{
"version": "1.0",
"query": {
"text": null,
"operator": "and",
"filters": [
{
"field": "concept",
"op": "descendant_of",
"value": "gcmd_instrument:gps-receivers",
"evidence": null
}
],
"evidence_policy": "standard"
},
"sort": null,
"page": {
"size": 25
}
}NASA Earthdata CMR2024 · Raster · GeoTIFF
SnowEx23 Bonanza Creek Experimental Forest Terrestrial Lidar Scans V001This data set contains digital terrain models (DTMs) derived from terrestrial lidar scans (TLS) collected as part of the SnowEx 2023 campaign. Data were collected at the Bonanza Creek Experimental Forest near Fairbanks, Alaska in October 2022 (snow-off conditions) and March 2023 (snow-on conditions). The DTMs are provided as Geographic Tagged Image (GeoTIFF) files, where each file corresponds to a
NASA Earthdata CMR2024 · collection
SnowEx23 Bonanza Creek Experimental Forest Terrestrial Lidar Scans Raw V001This data set contains unprocessed point cloud data created from terrestrial lidar scans (TLS) collected during the SnowEx 2023 campaign from the Bonanza Creek Experimental Forest near Fairbanks, Alaska. Data were collected in October 2022 (snow-off) and March 2023 (snow-on). Digital terrain models (DTMs) derived from the raw point cloud data are available as the <a href="https://doi.org/10.5067/R
NASA Earthdata CMR2021 · collection
GPS coordinate timeseries for bedrock displacements in East Antarctica, 2006-2019Coordinate time series, in local topocentric east, north, up reference frame. Underlying coordinates were derived in IGS14 reference frame. Coordinate time series generated using GIPSY6.3 using NASA JPL clocks and orbits from repro2 as operational circa 2020. # The files available are geodetic GPS coordinate time series for bedrock displacements # for a range of sites in East Antarctica. They were
NASA Earthdata CMR2021 · collection
Geodetic GNSS data in RINEX format with IGS site logs for sites on bedrock in the Casey-Davis region of East AntarcticaGPS daily files in RINEX v2 format with International GNSS Service format log files in a single tar file. Files are compressed using gzip after 'Hatanaka' compression. Compression information: Yuki Hatanaka (hatagsi.go.jp) (GSI) wrote and maintains rnx2crx and crx2rnx, which allows the user to compress/decompress, respectively, a RINEX observation file into a smaller ASCII format. The Hatanaka-com
NASA Earthdata CMR2021 · Raster · GeoTIFF
SnowEx20 Grand Mesa Reference GIS Data Sets V001This data set contains geolocation information of the infrastructure locations for the SnowEx20 Intensive Observation Period (IOP) and Time Series (TS) campaigns. Available scientific infrastructure locations in this data set are tower and sensor locations, aircraft flight lines, planned and actual snow pit locations, and time-lapse camera locations. Additionally, this data set contains areal snow
NASA Earthdata CMR + NASA Data Portal2021 · Image data
Digital Elevation Models for the Global Change Research Wetland, Maryland, USA, 2016This dataset contains four alternative digital elevation models (DEMs) at 1 m resolution and model performance statistical metrics for the Global Change Research Wetland (GCReW) site on the Rhode River, a tributary of the Chesapeake Bay in Maryland, USA, for the year 2016. Three DEMs were created by using different strategies for correcting positive biases in Light Detection and Ranging (LiDAR)-ba
NASA Earthdata CMR2021 · collection
Adelie penguin occupancy survey of the Robinson Group, 2006An occupancy survey in November 2006 found a total of 29 islands in the Robinson Group of islands had populations of breeding Adelie penguins. The boundaries of breeding colonies at 27 of these islands with larger populations were subsequently mapped for abundance surveys by circumnavigating the perimeter of sub-colonies on foot while carrying a Garmin GPS (Legend Cx or Vista C) to log the track t
NASA Earthdata CMR2021 · collection
Adelie penguin occupancy survey of Bechervaise Island, 2013All subcolonies on Bechervaise Island were mapped with a hand held GPS (Garmin Legend) on the 9th of January 2013). The mapping was undertaken by Julie McInnes and Helen Achurch. The colonies were mapped at a constant 2m buffer. If subcolonies were less than 2m apart they were mapped in the same outline, colonies greater than 2m apart were mapped separately. The final layer has a 2m buffer around
NASA Earthdata CMR2021 · collection
