Technical Announcements

Explore the technical news that focuses on data, methodologies, and more.

Filter Total Items: 314
Illustration of Landsat 7 in orbit
March 24, 2017

Access to consistent high-quality images to study changes on Earth’s surface is getting easier. The USGS Landsat standard (Level-1) product inventory is now structured by data quality and offers improved calibration. Data designated as Tier 1 provide the highest accuracy and can be reliably used to analyze changes to Earth’s surface over time.

Map portraying FY17 Lidar Partnership awards
March 14, 2017

Collaboration funding continues to move the 3D Elevation Program forward

USGS: Science for a changing world
March 8, 2017

In order to provide long-term storage of diverted surface water from the Rio Grande as part of the Aamodt water rights settlement, managed aquifer recharge by surface infiltration in Pojoaque River Basin arroyos was proposed as an option.

Pie Diagram for Sulfur Showing Standard and Conventional Atomic Weight
March 7, 2017

The new table includes both standard and conventional atomic weights values to clarify that many atomic weights have natural variation and to provide single values for chemical education use

Pan-Arctic Map of Thermokarst
March 6, 2017

Geospatial data – a tool for better informed decisions and more efficient administration of the Arctic.

Illustration of Landsat 7 in orbit
February 27, 2017

On Tuesday, February 7, Landsat 7’s Flight Operations Team fired the spacecraft’s 1-pound thrusters for about 13 minutes. After a pause of about 7½ hours, the thrusters fired a second time for about 13 minutes.This was the last such maneuver for Landsat 7 and the beginning of the end for the satellite, which has provided images of the earth’s changing resources for more than 17 years. 

Sagebrush-steppe landscapes have changed in fundamental ways over the past 100 years.
February 14, 2017

The sagebrush ecosystem in the western U.S is one of the largest ecosystems in North America, but it is also threatened from wildfire and invasive plants. “Restoration of these unique ecosystems will help sustain wildlife and livelihoods throughout the West," said David Pyke, the USGS ecologist and lead author of the final installment of a three-part sagebrush restoration handbook. 

Centrifuge Bowl Containing River Suspended Sediment
February 13, 2017

The U.S. Geological Survey published a new report highlighting a portable continuous-flow centrifuge which aims to save time and money on contaminant analysis of particles suspended in water samples.

February 8, 2017

A new JavaScript library, called GWIS (Graphing Water Information System), can create time-series plots of information measured at U.S. Geological Survey hydrologic data collection sites across the United States.

High Resolution Orthoimagery coverage map on The National Map
February 8, 2017

The USGS announces the sunset of National Map High Resolution Orthoimagery Data and Service

Freshwater Stream
January 30, 2017

Consistent, national-scale and long-term water-quality monitoring of the Nation's rivers and streams has declined, in some cases, by more than half over time