Organic Matter Research Lab
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Organic Matter Research Lab
Organic Matter Research Lab
Horiba Aqaulog
Horiba Aqaulog - simultaneously measures absorbance spectra and fluorescence
Horiba Aqaulog - simultaneously measures absorbance spectra and fluorescence
TOC-L Laboratory Total Organic Carbon Analyzer
TOC-L Laboratory Total Organic Carbon Analyzer
TOC-L Laboratory Total Organic Carbon Analyzer
Cary 300 Spectrophotometer
Cary 300 Spectrophotometer
Cary 300 Spectrophotometer
Carbon Lab
Carbon Lab
Laminar Flow hood in Carbon Lab
Laminar Flow hood in Carbon Lab
Laminar Flow hood in Carbon Lab
Fume Hood in Carbon Lab
Horiba Aqaulog - simultaneously measures absorbance spectra and fluorescence Excitation-Emission Matrices
Horiba Aqaulog - simultaneously measures absorbance spectra and fluorescence Excitation-Emission Matrices
Trace Metals Lab
Trace Metals Lab
Trace Metals Lab fume hood
Trace Metals Lab fume hood
Trace Metals Lab fume hood
Groundwater Response to the Ridgecrest, CA Earthquakes
Locations of the July 2019 Ridgecrest, CA earthquake epicenters and five USGS groundwater-monitoring sites with corresponding hydrographs. Effects from the two earthquakes were observed in several USGS continuous groundwater-level monitoring sites in California, Nevada, and Arizona.
Locations of the July 2019 Ridgecrest, CA earthquake epicenters and five USGS groundwater-monitoring sites with corresponding hydrographs. Effects from the two earthquakes were observed in several USGS continuous groundwater-level monitoring sites in California, Nevada, and Arizona.
Streamgage Solar Panel Installation for Continuous Data Collection
Sierra Keller, Physical Science Technician, and Sharon Mulready, Student Trainee, both of the USGS California Water Science Center's Santa Cruz Field Office, install a solar panel on a rural streamgage station along the Arroyo Seco near Greenfield in Monterey County, California.
Sierra Keller, Physical Science Technician, and Sharon Mulready, Student Trainee, both of the USGS California Water Science Center's Santa Cruz Field Office, install a solar panel on a rural streamgage station along the Arroyo Seco near Greenfield in Monterey County, California.
Collecting Geophysical Data, Fort Irwin National Training Center
USGS Hydrologist, Krishangi Groover, lays wire in preparation for geophysical data collection at the U.S.
USGS Hydrologist, Krishangi Groover, lays wire in preparation for geophysical data collection at the U.S.
Road Damage from the Ridgecrest, CA Earthquake
On July 8, 2019, California Geological Survey and USGS geologists and geophysicists with National Guard and Navy personnel, view the road damage resulting from 3 to 5 feet of right-lateral motion near the expected maximum slip locality along the primary tectonic rupture associated with the M 7.1 Ridgecrest earthquake on July 5, 2019.
On July 8, 2019, California Geological Survey and USGS geologists and geophysicists with National Guard and Navy personnel, view the road damage resulting from 3 to 5 feet of right-lateral motion near the expected maximum slip locality along the primary tectonic rupture associated with the M 7.1 Ridgecrest earthquake on July 5, 2019.
Mt. Diablo as seen from Twitchell Island
Mt. Diablo as seen from Twitchell Island
Mt. Diablo as seen from Twitchell Island
Close-up of a wetland, showing multiple sources of DOM
Close-up of a wetland, showing multiple sources of DOM
Close-up of a wetland, showing multiple sources of DOM
Vegetation Growth at a Once-Flooded Santa Ynez River
Vegetation grows abundantly on a once-flooded region of the Santa Ynez River. Located 5 ft adjacent from this picture is the actual flowing region of the stream. It is impressive to see the abrupt change in vegetation near stream environments.
Vegetation grows abundantly on a once-flooded region of the Santa Ynez River. Located 5 ft adjacent from this picture is the actual flowing region of the stream. It is impressive to see the abrupt change in vegetation near stream environments.
Measuring Stream Discharge with Acoustic Doppler Current Profiler
The USGS maintains and monitors hundreds of streamgages across California, as well as across the Nation. Nearly all data collected by the USGS is made public and most in near real-time. Cities can use the data for flood mitigation and water supply.
The USGS maintains and monitors hundreds of streamgages across California, as well as across the Nation. Nearly all data collected by the USGS is made public and most in near real-time. Cities can use the data for flood mitigation and water supply.
California Aqueduct, San Joaquin Valley
The California Aqueduct flowing near Huron, CA in the San Joaquin Valley. This spot is near one of several USGS land subsidence monitoring stations in the San Joaquin Valley.
The California Aqueduct flowing near Huron, CA in the San Joaquin Valley. This spot is near one of several USGS land subsidence monitoring stations in the San Joaquin Valley.
Drying table with clean dishes
Drying table with clean dishes
Drying table with clean dishes
Samples being analyzed on the Aqualog spectrometer
Samples being analyzed in a sealed quartz cuvette on the Aqualog spectrophotometer
Samples being analyzed in a sealed quartz cuvette on the Aqualog spectrophotometer
USGS Scientists taking sediment core at Six Gill Slough restored marsh
USGS Scientists taking sediment core USGS Scientists taking sediment core at Six Gill Slough restored marsh.
USGS Scientists taking sediment core USGS Scientists taking sediment core at Six Gill Slough restored marsh.