Video shows periphyton growth along the nearshore of Lake Tahoe.
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Image of the Week
Image of the Week
A weekly series from the USGS Earth Resources Observation and Science (EROS) Center highlighting satellite image(s) featuring striking changes to the Earth's surface.
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Periphyton Growth Along the nearshore of Lake Tahoe
Observing Sierra Nevada Mountain Snowpack 2000-2019 with Terra MODIS
The Moderate Resolution Imaging Spectroradiometer (MODIS) sensor is located aboard NASA’s Terra and Aqua satellites. These data are crucial for studying changes that have occurred on the surface of the Earth, including during times of drought.
The Moderate Resolution Imaging Spectroradiometer (MODIS) sensor is located aboard NASA’s Terra and Aqua satellites. These data are crucial for studying changes that have occurred on the surface of the Earth, including during times of drought.
Overflight of Kīlauea Caldera
This wide-angle video shows the southwest portion of Kīlauea caldera in the area of Halema‘uma‘u. Faint plumes of volcanic gas are rising from yellow fumaroles on the walls of the deep conical pit. Overall, no significant changes were observed at the summit on today's overflight.
This wide-angle video shows the southwest portion of Kīlauea caldera in the area of Halema‘uma‘u. Faint plumes of volcanic gas are rising from yellow fumaroles on the walls of the deep conical pit. Overall, no significant changes were observed at the summit on today's overflight.
Routine overflight of Kīlauea summit
This wide-angle video shows the southwest portion of Kīlauea caldera in the area of Halema‘uma‘u. Faint plumes of volcanic gas are rising from yellow fumaroles on the walls of the deep conical pit. Overall, no significant changes were observed at the summit on today's overflight.
This wide-angle video shows the southwest portion of Kīlauea caldera in the area of Halema‘uma‘u. Faint plumes of volcanic gas are rising from yellow fumaroles on the walls of the deep conical pit. Overall, no significant changes were observed at the summit on today's overflight.
National Liaison Committee Meeting for the NWQP — Part 1
In these videos, speakers discuss upcoming changes to the USGS National Water Quality Program (NAWQA Project) and three new priority areas for the USGS Water Mission Area. Gary Rowe discusses plans for transitioning from current NAWQA Project activities to the new priority areas.
In these videos, speakers discuss upcoming changes to the USGS National Water Quality Program (NAWQA Project) and three new priority areas for the USGS Water Mission Area. Gary Rowe discusses plans for transitioning from current NAWQA Project activities to the new priority areas.
National Liaison Committee Meeting for the NWQP — Part 2
In these videos, speakers discuss upcoming changes to the USGS National Water Quality Program (NAWQA Project) and three new priority areas for the USGS Water Mission Area. Gary Rowe discusses plans for transitioning from current NAWQA Project activities to the new priority areas.
In these videos, speakers discuss upcoming changes to the USGS National Water Quality Program (NAWQA Project) and three new priority areas for the USGS Water Mission Area. Gary Rowe discusses plans for transitioning from current NAWQA Project activities to the new priority areas.
National Liaison Committee Meeting for the NWQP — Part 3
In these videos, speakers discuss upcoming changes to the USGS National Water Quality Program (NAWQA Project) and three new priority areas for the USGS Water Mission Area. Gary Rowe discusses plans for transitioning from current NAWQA Project activities to the new priority areas.
In these videos, speakers discuss upcoming changes to the USGS National Water Quality Program (NAWQA Project) and three new priority areas for the USGS Water Mission Area. Gary Rowe discusses plans for transitioning from current NAWQA Project activities to the new priority areas.
National Liaison Committee Meeting for the NWQP — Part 4
In these videos, speakers discuss upcoming changes to the USGS National Water Quality Program (NAWQA Project) and three new priority areas for the USGS Water Mission Area. Gary Rowe discusses plans for transitioning from current NAWQA Project activities to the new priority areas.
In these videos, speakers discuss upcoming changes to the USGS National Water Quality Program (NAWQA Project) and three new priority areas for the USGS Water Mission Area. Gary Rowe discusses plans for transitioning from current NAWQA Project activities to the new priority areas.
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
Testing New Drone Technology to Measure Floodwaters
A 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.
A 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.
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.
Lidar-Based NHD and WBD Delineation in Western Oregon
This 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.
This 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.
Using the Compare Browse Function in EarthExplorer
This tutorial explains how to use the compare browse functionality in EarthExplorer to preview Landsat scenes prior to downloading.
This tutorial explains how to use the compare browse functionality in EarthExplorer to preview Landsat scenes prior to downloading.
How Does Carbon Get Into the Atmosphere?
A short video on how carbon can get into the atmosphere.
A short video on how carbon can get into the atmosphere.
Why are coral reefs in peril and what is being done to protect them?
A short video on information related to coral reefs and the USGS.
A short video on information related to coral reefs and the USGS.
Why is the ocean salty?
A short video on why the ocean is salty.
A short video on why the ocean is salty.
3D Model of Pu`u `Ō`ō
This 3D model of the Pu‘u ‘Ō‘ō crater was constructed from thermal images taken during a recent helicopter overflight. White areas show warm spots in the crater. Despite the absence of active lava in Pu‘u ‘Ō‘ō, changes at the crater have continued since magma drained from beneath it on April 30, 2018.
This 3D model of the Pu‘u ‘Ō‘ō crater was constructed from thermal images taken during a recent helicopter overflight. White areas show warm spots in the crater. Despite the absence of active lava in Pu‘u ‘Ō‘ō, changes at the crater have continued since magma drained from beneath it on April 30, 2018.
3D model of the Pu‘u ‘Ō‘ō crater - March 18, 2019
This 3D model of the Pu‘u ‘Ō‘ō crater was constructed from thermal images taken during a recent helicopter overflight. White areas show warm spots in the crater. Despite the absence of active lava in Pu‘u ‘Ō‘ō, changes at the crater have continued since magma drained from beneath it on April 30, 2018.
This 3D model of the Pu‘u ‘Ō‘ō crater was constructed from thermal images taken during a recent helicopter overflight. White areas show warm spots in the crater. Despite the absence of active lava in Pu‘u ‘Ō‘ō, changes at the crater have continued since magma drained from beneath it on April 30, 2018.
U.S. River Conditions for Water Year 2018
This is an animation showing the changing conditions of USGS streamgages for Water Year 2018 (October 1, 2017 to September 30, 2018). The conditions shown range from the driest condition seen at a gage to the wettest.
This is an animation showing the changing conditions of USGS streamgages for Water Year 2018 (October 1, 2017 to September 30, 2018). The conditions shown range from the driest condition seen at a gage to the wettest.
USGS Streamgaging — Keeping the pulse on the Nation’s streams
What is water up to? Keeping the pulse on the Nation’s streams - USGS Streamgaging and the Groundwater and Streamflow Information Program.
What is water up to? Keeping the pulse on the Nation’s streams - USGS Streamgaging and the Groundwater and Streamflow Information Program.