Array · collection · 2025
ATLAS/ICESat-2 L3A Ocean Surface Height V007
Listed in NASA Earthdata CMR
ATL12 contains along-track sea surface height (SSH) of the global open ocean relative to the WGS84 ellipsoid.
Description
Height averages, distributions, and uncertainties are provided over ocean segments 400 to 7,000 m in length. Heights relative to the EGM2008 geoid and variables such as photon return rate are provided in 10 m along-track bins within each ocean segment.
Additionally, 10 m bins corresponding to ATL07 bright leads are identified, and heights within the bins are averaged over ocean segments to yield accurate SSHs where ice concentrations are greater than 15%. The data were acquired by the Advanced Topographic Laser Altimeter System (ATLAS) instrument on board the ICESat-2 observatory.
Links
Get the data
- nsidc.org /data/data-access-tool/ATL12/versions/7 ↗
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/C3566214012-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
- 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
- openaltimetry.earthdatacloud.nasa.gov /data ↗
Discover, access, and visualize data from NASA's ICESat and ICESat-2 missions.
download · from NASA CMR
- search.earthdata.nasa.gov /search/granules?p=C3566214012-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
Where it is published
- DOI doi.org/10.5067/atlas/atl12.007 ↗
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/icesat2_atl1… ↗
Algorithm Theoretical Basis Document (ATBD for ATL12 | V07)
documentation · from NASA CMR
- nsidc.org /sites/default/files/documents/user-guide/atl12-v007-userguide.… ↗
ATLAS/ICESat-2 L3A Ocean Surface Height, Version 7 User Guide
documentation · from NASA CMR
- ATL12 Known Issues (V7) nsidc.org/sites/default/files/documents/technical-reference/icesat2_atl1… ↗
documentation · from NASA CMR
- ATL12 Data Dictionary (V07) nsidc.org/sites/default/files/documents/technical-reference/icesat2_atl1… ↗
documentation · from NASA CMR
- ICESat-2 Major Activities (includes yaw flips) nsidc.org/sites/default/files/documents/technical-reference/icesat-2-maj… ↗
documentation · from NASA CMR
- nsidc.org /sites/default/files/documents/technical-reference/icesat-2_dat… ↗
ATL03/ICESat-2 Data Gaps (applies to all ICESat-2 products)
documentation · from NASA CMR
Catalogue records · 2
- CMR UMM-JSON cmr.earthdata.nasa.gov/search/concepts/C3566214012-NSIDC_CPRD.umm_json ↗
metadata API · from NASA CMR
- CMR record cmr.earthdata.nasa.gov/search/concepts/C3566214012-NSIDC_CPRD.html ↗
catalogue entry · from NASA CMR
Topics
Provenance · 1 source records, 11 field assertions
| Source | Key | Last seen | Raw |
|---|---|---|---|
| NASA Earthdata CMR | C3566214012-NSIDC_CPRD | 10 d ago | JSON v1 |
| Field | Assertion | Extractor | Evidence |
|---|---|---|---|
| access_level | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[instrument].gcmd_instrument:atlas | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/oceans/sea-surface-topography/sea-surface-height | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[platform].gcmd_platform:icesat-2 | 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 |