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The USGS is a science organization that provides impartial information on the health of our ecosystems and environment, the natural hazards that threaten us, the natural resources we rely on, the impacts of climate and land-use change, and the core science systems that help us provide timely, relevant, and useable information.

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GRSAT / ADAPS Middleware
GRSAT / ADAPS Middleware
GRSAT / ADAPS Middleware

This video show how pull data from- and save data to- ADAPS when using GRSAT.

This video show how pull data from- and save data to- ADAPS when using GRSAT.

Introduction to the Graphical Rating and Shift Application Tool
Introduction to the Graphical Rating and Shift Application Tool
Introduction to the Graphical Rating and Shift Application Tool

This video provides a general overview of GRSAT.

Maine Ice Out 2015 Kennebec River
Maine Ice Out 2015 Kennebec River
Maine Ice Out 2015 Kennebec River

Ice Out 2015 on the Kennebec River in Augusta, Maine

Ice Out 2015 on the Kennebec River in Augusta, Maine

Rating Extensions and Rating Dates using GRSAT
Rating Extensions and Rating Dates using GRSAT
Rating Extensions and Rating Dates using GRSAT

This video show how to extend ratings in the Graphical Rating and Shift Application Tool (GRSAT). It also shows how to set and edit the dates associated with active rating periods.

This video show how to extend ratings in the Graphical Rating and Shift Application Tool (GRSAT). It also shows how to set and edit the dates associated with active rating periods.

St John River Ice Jam
St John River Ice Jam
St John River Ice Jam

Ice Out 2015 on the Kennebec River in Augusta, Maine.

Ice Out 2015 on the Kennebec River in Augusta, Maine.

Working with Multiple Offsets in GRSAT
Working with Multiple Offsets in GRSAT
Working with Multiple Offsets in GRSAT

This video demonstrates how to develop multiple offset surface-water rating curves using GRSAT.

This video demonstrates how to develop multiple offset surface-water rating curves using GRSAT.

Working with Offsets in Graphical Rating and Shift Application Tool
Working with Offsets in Graphical Rating and Shift Application Tool
Working with Offsets in Graphical Rating and Shift Application Tool

This video show how use offsets when developing ratings in GRSAT.

Field Review of SonTek RiverSurveyor Stationary Live Data
Field Review of SonTek RiverSurveyor Stationary Live Data
Field Review of SonTek RiverSurveyor Stationary Live Data

This video discusses the basic field review procedures for midsection ADCP data collected in SonTek RiverSurveyor Stationary Live. Note: Use of trade names is for descriptive purposes only, and does not imply endorsement by the USGS.

This video discusses the basic field review procedures for midsection ADCP data collected in SonTek RiverSurveyor Stationary Live. Note: Use of trade names is for descriptive purposes only, and does not imply endorsement by the USGS.

PubTalk 3/2015 — The Environmental Legacy of California's Gold Rush
PubTalk 3/2015 — The Environmental Legacy of California's Gold Rush
PubTalk 3/2015 — The Environmental Legacy of California's Gold Rush

by Andrea Foster, USGS Research Geologist & Christopher Kim, Associate Professor, Chapman University

Drone Survey
Drone Survey
Drone Survey

USGS revolutionizes data collection by surveying a river channel within the Redlands area using a drone.

USGS revolutionizes data collection by surveying a river channel within the Redlands area using a drone.

Climate Vulnerability Assessment for Threatened Bull Trout
Climate Vulnerability Assessment for Threatened Bull Trout
Climate Vulnerability Assessment for Threatened Bull Trout

This webinar was conducted on March 10, 2015 as a part of the Climate Change Science and Management Webinar Series, co-hosted by the USGS National Climate Change and Wildlife Science Center and the USFWS National Conservation Training Center. Webinar Summary: Bull trout is the most cold-adapted fish in freshwaters of the Pacific Northwest.

This webinar was conducted on March 10, 2015 as a part of the Climate Change Science and Management Webinar Series, co-hosted by the USGS National Climate Change and Wildlife Science Center and the USFWS National Conservation Training Center. Webinar Summary: Bull trout is the most cold-adapted fish in freshwaters of the Pacific Northwest.

Quality of Our Nation's Groundwater
Quality of Our Nation's Groundwater
Quality of Our Nation's Groundwater

USGS will describe the occurrence of contaminants in groundwater, how natural features and human activities can affect groundwater quality, and how models are being used to predict contaminant concentrations in unmonitored areas and inform water-resource management decisions.

