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Full catalog/clms_hf_global_300m_daily_v1
clms_hf_global_300m_daily_v1·dataset

Global map of heat rising from the land surface (Copernicus)

CLMS HF Global 300m daily V1
land ESA ESA Copernicus active COG
In plain English

What it measures. Estimates the heat energy leaving the land surface, split into latent heat (energy carried away as water evaporates) and sensible heat (energy that directly warms the air), plus one auxiliary layer.

How it's made. Produced by ESA Copernicus for each Sentinel-3 satellite pass in near real time at about 300-metre detail.

How & where you'd use it. Helps study the land's energy and water balance, drought and heat stress, and supports weather and climate modelling. This version starts in November 2025.

What's measured

CopernicusCLMSHFHeat Fluxenergy balanceglobaldaily300mSentinel-3OLCISLSTR

Coverage & cadence

  • Time span2025-11-01 → ongoing
  • Spatial extent-179.9999999, -65, 179.9999999, 85
  • FormatsCOG

What you can do with it

  • Track deforestation, fire scars and land-cover change
  • Monitor crop and vegetation health (NDVI/EVI)
  • Map how built-up vs. green an area is over time
Official description

Provides latent and sensible heat fluxes with one auxiliary information. Estimates are provided for each Sentinel-3 overpass in near real time at global scale in the spatial resolution of about 300 m from November 2025 onwards.

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_hf_global_300m_daily_v1"],   # 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.