AirMSPI Terrain-Projected Radiance Data from ImPACT-PM Campaign
Updated 2mo ago
17filesBIN
Available on 2 platforms
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Description
AirMSPI_ImPACT-PM_Terrain-projected_Georegistered_Radiance_Data contains airborne multi-angle spectro-polarimetric imagery from the Airborne Multi-angle SpectroPolarimetric Imager (AirMSPI) instrument. The dataset provides georegistered radiance and polarization data across eight spectral bands (355, 380, 445, 470, 555, 660, 865, and 935 nm), collected during the July 2016 ImPACT-PM flight campaign. It was produced by the NASA Langley Research Center Atmospheric Science Data Center (LARC_ASDC) as a precursor to the Multi-Angle Imager for Aerosols mission.
Use Cases
Retrieving atmospheric particle type distributions, using radiance and Stokes parameters Q and U at 470, 660, and 865 nm.
Analyzing aerosol and cloud properties via multi-angle radiance data across eight spectral bands.
Calibrating and validating satellite aerosol retrieval algorithms, leveraging the georegistered, terrain-projected format.
Studying surface reflectance and polarization signatures using degree of linear polarization (DOLP) and angle of linear polarization (AOLP) data.
Strengths
Includes polarization data (Stokes Q, U, DOLP, AOLP) at three wavelengths, enabling detailed aerosol analysis.
Covers a specific, focused campaign period (July 5-8, 2016) with coordinated flights from ER-2 and Twin Otter aircraft.
Data is georegistered and terrain-projected, facilitating direct spatial analysis and integration with other geospatial datasets.
Limitations
Critical metadata conflicts exist: the 'last updated' date differs significantly between NASA EarthData (2016-07-08) and Data.gov (2026-03-13).
Key technical specifications like row count, file size, and exact column names are unknown across all sources.
The license is inconsistently reported, listed as 'other-license-specified' on Data.gov but unknown on NASA EarthData.
Provenance
Source
NASA Langley Research Center Atmospheric Science Data Center (LARC_ASDC)
Collection Method
Acquired via the Airborne Multi-angle SpectroPolarimetric Imager (AirMSPI) instrument flown on an ER-2 aircraft during the ImPACT-PM campaign.
Time Range
July 5, 2016 to July 8, 2016
Freshness
2026-03-13 19:12:30.276510
Geography
Flight campaign operated from Armstrong Flight Research Center in Palmdale, CA and Monterey, CA; specific target areas not detailed.
Files are distributed in HDF-EOS-5 format. License information is unclear and conflicts between sources. The dataset's presence on multiple government platforms indicates its foundational role for atmospheric research.