National Land Cover Database (NLCD)#

nlcd · theme land · live

Land cover, impervious surface and change products for the conterminous United States at 30 m. Annual NLCD covers 1985-2024; the official 2021 release covers the 2001-2021 epochs and the science products.

import easysnowdata as esd

aoi = (-121.94, 46.72, -121.54, 46.99)   # Mount Rainier
data = esd.land.nlcd.load(aoi)

Credentials

The default route needs earthengine; see the credentials page for the setup.

Sources#

2 routes serve this product; the first is the default and source= picks another. The return contract is the same either way.

source

provider

credentials

resolution

extent

temporal

latency

notes

gee-annual (default)

gee

earthengine

30 m

CONUS

1985/2024 (annual)

annual

community mirror of Annual NLCD collection 1.x on Earth Engine; the official release is frozen at 2021, so this is the default for a land-cover time series

gee

gee

earthengine

30 m

CONUS

2001-2021 epochs

—

the official release; class tables come from the asset properties at run time

Where each route points#

gee-annual — Earth Engine (Annual NLCD) live

projects/sat-io/open-datasets/USGS/ANNUAL_NLCD/<LAYER>

gee — Earth Engine (2021 release) live

USGS/NLCD_RELEASES/2021_REL/NLCD

Variables#

variable

units

dtype

nodata

categorical

landcover

—

uint8

—

no

impervious

%

uint8

—

no

Provenance#

Licence · Public domain (US government data)

DOI · 10.5066/P9JZ7AO3

Cite the data as

Dewitz, J. (2023). National Land Cover Database (NLCD) 2021 Products. U.S. Geological Survey data release. Annual NLCD: U.S. Geological Survey (2024), Annual NLCD Collection 1 Science Products.

Documentation

Loader · easysnowdata.land.nlcd.load