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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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Night view of Kīlauea Volcano’s summit lava lake from April 24, 2018
Night view of Kīlauea Volcano’s summit lava lake from April 24, 2018
Night view of Kīlauea Volcano’s summit lava lake from April 24, 2018
Night view of Kīlauea Volcano’s summit lava lake from April 24, 2018

Night view of Kīlauea Volcano’s summit lava lake from April 24, 2018, while lava from the lake overflow was spreading westward (to the right in the picture) from the Overlook Vent. USGS photo from the Hawai‘i Volcanoes National Park Jaggar Overlook

Night view of Kīlauea Volcano’s summit lava lake from April 24, 2018, while lava from the lake overflow was spreading westward (to the right in the picture) from the Overlook Vent. USGS photo from the Hawai‘i Volcanoes National Park Jaggar Overlook

Vigorous overflows from Kīlauea's summit lava lake covered a large ...
Vigorous overflows from Kīlauea's summit lava lake covered a large ...
Vigorous overflows from Kīlauea's summit lava lake covered a large ...
Vigorous overflows from Kīlauea's summit lava lake covered a large ...

Vigorous overflows from Kīlauea's summit lava lake covered a large portion of the floor of Halema‘uma‘u this morning. In this video, the view starts from the north and heads south, showing the north and east sides of Halema‘uma‘u crater.

Vigorous overflows from Kīlauea's summit lava lake covered a large portion of the floor of Halema‘uma‘u this morning. In this video, the view starts from the north and heads south, showing the north and east sides of Halema‘uma‘u crater.

Cartoons showing ocean wave scenarios and what would happen to groundwater given rising sea level conditions.
Atoll-island groundwater
Atoll-island groundwater
Atoll-island groundwater

Conceptual diagram showing impact of sea-level rise and wave-driven flooding on atoll-island groundwater. (A) Current sea level. (B) Future sea level. Sea-level rise will allow for greater wave heights (H) and wave-driven runup (R), resulting in frequent overwash that will contaminate the atoll island’s freshwater lens. Note: Heights are exaggerated.

Conceptual diagram showing impact of sea-level rise and wave-driven flooding on atoll-island groundwater. (A) Current sea level. (B) Future sea level. Sea-level rise will allow for greater wave heights (H) and wave-driven runup (R), resulting in frequent overwash that will contaminate the atoll island’s freshwater lens. Note: Heights are exaggerated.

USGS staff uses a radio to determine if an Acoustic Backscatter sensor (white circle) is still operating
Can you hear me now?
Can you hear me now?
Can you hear me now?

Steve Suttles (USGS) uses a radio to determine if an Acoustic Backscatter sensor (white circle) is still operating at the end of the deployment.

Steve Suttles (USGS) uses a radio to determine if an Acoustic Backscatter sensor (white circle) is still operating at the end of the deployment.

Photo of absolute-gravity meter next to a groundwater well in the field
Changes in Earth's Gravity Reveal Changes in Groundwater Storage
Changes in Earth's Gravity Reveal Changes in Groundwater Storage
Changes in Earth's Gravity Reveal Changes in Groundwater Storage

Did you know that changes in the amount of water in aquifers cause small changes in Earth’s gravitational field? When the amount of groundwater in an aquifer changes, either by recharge or by discharge to surface water or wells, the gravitational acceleration at the land surface also changes.

Did you know that changes in the amount of water in aquifers cause small changes in Earth’s gravitational field? When the amount of groundwater in an aquifer changes, either by recharge or by discharge to surface water or wells, the gravitational acceleration at the land surface also changes.

color photograph
Garretson School Second Graders
Garretson School Second Graders
Garretson School Second Graders

A group of second-graders from the Garretson School District in Garretson, South Dakota pose for a photo at the Earth Resources Observation and Science Center near Sioux Falls, SD.

A group of second-graders from the Garretson School District in Garretson, South Dakota pose for a photo at the Earth Resources Observation and Science Center near Sioux Falls, SD.

