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Full catalog/clms_swi_global_12.5km_10daily_v4
clms_swi_global_12.5km_10daily_v4·dataset

Worldwide soil moisture every 10 days, v4 (Copernicus)

CLMS SWI Global 12.5km 10-daily V4
hydrosphere ESA ESA Copernicus active COGNetCDF
In plain English

What it measures. An updated edition giving global soil moisture at various depths, summarised in 10-day intervals.

How it's made. ESA Copernicus generates it at 12.5-kilometre resolution from Metop ASCAT radar measurements.

How & where you'd use it. Feeds drought and crop-condition assessments and climate studies that rely on consistent, smoothed soil-moisture records.

What's measured

CopernicusCLMSSWISoil Water Indexsoil moistureglobal10-daily12.5kmMetopASCAT

Coverage & cadence

  • Time span2007-01-10 → ongoing
  • Spatial extent-180, -90, 180, 90
  • 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

Quantifies the moisture condition at various depths in the soil. 10-daily observations are available at global scale in the spatial resolution of 12.5 km.

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_swi_global_12.5km_10daily_v4"],   # 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.