Data

Use the interface below to filter and download available NLCD products. Click (here) for NLCD Science Research Products which offer more comprehensive delineation of shrub and grass classes and information about change disturbance. For access to dynamic MRLC viewer applications and tools, click (here).

 

Urban Imperviousness

NLCD imperviousness products represent urban impervious surfaces as a percentage of developed surface over every 30-meter pixel in the United States. The NLCD 2021 release is update based, so the Impervious Surface products released in 2019 are unchanged and can be used directly with NLCD 2021.This update provides integrated analysis throughout all dates and includes a matching impervious surface descriptor layer. This descriptor layer identifies types of roads, wind tower sites, building locations, and energy production sites to allow a deeper analysis of developed features. No new imperviousness products for Alaska, Hawaii and Puerto Rico are available for NLCD 2021. (Read More)

NLCD 2001 Percent Developed Impervious (HAWAII)

Islands & Territories | 2001

NLCD 2001 Percent Developed Imperviousness (PUERTO RICO)

Islands & Territories | 2001

Exotic Annual Grass

The Exotic Annual Grass (EAG) abundance dataset provides early season percent cover estimate of the exotic grass species in 30m spatial resolution for a mapped year in rangeland ecosystems of western United States. We plan to release these EAG estimates multiple times each year in early growing season. EAG is a continuous field consisting of abundance of non-native grass species whose life history is complete in one growing season. Cheatgrass (Bromus tectorum) is a dominant species, but this dataset also includes Bromus arvensis L., Bromus briziformis Fisch. & C.A. Mey. Bromus catharticus Vahl, Bromus commutatus Schrad, Bromus diandrus Roth, Bromus hordeaceus L., Bromus hordeaceus spp. Hordeaceus, Bromus japonicus Thunb, Bromus madritensis L., Bromus madritensis L. ssp. rubens (L.) Duvin, Bromus racemosus L., Bromus rubens L., Bromus secalinus L., Bromus texensis (Shear) Hitchc, and medusahead (Taeniatherum caput-medusae (L.) Nevski). A main objective of releasing these maps is to provide a tool for better monitoring EAG dynamics and informing conservation and management efforts at local to regional scales.  (Read More)

