104 datasets

NASA Earthdata CMR2026 · Raster · GeoTIFF

This data set provides digital terrain models (DTM), digital surface models (DSM), snow depth (SD), and canopy height models (CHM), derived from point cloud data acquired by airborne lidar scanning over a 35 km² region of the Mores Creek Headwaters in the Boise Mountains of central Idaho. This LiDAR dataset builds upon an existing collection of monthly LiDAR surveys of the same domain that began w

NASA Earthdata CMR2024 · collection

The data set described here provides raw lidar data collected as part of a multi-year effort to monitor monthly snow distribution over a 35 km² region of the Mores Creek Headwaters in the Boise Mountains of central Idaho between 2021 and 2025. Data acquisition in 2021 overlapped temporally with the NASA SnowEx 2021 field campaign. Digital terrain models (DTM), digital surface models (DSM) snow dep

NASA Earthdata CMR2024 · Raster · GeoTIFF

The data set provides digital terrain models (DTM), digital surface models (DSM) snow depth models, and canopy height models (CHM), derived from point cloud data (available as <a href="https://nsidc.org/data/SNEX_MCS_Lidar_Raw">SnowEx Mores Creek Summit (MCS) Airborne LiDAR Survey Raw, Version 1</a>) acquired by airborne lidar scanning. Data were collected as part of a multi-year effort to monitor

NASA Earthdata CMR2021 · collection

Ground penetrating radar (GPR) is an active geophysical technique that uses high frequency radio waves to map the subsurface. The basic principle of GPR measurements is the transition of electromagnetic pulses of suitable frequency down into the ground through a transmitting antenna, and to detect the reflected energy as a function of time, amplitude and phase from any subsurface targets through a

NASA Earthdata CMR2021 · collection

Occupancy surveys in November 2008 (Southwell and Emmerson 2013) found a total of 31 Adelie penguin breeding sites off the Vestfold Hills. The boundaries of breeding sub-colonies at 26 of these sites were subsequently mapped from vertical aerial photographs A further two breeding sites (IS_72295 and McCallie Rocks_72205) were photographed obliquely from a helicopter using a hand-held camera on 10

NASA Earthdata CMR2021 · collection

Occupancy surveys in November 2008 (Southwell and Emmerson 2013) found a total of 13 Adelie penguin breeding sites in the Rauer Group. The boundaries of breeding sub-colonies at 12 of these sites were subsequently mapped from vertical aerial photographs taken for abundance surveys on 21-23 November 2009. The remaining breeding site (IS_72922) was photographed obliquely from a helicopter using a ha

NASA Earthdata CMR2021 · collection

Occupancy surveys in November 2008 (Southwell and Emmerson 2013) found a total of 31 Adelie penguin breeding sites off the Vestfold Hills. The boundaries of breeding sub-colonies at 26 of these sites were subsequently mapped from vertical aerial photographs taken for abundance surveys on 18-21 November 2009. Two breeding sites were photographed obliquely from a helicopter using a hand-held camera

NASA Earthdata CMR2021 · collection

These data have been superseded by a more recent dataset, described here - https://data.aad.gov.au/metadata/records/AAS_4088_Oblique_Aerial_Photos This dataset comprises oblique aerial photographs of multiple Adelie penguin breeding sites in East Antarctica. The photographs were taken using hand-held digital cameras from fixed-wing aircraft and helicopters used by the Australian Antarctic Program.

NASA Earthdata CMR2020 · collection

Three aerial surveys were flown by Helicopter Resources Pty Ltd for the Australian Antarctic Division's Antarctic Modernisation Taskforce during the 2017/18 field season. The photography was done from a helicopter and covered Davis station and an area of the Vestfold Hills to the north-east of the station. The first survey conducted on 19 November 2017 covered an inner higher resolution area with

NASA Earthdata CMR2020 · collection

This dataset comprises oblique aerial photographs of multiple Adelie penguin breeding sites in East Antarctica. The photographs were taken using hand-held digital cameras from fixed-wing aircraft and helicopters used by the Australian Antarctic Program. The aircraft flew at or above the minimum wildlife approach altitude of 750 m with a horizontal offset distance from the site of approximately 500

NASA Earthdata CMR2019 · collection

The dataset submitted here is 'Sea-ice freeboard derived from airborne laser scanner'. Between 2007 and 2012, the Australian Antarctic program operated a scanning LiDAR system and other scientific instruments for sea-ice geophysical surveys in East Antarctica. For example see Lieser et al. [2013] for the 2012 survey. The dataset here provides the sea-ice freeboard (i.e. elevation above sea level)

NASA Earthdata CMR + NASA Data Portal2017 · Image data

This data set provides a landcover map with 16 landcover classes for the northern coastal plain of the the Arctic National Wildlife Refuge (ANWR) on the North Slope of Alaska. The map was derived from Landsat Thematic Mapper (Landsat TM) data, Digital Elevation Models (DEMs), aerial photographs, existing maps, and extensive ground-truthing. The data used to derive the map cover the period 1982 to

NASA Earthdata CMR2017 · collection

See the downloadable report for more details. Historical context of Heard Island (taken from the report) There is some controversy as to when Heard Island was first sighted and when the first landing occurred. Initially, Captain John J. Heard of the American barque Oriental and after whom the island was named, was credited with having first sighted Heard Island in November 1853, during his voyage

