Table · collection · 2025
SnowEx21 Prairie Station Cosmic Ray Neutron Sensor Snow Water Equivalent and Soil Moisture V001
Listed in NASA Earthdata CMR
These data contain raw and processed hourly observations from a stationary Hydroinnova cosmic ray neutron sensor (CRNS).
Description
Data were collected between 22 November 2020 and 08 May 2021 at the SnowEx Prairie site at the Central Agricultural Research Center (CARC) in Moccasin, Montana and represent a footprint area of approximately 171 meters radius around the instrument. Observations in the raw files include neutron counts, atmospheric pressure, temperature, and relative humidity and related correction factors.
These observations were converted to snow water equivalent (SWE) and soil moisture in the processed data files using Desilets, 2017, methodology from Schrön et al., 2017, and in-situ soil moisture samples collected on 06 May 2021 (available as <a href="nsidc.org/data/snex21_dsm/versions/1">SnowEx21 Prairie Station in Situ Dielectric Soil Moisture and Soil Temperature, Version 1</a>).
Links
Get the data
- nsidc.org /data/data-access-tool/SNEX21_CRNS_SWE/versions/1 ↗
Search data by spatial and/or temporal ranges or file name. Choose from various download options, including a Python script.
download · from NASA CMR
- cmr.earthdata.nasa.gov /virtual-directory/collections/C3868544843-NSIDC_CPRD ↗
Quickly download a few files using a web browser, or access data through a command-line utility such as WGET.
download · from NASA CMR
- search.earthdata.nasa.gov /search/granules?p=C3868544843-NSIDC_CPRD ↗
Search and order NASA Earth Science data using spatial and temporal filters. Reformatting, reprojecting, and subsetting options are available for some data sets.
download · from NASA CMR
- earthaccess.readthedocs.io /en/stable ↗
A Python library to search and access NASA Earth science data with just a few lines of code
download · from NASA CMR
Where it is published
- DOI doi.org/10.5067/njr0ammohz4e ↗
Provides access to data, documentation, tools, citation information, support, and other resources.
landing page · documentation · DOI / persistent id · from NASA CMR
Documentation and papers
- nsidc.org /sites/default/files/documents/technical-reference/snex21_crns_… ↗
SnowEx21 Prairie Station Cosmic Ray Neutron Sensor Snow Water Equivalent and Soil Moisture, Version 1 Technical Reference
documentation · from NASA CMR
Catalogue records · 2
- CMR UMM-JSON cmr.earthdata.nasa.gov/search/concepts/C3868544843-NSIDC_CPRD.umm_json ↗
metadata API · from NASA CMR
- CMR record cmr.earthdata.nasa.gov/search/concepts/C3868544843-NSIDC_CPRD.html ↗
catalogue entry · from NASA CMR
Topics
- Stated by source
- GROUND-BASED OBSERVATIONS · Snow Water Equivalent · SOIL MOISTURE PROBE · Soil Moisture/Water Content
- Inferred from text
- Soil sciences 68%
Provenance · 1 source records, 13 field assertions
| Source | Key | Last seen | Raw |
|---|---|---|---|
| NASA Earthdata CMR | C3868544843-NSIDC_CPRD | 13 d ago | JSON v1 |
| Field | Assertion | Extractor | Evidence |
|---|---|---|---|
| access_level | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[field].anzsrc:group:4106 | enrichment · NASA CMR | taxonomy-embedding@1.1.0 | title+keywords+description (68%) |
| concepts[instrument].gcmd_instrument:soil-moisture-probe | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/cryosphere/snow-ice/snow-water-equivalent | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/land-surface/soils/soil-moisture-water-content | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[platform].gcmd_platform:ground-based-observations | 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 |
| 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 |
| version_label | source · NASA CMR | connector:nasa_cmr@1.0.0 |