Images

The first USGS streamgage, at Embudo, New Mexico, just turned 125 years old.

USGS scientist Jamie Macy tracks the time-of-arrival of the pulse flow on March 24. 

RML Reston Microbiology Main laboratory

RML Reston Microbiology Laboratory Molecular Lab

RML Reston Microbiology Laboratory Gel Electrophoresis

USGS scientist Jeff Kennedy prepares to measure the change in gravity caused by changing aquifer storage for Minute 319 studies. 

Ice Jams in Redwater River near Vida, MT.

USGS scientist Jon Thomas collecting time-domain electromagnetic sounding in the Texas southern high plains to measure hydrogeologic properties below the land surface.

Ice Jams in Powder River at Arvada, WY, downstream of the bridge.

USGS hydrologic technician Jim Caldwell uses an aluminum tube and scale to measure snow depth, snow water content and snow density as part of the Maine Cooperative Snow Survey. This survey is conducted throughout Maine in the spring to aid in the evaluation of flood potential by the Maine River Flow Advisory Commission.

Robert Bradley, a hydrologic technician with the Massachusetts USGS Office, headed to Maine to experience a winter ice measurement trip with Laura Flight, a hydrologic technician from the Maine USGS Office.

Screen capture of ModelMuse with a mesh and the words "In SUTRA, some data are specified at nodes and some data are specified at elements."

This image is a screen capture of ModelMuse with the words "To define time schedules, select 'ModelSUTRA Time Controls.'"

Screen capture of ModelMuse with the words "Objects are used to specify boundary conditions and observations."

Screen capture of ModelMuse with a visualization of the SUTRA permeability. The image is intended to be used as a thumbnail for a video.

This image shows a 3D SUTRA mesh that has layers that pinch out. The image is intended to be used as the thumbnail for a video.

ModelMuse screen capture with the words "This video will show how to run SUTRA and view the model results."

ModelMuse screen capture with the text "This is the first of several videos that give an introduction to working with SUTRA in ModelMuse."

This video describes some of the most obvious changes to ModelMuse when working with SUTRA models.

ModelMuse screen capture to be used as a thumbnail for a video about creating meshes.

USGS hydrologists ready a 287-lb D-99 bag sampler to deploy in the Mississippi River.  The USGS regularly collects samples for water-quality analysis from the large rivers of the Nation; data are available at https://cida.usgs.gov/quality/rivers/home.