Imaging · collection · 2014
GPM GROUND VALIDATION DUAL POLARIZATION RADIOMETER GCPEX
Listed in NASA Earthdata CMR and NASA Data Portal — shown once because both records carry DOI 10.5067/gpmgv/gcpex/radiometer/data102
The GPM Ground Validation Dual Polarization Radiometer GCPEx dataset includes brightness temperature measurements at frequencies 90 GHz (not polarized) and 150 GHz (HV-polarized) for the GPM Cold-season Precipitation Experiment (GCPEx) which occurred in Ontario, Canada.
Description
GCPEx addressed shortcomings in the GPM snowfall retrieval algorithm by collecting microphysical properties, associated remote sensing observations, and coordinated model simulations of precipitating snow.
This dual polarization radiometer (DPR) is sensitive to particle orientation since it observes the brightness temperature difference between the vertical and horizontal polarization channels at 150 GHz, and it is especially important for the retrievals of particle shape and orientation with polarization observations. DPR also has a high sensitivity to the supercooled liquid water in clouds due to the high-frequency window channels.
Read the rest (1 more)
Even though the netCDF data has regular scans, the browse images are only shown at 30 and 150 degrees. Ancillary data was also captured for the internal calibration of the instrument.
Links
Get the data
- Resource ghrc.nsstc.nasa.gov/home/micro-articles/snow-microphysics-event-during-gcpex-field… ↗
Snow Microphysics Event during GCPEx Field Campaign
documentation · download · from NASA CMR, data nasa gov
- DPR ReadMe ghrc.earthdata.nasa.gov/browseui ↗
documentation · download · from NASA CMR, data nasa gov
- Instructions for citing GHRC data ghrc.nsstc.nasa.gov/home/about-ghrc/citing-ghrc-daac-data ↗
documentation · download · from NASA CMR, data nasa gov
- GCPEx Field Campaign Collection DOI doi.org/10.5067/gpmgv/gcpex/data101 ↗
documentation · download · from NASA CMR, data nasa gov
- Resource ghrc.nsstc.nasa.gov/pub/fieldCampaigns/gpmValidation/gcpex/radiometer_dual_pol/doc… ↗
The guide document contains detailed information about the dataset
documentation · download · from NASA CMR, data nasa gov
- Original Metadata cmr.earthdata.nasa.gov/search/concepts/C1979693621-GHRC_DAAC.iso19115 ↗
download · from data nasa gov
- Resource ghrc.earthdata.nasa.gov/browseui ↗
download · preview image · from data nasa gov, NASA CMR
- search.earthdata.nasa.gov /search/granules?p=C1979693621-GHRC_DAAC ↗
Earthdata Search allows users to search, discover, visualize, refine, and access NASA Earth Observation data.
download · from NASA CMR
- PNG ghrc.earthdata.nasa.gov/browseui ↗
download · preview image · from data nasa gov, NASA CMR
- Resource ghrc.nsstc.nasa.gov/home/field-campaigns/GCPEx ↗
The home page for the project or program which sponsored the dataset
download · project · from data nasa gov, NASA CMR
Where it is published
- NASA Data Portal dataset page data.nasa.gov/dataset/gpm-ground-validation-dual-polarization-radiometer-gcp… ↗
landing page · from data nasa gov
- DOI doi.org/10.5067/gpmgv/gcpex/radiometer/data102 ↗
DOI / persistent id · from NASA CMR
Catalogue records · 3
- CKAN API data.nasa.gov/api/3/action/package_show?id=72e7cce3-2849-477b-99e9-462dd510d… ↗
metadata API · from data nasa gov
- CMR UMM-JSON cmr.earthdata.nasa.gov/search/concepts/C1979693621-GHRC_DAAC.umm_json ↗
metadata API · from NASA CMR
- CMR record cmr.earthdata.nasa.gov/search/concepts/C1979693621-GHRC_DAAC.html ↗
catalogue entry · from NASA CMR
Topics
- Stated by source
- Brightness Temperature · GROUND STATIONS · RADIOMETERS
- From keywords
- Astronomy & Astrophysics · Earth & Environmental Science · Engineering · Ocean & Atmospheric Science · Physics
- Inferred from text
- Image 65% · Satellite remote sensing 65%
Provenance · 2 source records, 20 field assertions
| Source | Key | Last seen | Raw |
|---|---|---|---|
| NASA Earthdata CMR | C1979693621-GHRC_DAAC | 12 d ago | JSON v1 |
| NASA Data Portal | 72e7cce3-2849-477b-99e9-462dd510d56d | 9 d ago | JSON v1 |
| Field | Assertion | Extractor | Evidence |
|---|---|---|---|
| access_level | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[field].local:field:astronomy | mapping · data nasa gov | connector:data_nasa_gov@1.0.0 | |
| concepts[field].local:field:earth-environmental | mapping · data nasa gov | connector:data_nasa_gov@1.0.0 | |
| concepts[field].local:field:engineering | 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 | |
| concepts[field].local:field:physics | mapping · data nasa gov | connector:data_nasa_gov@1.0.0 | |
| concepts[instrument].gcmd_instrument:radiometers | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/spectral-engineering/infrared-wavelengths/brightness-temperature | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[modality].local:modality:image | enrichment · NASA CMR | keyword-concept-rules@1.0.0 | title+description (65%) |
| concepts[modality].local:modality:remote-sensing | enrichment · NASA CMR | keyword-concept-rules@1.0.0 | title+description (65%) |
| concepts[platform].gcmd_platform:ground-stations | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| created_date | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| description | source · NASA CMR | connector:nasa_cmr@1.0.0 | /umm/Abstract |
| license_text | source · data nasa gov | connector:data_nasa_gov@1.0.0 | |
| publication_date | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| spatial | source · NASA CMR | connector:nasa_cmr@1.0.0 | /umm/SpatialExtent |
| temporal | source · NASA CMR | connector:nasa_cmr@1.0.0 | /umm/TemporalExtents |
| title | source · NASA CMR | connector:nasa_cmr@1.0.0 | /umm/EntryTitle |
| updated_date | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| version_label | source · NASA CMR | connector:nasa_cmr@1.0.0 |