Array · collection
Geodetic (data) survey marks for a geodetic referencing system in the Ross Sea Region: Scott Base GPS continuous tracking station
Listed in NASA Earthdata CMR
A number of survey stations are in use in the Ross Sea Region by both the USAP and NZAP.
Description
All of the survey stations have been visited to connect and unify all current survey datums in use in the area to establish a network of survey stations surveyed with GPS. In 2000, Land and Information New Zealand (LINZ) implemented the Ross Sea Region Geodetic Datum 2000 (RSRGD2000) - a multi purpose geodetic referencing system.
This new datum is consistent with New Zealand Geodetic Datum 2000, meets SCAR requirements and is aligned to the International Terrestrial Reference System (ITRS). This work is carried out in association with the US Geological Survey (USGS)/Ohio State University TransAntarctic Deformation Monitoring Project (TAMDEF 1). The data from the TAMDEF project is used to extend the RSRGD2000.
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LINZ continues to installed and observed new survey marks in the Ross Sea Region to strengthen the geodetic datum. These survey marks extended the network to cover an area south of the Shackleton Glacier to northern Victoria Land. A high accuracy continuous Global Positioning System tracking station was also installed at Scott Base (SCTB - LINZ Geodetic Code) and was operational as of 29 October, 2004.
A second GPS station was established at Butcher Ridge on 7 December, 2007. The aim of the TAMDEF project is to predict crustal movement as a result of variations in the ice volume and loading of the East and West Antarctic Ice Sheets through time. In addition, active tectonics are suspected in association with the Terror Rift, an offshore fault zone that is nearby.
There are also active volcanoes in the region that may also be responsible for a measureable amount of crustal deformation. GPS measurements separated by several years are used to test the predicted rates of motion. The Scott Base GPS Continuous Tracking Station provides hourly and daily 30 second GPS Rinex files.
Files are downloaded hourly and daily and are available through the LINZ web site linz.govt.nz/positionz . GPS data from this site can be used with data collected at remote sites to determine the precise position at the remote site.
Links
Get the data
- linz.govt.nz /geodetic/positionz/index.aspx ↗
The Geodetic Database can be used to search for and download information about 106187 geodetic marks in New Zealand, the Chatham Islands, and Antarctica. Download GPS 30 second RINEX files
download · from NASA CMR
- linz.govt.nz /geodetic/geodetic-database/search/index.aspx ↗
The Geodetic Database can be used to search for and download information about 106187 geodetic marks in New Zealand, the Chatham Islands, and Antarctica. Download GPS 30 second RINEX files
download · from NASA CMR
Catalogue records · 2
- CMR record cmr.earthdata.nasa.gov/search/concepts/C1214592890-SCIOPS.html ↗
catalogue entry · from NASA CMR
- CMR UMM-JSON cmr.earthdata.nasa.gov/search/concepts/C1214592890-SCIOPS.umm_json ↗
metadata API · from NASA CMR
Topics
- Stated by source
- Control Surveys · Crustal Motion · Global Positioning System · GROUND STATIONS
- Inferred from text
- Geology 69%
Provenance · 1 source records, 11 field assertions
| Source | Key | Last seen | Raw |
|---|---|---|---|
| NASA Earthdata CMR | C1214592890-SCIOPS | 15 d ago | JSON v1 |
| Field | Assertion | Extractor | Evidence |
|---|---|---|---|
| access_level | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[field].anzsrc:group:3705 | enrichment · NASA CMR | taxonomy-embedding@1.1.0 | title+keywords+description (69%) |
| concepts[instrument].gcmd_instrument:gps | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/solid-earth/gravity-gravitational-field/control-surveys | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[measured_variable].gcmd:earth-science/solid-earth/gravity-gravitational-field/crustal-motion | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| concepts[platform].gcmd_platform:ground-stations | source · NASA CMR | connector:nasa_cmr@1.0.0 | |
| description | source · NASA CMR | connector:nasa_cmr@1.0.0 | /umm/Abstract |
| 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 |