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Images

Photomicrographs from a sea otter (Enhydra lutris) found dead in Washington State, USA.
Photomicrographs from a sea otter (Enhydra lutris) found dead in Washington State, USA.
Photomicrographs from a sea otter (Enhydra lutris) found dead in Washington State, USA.
USGS water data expert Garret Welsh measures water flow in the pouring rain at the Straight River near Faribault, Minnesota.
USGS Flood Monitoring: Eastern Minnesota
USGS Flood Monitoring: Eastern Minnesota
USGS Flood Monitoring: Eastern Minnesota

USGS water data expert Garret Welsh measures water flow in the pouring rain at the Straight River near Faribault, Minnesota. This measurement recorded the 6th highest flow in the station's 59-year history, highlighting the severity of current flood conditions. Such data is crucial for emergency managers and forecasters to protect communities at risk.

USGS water data expert Garret Welsh measures water flow in the pouring rain at the Straight River near Faribault, Minnesota. This measurement recorded the 6th highest flow in the station's 59-year history, highlighting the severity of current flood conditions. Such data is crucial for emergency managers and forecasters to protect communities at risk.

A USGS scientist analyzes dragonfly larvae samples for mercury as part of the Dragonfly Mercury Project.
Analyzing dragonfly larvae samples as part of the Dragonfly Mercury Project.
Analyzing dragonfly larvae samples as part of the Dragonfly Mercury Project.
Analyzing dragonfly larvae samples as part of the Dragonfly Mercury Project.

A USGS scientist analyzes dragonfly larvae samples for mercury as part of the Dragonfly Mercury Project. 

USGS scientist Tylor Rosera analyzes dragonfly larvae samples for mercury as part of the Dragonfly Mercury Project.
USGS scientist Tylor Rosera analyzes dragonfly larvae samples for mercury as part of the Dragonfly Mercury Project.
USGS scientist Tylor Rosera analyzes dragonfly larvae samples for mercury as part of the Dragonfly Mercury Project.
USGS scientist Tylor Rosera analyzes dragonfly larvae samples for mercury as part of the Dragonfly Mercury Project.

USGS scientist Tylor Rosera analyzes dragonfly larvae samples for mercury as part of the Dragonfly Mercury Project. 

Man in blazer and bow tie sitting at table speaking to group of people
David Applegate speaks to Upper Midwest Water Science Center staff
David Applegate speaks to Upper Midwest Water Science Center staff
David Applegate speaks to Upper Midwest Water Science Center staff

David Applegate speaks to Upper Midwest Water Science Center staff during a visit to the Madison office at the Forest Products Laboratory.

David Applegate speaks to Upper Midwest Water Science Center staff during a visit to the Madison office at the Forest Products Laboratory.

USGS Director stands at front of conference room and speaks to a group of scientists
David Applegate speaks to Upper Midwest Water Science Center employees in Madison, Wisconsin
David Applegate speaks to Upper Midwest Water Science Center employees in Madison, Wisconsin
David Applegate speaks to Upper Midwest Water Science Center employees in Madison, Wisconsin

USGS Director Dr. David Applegate speaks to Upper Midwest Water Science Center employees in Madison, Wisconsin on October 12, 2023.

Videos

Researchers walk between hundreds of spawning sockeye salmon in shallow lake at Izembek National Wildlife Refuge, Alaska Spawning sockeye salmon in Izembek National Wildlife Refuge, Alaska
Spawning sockeye salmon in Izembek National Wildlife Refuge, Alaska
Spawning sockeye salmon in Izembek National Wildlife Refuge, Alaska

USGS Upper Midwest Water Science Center hydrologist Laura Hubbard navigates between hundreds of spawning sockeye salmon as she filters water to detect avian influenza virus at Izembek National Wildlife Refuge, Alaska.

USGS Upper Midwest Water Science Center hydrologist Laura Hubbard navigates between hundreds of spawning sockeye salmon as she filters water to detect avian influenza virus at Izembek National Wildlife Refuge, Alaska.

USGS and Partners install Underwater Acoustic Deterrent System in Lock 19 on the Mississippi River USGS Underwater Acoustic Deterrent System Briefing Event
USGS Underwater Acoustic Deterrent System Briefing Event
USGS Underwater Acoustic Deterrent System Briefing Event

Scientists at the U.S. Geological Survey Upper Midwest Environmental Sciences Center and the U.S.

Phragmites Adaptive Management Framework: Model Overview
Phragmites Adaptive Management Framework: Model Overview
Phragmites Adaptive Management Framework: Model Overview

This animation is the third video in a series explaining different aspects of the Phragmites Adaptive Management Framework (PAMF). This video focuses on the machine learning model that PAMF uses to systematically learn from participant's data and then provide site-specific management guidance in return.

This animation is the third video in a series explaining different aspects of the Phragmites Adaptive Management Framework (PAMF). This video focuses on the machine learning model that PAMF uses to systematically learn from participant's data and then provide site-specific management guidance in return.

