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}NASA Earthdata CMR2023 · Array · NetCDF
MEaSUREs ITS_LIVE Antarctic Grounded Ice Sheet Elevation Change V001This data product contains monthly ice sheet elevation change data for Antarctica derived from five radar altimetry missions (Geosat, ERS-1 and -2, Envisat and CryoSat-2) and two laser altimetry missions (ICESat and ICESat-2). Each time step and grid node includes relative error estimates and a quality flag that can be used to filter the data in space and time. The product is also provided with an
NASA Earthdata CMR + NASA Data Portal2022 · Astronomical catalogue
DC-8 Meteorological and Navigation Data CPEX-AWThe DC-8 Meteorological and Navigation Data CPEX-AW dataset is a subset of airborne measurements that include GPS positioning and trajectory data, aircraft orientation, and atmospheric state measurements of temperature, pressure, water vapor, and horizontal winds. These measurements were taken from the NASA DC-8 aircraft during the Convective Processes Experiment – Aerosols & Winds (CPEX-AW) field
NASA Earthdata CMR + NASA Data Portal2022 · Astronomical catalogue
P-3 Meteorological and Navigation Data IMPACTSThe P-3 Meteorological and Navigation Data IMPACTS dataset is a subset of airborne measurements that include GPS positioning and trajectory data, aircraft orientation, and atmospheric state measurements of temperature, pressure, water vapor, and horizontal winds. These measurements were taken from the NASA P-3 aircraft during the Investigation of Microphysics and Precipitation for Atlantic Coast-T
NASA Earthdata CMR + NASA Data Portal2010 · Image data
IceBridge Ku-Band Radar L1B Geolocated Radar Echo Strength Profiles, Version 1This data set contains elevation and surface measurements over Greenland, the Arctic, and Antarctica, as well as flight path charts and echogram images acquired using the Center for Remote Sensing of Ice Sheets (CReSIS) Ku-Band Radar Altimeter.
NASA Earthdata CMR2010 · collection
Slope corrected orthometric heights of Antarctica derived from ERS Radar AltimetryShapefile (points) of slope corrected orthometric heights derived from ERS radar altimetry as described in the paper 'A Digital Terrain Ice Model of Antarctica derived by ERS Radar Altimeter Data' by J. Ihde, J. Eck, U. Schirmer.
NASA Earthdata CMR2009 · collection
GLAS Validation on the Amery Ice ShelfMetadata record for data from ASAC Project 1263 See the link below for public details on this project. ---- Public Summary from Project ---- The project will involve making a series of measurements of the ice-sheet topography using GPS static and kinematic procedures so that they can be used to calibrate/validate measurements made from the new generation of satellite geoscience laser altimeter sys
NASA Earthdata CMR2007 · Array · NetCDF
Amundsen Sea Sector Data SetThis data set includes a nested model, that starts at low resolution for the whole Antarctic Ice Sheet, and then embeds higher resolution data at limited domains. There are at least three levels of nesting: whole, regional, and specific ice streams. Investigators focused on the Thwaites Glacier and the Pine Island Glacier. The model was produced using data from (Holt et al. 2006) and (Vaughan et a
NASA Earthdata CMR2003 · collection
Surface Elevation and Ice Thickness, Western Marie Byrd Land, AntarcticaThis data set provides surface elevation and ice thickness data for a portion of the Marie Byrd Land sector of West Antarctica, including the Ford Ranges, the Sulzberger Ice Shelf, much of the Edward VII Peninsula, and the Shirase Coast region of the eastern Ross Ice Shelf. The investigators used radar sounding and laser altimetry from a Twin Otter aircraft flying at varying altitudes, at least 30
NASA Earthdata CMR2003 · collection
Contour source data for the Amery Region map dated November 2002.This polygon shapefile was used in the contour source diagram on the Amery Region Map published by the Australian Antarctic Data Centre in November 2002 (see link). The contours used in the map were derived from a number of different data sources: 1 - Russian Space Photography, ERS-1 Radar Altimeter data and digitised from 1:1 million scale maps produced by National Mapping Australia; 2 - Antarcti
