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Explore our planet through photography and imagery, including climate change and water all the way back to the 1800s when the USGS was surveying the country by horse and buggy.

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USGS scientists visit Weather Station in Glacier National Park
USGS scientists visit Weather Station in Glacier National Park
USGS scientists visit Weather Station in Glacier National Park
USGS scientists visit Weather Station in Glacier National Park

USGS scientists visit Garden Wall Weather Station in Glacier National Park.  This high elevation weather station, just below the Continental Divide near Logan Pass, collects weather data that is used each spring to forecast avalanche hazard for the road crew plowing Going to the Sun Road.  The data is also used by USGS avalanche scientists to study the con

USGS scientists visit Garden Wall Weather Station in Glacier National Park.  This high elevation weather station, just below the Continental Divide near Logan Pass, collects weather data that is used each spring to forecast avalanche hazard for the road crew plowing Going to the Sun Road.  The data is also used by USGS avalanche scientists to study the con

image related to volcanoes. See description
The relationship between Δ30 and N2/3He ratios in hydrothermal gases from
The relationship between Δ30 and N2/3He ratios in hydrothermal gases from
The relationship between Δ30 and N2/3He ratios in hydrothermal gases from

The relationship between Δ30 and N2/3He ratios in hydrothermal gases from Iceland and Yellowstone. Δ30 and N2/3He ratios are shown for samples collected from gases in Iceland (yellow circles) and Yellowstone (red circles). The Yellowstone mantle-endmember is arguably indistinguishable in terms of N2/3He from the convecting upper mantle (grey diamonds).

The relationship between Δ30 and N2/3He ratios in hydrothermal gases from Iceland and Yellowstone. Δ30 and N2/3He ratios are shown for samples collected from gases in Iceland (yellow circles) and Yellowstone (red circles). The Yellowstone mantle-endmember is arguably indistinguishable in terms of N2/3He from the convecting upper mantle (grey diamonds).

First Open Water Measurement of the Year
First Open Water Measurement of the Year
First Open Water Measurement of the Year
First Open Water Measurement of the Year

With ice off the Wind River near Kinnear, we headed out to make a streamflow measurement in open water. Flows were a bit higher than average for the date (35 years of record) and can be found real-time at: http://ow.ly/eSXS50zcGLF

With ice off the Wind River near Kinnear, we headed out to make a streamflow measurement in open water. Flows were a bit higher than average for the date (35 years of record) and can be found real-time at: http://ow.ly/eSXS50zcGLF

Radio-collared female grizzly bear seen with 3 cubs during a telemetry tracking flight on 4/10/20.
Here's looking at you
Here's looking at you
Here's looking at you

Scientists with the Interagency Grizzly Bear Study Team have seen the first female grizzly bear with cubs of the year for 2020 in Yellowstone National Park. The radio-collared female was seen with 3 cubs during a telemetry tracking flight on 4/10.  One of the 3 cubs is hard to see between the 2 obvious siblings, but you can just make out its

Scientists with the Interagency Grizzly Bear Study Team have seen the first female grizzly bear with cubs of the year for 2020 in Yellowstone National Park. The radio-collared female was seen with 3 cubs during a telemetry tracking flight on 4/10.  One of the 3 cubs is hard to see between the 2 obvious siblings, but you can just make out its

HBBS Administration Buidling
The Hammond Bay Biological Station Administration Building
The Hammond Bay Biological Station Administration Building
The Hammond Bay Biological Station Administration Building

The USGS Hammond Bay Biological Station, a field station of the Great Lakes Science Center, located near Millersburg, Michigan.

USGS hydrographer Josh Sundberg measures Red River water flowing over the road in East Grand Forks, Minnesota.
USGS Responds to Spring Flooding in Minnesota
USGS Responds to Spring Flooding in Minnesota
USGS Responds to Spring Flooding in Minnesota

On April 10, USGS hydrographer Josh Sundberg measures Red River water flowing over the road in East Grand Forks, Minnesota as flood protection walls prevent further flooding.
 

On April 10, USGS hydrographer Josh Sundberg measures Red River water flowing over the road in East Grand Forks, Minnesota as flood protection walls prevent further flooding.
 

image related to volcanoes. See description
April 1980 was a month to remember at Mount St. Helens
April 1980 was a month to remember at Mount St. Helens
April 1980 was a month to remember at Mount St. Helens

Measuring tilt in Timberline parking lot in early April 1980 during lightly falling snow. USGS photo by Don Swanson.