Exotic Annual Grass Confidence Level June 19th, 2023

Western U.S. | 2023

Exotic Annual Grass Percent Cover June 19th, 2023

Western U.S. | 2023

Exotic Annual Grass Confidence Level June 12th, 2023

Western U.S. | 2023

Exotic Annual Grass Percent Cover June 12th, 2023

Western U.S. | 2023

Exotic Annual Grass Confidence Level June 5th, 2023

Western U.S. | 2023

Exotic Annual Grass Percent Cover June 5th, 2023

Western U.S. | 2023

Exotic Annual Grass Confidence Level May 29th, 2023

Western U.S. | 2023

Exotic Annual Grass Percent Cover May 29th, 2023

Western U.S. | 2023

Exotic Annual Grass Confidence Level May 22nd, 2023

Western U.S. | 2023

Exotic Annual Grass Percent Cover May 22nd, 2023

Western U.S. | 2023

Exotic Annual Grass Confidence Level May 15th, 2023

Western U.S. | 2023

Exotic Annual Grass Percent Cover May 15th, 2023

Western U.S. | 2023

Exotic Annual Grass Confidence Level May 8th, 2023

Western U.S. | 2023

Exotic Annual Grass Percent Cover May 8th, 2023

Western U.S. | 2023

Exotic Annual Grass Confidence Level May 1st, 2023

Western U.S. | 2023

Exotic Annual Grass Percent Cover May 1st, 2023

Western U.S. | 2023

Exotic Annual Grass Percent Cover - July 01, 2022

Western U.S. | 2022

Exotic Annual Grass Confidence Level - July 01, 2022

Western U.S. | 2022

Exotic Annual Grass Percent Cover - June 15, 2022

Western U.S. | 2022

Exotic Annual Grass Confidence Level - June 15, 2022

Western U.S. | 2022

Exotic Annual Grass Percent Cover - June 03, 2022

Western U.S. | 2022

Exotic Annual Grass Confidence Level - June 03, 2022

Western U.S. | 2022

Exotic Annual Grass Percent Cover - May 18, 2022

Western U.S. | 2022

Exotic Annual Grass Confidence Level - May 18, 2022

Western U.S. | 2022

Exotic Annual Grass Percent Cover - May 06, 2022

Western U.S. | 2022

Exotic Annual Grass Confidence Level - May 06, 2022

Western U.S. | 2022

Exotic Annual Grass Percent Cover - July 2021

Western U.S. | 2021

Exotic Annual Grass Confidence Level - July 2021

Western U.S. | 2021

Exotic Annual Grass Percent Cover - May 2021

Western U.S. | 2021

Exotic Annual Grass Confidence Level - May 2021

Western U.S. | 2021

RCMAP - Time-Series - Cover

V5 RCMAP Factsheet.pdf2.14 MB

The RCMAP product suite includes 10 components: annual herbaceous, bare ground, herbaceous, litter, non-sagebrush shrub, perennial herbaceous, sagebrush, shrub, tree, and shrub height. Data characterize the percentage of each 30-meter pixel in the Western United States covered by each component for each year from 1985-2023 - providing change information for 39 years. Because of file size limitations, individual years of component cover data are packaged in three time intervals including 1985-1996, 1997-2008, and 2009-2023. Perennial herb and non-sagebrush shrub are derivatives of herbaceous and annual herbaceous cover, and shrub and sagebrush cover, respectively. (Read More)

RCMAP Annual Herbaceous Cover

Western U.S. | 2009-2023

RCMAP Shrub Cover

Western U.S. | 2009-2023

RCMAP Shrub Cover

Western U.S. | 1997-2008

RCMAP Shrub Cover

Western U.S. | 1985-1996

RCMAP Sagebrush Cover

Western U.S. | 2009-2023

RCMAP Sagebrush Cover

Western U.S. | 1997-2008

RCMAP Sagebrush Cover

Western U.S. | 1985-1996

RCMAP Litter Cover

Western U.S. | 2009-2023

RCMAP Litter Cover

Western U.S. | 1997-2008

RCMAP Litter Cover

Western U.S. | 1985-1996

RCMAP Herbaceous Cover

Western U.S. | 2009-2023

RCMAP Herbaceous Cover

Western U.S. | 1997-2008

RCMAP Herbaceous Cover

Western U.S. | 1985-1996

RCMAP Bare Ground Cover

Western U.S. | 2009-2023

RCMAP Bare Ground Cover

Western U.S. | 1997-2008

RCMAP Bare Ground Cover

Western U.S. | 1985-1996

RCMAP Non-sagebrush Shrub Cover

Western U.S. | 2009-2023

RCMAP Perennial Herbaceous Cover

Western U.S. | 2009-2023

RCMAP Tree Cover

Western U.S. | 2009-2023

RCMAP Shrub Height

Western U.S. | 2009-2023

RCMAP Annual Herbaceous Cover

Western U.S. | 1997-2008

RCMAP Non-sagebrush Shrub Cover

Western U.S. | 1997-2008

RCMAP Perennial Herbaceous Cover

Western U.S. | 1997-2008

RCMAP Tree Cover

Western U.S. | 1997-2008

RCMAP Shrub Height

Western U.S. | 1997-2008

RCMAP Annual Herbaceous Cover

Western U.S. | 1985-1996

RCMAP Non-sagebrush Shrub Cover

Western U.S. | 1985-1996

RCMAP Perennial Herbaceous Cover

Western U.S. | 1985-1996

RCMAP Tree Cover

Western U.S. | 1985-1996

RCMAP Shrub Height

Western U.S. | 1985-1996

Ecological Potential

Rangeland Ecological Potential - Component Cover, Cover Departure, and Vegetation States. Ecological Potential rangeland fractional cover data products represent the potential cover given the most productive, least disturbed, portion of the 1985-2020 Landsat archive. Models used to predict Ecological Potential cover were trained on ecologically intact sites where annual herbaceous cover is low, no known disturbance or land treatment has occurred over the study period, and bare ground cover is relatively lower than expectations (Read More)

Ecological Potential Bare Ground Cover

Western U.S.

Ecological Potential Sagebrush Cover

Western U.S.

Ecological Potential Perennial Herbaceous Cover

Western U.S.

Ecological Potential Litter Cover

Western U.S.

Ecological Potential Shrub Cover

Western U.S.

Percent Error for Ecological Potential Bare Ground

Western U.S.

Percent Error for Ecological Potential Sagebrush

Western U.S.

Percent Error for Ecological Potential Perennial Herbaceous

Western U.S.

Percent Error for Ecological Potential Litter

Western U.S.

Percent Error for Ecological Potential Shrub

Western U.S.

Departure of Bare Ground Cover

Western U.S.

Departure of Sagebrush Cover

Western U.S.

Departure of Perennial Herbaceous Cover

Western U.S.

Departure of Litter Cover

Western U.S.

Departure of Shrub Cover

Western U.S.

Ecological Potential Vegetation State

Western U.S.

2018 Vegetation State

Western U.S.