Retrieving data from the ADS

The ads data source provides access to the Copernicus Atmosphere Data Store (ADS).

import earthkit.data as ekd

Getting GRIB data

ds = ekd.from_source(
    "ads",
    "cams-global-reanalysis-eac4",
    request=dict(
        variable=["particulate_matter_10um", "particulate_matter_1um"],
        area=[50, -50, 20, 50],  # N,W,S,E
        date="2012-05-10",
        time="12:00",
    ),
)

ds.ls()

	centre	shortName	typeOfLevel	level	dataDate	dataTime	stepRange	dataType	number	gridType
0	ecmf	pm10	surface	0	20120510	1200	0	an	0	regular_ll
1	ecmf	pm1	surface	0	20120510	1200	0	an	0	regular_ll

Getting NetCDF data

ds1 = ekd.from_source(
    "ads",
    "cams-global-reanalysis-eac4",
    request=dict(
        variable=["particulate_matter_10um", "particulate_matter_1um"],
        area=[50, -50, 20, 50],  # N,W,S,E
        date="2012-05-10",
        time="12:00",
        format="netcdf",
    ),
)

ds1.ls()

	variable	level	valid_datetime	units
0	pm10	None	2012-05-10T12:00:00	kg m**-3
1	pm1	None	2012-05-10T12:00:00	kg m**-3