Near-Real-Time Cheatgrass Monitoring

Science Center Objects

The USGS Earth Resources Observation and Science (EROS) Center produces near-real-time estimates of annual herbaceous land cover for the Great Basin, Snake River Plain, Wyoming, and contiguous areas in the United States.

Estimates are based on enhanced Moderate Resolution Imaging Spectroradiometer (eMODIS) Normalized Difference Vegetation Index (NDVI) data at 250-meter resolution.

EROS has produced four datasets in total, with two editions for 2017 and two for 2018.

The most recent update is available for direct download from this page. To access prior estimates, visit that page and scroll down to “Associated Items.”

EROS previously produced near-real-time, 250-meter annual cheatgrass percent coverage estimates for 2016 and 2015 for the Northern Great Basin.

Click here to access 2016 data.

Click here to access 2015 data.