Data · collection
SRTM15_PLUS: Data fusion of Shuttle Radar Topography Mission (SRTM) land topography with measured and estimated seafloor topography (NCEI Accession 0150537)
Listed in NASA Earthdata CMR
To provide an improved mapping of the seafloor fabric globally, we have used available sounding data along with an improved global marine gravity model to develop at grid at 15 arcsecond resolution (~500 m).
Description
Land elevations are based on the best available data from SRTM, ASTER digital elevation models while the ice topography of Greenland and Antarctica is based on CryoSat-2 and IceSat. Ocean bathymetry is based on bathymetric predictions from the latest global gravity model from CryoSat-2 and Jason-1 along with 494 million carefully edited depth soundings at 15 arcsecond resolution.
Bathymetry of the Arctic seafloor is based on the IBCAO grid with improved resolution in areas of multibeam coverage. We have used the bathymetry grid along with the improved gravity to construct a global map of abyssal hill amplitude and orientations and compare the orientations with predictions from seafloor age gradient analysis. Areas of disagreement reveal propagating rifts, microplates, and tectonic reorganizations.
Read the rest (1 more)
This SRTM15_PLUS provides the foundational bathymetry layer for Google Earth and is freely available at our ftp site (topex.ucsd.edu).
Links
Get the data
- ncei.noaa.gov /archive/accession/download/150537 ↗
Navigate directly to the URL for data access and direct download.
download · from NASA CMR
- ncei.noaa.gov /archive/accession/0150537 ↗
Navigate directly to the URL for a descriptive web page with download links.
download · from NASA CMR
- ftp-oceans.ncei.noaa.gov /nodc/archive/arc0090/0150537 ↗
These data are available through the File Transfer Protocol (FTP). You may use any FTP client to download these data.
download · from NASA CMR
- ncei.noaa.gov /archive/accession/oas/150537 ↗
Navigate directly to the URL for a descriptive web page with download links.
download · from NASA CMR
Documentation and papers
- Preview graphic ncei.noaa.gov/access/metadata/landing-page/bin/gfx?id=gov.noaa.nodc%3A0150537 ↗
preview image · from NASA CMR
Catalogue records · 2
- CMR record cmr.earthdata.nasa.gov/search/concepts/C2089378955-NOAA_NCEI.html ↗
catalogue entry · from NASA CMR
- CMR UMM-JSON cmr.earthdata.nasa.gov/search/concepts/C2089378955-NOAA_NCEI.umm_json ↗
metadata API · from NASA CMR
Topics
- Stated by source
- Abyssal Hills/Plains · Bathymetry · Bathymetry Seafloor Topography · Continental Margins · Fracture Zones · JASON-1 · Not provided · Ocean Plateaus/Ridges · satellite sensor - general · Seafloor Topography · Seamounts · Trenches · Water Depth
Provenance · 1 source records, 20 field assertions
| Source | Key | Last seen | Raw |
|---|---|---|---|
| NASA Earthdata CMR | C2089378955-NOAA_NCEI | 13 d ago | JSON v1 |
| Field | Assertion | Extractor | Evidence |
|---|---|---|---|
| access_level | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[instrument].gcmd_instrument:satellite-sensor-general | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/oceans/bathymetry-seafloor-topography | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/oceans/bathymetry-seafloor-topography/abyssal-hills-plains | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/oceans/bathymetry-seafloor-topography/bathymetry | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/oceans/bathymetry-seafloor-topography/continental-margins | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/oceans/bathymetry-seafloor-topography/fracture-zones | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/oceans/bathymetry-seafloor-topography/ocean-plateaus-ridges | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/oceans/bathymetry-seafloor-topography/seafloor-topography | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/oceans/bathymetry-seafloor-topography/seamounts | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/oceans/bathymetry-seafloor-topography/trenches | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/oceans/bathymetry-seafloor-topography/water-depth | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[platform].gcmd_platform:jason-1 | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[platform].gcmd_platform:not-provided | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| description | source · NASA CMR | connector:nasa_cmr@1.0.0 | /umm/Abstract |
| license_text | 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 |