Data Listing

Browse datasets from 18 LTAR sites

LTAR Data Inventory

There is a current network-level effort to inventory all cross-domain datasets for LTAR.  The purpose of the LTAR Data Inventory project is to enable the 18 LTAR sites to outline data holdings that will enhance data discoverability and data sharing across the LTAR network.   

The full data inventory and and Insights for ArcGIS exploratory dashboard can be accessed here (last four tabs):

Inventory matrix can be accessed here:


LTAR Standard GIS Data Layers

This effort created a geodatabase of standard GIS layers that represent locations and areas associated with the USDA Long-Term Agroecosystem Research (LTAR) Network as of 2021. The geodatabase includes spatial data describing LTAR site locations, addresses, experimental plots, fields and watersheds, eddy flux towers, and phenocams. There are six data layers in the geodatabase available to the public. This geodatabase was created in 2019-2020 by the LTAR network as a collaboration between the LTAR Remote Sensing and GIS working group and the LTAR Data Management working group. The process to create the geodatabase began with initial requests to LTAR site leads and data managers for geospatial data, followed by meetings with each LTAR site to review the initial draft. Edits were documented, and the final draft was again reviewed and certified by LTAR site leads or their delegates. Revisions to this geodatabase will occur biennially, with the next revision scheduled to be published in 2023.

An exploratory dashboard of the GIS layers reviewed by the 18 LTAR sites (click on image to open dashboard):

A web map with the 6 GIS layers is also available here:

Dataset DOI, obtained from Ag Data Commons: 10.15482/USDA.ADC/1521161


LTAR Real-time Met Data Repository (GeoEvent Server)


AgCROS Database API



GIS layers per LTAR site can be found here:


List of Available Remote Sensing and Geospatial Data Products


Related Data Resources

  • The National Agricultural Library’s Agricultural Thesaurus and Glossary are online vocabulary tools of agricultural terms in English and Spanish and are cooperatively produced by the National Agricultural Library, USDA, and the Inter-American Institute for Cooperation on Agriculture as well as other Latin American agricultural institutions belonging to the Agriculture Information and Documentation Service of the Americas (SIDALC).
  •  An online repository of policies, tools, case studies, and other resources to support data governance, management, exchange, and use throughout the federal government.
  •  The Geospatial Platform is a cross-agency collaborative effort and Shared Service that embodies the principles and spirit of Open Government, emphasizing government-to-citizen communication, accountability, and transparency.