Unified Interior Regions

South Dakota

Surface water and groundwater provide important water supplies in South Dakota. Major rivers include the Big Sioux, James, Cheyenne, and Missouri Rivers. Key aquifers include the Dakota, Madison, Minnelusa, and Big Sioux aquifers. The Dakota Water Science Center has many studies that focus on these resources as well various other national and international studies. 

Link to Science Center

States L2 Landing Page Tabs

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January 31, 2017

Getting Started with MODIS V6 Surface Reflectance Data Part 2

Getting Started with MODIS Version 6 Surface Reflectance Data Part 2: Using the Data This video focuses on the National Aeronautics and Space Administration’s (NASA) Terra and Aqua Moderate Resolution Imaging Spectroradiometer (MODIS) Version 6 Surface Reflectance data distributed by NASA’s Land Processes Distributed Active Archive Center (LP DAAC). Information about the

December 31, 2016

Changes in Canopy Cover with NASA MODIS Leaf Area Index Data

Did you know that tree canopy cover can be measured from space? The Moderate Resolution Imaging Spectroradiometer (MODIS) sensor onboard NASA’s Terra and Aqua satellites can do just that by providing data that are used to calculate Leaf Area Index (LAI). LAI is a measurement of green leaf area in broadleaf tree canopies and needle surface area in coniferous tree canopies.

December 31, 2016

Annual Progression of Global Vegetation with NASA MEaSUREs VIP

The seasonal progression of global vegetation is driven by the tilt of the Earth's rotational axis and its annual orbit around the Sun. In turn, global seasonality drives major changes in important environmental factors such as global atmospheric carbon dioxide concentrations. This data visualization illustrates this phenomenon using weekly Enhanced Vegetation Index 2 (

December 31, 2016

An Introduction to MODIS Version 6 Data

This video focuses on the National Aeronautics and Space Administration’s (NASA) Terra and Aqua Moderate Resolution Imaging Spectroradiometer (MODIS) Version 6 land data distributed by NASA’s Land Processes Distributed Active Archive Center (LP DAAC). This video will cover how to learn more about MODIS Version 6 data using the LP DAAC website, the MODIS file naming

November 30, 2016

CEOS Plenary 2017

An invitation and introduction to the 2017 CEOS Plenary being held in the Black Hills near Rapid City, SD.
 

October 31, 2016

EROS | EarthExplorer: Perform A General Search

This tutorial shows you how to search EarthExplorer using latitude and longitude coordinates.

October 31, 2016

EROS | EarthExplorer: How to do a bulk download

This tutorial shows you how to do a bulk download of satellite imagery using EarthExplorer. The website can be found at earthexplorer.usgs.gov.

October 31, 2016

GEO XIV Plenary 2017

This video is an invitation and introduction to the GEO XIV Plenary being held in Washington, D.C. in 2017.

April 29, 2016

Perchlorate and Selected Metals in Water and Soil within Mount Rushmore National Memorial

Author interview on report "Perchlorate and selected metals in water and soil within Mount Rushmore National Memorial, South Dakota, 2011–15," U.S. Geological Survey Scientific Investigations Report 2016-5030. An environmental concern to water resources within Mount Rushmore National Memorial has been the annual aerial display of fireworks at the memorial for the

Image: South Dakota Cooperative Fish and Wildlife Research Unit
March 20, 2016

South Dakota Cooperative Fish and Wildlife Research Unit

Mike Greiner, M.S. student, South Dakota Coop Unit.  Mike is studying limnology of Bureau of Reclamation Reservoirs in North Dakota.

Image: South Dakota Cooperative Fish and Wildlife Research Unit
March 20, 2016

South Dakota Cooperative Fish and Wildlife Research Unit

Trevor Selch, Ph.D. student at the South Dakota Unit is studying effects of mercury on walleye reproduction.  Dr. Steven Chipps, AUL-Fisheries, pictured at right.