Adelie penguin occupancy survey of the Kista Island Group, 2015Seven colonies with breeding Adelie colonies were mapped this season in the Kista Island group between the 17th and 27th of November 2015. Subcolonies were mapped by circumnavigating the perimeter on foot while carrying a Garmin GPS (Etrex30) to record the track. When mapping the perimeter of the subcolonies, generally an average buffer distance of 2.5 meters was maintained between the mapper and
NASA Earthdata CMR2021 · collection
Adelie penguin occupancy survey of Bechervaise Island and Kista Rock, 2013Six colonies with breeding Adelie colonies were mapped this season on Kista Island. On Bechervaise Island subcolonies C and R were not mapped and so are missing from the final layer, but birds were present in these subcolonies. Subcolonies were mapped by circumnavigating the perimeter of sub-colonies on foot while carrying a Garmin GPS (Legend Cx) to log the track taken. The person walking the per
NASA Earthdata CMR2021 · collection
Adelie penguin occupancy survey of the Rookery Island Group, 2013Six colonies with breeding Adelie colonies were mapped this season in the Rookery Island group in conjunction with colony counts. Islands 74814 and the main Rookery Island 74721 were not mapped this season. Subcolonies were mapped by circumnavigating the perimeter of sub-colonies on foot while carrying a Garmin GPS (Legend Cx) to log the track taken. The person walking the perimeter of the sub-col
NASA Earthdata CMR2021 · collection
Adelie penguin occupancy survey of the Rookery Island Group, 2014Two colonies with breeding Adelie colonies were mapped this season in the Rookery Island group in conjunction with colony counts. Subcolonies were mapped by circumnavigating the perimeter of sub-colonies on foot while carrying a Garmin GPS (Legend Cx) to log the track taken. The person walking the perimeter of the sub-colonies maintained a buffer distance of approximately 2.5m between themselves a
NASA Earthdata CMR2021 · collection
Adelie penguin occupancy survey of Welch Island 2014Adelie colony boundaries at Welch Island were mapped on the 30 Nov 2014 to provide a boundary for the pole camera survey. Subcolonies were mapped by circumnavigating the perimeter on foot while carrying a Garmin GPS (Legend and Etrex30) to record the track. When mapping the perimeter of the subcolonies a buffer distance of approximately 2.5 meters was maintained between the mapper and the breeding
NASA Earthdata CMR2021 · collection
Adelie penguin occupancy survey of the Rookery Island Group, 2015Fourteen colonies with breeding Adelie colonies were mapped this season in the Rookery Island group between the 29th November and 14th of December 2015. Subcolonies were mapped by circumnavigating the perimeter on foot while carrying a Garmin GPS (Etrex30) to record the track. When mapping the perimeter of the subcolonies, generally an average buffer distance of 2.5 meters was maintained between t
NASA Earthdata CMR2021 · collection
Adelie penguin occupancy survey of the Robinson Group, 2013An occupancy survey in November 2006 found a total of 29 islands in the Robinson Group of islands had populations of breeding Adelie penguins. The boundaries of breeding colonies at 27 of these were mapped in Nov 2006 for abundance surveys. Nine of these breeding sites were remapped on the 29th of November 2013 in conjunction with colony counts. Subcolonies were mapped by circumnavigating the peri
NASA Earthdata CMR2021 · collection
Adelie penguin occupancy survey of Bechervaise Island, 2016Adelie colony boundaries at Bechervaise Island were mapped by Matthew Pauza on the 21 Dec 2016. Subcolonies were mapped by circumnavigating the perimeter on foot while carrying a Garmin GPS (Etrex30) to record the track. When mapping the perimeter of the subcolonies a buffer distance of approximately 2.5 meters was maintained between the mapper and the breeding birds. This buffer distance was redu
NASA Earthdata CMR2021 · collection
Adelie penguin occupancy survey of the Windmill Island group, 2012 - 2013An occupancy survey in January 2011 found a total of 14 islands/sites in Windmill group had populations of breeding Adelie penguins. The boundaries of breeding colonies at 11 of the 14 islands were subsequently mapped for abundance surveys. Seven islands were mapped on the ground with GPS: Whitney Point, Blakeney Point, Shirley Island, Odbert Island, Berkley Island, Cameron Island and O'Connor Isl
