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Full catalog/clms_wb_global_300m_monthly_v2
clms_wb_global_300m_monthly_v2·dataset

Monthly global permanent-water map at 300m (Copernicus)

CLMS WB Global 300m monthly V2
hydrosphere ESA ESA Copernicus active COGNetCDF
In plain English

What it measures. Shows where water permanently covers the land surface worldwide, at 300-metre resolution and updated each month.

How it's made. Generated from Copernicus Sentinel-2 imagery by the EU's Copernicus Land Monitoring Service, running from 2020 to the present.

How & where you'd use it. Supports ongoing monitoring of lakes and inland waters, helpful for water management, drought watch, and tracking seasonal change.

What's measured

CopernicusCLMSWBWater Bodiesinland waterglobalmonthly300mSentinel-2MSI

Coverage & cadence

  • Time span2020-10-01 → ongoing
  • Spatial extent-179.9999999, -60, 179.9999999, 80
  • FormatsCOG, NetCDF

What you can do with it

  • Follow rainfall, floods and surface-water extent
  • Track soil moisture and the onset of drought
  • Monitor lakes, rivers and groundwater storage
Official description

Provides information about the surface extent covered by water on a permanent basis. The data are available at global scale in the spatial resolution of 300 m, available monthly, from 2020 to present.

Get the data

copernicus_access.py
# ESA Copernicus Data Space — open STAC API (free account)
from pystac_client import Client

cat = Client.open("https://stac.dataspace.copernicus.eu/v1")
search = cat.search(
    collections=["clms_wb_global_300m_monthly_v2"],   # add _cog or _nc for a format variant
    bbox=(-10, 35, 30, 60),             # your area (W,S,E,N)
    datetime="2024-01-01/2024-12-31",
)
items = list(search.items())            # then read assets with rioxarray / xarray
Browsing the Copernicus STAC is open; downloading bytes needs a free Copernicus Data Space account.