USGS will describe the occurrence of contaminants in groundwater, how natural features and human activities can affect groundwater quality, and how models are being used to predict contaminant concentrations in unmonitored areas and inform water-resource management decisions.

PubTalk 2/2015 — Undamming Washington's Elwha River
PubTalk 2/2015 — Undamming Washington's Elwha River
PubTalk 2/2015 — Undamming Washington's Elwha River

by Amy East USGS Research Geologist

  • Hear about river response to the largest dam removal in history.
  • Causing disturbance as a means of restoration: how well does it work?
  • Will legendary salmon runs return?

by Amy East USGS Research Geologist

  • Hear about river response to the largest dam removal in history.
  • Causing disturbance as a means of restoration: how well does it work?
  • Will legendary salmon runs return?
BRoll: An ADCP's View of Streamgaging
BRoll: An ADCP's View of Streamgaging
BRoll: An ADCP's View of Streamgaging

This short clip was made by attaching a GoPro camera to an acoustic Doppler current profiler. The clips shows USGS streamgage station 12304500, Yaak River near Troy, MT, and a hydrographer on the cableway using the ADCP to measure streamflow.

This short clip was made by attaching a GoPro camera to an acoustic Doppler current profiler. The clips shows USGS streamgage station 12304500, Yaak River near Troy, MT, and a hydrographer on the cableway using the ADCP to measure streamflow.

Under The Ice
Under The Ice
Under The Ice

On February 26, Nick Stasulis and Charlie Culbertson visited USGS station 01054200 Wild River at Gilead, Maine to make a streamflow measurement through the ice. For these measurements, 20-30 holes are drilled through the ice and a current meter (the spinning yellow cups) is used to measure velocity. River depths and distance across the channel are also measured.

On February 26, Nick Stasulis and Charlie Culbertson visited USGS station 01054200 Wild River at Gilead, Maine to make a streamflow measurement through the ice. For these measurements, 20-30 holes are drilled through the ice and a current meter (the spinning yellow cups) is used to measure velocity. River depths and distance across the channel are also measured.

Learning Hydrology
Learning Hydrology
Learning Hydrology

The Field Hydrology Class from the University of Arizona learns how to take a discharge measurement with USGS Hydrologist.

The Field Hydrology Class from the University of Arizona learns how to take a discharge measurement with USGS Hydrologist.

Oso Landslide Computer Simulations
Oso Landslide Computer Simulations
Oso Landslide Computer Simulations

A large destructive landslide occurred near Oso, Washington on March 22, 2014. Computer simulations indicate that it could have behaved very differently (with much less mobility and consequent destructiveness) if the ground had been less porous and water-saturated. This video shows the results of two computer simulations.

A large destructive landslide occurred near Oso, Washington on March 22, 2014. Computer simulations indicate that it could have behaved very differently (with much less mobility and consequent destructiveness) if the ground had been less porous and water-saturated. This video shows the results of two computer simulations.

Amplification
Amplification
Amplification

Shaking at a site may be increased, or amplified, by focusing of seismic energy caused by the materials in basins or by surface topography such as mountains.

Shaking at a site may be increased, or amplified, by focusing of seismic energy caused by the materials in basins or by surface topography such as mountains.

Asperity
Asperity
Asperity

An asperity is an area on a fault that is stuck. The earthquake rupture usually begins at an asperity.

An asperity is an area on a fault that is stuck. The earthquake rupture usually begins at an asperity.

Attenuation
Attenuation
Attenuation

When you throw a pebble in a pond, it makes waves on the surface that move out from the place where the pebble entered the water. The waves are largest where they are formed and gradually get smaller as they move away. This decrease in size, or amplitude, of the waves is called attenuation.

When you throw a pebble in a pond, it makes waves on the surface that move out from the place where the pebble entered the water. The waves are largest where they are formed and gradually get smaller as they move away. This decrease in size, or amplitude, of the waves is called attenuation.

Bat Thermal Video
Bat Thermal Video
Bat Thermal Video

Imagery from temperature-sensing cameras showing bats in hibernation. This new footage suggests that bats who warm up from hibernation together throughout the winter may be better at surviving white nose syndrome, a disease caused by a cold-loving fungus ravaging insect-eating bat populations in the United States and Canada.

Imagery from temperature-sensing cameras showing bats in hibernation. This new footage suggests that bats who warm up from hibernation together throughout the winter may be better at surviving white nose syndrome, a disease caused by a cold-loving fungus ravaging insect-eating bat populations in the United States and Canada.

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