NASA Earthdata CMR2020 · collection
Locations of cavity nesting species (snow petrels or Wilsons storm petrels), Mawson and Davis RegionsThis dataset contains the locations of plots where cavity nesting species (snow petrels or Wilsons storm petrels) were found to be present in surveys of cavity nesting species in the Mawson region in 2010-11 and the Davis region in 2015-16, 2016-17 and 2017-18, plus records of the locations of cavity nesting birds seen outside plots. These data will be used by the AADC to show seabird presence on
NASA Earthdata CMR2020 · collection
Survey report 2010/11 summer season Geoscience Australia Authors - Ryan Ruddick, Sam Griffiths and Nicholas Brown / GeoscienceExecutive Summary from the report: Geoscience Australia's involvement in Antarctica has primarily been focused on the maintenance and enhancement of geodetic infrastructure within the Australian Antarctic Territory (AAT). Such infrastructure provides a fundamental reference frame for the region and supports earth monitoring science applications on both a regional and continental scale. These found
NASA Earthdata CMR2019 · collection
Survey report March 2002 Voyage 8 Australian Antarctic Division Authors - John VanderNiet / Nick Bowden / Office of the Surveyor General, TasmaniaField Program as Planned - Survey for coordination of the survey control network on ITRF 2000. - Checking the accuracy of the recently completed Macquarie Island topographic map. - Correction of a known map contour anomaly on Wireless Hill. - Mapping of new structures in the ANARE station area. - Maintenance of existing survey control marks - Tide gauge levelling - assistance to Bob Twilley of Geo
NASA Earthdata CMR2018 · Table · CSV
SnowEx17 CRREL Differential GNSS Survey V001This data set contains the coordinates of SnowEx infrastructure in Grand Mesa, Colorado, collected through a differential GNSS real-time kinematic (RTK) survey. The surveys were conducted at 244 stakes along 90 transects, 31 snow pits, 24 time-lapse cameras, and 15 reference poles used to estimate snow depth from camera images. Data files report the name, location, elevation, horizontal and vertic
NASA Earthdata CMR2018 · collection
Nest and colony locations for albatross and giant petrels on Macquarie IslandThese data were collected as part of project 4112 - Status and trends of Macquarie Island Albatrosses and Giant Petrels: management and conservation of threatened seabirds. These data constitute the data for nesting sites for the 2012-2013 season. The waypoints are provided for all accessible nests of albatross and northern giant petrels that form part of the long term population and demographic s
NASA Earthdata CMR2018 · collection
Mass balance of the Totten basin in East Antarctica: Estimation and calibration from ground, air and space-based observations (TOT-Cal)Linked to this record are a report providing further details about the project, as well as the data from the project. Public Summary Regions of Antarctica are undergoing significant change in response to the Earth's changing climate. This project will provide a state of the art contemporary insight into the changing behaviour of the Totten drainage basin in East Antarctica - an area of vital impor
NASA Earthdata CMR2018 · collection
Environmental Management Program - Applied GIS for contaminated sites at 'old' Casey Station Tip and abandoned Wilkes StationThis dataset includes maps produced from the Australian Antarctic Data Centre GIS for use in environmental management of the 'old' Casey station tip site and the abandoned Wilkes station site: a map of the Windmill Islands showing the locations of Casey and Wilkes, contour maps of Casey and Wilkes and a map showing the water flow directions at Casey. The maps were used for locating contaminated ar
NASA Earthdata CMR2017 · collection
Photogrammetric video tracks of Antarctic blue whale movements recorded during the 2015 NZ Australia Antarctic Ecosystems VoyageDuring the 2015 New Zealand-Australia Antarctic Ecosystem Voyage a digital photogrammetric video tracking system was used to collect precise surfacing locations during encounters with some Antarctic blue whales. The photogrammetric video tracking system is a modern digital video version based on the same operating principle as the that described by Leaper and Gordon 2001, and enables determination