Dinwoody Creek
Dinwoody Creek
Dinwoody Creek
Dinwoody Creek

Capitalizing on nice spring weather to visit sites and make streamflow measurements. Dinwoody Creek above Lakes was right at the 52-year average.

Capitalizing on nice spring weather to visit sites and make streamflow measurements. Dinwoody Creek above Lakes was right at the 52-year average.

One-Water Hydrologic Flow Model cross section
One-Water Hydrologic Flow Model cross section
One-Water Hydrologic Flow Model cross section
One-Water Hydrologic Flow Model cross section

One-Water Hydrologic Flow Model: A MODFLOW Based Conjunctive-Use Simulation Software (Boyce and others, 2020).

Phytoplankton under a microscope
Phytoplankton under a microscope
Phytoplankton under a microscope
Phytoplankton under a microscope

Phytoplankton, including diatoms, viewed under a microscope. Phytoplankton occupy the lower levels of the food web.

Phytoplankton, including diatoms, viewed under a microscope. Phytoplankton occupy the lower levels of the food web.

Sandstone Cliffs, Pictured Rocks National Park
From Pictured Rocks NP, Michigan
From Pictured Rocks NP, Michigan
From Pictured Rocks NP, Michigan

Photo of orange/red sandstone cliffs at Pictured Rocks National Park

flow chart showing how surface water and groundwater are related to landscape water demands
Groundwater / Surface Water Interconnectivity
Groundwater / Surface Water Interconnectivity
Groundwater / Surface Water Interconnectivity

Diagram showing that water flow and use is interconnected through physically-based processes and management processes.

Diagram showing that water flow and use is interconnected through physically-based processes and management processes.

flow chart diagramming the model packages that feed into the One Water Hydrologic Model
MODFLOW-2005 Framework
MODFLOW-2005 Framework
MODFLOW-2005 Framework

Diagram the MODFLOW-2005 framework and its descendants (Boyce and others, 2020

A scientists observes a volcano crater
A geologists makes observations at Kilauea
A geologists makes observations at Kilauea
A geologists makes observations at Kilauea

Clear weather allowed HVO geologists to make observations and take measurements of the water pond at Kīlauea's summit. No major changes were observed, and the water level continues to slowly rise. Note the former HVO observation tower can be seen above the geologist's helmet. 

Clear weather allowed HVO geologists to make observations and take measurements of the water pond at Kīlauea's summit. No major changes were observed, and the water level continues to slowly rise. Note the former HVO observation tower can be seen above the geologist's helmet. 

image related to volcanoes. See description
Changes in color at Kīlauea's summit water pond are common
Changes in color at Kīlauea's summit water pond are common
Changes in color at Kīlauea's summit water pond are common

This compilation shows the appearance of the water pond at Kīlauea's summit over the past two weeks. Day to day changes in the color of the pond are common, with portions of the pond shifting from a green hue to brown. A sharp color boundary has been common for several months in the same general area of the pond.

This compilation shows the appearance of the water pond at Kīlauea's summit over the past two weeks. Day to day changes in the color of the pond are common, with portions of the pond shifting from a green hue to brown. A sharp color boundary has been common for several months in the same general area of the pond.

On April 6, USGS hydrographer Spencer Wheeling carries equipment out to measure high water on the Tongue River near Akra, ND.
USGS Responds to Spring Flooding in North Dakota
USGS Responds to Spring Flooding in North Dakota
USGS Responds to Spring Flooding in North Dakota

On April 6, USGS hydrographer Spencer Wheeling carries equipment out to measure high water on the Tongue River near Akra, North Dakota. 

USGS hydrographer Chris Broz gets on the cold ground to measure the high-water mark of the Pembina River at Neche, North Dakota.
USGS Responds to Spring Flooding in North Dakota
USGS Responds to Spring Flooding in North Dakota
USGS Responds to Spring Flooding in North Dakota

USGS hydrographer Chris Broz gets on the cold ground to measure the high-water mark of the Pembina River at Neche, North Dakota. 

USGS employee collecting a measurement off a bridge over the Wild Rice River, ND
USGS employee collecting a measurement off bridge, Wild Rice River ND
USGS employee collecting a measurement off bridge, Wild Rice River ND
USGS employee collecting a measurement off bridge, Wild Rice River ND

USGS employee Spencer Wheeling is forced to get creative on April 5, 2020, in the positioning of the crane used for collecting water-quality samples thanks to 6-8 inches of new snow at station 05053500 Wild Rice River near St. Benedict, ND.

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