NASA Earthdata CMR2003 · collection
500 metre interval contours of Antarctica derived from ERS radar altimetry data.500 metre interval contours of the Antarctic continent derived from slope corrected orthometric heights that were captured using European Remote Sensing (ERS) radar altimetry. ESA's two European Remote Sensing (ERS) satellites, ERS-1 and 2, were launched into the same orbit in 1991 and 1995 respectively. Their payloads included a synthetic aperture imaging radar, radar altimeter and instruments to
NASA Earthdata CMR2003 · collection
Contours for the Amery Region map dated November 2002.Contours for the Amery Region map published by the Australian Antarctic Data Centre in November 2002 (see link below). This contour data were derived from Russian space photography, ERS-1 and ERS-2 Radar altimeter data (BKG, Germany) and the Antarctic Digital Database, Version 2. Refer to the contour source diagram - digital data (refer to metadata record ERS_CONT_SOURCE_AMERY) or view map (see li
NASA Earthdata CMR2003 · collection
A digital terrain model of Antarctica in Triangulated Irregular Network (TIN) format, derived from ERS Radar Altimetry.An ESRI formatted triangular irregular network (TIN) of the Antarctic continental terrain, derived from ERS radar altimeter data. The data is in a Polar Stereographic projection with true scale at 71 degrees South. The TIN is unreliable in latitudes south of 82 degrees South and steep areas of the continent, particularly along the coast. ESA's two European Remote Sensing (ERS) satellites, ERS-1 an
NASA Earthdata CMR2003 · collection
Data generated from slope corrected orthometric heights of Antarctica derived from ERS Radar AltimetryData generated from slope corrected orthometric heights derived from ERS radar altimetry as described in the paper 'A Digital Terrain Ice Model of Antarctica derived by ERS Radar Altimeter Data' by J. Ihde, J. Eck, U. Schirmer. The data products (and their metadata records): the original point data as a shapefile (GRI_ORT_SLC_FIN); a shapefile showing data and no data areas for the original point
NASA Earthdata CMR2003 · collection
Digital terrain model of Antarctica in ESRI Grid format, derived from ERS Radar Altimeter data.ESRI formatted raster grid of the Antarctic continental terrain, derived from ERS radar altimeter data. The data is in a Polar Stereographic projection with true scale at 71 degrees South. The grid has 'no data' cells in latitudes south of 82 degrees South and steep areas of the continent, particularly along the coast. ESA's two European Remote Sensing (ERS) satellites, ERS-1 and 2, were launched
NASA Earthdata CMR2003 · collection
Reliability shapefile for slope corrected orthometric heights of Antarctica derived from ERS radar altimetryShapefile indicating areas of valid and invalid slope corrected orthometric heights derived from ERS Radar Altimetry. Refer to metadata record GRI_ORT_SLC_FIN for more information. ESA's two European Remote Sensing (ERS) satellites, ERS-1 and 2, were launched into the same orbit in 1991 and 1995 respectively. Their payloads included a synthetic aperture imaging radar, radar altimeter and instrumen
NASA Earthdata CMR + NASA Data Portal2001 · Raster · GeoTIFF
Greenland 5 km DEM, Ice Thickness, and Bedrock Elevation Grids, Version 1A Digital Elevation Model (DEM), ice thickness grid, and bedrock elevation grid of Greenland, acquired as part of the PARCA program. DEM data are a combination of ERS-1 and Geosat satellite radar altimetry data, Airborne Topographic Mapper (ATM) data, and photogrammetric digital height data. Ice thickness data are based on approximately 700,000 data points collected in the 1990s from a University
NASA Earthdata CMR + NASA Data Portal2001 · Astronomical catalogue
Elevation Change of the Southern Greenland Ice Sheet from 1978-88, Version 1Southern Greenland ice sheet elevation change estimates are derived from SEASAT and GEOSAT radar altimetry data from 1978 to 1988. Data are confined to 61-72 deg N, 30-50 deg W, above 1700 m elevation. The addition of GEOSAT Geodetic Mission (GM) data results in twice as many crossover points and 50% greater coverage than previous studies. Coverage above 2000 m elevation is improved to 90%, and ab
