Entries by JoeT

Sacramento/San Joaquin Delta 3D Mapping Project

In October of 2017, the Freshwater Map team traveled to Sacramento, California to take detailed measurements of the Sacramento River from Clarksburg to Isleton, about 21 river miles.  We measured the bathymetry, 3D flow, temperature and hundreds of other parameters over the same reach on three consecutive days to determine how the river changed over […]

Flathead Lake Habitat Enhancement

  Freshwater map has been working on Flathead Lake for many years.  Our latest project focused on erosion control at the north end.  High water levels during winter storms had been causing erosion on the north shore as southern wind-driven waves hit the gravel shoreline.  Freshwater Map designed and managed the installation of dynamic revetments […]

Dry Creek, Sonoma County, CA

  Dry Creek is a tributary to the Russian River in Sonoma County in Northern California’s wine country.  The relatively short (12 miles) trib runs from Warm Springs Dam to the Russian just west of downtown Healdsburg.  The deeply incised channel runs through spectacular vineyards and, in the past, has been the site of gravel […]

Dams in the US in need of repair

Today’s New York Times has a very interesting article detailing some of the challenges of aging dam infrastructure in the US.  Dams are a mixed blessing.  They can provide enormous benefits through flood control, renewable energy, regulation of flow for barge traffic to get agricultural commodities to market, recreation, and water for agricultural irrigation during […]