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Black and White image of a heavy stream flow in Joyce Kilmer Memorial Forest, North Carolina
Little Santeetlah Creek, Joyce Kilmer Memorial Forest, North Carolina
Little Santeetlah Creek, Joyce Kilmer Memorial Forest, North Carolina
Little Santeetlah Creek, Joyce Kilmer Memorial Forest, North Carolina

Black and White image of a heavy stream flow in Little Santeetlah Creek, Joyce Kilmer Memorial Forest, North Carolina

 

Photo of complex equipment on mud tank, including pipes, shaker screens, and other mud-spattered equipment.
Mud tank and shakers during groundwater well drilling
Mud tank and shakers during groundwater well drilling
Mud tank and shakers during groundwater well drilling

Ever wondered about how groundwater observation wells are drilled? This photo provides a behind-the-scenes look as USGS drilled a groundwater well in California last month. This photo looks down over a mud tank and shakers, which are part of drilling operations.

Ever wondered about how groundwater observation wells are drilled? This photo provides a behind-the-scenes look as USGS drilled a groundwater well in California last month. This photo looks down over a mud tank and shakers, which are part of drilling operations.

Aerial imagery of islands are marked to show different data about each island's coast.
Puerto Rico Coral Reefs and Coastal Hazard Risk Reduction
Puerto Rico Coral Reefs and Coastal Hazard Risk Reduction
A woman stands in front of a screen while speaking to a group of people sitting at tables in a room.
The Coastal Change Hazards program engages with stakeholders
The Coastal Change Hazards program engages with stakeholders
The Coastal Change Hazards program engages with stakeholders

The Coastal Change Hazard (CCH) program’s Stakeholder Engagement and Communication (SEC) component is focused on connecting CCH science to stakeholders to learn more about their needs for data, tools, and information.

The Coastal Change Hazard (CCH) program’s Stakeholder Engagement and Communication (SEC) component is focused on connecting CCH science to stakeholders to learn more about their needs for data, tools, and information.

image related to volcanoes. See description
Water samples collected from Halema‘uma‘u crater lake on January 17
Water samples collected from Halema‘uma‘u crater lake on January 17
Water samples collected from Halema‘uma‘u crater lake on January 17

On January 17, 2020, USGS-HVO scientists and DOI Unoccupied Aerial System (UAS) team members collected three additional samples of water from the Halema‘uma‘u crater lake. Here, the sampling device and temperature logger were readied for takeoff. The plastic sleeve was attached to the UAS (drone) with a cord about 20 feet (6 m) long.

On January 17, 2020, USGS-HVO scientists and DOI Unoccupied Aerial System (UAS) team members collected three additional samples of water from the Halema‘uma‘u crater lake. Here, the sampling device and temperature logger were readied for takeoff. The plastic sleeve was attached to the UAS (drone) with a cord about 20 feet (6 m) long.

A photo of a National Park Service information plate showing a great white shark at Cape Cod, MA.
A photo of a National Park Service information plate
A photo of a National Park Service information plate
A photo of a National Park Service information plate

A photo of a National Park Service information plate on “Sharks in Cape Cod Waters”, Cape Cod, MA, taken during a field study reconnaissance mission.  

Adult silver phase American Eel
Adult silver phase American Eel
Adult silver phase American Eel
Adult silver phase American Eel

A silver-phase American Eel in a northeastern river begins migrating downstream to the ocean to spawn in the Sargasso Sea. The migration can span hundreds of kilometers in freshwater rivers and thousands of kilometers at sea.

A silver-phase American Eel in a northeastern river begins migrating downstream to the ocean to spawn in the Sargasso Sea. The migration can span hundreds of kilometers in freshwater rivers and thousands of kilometers at sea.

ADVM Schematic
ADVM Schematic
ADVM Schematic
ADVM Schematic

Top view of beam orientation and sample volume of a sidelooking ADVM.  The ADVM-measured velocity used to index mean velocity is usually the sample volume x-component of velocity.

Top view of beam orientation and sample volume of a sidelooking ADVM.  The ADVM-measured velocity used to index mean velocity is usually the sample volume x-component of velocity.

Airborne Radiometric Maps of Mountain Pass, California
Airborne Radiometric Maps of Mountain Pass, California
Airborne Radiometric Maps of Mountain Pass, California
Airborne Radiometric Maps of Mountain Pass, California

Geophysical investigations of Mountain Pass, California, were conducted as part of an effort to study regional crustal structures as an aid to understanding the geologic framework and mineral resources of the eastern Mojave Desert. The study area encompasses Mountain Pass, which is host to one of the world’s largest rare earth element (REE) carbonatite deposits.

