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Full catalog/clms_wb_global_300m_monthly_v2
clms_wb_global_300m_monthly_v2·dataset

Monthly world map of permanent water, from Europe's Copernicus satellites (300 m detail)

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.