NASA Earthdata CMR2016 · collection

This document describes the deployment of five Ice Mass Balance Buoys (IMBs) and two automatic weather stations. These were primarily deployed on floes 2012103 and 20121029, as well as on helicopter flights (refer to buoy metadata for these). IMBs are labelled WHOI-1 to WHOI-6. WHOI-1 was not deployed and WHOI-3 and WHOI-5 failed and were recovered. TAS-2 was exchanged for WHOI-1 Deployments (succ

NASA Earthdata CMR2016 · collection

This dataset contains sea ice surface brightness temperatures using a portable passive-microwave radiometer operating at 36Ghz-H,V mounted to the undercarriage of a Squirrel helicopter during SIPEX 2, 2012. This radiometer is the same sensor as satellite passive-microwave radiometer AMSR-E and AMSR2. Our passive-microwave radiometer is launched on the same helicopter as Jan Lieser's (RAPPAL), so p

NASA Earthdata CMR2016 · collection

This dataset contains the data collected during the RAPPLS (Radar, Aerial Photography, Pyrometer, and Laser Scanning system) flights that were undertaken as a part of the SIPEX II (Sea Ice Physics and Ecosystems Experiment II) Antarctic marine science voyage in September-November 2012. The RAPPLS project involved designing and using a system using a helicopter with mounted sensors to record data w

NASA Earthdata CMR2015 · collection

This data set is the airborne scanning LiDAR of a suite of different instruments deployed during the Sea Ice Physics and Ecosystems eXperiment (SIPEX) in 2007. Surveys have been flown over sea ice between 110-130 degrees E as part of the Australian Antarctic science project 2901. Public Summary for project 2901 This research will contribute to a large multi-disciplinary study of the physics and bi

NASA Earthdata CMR2014 · collection

Metadata record for data from ASAC Project 484 See the link below for public details on this project. ---- Public Summary from Project ---- Emperor penguins are the only birds that breed in the Antarctic winter. They feed mainly on fish and squid but also ingest krill. Changes in food availability due to oceanographic or climatic factors, or to the extent of sea ice (through the processes of globa

NASA Earthdata CMR2014 · collection

More than 50 scientists from eight countries conducted the Sea Ice Physics and Ecosystem eXperiment 2012 (SIPEX-2). The 2012 voyage built on information and observations collected in 2007, by re-visiting the study area at about 100-120 degrees East. This was the culmination of years of preparation for the Australian Antarctic Division and, more specifically, the ACE CRC sea-ice group who lead this

NASA Earthdata CMR2013 · collection

Aerial photographs were taken at 16 islands between the Rauer Islands and the Amery Ice Shelf where occupancy surveys in 2009-10 and 2010-11 found breeding Adelie penguin populations. The photographs were taken to estimate the size of breeding Adelie penguin populations. The survey was completed in a single mission from 09:53-13:44 UTC on the 20th November 2010. The flight was split into two parts

NASA Earthdata CMR2013 · collection

In December 2008, the RSV Aurora Australis had an opportunity to visit Heard Island and McDonald Islands. A number of activities took place and included: - An aerial survey (16th December) from the north coast of Red Island (west end) to the end of The Spit. The helicopter flew approximately 1.5 km offshore and at an altitude of about 1900 ft. Then it flew directly to the west coast and surveyed f

NASA Earthdata CMR2013 · collection

Skin temperature data over the East Antarctic pack ice zone were recorded by the RAPPLS airborne instrument package using a KT-19II infrared pyrometer. The KT-19II infrared pyrometer was manufactured by heitronics, and sees a spectrum of 8-12um. IR and location data were logged to a Windows PC using a serial port logger developed by AAD science technical support. Due to some logging issues, substa

NASA Earthdata CMR2013 · collection

Survey report for Casey Station, 1984, by the wintering technical officer, James Clarke. Taken from the survey report: To provide survey and navigation support for the International Antarctic Glaciological Project (IAGP). Details: 1) During the 1984 changeover period carry out survey work as required for the re-building programme at Casey station. 2) Summer Programme: - Carry out a gravity survey

NASA Earthdata CMR2012 · collection

The Australian Antarctic Division acquired aerial photographs of sea ice from helicopters using a digital Nikon D1X digital camera during the following voyages: Australian Antarctic Division voyage 1 2003/04 - Antarctic Remote Ice Sensing Experiment (ARISE); Alfred Wegener Institute Ice Station Polarstern (ISPOL) voyage 2004/05. Voyage dates: ARISE: 10 Sep 2003 to 31 Oct 2003 ISPOL: 6 Nov 2004 to

NASA Earthdata CMR2012 · collection

The Australian Antarctic Division acquired aerial photographs of sea ice from helicopters using a digital Nikon D1X digital camera during the following voyages: Australian Antarctic Division voyage 1 2003/04 - Antarctic Remote Ice Sensing Experiment (ARISE); Alfred Wegener Institute Ice Station Polarstern (ISPOL) voyage 2004/05; and Australian Antarctic Division voyage 1 2007/08 - Sea Ice Physics