Geophysical investigations of Mountain Pass, California, were conducted as part of an effort to study regional crustal structures as an aid to understanding the geologic framework and mineral resources of the eastern Mojave Desert. The study area encompasses Mountain Pass, which is host to one of the world’s largest rare earth element (REE) carbonatite deposits.

along Sabbath Creek
along Sabbath Creek, a tributary of the Jago River
along Sabbath Creek, a tributary of the Jago River
along Sabbath Creek, a tributary of the Jago River

Northward view towards Kaktovik from southeastern Arctic National Wildlife Refuge-1002 Area. Location is along Sabbath Creek, a tributary of the Jago River.

Northward view towards Kaktovik from southeastern Arctic National Wildlife Refuge-1002 Area. Location is along Sabbath Creek, a tributary of the Jago River.

near Okerokorik River
ANWR-1002 Area near Okerokorik River
ANWR-1002 Area near Okerokorik River
ANWR-1002 Area near Okerokorik River

Northward view from southeastern corner of Arctic National Wildlife Refuge-1002 Area near Okerokorik River showing gently rolling topography typical of the southern coastal plain.

Northward view from southeastern corner of Arctic National Wildlife Refuge-1002 Area near Okerokorik River showing gently rolling topography typical of the southern coastal plain.

near the Jago River
ANWR-1002 Area near the Jago River
ANWR-1002 Area near the Jago River
ANWR-1002 Area near the Jago River

View to the northeast from east-central Arctic National Wildlife Refuge-1002 Area near the Jago River.

View to the northeast from east-central Arctic National Wildlife Refuge-1002 Area near the Jago River.

near the Jago River
ANWR-1002 Area near the Jago River
ANWR-1002 Area near the Jago River
ANWR-1002 Area near the Jago River

Eastward view from east-central Arctic National Wildlife Refuge-1002 Area near the Jago River. Northeastern Brooks Range visible in distance at right.

Eastward view from east-central Arctic National Wildlife Refuge-1002 Area near the Jago River. Northeastern Brooks Range visible in distance at right.

west of the Aichilik River
ANWR-1002 Area west of the Aichilik River
ANWR-1002 Area west of the Aichilik River
ANWR-1002 Area west of the Aichilik River

View to the northeast from near the eastern boundary of the Arctic National Wildlife Refuge-1002 Area west of the Aichilik River.

View to the northeast from near the eastern boundary of the Arctic National Wildlife Refuge-1002 Area west of the Aichilik River.

near the Sadlerochit River
Arctic National Wildlife Refuge-1002 Area near the Sadlerochit River
Arctic National Wildlife Refuge-1002 Area near the Sadlerochit River
Arctic National Wildlife Refuge-1002 Area near the Sadlerochit River

Northward view in central Arctic National Wildlife Refuge-1002 Area near the Sadlerochit River showing gently rolling topography typical of the southern coastal plain and meandering creek.

Illustration helps visualize the seafloor character offshore of the continental United States showing canyons and other features
Astoria Canyon multibeam bathymetry
Astoria Canyon multibeam bathymetry
Astoria Canyon multibeam bathymetry

Multibeam bathymetry shown in the spectrum from red (shallower) to blue (deeper) for depths greater than 200 m across the head of Astoria Canyon. The land and continental shelf are shown in grayscale slope shading where darker colors represent steeper slopes.  The modern Columbia River is far right.

Multibeam bathymetry shown in the spectrum from red (shallower) to blue (deeper) for depths greater than 200 m across the head of Astoria Canyon. The land and continental shelf are shown in grayscale slope shading where darker colors represent steeper slopes.  The modern Columbia River is far right.

AVM Configurations
AVM Configurations
AVM Configurations
AVM Configurations

The AVM-measured velocity used to index mean velocity can be the line velocity from one acoustic path or from multiple acoustic paths.

The AVM-measured velocity used to index mean velocity can be the line velocity from one acoustic path or from multiple acoustic paths.

AVM Schematic
AVM Schematic
AVM Schematic
AVM Schematic

The AVM measures the average water velocity along the acoustic path (VP, figure 1); then computes the "line velocity," the velocity component parallel with the average downstream flow line.

The AVM measures the average water velocity along the acoustic path (VP, figure 1); then computes the "line velocity," the velocity component parallel with the average downstream flow line.

Photograph of Dr. Ben Gutierrez moderating a session at the 2019 diversity workshop
Ben Gutierrez moderating Partnership in Education Program (PEP) panel
Ben Gutierrez moderating Partnership in Education Program (PEP) panel
Ben Gutierrez moderating Partnership in Education Program (PEP) panel

Woods Hole Coastal and Marine Science Center geologist, Ben Gutierrez, moderates a panel at the 2019 Partnership Eucation Program (PEP) 10th Anniversity Conference and Celebration, Woods Hole, MA June 28-30, 2019.

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