Datasets/PACE_HARP2_L2

d042·dataset

Clouds & haze from many angles

PACE HARP2 Polarimetric L2 Cloud/Aerosol Properties

OB.DAAC PACE_HARP2_L2 cloud-native ~3 km ~2-day revisit NetCDF atmosphereaerosolscloudsradiative-forcing

Multi-angle (60 angles) polarimetric retrievals of aerosol size + refractive index. Step-change in aerosol microphysics from space.

PACE HARP2 Polarimetric L2 Cloud/Aerosol Properties

Multi-angle (60 angles) polarimetric retrievals of aerosol size + refractive index. Step-change in aerosol microphysics from space.

Access

Python (earthaccess): search by 'PACE_HARP2' keyword
Portal: https://oceandata.sci.gsfc.nasa.gov/

Gotchas

Polarimetry retrievals are computationally intensive — products lag
Complements SPEXone (narrow-swath higher-precision) on the same satellite

Sources

https://oceandata.sci.gsfc.nasa.gov/

The access details, code, and sources below are kept in the original English for technical accuracy.

Quick access (cloud-direct)

pace_harp2_l2_access.py

import earthaccess
earthaccess.login(strategy="netrc")

results = earthaccess.search_data(
    short_name="PACE_HARP2_L2*",
    bounding_box=(-122.5, 37.2, -121.8, 37.9),
    temporal=("2024-01-01", "2024-12-31"),
)
files = earthaccess.open(results)   # stream from OB.DAAC

Browsing CMR needs no login. Downloading or streaming bytes needs a free Earthdata Login + the earthaccess package.

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