A coqui frog sits on a red ti leaf, next to a quarter for scale. Native to Puerto Rico, coqui frogs are an invasive species in Hawaii.
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Coqui frog on a red ti leaf
A coqui frog sits on a red ti leaf, next to a quarter for scale. Native to Puerto Rico, coqui frogs are an invasive species in Hawaii.
Coqui frog on a red ti plant leaf
A coqui frog rests on a red ti plant leaf. Native to Puerto Rico, coqui are an invasive species in Hawaii.
A coqui frog rests on a red ti plant leaf. Native to Puerto Rico, coqui are an invasive species in Hawaii.
Nicole DeCrappeo Colorado River
NW CASC’s USGS Director Nicole DeCrappeo on a recent rafting trip through the Grand Canyon on the Colorado River. She brought along a paper John Wesley Powell, an explorer and the 2nd director of the USGS, to commemorate the 150th anniversary of his historic trip down the Colorado River.
NW CASC’s USGS Director Nicole DeCrappeo on a recent rafting trip through the Grand Canyon on the Colorado River. She brought along a paper John Wesley Powell, an explorer and the 2nd director of the USGS, to commemorate the 150th anniversary of his historic trip down the Colorado River.
Esmeralda Vargas taking data on an estuary sample
Esmeralda Vargas taking data on an estuary sampleNortheast Region Photo Contest Winner | April 2019 | Honorable Mention
Esmeralda Vargas taking data on an estuary sample
Esmeralda Vargas taking data on an estuary sample
Esmeralda Vargas taking data on an estuary sampleNortheast Region Photo Contest Winner | April 2019 | Honorable Mention
Esmeralda Vargas taking data on an estuary sample
Recovering Project Platform from Seneca Lake, NY
Matt Jennings (pictured) and Andrew Kowalczk (Boat Chief) on Seneca Lake using an underwater camera and grappling hook to locate and recover lost equipment from the Harmful Algal Bloom (HABs) Project platform that was damaged by an early winter storm. The platform mooring buoy can be seen in the background. Photo by Andrew Kowalczk (Public Domain)
Matt Jennings (pictured) and Andrew Kowalczk (Boat Chief) on Seneca Lake using an underwater camera and grappling hook to locate and recover lost equipment from the Harmful Algal Bloom (HABs) Project platform that was damaged by an early winter storm. The platform mooring buoy can be seen in the background. Photo by Andrew Kowalczk (Public Domain)
. Schematic model showing a cross section of Old Faithful
. Schematic model showing a cross section of Old FaithfulSchematic model showing a cross section of Old Faithful's plumbing system as determined from seismic studies. The red circles (t0-t3) show the location of the tremor source over time, and how the tremor source migrates upward prior to an Old Faithful eruption. Times between red circles are based on a 93-minute eruption interval.
. Schematic model showing a cross section of Old Faithful
. Schematic model showing a cross section of Old FaithfulSchematic model showing a cross section of Old Faithful's plumbing system as determined from seismic studies. The red circles (t0-t3) show the location of the tremor source over time, and how the tremor source migrates upward prior to an Old Faithful eruption. Times between red circles are based on a 93-minute eruption interval.
A Smelt Closeup
Closeup view of a Smelt (Osmerus mordax)
Closeup view of a Smelt (Osmerus mordax)
Forest Management for Mitigating Drought Impacts
Forests around the world are experiencing increasingly hot and severe drought conditions, and drought severity is expected to increase as temperatures rise in coming decades, particularly in the already hot and dry Southwest U.S.
Forests around the world are experiencing increasingly hot and severe drought conditions, and drought severity is expected to increase as temperatures rise in coming decades, particularly in the already hot and dry Southwest U.S.
PubTalk 3/2019 - Land Subsidence
Title: Land Subsidence: The Lowdown on the Draw-down
The link between groundwater use and sinking landscapes
Title: Land Subsidence: The Lowdown on the Draw-down
The link between groundwater use and sinking landscapes
Sea otter skulls being prepared for archival
Skulls were collected in Spring 2018 & 2019 from coastlines throughout Alaska. It is assumed the animals died of natural causes over the preceding winters. They were collected under Marine Mammal Permit # 067925.
Skulls were collected in Spring 2018 & 2019 from coastlines throughout Alaska. It is assumed the animals died of natural causes over the preceding winters. They were collected under Marine Mammal Permit # 067925.
Doppler through the ice
An intern uses Dopplar to gather streamflow data through the ice at the Little Wind River near Riverton, Wyoming.
