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Images
Bill Schulz, USGS Research Geologist, takes photographs of Puerto Rican hillsides from a U.S. Army helicopter to document landslides caused by Hurricane Maria.
Bill Schulz, USGS Research Geologist, takes photographs of Puerto Rican hillsides from a U.S. Army helicopter to document landslides caused by Hurricane Maria.
Coral reefs are prone to phase shifts where they quickly transition from coral-dominated to a uniformity of other organisms, typically algae. The Palmyra Atoll National Wildlife Refuge in the Central Pacific is a unique case where a transition from corals to corallimorphs occurred.
Coral reefs are prone to phase shifts where they quickly transition from coral-dominated to a uniformity of other organisms, typically algae. The Palmyra Atoll National Wildlife Refuge in the Central Pacific is a unique case where a transition from corals to corallimorphs occurred.
Photograph from page 19 of
An animated GIF of a bear rubbing up against a tree that appears to be dancing.
An animated GIF of a bear rubbing up against a tree that appears to be dancing.
USGS hydrographer measuring streamflow using a handheld Acoustic Doppler Velocimeter in fast moving floodwater Cajon Creek near Keenbrook, California.
USGS hydrographer measuring streamflow using a handheld Acoustic Doppler Velocimeter in fast moving floodwater Cajon Creek near Keenbrook, California.
USGS Streamgaging Station in northern Nevada.
USGS Streamgaging Station in northern Nevada.
USGS technician measuring streamflow in northern Nevada.
USGS technician measuring streamflow in northern Nevada.
Monarch butterfly on a Joe Pyeweed plant.
Monarch butterfly on a Joe Pyeweed plant.
A monarch butterfly on a hairy puccoon plant.
A monarch butterfly on a hairy puccoon plant.
For the first time, high-resolution images show the three-dimensional structure of massive ice deposits on Mars.
This NASA HiRISE image shows an icy scarp on Mars in the context of a broader area.
For the first time, high-resolution images show the three-dimensional structure of massive ice deposits on Mars.
This NASA HiRISE image shows an icy scarp on Mars in the context of a broader area.
Bats hibernating in a cave.
Bats hibernating in a cave.
Muddy Creek in the San Rafael Swell with white surface salts.
Muddy Creek in the San Rafael Swell with white surface salts.
Coral reefs are prone to phase shifts where they quickly transition from coral-dominated to a uniformity of other organisms, typically algae. The Palmyra Atoll National Wildlife Refuge in the Central Pacific is a unique case where a transition from corals to corallimorphs occurred.
Coral reefs are prone to phase shifts where they quickly transition from coral-dominated to a uniformity of other organisms, typically algae. The Palmyra Atoll National Wildlife Refuge in the Central Pacific is a unique case where a transition from corals to corallimorphs occurred.
While these gates might look similar to the entry way of a medieval castle, they are actually part of a scientific experiment that will help scientists design more effective fish passage structures for American Shad. Photo by Kevin Mulligan, USGS.
While these gates might look similar to the entry way of a medieval castle, they are actually part of a scientific experiment that will help scientists design more effective fish passage structures for American Shad. Photo by Kevin Mulligan, USGS.
Back cover photo from
Photo from pages 8 and 9 of
Photo from pages 8 and 9 of
A male lesser scaup at the USGS Eastern Ecological Science Center in Maryland. This bird was not part of this new research. Photograph taken in 2017. Credit: Jeffrey Sullivan, USGS.
A male lesser scaup at the USGS Eastern Ecological Science Center in Maryland. This bird was not part of this new research. Photograph taken in 2017. Credit: Jeffrey Sullivan, USGS.
USGS technician measuring streamflow in the Sisquoc River near Garey, California, upstream of the Santa Maria Mesa Road Bridge.
USGS technician measuring streamflow in the Sisquoc River near Garey, California, upstream of the Santa Maria Mesa Road Bridge.
USGS Streamgaging equipment and cableway on the Pit River near Canby, California operates year round.
USGS Streamgaging equipment and cableway on the Pit River near Canby, California operates year round.
A little brown bat (Myotis lucifugus) with white-nose syndrome hibernating in a Virginia cave during late spring of 2016.
A little brown bat (Myotis lucifugus) with white-nose syndrome hibernating in a Virginia cave during late spring of 2016.
This USGS Rapid Deployment Gauge was installed near Morovis, Puerto Rico, to monitor the Río Grande de Manatí after Hurricane Maria destroyed the permanent streamgage which typically monitors the river. USGS photo.
This USGS Rapid Deployment Gauge was installed near Morovis, Puerto Rico, to monitor the Río Grande de Manatí after Hurricane Maria destroyed the permanent streamgage which typically monitors the river. USGS photo.