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Chris Bird is making an ADCP measurement with an inflatable kayak at streamgage 12211200 Nooksack River at Everson, WA.

Chris Kephart and Harrison Dalby - discussing Ohio Microbiology Lab capabilities.

GSLC research fish biologist, Dr. Ed Roseman, delivers a plenary address at the Great Lakes Areas of Concern (AOC) conference on September 11-12, 2019.

National Geographic photographer, Keith Ladzinski, photographs live sea lamprey at Hammond Bay Biological Station on September 11, 2019 for an expansive article featuring the Great Lakes.

USGS technicial Scott Lydeen climbing the tower at the Strawberry Peak seismic station tower, part of the Southern California Seismic Network.

This mountain meadow inhabiting species is generally distinctive in its long copious stem and leaf hairs and inflorescences with congested white to pinkish or light purplish flowering heads that are surrounded by very long stem leaves.

The USGS and partners are studying how mangrove forests in the Federated States of Micronesia may respond to sea-level rise over the coming century. Their projections will help Micronesian communities plan for the future.

The Alaska North Slope is rich in gas hydrate-bearing formations which contain significant natural gas resources. The USGS has released a geologically based assessment for how much of these resources is technically recoverable.

Mangrove forest in Micronesia.

The USGS and partners are studying how mangrove forests in the Federated States of Micronesia may respond to sea-level rise over the coming century. Their projections will help Micronesian communities plan for the future.

Mangrove forest in Pohnpei, Micronesia.

The USGS and partners are studying how mangrove forests in the Federated States of Micronesia may respond to sea-level rise over the coming century. Their projections will help Micronesian communities plan for the future.

Mangrove roots in Micronesia.

The USGS and partners are studying how mangrove forests in the Federated States of Micronesia may respond to sea-level rise over the coming century. Their projections will help Micronesian communities plan for the future.

Mangrove forest in Micronesia.

The USGS and partners are studying how mangrove forests in the Federated States of Micronesia may respond to sea-level rise over the coming century. Their projections will help Micronesian communities plan for the future.

Overview of the high-resolution model grids from: “Dynamically downscaled future wave projections from SWAN model results for the main Hawaiian Islands”

There is a short window of opportunity to complete glacier repeat photography.  Scientists must wait until late summer, when seasonal snow has melted from the glacier surface and glacier margins can be identified.  This is also the time of year when weather and forest fire smoke can hamper photography and hiking.

USGS employee captures a repeat photo of Grinnell and Salamander Glaciers from the summit of Mt. Gould in Glacier National Park.

The first USGS groundwater level measurement recorded in this well is from 1874! The well was originally a flowing artesian well that was used as an active water supply. Routine monitoring began in 1946.

Members of the Micronesian Conservation Trust and other partners assist with fieldwork in the mangrove forest.

The USGS and partners are studying how mangrove forests in the Federated States of Micronesia may respond to sea-level rise over the coming century. Their projections will help Micronesian communities plan for the future.

An ablation stake which began the summer below the surface of the snow is shown here in the fall, extending far above bare ice surface of Wolverine Glacier, Alaska. A USGS scientist carries a portable steam drill, used to install the stakes in the glacier.

Civil Air Patrol captured this aerial image of Mauna Loa's summit caldera, Moku‘āweoweo, on Sunday, October 20, 2019. The true summit of Mauna Loa is located just to the right of the center of the image, at the highest location above the caldera wall in the background.