Images

High flows at streamgage 11172945 (Alameda Creek above Div Dam near Sunol, California) were captured by USGS hydrologic technician Louis Cannarozzi on 12/31/2022. Heavy precipitation caused higher-than-normal streamflow in many areas as an atmospheric river moved through northern California.

USGS hydrologic technician Travis Hiett measures streamflow using a truck mounted boom and price AA meter at the Cosumnes River at Michigan Bar, California on December 31, 2022. Travis captured the highest direct measurement ever recorded at this site—63,700 cubic feet per second—in over 100 years of record.

The Consumes River experienced record streamflow over the 2022 New Year's holiday weekend as an atmospheric river moved through northern California.  Crews captured the highest direct measurement ever recorded at this site—63,700 cubic feet per second—in over 100 years of record. (Credit: Susan Brockner, USGS. Public domain.) 

Figure 5. Soil moisture sensors installed in a soil moisture monitoring pit as part of a USGS monitoring station for real-time soil moisture monitoring. Photo credit: Michelle Stern, USGS.

Photos during the construction of one of the LoRa-cellular gateway antenna towers in the Feather River Watershed.

The MODFLOW-2005 framework branched into multiple specialized versions that are combined form the MODFLOW One-Water Hydrologic Flow Model (MF-OWHM).

Map showing principal aquifers (PAs) and wells that were sampled as part of a Nationwide assessment of the quality of groundwater used for public supply.  

Remotely sensed chlorophyll estimates during the 2022 HAB event (mg m^-3). Data are from the ESA Sentinel-3 satellite and are processed using a locally tuned algorithm for San Francisco Bay.

Webcam image and hydrograph from Truckee River webcam. Truckee River at Boca Bridge near Truckee, CA.

USGS scientist Michelle Sneed explaining the extensometer to group from the 2022 Water Education Foundation Central Valley Tour.

Kamahu’ehu’e Pond is covered in non-native pickleweed on the southeast coast of Moloka’i, Hawai’i.

Bees gathering pollen on a wildflower near an agricultural location in Northern California. 

Rock Drought Barrier on West False River, near Frank's Tract in California's Sacramento-San Joaquin Delta.

Bees gathering pollen on tree blossoms near an agricultural location in Northern California. 

Info graphic showing the various matrices sampled for this project and how bees might be exposed to pesticides.

Photo showing a harmful algal bloom (also known as “blue algae”) on the surface of Clear Lake. Photo by Nick Framsted, UC Davis.

Keswick Reservoir, on the Sacramento River near Redding, receives both water and contaminants via outflow from an upstream dam. Information is needed on dilution rates and how these vary with hydrological/meteorological forcing and reservoir management.

Backhoe being used to breach historic dike in order to restore tidal hydrology at White Slough Unit.

Beneficial re-use of sediment to fill subsided areas and restore elevations that support marsh vegetation at White Slough Unit.

Methods of addressing problems of subsidence and increasing carbon storage at White Slough include: 1] reuse of sediment to fill subsided areas and restore elevations that support marsh vegetation (left), and 2] breaching historic dikes in order to restore tidal hydrology (right).

Distressed vineyard in Coachella Valley, Calif. Picture taken by Kelly M. Grow of the California Department of Water Resources.