An intern uses Dopplar to gather streamflow data through the ice at the Little Wind River near Riverton, Wyoming.
GPS survey is completed annually on Mauna Loa
A high-precision Global Positioning System (GPS) survey is completed annually on Mauna Loa. This station was occupied for a period of three days to supplement the continuously operating GPS stations on the volcano. A beautiful view of Mauna Kea (in distance) could seen from this site during the GPS survey.
A high-precision Global Positioning System (GPS) survey is completed annually on Mauna Loa. This station was occupied for a period of three days to supplement the continuously operating GPS stations on the volcano. A beautiful view of Mauna Kea (in distance) could seen from this site during the GPS survey.
Hydrologic technician services gage 10329500 MARTIN Creek, NV
Hydrologic technician services gage 10329500 MARTIN Creek, NVRecently retired hydrologic technician Doug Hutchinson services gage 10329500 MARTIN Creek near Paradise Valley, NV, March of 2019. This gage is designated as a centennial gage for FY21! Happy birthday, Martin Creek near Paradise Valley!
Hydrologic technician services gage 10329500 MARTIN Creek, NV
Hydrologic technician services gage 10329500 MARTIN Creek, NVRecently retired hydrologic technician Doug Hutchinson services gage 10329500 MARTIN Creek near Paradise Valley, NV, March of 2019. This gage is designated as a centennial gage for FY21! Happy birthday, Martin Creek near Paradise Valley!
Ice Measurement Equipment
Doppler is used to peer under the ice to "see" the flow in the Little Wind River near Riverton, Wyoming.
Doppler is used to peer under the ice to "see" the flow in the Little Wind River near Riverton, Wyoming.
Intern Using Doppler
One of our interns uses Dopplar to gather streamflow data through the ice at the Little Wind River near Riverton, Wyoming.
One of our interns uses Dopplar to gather streamflow data through the ice at the Little Wind River near Riverton, Wyoming.
Testing New Drone Technology to Measure Floodwaters
Testing New Drone Technology to Measure FloodwatersA USGS crew used new drone technology to test and evaluate new technology to measure water speed from the air without touching the water. This drone footage was taken on the Missouri River at Hermann, Missouri on March 27, 2019. Scientists compared these new method results to the conventional way of taking measurements from a boat.
Testing New Drone Technology to Measure Floodwaters
Testing New Drone Technology to Measure FloodwatersA USGS crew used new drone technology to test and evaluate new technology to measure water speed from the air without touching the water. This drone footage was taken on the Missouri River at Hermann, Missouri on March 27, 2019. Scientists compared these new method results to the conventional way of taking measurements from a boat.
Belfort Weighing Bucket precipitation gauge and wind shield
Belfort Weighing Bucket precipitation gauge and wind shieldBelfort Weighing Bucket precipitation gauge at a high elevation meteorological station. Sleepers River Research Watershed, Danville, Vermont.
Belfort Weighing Bucket precipitation gauge and wind shield
Belfort Weighing Bucket precipitation gauge and wind shieldBelfort Weighing Bucket precipitation gauge at a high elevation meteorological station. Sleepers River Research Watershed, Danville, Vermont.
Broken Ice Jam in Milk River
Ice jam was holding on upstream side of bridge an suddenly broke lose while in the process of making a streamflow measurement. Equipment pulled to safety, and this video taken about 5 minutes later.
Ice jam was holding on upstream side of bridge an suddenly broke lose while in the process of making a streamflow measurement. Equipment pulled to safety, and this video taken about 5 minutes later.
Elk on National Elk Refuge, Wyoming.
Elk on National Elk Refuge, Wyoming.
Lidar-Based NHD and WBD Delineation in Western Oregon
Lidar-Based NHD and WBD Delineation in Western OregonThis episode features Jay Stevens (GIS Specialist BLM – Oregon/Washington) Jay presents BLM’s collaboration efforts with the Forest Service, the Oregon Department of Forestry, Oregon Department of Geology and Mineral Industries, NRCS to delineate Western Oregon with new lidar-derived NHD and WBD.
Lidar-Based NHD and WBD Delineation in Western Oregon
Lidar-Based NHD and WBD Delineation in Western OregonThis episode features Jay Stevens (GIS Specialist BLM – Oregon/Washington) Jay presents BLM’s collaboration efforts with the Forest Service, the Oregon Department of Forestry, Oregon Department of Geology and Mineral Industries, NRCS to delineate Western Oregon with new lidar-derived NHD and WBD.
Ohio River at Ironton OH - wire weight gage
Ohio River at Ironton OH - wire weight gage