clms_lwq-nrt_global_300m_10daily_v2·dataset
Global lake water-quality monitoring, 2024-present (Copernicus)
CLMS LWQ NRT Global 300m 10-daily V2
hydrosphere ESA ESA Copernicus active COGNetCDF
In plain English
What it measures. Delivers near-real-time, ten-day readings of water-quality indicators for many medium and large lakes around the world, continuing from September 2024 onward.
How it's made. Built by ESA Copernicus from the Sentinel-3 OLCI sensor at roughly 300-meter resolution.
How & where you'd use it. Helps environmental agencies and researchers keep an up-to-date watch on lake algae, pollution, and clarity worldwide.
What's measured
CopernicusCLMSLWQLake Water Qualityinland water qualityglobal10-daily300mSentinel-3OLCI
Coverage & cadence
- Time span2024-09-01 → 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
Provides semi-continuous observations for a large number of medium and large-sized lakes. 10-daily observations are available in near real time at 300 m spatial resolution from September 2024 to present, derived from Sentinel-3 OLCI.
Get the data
# 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_lwq-nrt_global_300m_10daily_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 / xarrayBrowsing the Copernicus STAC is open; downloading bytes needs a free Copernicus Data Space account.
Official links
- Open data source Copernicus STAC