NASA Earthdata CMR + NASA Data Portal2000 · Astronomical catalogue
First ISCCP Regional Experiment (FIRE) Atlantic Stratocumulus Transition Experiment (ASTEX) ERS-1 Altimeter DataThe First ISCCP Regional Experiments have been designed to improve data products and cloud/radiation parameterizations used in general circulation models (GCMs). Specifically, the goals of FIRE are (1) to improve the basic understanding of the interaction of physical processes in determining life cycles of cirrus and marine stratocumulus systems and the radiative properties of these clouds during
NASA Earthdata CMR + NASA Data Portal2000 · Image data
BOREAS ER2 Aircraft Flight LogsDuring 1994 and 1996, digital and analog imaging instruments mounted on the NASA ER2 aircraft collected various remotely sensed data from the atmosphere and earth?s surface as part of the BOReal Ecosystem-Atmosphere Study (BOREAS) Intensive Field Campaigns (IFC). Personnel from the NASA Earth Resources Aircraft Program within the High-altitude Aircraft Branch at NASA Ames Research Center (ARC) com
NASA Earthdata CMR + NASA Data Portal1999 · Astronomical catalogue
GEOSAT Radar Altimeter DEM Atlas of Antarctica North of 72.1 degrees South, Version 1The Antarctic atlas consists of 28 digital elevation maps which cover all of Antarctica north of 72.1 degrees south at a resolution of three kilometers. Each map contains surface elevations and coordinates for one atlas page covering 16 degrees of longitude. Data were acquired by the Geodetic Satellite (GEOSAT) Geodetic Mission (GM) from March 1985 through September 1986 and are available in both
NASA Earthdata CMR + NASA Data Portal1997 · Astronomical catalogue
Digital SAR Mosaic and Elevation Map of the Greenland Ice Sheet, Version 1The Digital SAR Mosaic and Elevation Map of the Greenland Ice Sheet combines the most detailed synthetic aperture radar (SAR) image mosaic available with the best current digital elevation model. The mosaic image shows both the location of the ice edge and the distribution of melt-related 'scatterers' on the surface. These scatterers include ice lenses and complex layered structure in the percolat
NASA Earthdata CMR + NASA Data Portal1997 · Astronomical catalogue
Seasat and GEOSAT Altimetry for the Antarctic and Greenland Ice Sheets, Version 1Note: This data set is now on HTTPS, so references to CD-ROM are historic and no longer applicable. The Ice Altimetry System (IAS) data set contains surface elevations of the Antarctic and Greenland ice sheets derived from Seasat and GEOSAT radar altimetry data. The Seasat data were collected for a continuous 90 days in 1978, at latitudes between 72 degrees South and 72 degrees North. GEOSAT was l
NASA Earthdata CMR + NASA Data Portal1994 · Image data
Aircraft Flux-Raw: U of Wy. (FIFE)The University of Wyoming (UW) King Air atmospheric boundary layer measurement missions were flown in 1987 during IFCs 3 and 4. This Raw Boundary Layer Fluxes data set contains parameters that describe the environment in which the flux data were collected and the flux data itself. The fluctuations in all variables were calculated with three different methods (the arithmetic means removed, the line
NASA Earthdata CMR + NASA Data Portal1994 · Image data
Aircraft Flux-Raw: NRCC (FIFE)The purpose of this study was to develop alternatives to ground-based measurements in order to obtain information required to predict the effects of soil and land use on the fluxes of greenhouse gases, the surface energy balance, and the water balance. Satellite-based algorithms have been developed via flux measurements from an aircraft to estimate vegetation and soil conditions on a regional scal
NASA Earthdata CMR + NASA Data Portal1994 · Image data
Aircraft Flux-Filtered: Univ. Col. (FIFE)The NCAR King Air participation in FIFE-1987 and FIFE-1989 was part of a coordinated atmospheric boundary layer component which included other aircraft, surface measurements, balloon-borne profiles, and SODAR and lidar remote sensing. The chief objective of the boundary layer component was to describe the structure of the atmospheric boundary layer over the FIFE study area, increase knowledge of t