the pond has been largely drained. Brownish waters are (I think) the influx of water with lower salinity. The orange/red colors are (I think) residual waters of higher salinity.
Salt Pond N1A