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These four images show the change in the area and level of water at the bottom of Halema‘uma‘u spanning August 9 to 13. Rocks in the center of the pond and near the shoreline help show the change in the waterline.
These four images show the change in the area and level of water at the bottom of Halema‘uma‘u spanning August 9 to 13. Rocks in the center of the pond and near the shoreline help show the change in the waterline.
The SCREE team gathered around John Weisheit overlooking Rapid 15. John Weisheit is a river guide who has made over 400 trips through Cataract Canyon. He is describing to the SCREE team the line to take through the forthcoming sets of rapids.
The SCREE team gathered around John Weisheit overlooking Rapid 15. John Weisheit is a river guide who has made over 400 trips through Cataract Canyon. He is describing to the SCREE team the line to take through the forthcoming sets of rapids.
Image of the Taku towers, among the Taku Range at Taku Glacier during the summer of 2019
Image of the Taku towers, among the Taku Range at Taku Glacier during the summer of 2019
Close-up of a wetland, showing multiple sources of DOM
Close-up of a wetland, showing multiple sources of DOM
Mt. Diablo as seen from Twitchell Island
This video describes the survey requirements for culvert indirect measurements, specifically how to measure various aspects of the culvert itself. This video provides a general overview of how to survey culvert attributes, such as the invert and length.
This video describes the survey requirements for culvert indirect measurements, specifically how to measure various aspects of the culvert itself. This video provides a general overview of how to survey culvert attributes, such as the invert and length.
Tess Harden and Rick Moscati (the USGS participants for this river segment) pose for a "selfie" in front of the "Danger" sign preceeding Cataract Canyon.
Tess Harden and Rick Moscati (the USGS participants for this river segment) pose for a "selfie" in front of the "Danger" sign preceeding Cataract Canyon.
Photograph of a Hawai'ian forest near the youngest site along the Hawai'ian Long Substrate Age Gradient used in this study. This forest is on the big island of Hawai'i in Volcanoes National Park.
Photograph of a Hawai'ian forest near the youngest site along the Hawai'ian Long Substrate Age Gradient used in this study. This forest is on the big island of Hawai'i in Volcanoes National Park.
The USGS Ecosystems Mission Area brings you Outstanding in the Field, a series of stories about our science, our adventures, and our efforts to better understand our fish and wildlife and the ecosystems that support them.
The USGS Ecosystems Mission Area brings you Outstanding in the Field, a series of stories about our science, our adventures, and our efforts to better understand our fish and wildlife and the ecosystems that support them.
Photographs from a Ross’s Goose (Chen rossii) found dead in Kansas, US. (A) Petechial hemorrhages along the coronary groove of the epicardium (arrowheads) and military pinpoint tan foci on the capsular surface of the liver (arrows). (B) Abundant creamy stringy yellow mucoid material (*) fills the lumen of the intestine.
Photographs from a Ross’s Goose (Chen rossii) found dead in Kansas, US. (A) Petechial hemorrhages along the coronary groove of the epicardium (arrowheads) and military pinpoint tan foci on the capsular surface of the liver (arrows). (B) Abundant creamy stringy yellow mucoid material (*) fills the lumen of the intestine.
Photomicrographs from a Ross’s Goose (Chen rossii) found dead in Kansas, US. (A) Multifocally, there are hemorrhages (arrowheads) admixed with bacteria (arrows) in the adipose tissue along the coronary groove of the heart. H&E stain. (B) Necrotic hepatocytes (*) and bacteria (arrows) are present in the liver. H&E stain.
Photomicrographs from a Ross’s Goose (Chen rossii) found dead in Kansas, US. (A) Multifocally, there are hemorrhages (arrowheads) admixed with bacteria (arrows) in the adipose tissue along the coronary groove of the heart. H&E stain. (B) Necrotic hepatocytes (*) and bacteria (arrows) are present in the liver. H&E stain.
Brent Cunningham with Desert Tortoise in Ridgecrest, CA.
Brent Cunningham with Desert Tortoise in Ridgecrest, CA.
The SCREE flotilla in the calm waters of Stillwater Canyon
The SCREE flotilla in the calm waters of Stillwater Canyon
See St. Joseph Bay in the Florida Panhandle through the eyes of two young adult female loggerheads as they swim, surface to breathe, dive, forage on underwater grasses and spend time with other sea turtles. Three species of threatened or endangered sea turtles congregate in St. Joseph Bay.
See St. Joseph Bay in the Florida Panhandle through the eyes of two young adult female loggerheads as they swim, surface to breathe, dive, forage on underwater grasses and spend time with other sea turtles. Three species of threatened or endangered sea turtles congregate in St. Joseph Bay.
The SQUID-5 is an acronym for a Structure-from-Motion (SfM) Quantitative Underwater Imaging Device with 5 cameras.
The SQUID-5 is an acronym for a Structure-from-Motion (SfM) Quantitative Underwater Imaging Device with 5 cameras.
USGS boat sampling on the Mississippi River for the NWQP
USGS boat sampling on the Mississippi River for the NWQP
USGS larval sampling boats wait out a fast approaching thunderstorm before deploying nets in the Upper Missouri River to collect drifting pallid sturgeon free embryos.
USGS larval sampling boats wait out a fast approaching thunderstorm before deploying nets in the Upper Missouri River to collect drifting pallid sturgeon free embryos.
Mike Poland, Scientist-in-Charge of the Yellowstone Volcano Observatory, describes activity at Yellowstone during the month of June, 2019.
Mike Poland, Scientist-in-Charge of the Yellowstone Volcano Observatory, describes activity at Yellowstone during the month of June, 2019.
Sunset view, looking east, at Turks Head campsite, Green River, Mile 21.
Sunset view, looking east, at Turks Head campsite, Green River, Mile 21.
Sunset view, looking west, at Turks Head campsite, Green River, Mile 21.
Sunset view, looking west, at Turks Head campsite, Green River, Mile 21.
This video discusses how to measure various aspects of non-standard culverts, such as mitered culverts. Using the slope-area method inside a culvert is also discussed.
This video discusses how to measure various aspects of non-standard culverts, such as mitered culverts. Using the slope-area method inside a culvert is also discussed.
