Imaging · dataset · 2025
GPM DPR Ka Environment L2A 1.5 hours 5 km V07 (GPM_2AKaENV) at GES DISC
Listed in NASA Data Portal
Version 07 is the current version of the data set.
Description
Older versions will no longer be available and have been superseded by Version 07. . This is environmental data that includes the profiles of atmospheric parameters assumed in the L2 retrieval algorithm.
The 2AKa algorithm provides precipitation estimates from the Ka radar of the Dual-Frequency Precipitation Radar on the core GPM spacecraft. The product contains two swaths of data corresponding to the scans of the Ka radar. The first swath contains matched scans (MS), which are intended to be co-aligned with the Ku-band instantaneous fields of view (IFOV).
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The second swath contains the high-sensitivity scans (HS), which are interleaved between the Ku/Ka-MS swaths. Both swaths are narrow and centered within the interior of the Ku swath. This is a single-frequency retrieval of precipitation; no information from the Ku radar is used.
The retrievals are performed at each radar range bin along the slant path of the radar IFOV for each swath. This is a single-frequency retrieval that relies on Ka-band data only. While the 2ADPR dual-frequency retrieval should give better overall estimates, that algorithm requires co-aligned Ku-band data.
This 2AKa product will be produced independently and would not be impacted by any operational issues with the Ku-band radar. The high sensitivity to smaller hydrometeors should result in precipitation estimates in lighter precipitation than the Ku-only data.
Links
Get the data
- Get a related visualization docserver.gesdisc.eosdis.nasa.gov/public/project/GPM/browse/GPM_2AKaENV.png ↗
download · from data nasa gov
- This dataset's landing page disc.gsfc.nasa.gov/datacollection/GPM_2AKaENV_07.html ↗
download · from data nasa gov
- Download this dataset through a directory map gpm1.gesdisc.eosdis.nasa.gov/data/GPM_L2/GPM_2AKaENV.07 ↗
download · from data nasa gov
- Download this dataset through Earthdata Search search.earthdata.nasa.gov/search?q=GPM_2AKaENV_07 ↗
download · from data nasa gov
- Use OPeNDAP to access the dataset's data gpm1.gesdisc.eosdis.nasa.gov/opendap/GPM_L2/GPM_2AKaENV.07/contents.html ↗
download · from data nasa gov
- The dataset's project home page gpm.nasa.gov ↗
download · from data nasa gov
- View documentation related to this dataset gpmweb2https.pps.eosdis.nasa.gov/pub/stout/helpdesk/filespec.GPM.V7.pdf ↗
download · from data nasa gov
- View this dataset's documented anomalies gpmweb2https.pps.eosdis.nasa.gov/tsdis/AB/docs/gpm_anomalous.html ↗
download · from data nasa gov
- View documentation related to this dataset pps.gsfc.nasa.gov/gpminstruments.html ↗
download · from data nasa gov
Where it is published
- NASA Data Portal dataset page data.nasa.gov/dataset/gpm-dpr-ka-environment-l2a-1-5-hours-5-km-v07-gpm-2aka… ↗
landing page · from data nasa gov
Catalogue records · 1
- CKAN API data.nasa.gov/api/3/action/package_show?id=ba6a843f-f88d-4f8b-b5d3-fff9f5b5e… ↗
metadata API · from data nasa gov
Topics
- From keywords
- Earth & Environmental Science · Ocean & Atmospheric Science
- Inferred from text
- Atmospheric sciences 71%
Provenance · 1 source records, 9 field assertions
| Source | Key | Last seen | Raw |
|---|---|---|---|
| NASA Data Portal | ba6a843f-f88d-4f8b-b5d3-fff9f5b5e5e8 | 11 d ago | JSON v1 |
| Field | Assertion | Extractor | Evidence |
|---|---|---|---|
| concepts[field].anzsrc:group:3701 | enrichment · data nasa gov | taxonomy-embedding@1.1.0 | title+keywords+description (71%) |
| concepts[field].local:field:earth-environmental | mapping · data nasa gov | connector:data_nasa_gov@1.0.0 | |
| concepts[field].local:field:ocean-atmospheric | mapping · data nasa gov | connector:data_nasa_gov@1.0.0 | |
| created_date | source · data nasa gov | connector:data_nasa_gov@1.0.0 | |
| description | source · data nasa gov | connector:data_nasa_gov@1.0.0 | /notes |
| license_text | source · data nasa gov | connector:data_nasa_gov@1.0.0 | |
| publication_date | source · data nasa gov | connector:data_nasa_gov@1.0.0 | |
| title | source · data nasa gov | connector:data_nasa_gov@1.0.0 | /title |
| updated_date | source · data nasa gov | connector:data_nasa_gov@1.0.0 |