Variable Warming Upper Midwest Lakes and Implications for Sport Fish
Variable Warming Upper Midwest Lakes and Implications for Sport Fish
Variable Warming Upper Midwest Lakes and Implications for Sport Fish

Climate change is predicted to alter sport fish communities in Midwestern lakes, but managers currently have limited information on individual lakes that can be used to set local expectations or intervene with mitigation strategies.

Climate change is predicted to alter sport fish communities in Midwestern lakes, but managers currently have limited information on individual lakes that can be used to set local expectations or intervene with mitigation strategies.

10 frame 3D reconstruction
10 frame 3D reconstruction
10 frame 3D reconstruction

Digital 3D reconstruction of lake bottom using 10 photo frames taken by the dive camera system. This reconstruction allows us to gain more insight about the lake bottom since elevation has been added to the photographs.
 

Digital 3D reconstruction of lake bottom using 10 photo frames taken by the dive camera system. This reconstruction allows us to gain more insight about the lake bottom since elevation has been added to the photographs.
 

50 frame 3D reconstruction
50 frame 3D reconstruction
50 frame 3D reconstruction

Digital 3D reconstruction of lake bottom using 50 photo frames taken by the dive camera system. This example shows an arc since the sampling transect is a circle. This reconstruction allows us to gain more insight about the lake bottom since elevation has been added to the photographs.
 

Digital 3D reconstruction of lake bottom using 50 photo frames taken by the dive camera system. This example shows an arc since the sampling transect is a circle. This reconstruction allows us to gain more insight about the lake bottom since elevation has been added to the photographs.
 

Audio

USGS CoreCast
USGS CoreCast Series
USGS CoreCast Series
Endocrine Disruptors and Intersex Fish in Minnesota Lakes
Endocrine Disruptors and Intersex Fish in Minnesota Lakes
USGS CoreCast
USGS CoreCast Series
USGS CoreCast Series
Endocrine Disruptors and Intersex Fish in Minnesota Lakes

Endocrine disrupting chemicals were identified in all of the 11 Minnesota lakes studied by the U.S. Geological Survey, St. Cloud State University and the Minnesota Pollution Control Agency. Female characteristics were observed in male fish in most of the lakes studied. USGS scientists Jeffrey Writer talks to us about what's going on. 

Endocrine disrupting chemicals were identified in all of the 11 Minnesota lakes studied by the U.S. Geological Survey, St. Cloud State University and the Minnesota Pollution Control Agency. Female characteristics were observed in male fish in most of the lakes studied. USGS scientists Jeffrey Writer talks to us about what's going on. 

Eastern American Toad
Eastern American Toad
Eastern American Toad
Eastern American Toad (Bufo americanus americanus)
Eastern American Toad (Bufo americanus americanus)
Eastern American Toad
Eastern American Toad
Eastern American Toad
Eastern American Toad (Bufo americanus americanus)

The sound of an Eastern American toad (Bufo americanus americanus) call.

Webcams

Black and white webcam image pointed down to surface of stream for fish observation
Little Menomonee River near Freistadt, Wisconsin Fish Camera
Little Menomonee River near Freistadt, Wisconsin Fish Camera
Little Menomonee River near Freistadt, Wisconsin Fish Camera

Webcam for fish observation at streamgage 04087050, Little Menomonee River near Freistadt, Wisconsin: https://waterdata.usgs.gov/monitoring-location/04087050/

Color webcam image pointed to surface of stream for fish observation
Menomonee River at Wauwatosa, Wisconsin above water fish camera
Menomonee River at Wauwatosa, Wisconsin above water fish camera
Menomonee River at Wauwatosa, Wisconsin above water fish camera

Webcam for fish observation at streamgage 04087120, Menomonee River at Wauwatosa, Wisconsin: https://waterdata.usgs.gov/monitoring-location/04087120/

Time lapse video of webcam pointed at surface of stream for fish monitoring
Underwood Creek at Wauwatosa, Wisconsin above water fish camera
Underwood Creek at Wauwatosa, Wisconsin above water fish camera
Underwood Creek at Wauwatosa, Wisconsin above water fish camera

Webcam for fish observation at streamgage 04087088, Underwood Creek at Wauwatosa, Wisconsin: https://waterdata.usgs.gov/monitoring-location/04087088/

Closeup view of a river, rocky areas on either side.
Streamgage at Little Menomonee River near Freistadt, Wisconsin
Streamgage at Little Menomonee River near Freistadt, Wisconsin
Streamgage at Little Menomonee River near Freistadt, Wisconsin

Webcam at streamgage at Little Menomonee River near Freistadt, Wisconsin. https://waterdata.usgs.gov/monitoring-location/04087050/

Overlooking a creek with rock and brush on both sides.
Streamgage at Honey Creek at Wauwatosa, Wisconsin
Streamgage at Honey Creek at Wauwatosa, Wisconsin
View of river from the side overlooking a dock and under a steel bridge.
Streamgage at Menomonee River at 16th Street at Milwaukee, Wisconsin
Streamgage at Menomonee River at 16th Street at Milwaukee, Wisconsin
Streamgage at Menomonee River at 16th Street at Milwaukee, Wisconsin

Webcam at streamgage at Menomonee River at 16th Street at Milwaukee, Wisconsin. https://waterdata.usgs.gov/monitoring-location/04087142