Red River at Oslo, MN (Streamgage 05083500)
Red River at Oslo, MN (Streamgage 05083500)
Red River at Oslo, MN (Streamgage 05083500)
Red River at Oslo, MN (Streamgage 05083500)

USGS Hydrologic Technician Dan Thomas preparing to measure discharge using an acoustic doppler current profiler (ADCP) with a manned boat on the Red River at Oslo, MN (streamgage 05083500) on April 25, 2018. The ADCP measures water currents with sound, using a principle of sound waves called the Doppler effect.

USGS Hydrologic Technician Dan Thomas preparing to measure discharge using an acoustic doppler current profiler (ADCP) with a manned boat on the Red River at Oslo, MN (streamgage 05083500) on April 25, 2018. The ADCP measures water currents with sound, using a principle of sound waves called the Doppler effect.

Aerial view of the Pu‘u ‘Ō‘ō crater
Aerial view of the Pu‘u ‘Ō‘ō crater
Aerial view of the Pu‘u ‘Ō‘ō crater
Aerial view of the Pu‘u ‘Ō‘ō crater

Aerial view of the Pu‘u ‘Ō‘ō crater (approximately 220 m or 720 ft wide) from April 23, 2018, following weeks of steady inflation and uplift of crater floor. View is to the southeast with lava flows of the Episode 61g flow field in the distance behind Pu‘u ‘Ō‘ō .

Aerial view of the Pu‘u ‘Ō‘ō crater (approximately 220 m or 720 ft wide) from April 23, 2018, following weeks of steady inflation and uplift of crater floor. View is to the southeast with lava flows of the Episode 61g flow field in the distance behind Pu‘u ‘Ō‘ō .

Kīlauea summit lava lake overflows onto Halema‘uma‘u crater floor...
Kīlauea summit lava lake overflows onto Halema‘uma‘u floor
Kīlauea summit lava lake overflows onto Halema‘uma‘u floor
Kīlauea summit lava lake overflows onto Halema‘uma‘u floor

Beginning around midnight on Saturday, April 21, Kīlauea Volcano's summit lava lake rose high enough that lava briefly spilled onto the floor of Halema‘uma‘u. Since then, additional overflows occurred in four pulses on April 22-23. The largest one occurred during the fourth pulse, which started at 6:30 a.m.

Beginning around midnight on Saturday, April 21, Kīlauea Volcano's summit lava lake rose high enough that lava briefly spilled onto the floor of Halema‘uma‘u. Since then, additional overflows occurred in four pulses on April 22-23. The largest one occurred during the fourth pulse, which started at 6:30 a.m.

Longleaf Pine forest in Florida
Longleaf Pine forest in Florida
Longleaf Pine forest in Florida
Longleaf Pine forest in Florida

Longleaf pine stand near Tall Timbers Research Station, Florida. Longleaf forests such as these are dependent on frequent, low-intensity fires to maintain habitat structure and function. 

Longleaf pine stand near Tall Timbers Research Station, Florida. Longleaf forests such as these are dependent on frequent, low-intensity fires to maintain habitat structure and function. 

Paleontology Research Laboratory
Paleontology Research Laboratory
Paleontology Research Laboratory
Paleontology Research Laboratory

A group tours the fossil preparation area in the Paleontology Research Laboratory as part of
the campus tour of South Dakota School of Mines and Technology.

A group tours the fossil preparation area in the Paleontology Research Laboratory as part of
the campus tour of South Dakota School of Mines and Technology.

Reston stable isotope lab RSIL Reference Caps
Reston stable isotope lab (RSIL): reference caps
Reston stable isotope lab (RSIL): reference caps
Reston stable isotope lab (RSIL): reference caps

Photo of silver capsules containing reference water used for the calibration of stable hydrogen and oxygen measurements. This reference material is intended for calibration of stable hydrogen (δ2H) and oxygen (δ18O) measurements of unknown water or hydrogen- or oxygen-bearing substances with a TC/EA (thermal conversion/elemental analyzer)

Photo of silver capsules containing reference water used for the calibration of stable hydrogen and oxygen measurements. This reference material is intended for calibration of stable hydrogen (δ2H) and oxygen (δ18O) measurements of unknown water or hydrogen- or oxygen-bearing substances with a TC/EA (thermal conversion/elemental analyzer)

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