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1. Miscellaneous NSSDC Atmospheric Data from Earlier Spacecraft [63-009A]
NSSDC holds many data sets containing measurements of the structure, composition, and dynamics of the Earth's neutral atmosphere. The measurements are both in situ and remote. For details about searching ...


2. Coordinated Eastern Arctic Experiment (CEAREX) Data [NSIDC-0020]
CEAREX was a multi-platform field program conducted in the Norwegian Seas and Greenland north to Svalbard from September 1988 through May 1989. Canada, Denmark, France, Norway and the United States ...


3. IceBridge UAF GPS/IMU L1B Corrected Position and Attitude Data [IPUAF1B]
This data set contains Global Positioning System (GPS) and Inertial Measurement Unit (IMU) positioning and orientation measurements for the University of Alaska Fairbanks Glacier LIDAR system campaigns. ...


4. Solar Radio Observations from Space [SRO-01]
Many spacecraft were launched from 1962 thru 1973 to record solar and cosmic radio bursts. The spacecraft carried receivers for various frequency ranges, and collected data intermittently over those ...


5. Airborne Surface Profiling of Alaskan Glaciers [G01378]
This data set consists of glacier outline, laser altimetry profile, and surface elevation change data for 46 glaciers in Alaska and British Columbia, Canada, measured with an airborne laser altimetry ...


6. GAI LONG RANGE LIGHTNING NETWORK V1 [gailong_1]
The US National Lightning Detection Network is a commercial network that records the time, polarity, signal strength, and number of cloud-to-ground lightning flashes over the western half of the northern ...


7. Drifting buoy data from the U.S. Northeast Continental Shelf [Drifters_US_NE_Continental_Shelf]
Collection of drifter tracks from various projects in the Northeast US with most being from the Gulf of Maine and Georges Bank. Projects include ECOHAB, MERHAB, USGS Mass Bay, GLOBEC, SCOPEX, and ...


8. NOS Hydrographic Surveys Collection [gov.noaa.ngdc.NOS_Hydrographic_Survey_Collection]   CHILD METADATA
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe navigation and to provide background ...


9. Mapping of Poa litorosa and Carex trifida in the Handspike Point area at Macquarie Island 28 March 2003 [ASAC_1015_MIGPS03]
Current positional data for Poa litorosa and Carex trifida at Handspike Point area (Macquarie Island) were collected using Global Positioning System (GPS) equipment and standard observational techniques. ...


10. Monitoring surface elevation change and ice sheet movement in Antarctica using high-precision GPS techniques [ASAC_887]
The data sets consist of static and kinematic GPS data collected on the Amery Ice Shelf using Leica 299 receivers. Additional GPS data were collected at Beaver Lake. All data are provided in UNIX ...


11. Pre-ABoVE: Ground-penetrating Radar Measurements of ALT on the Alaska North Slope [doi:10.3334/ORNLDAAC/1265_1]
This data set includes estimates of permafrost Active Layer Thickness (ALT; cm), and calculated uncertainties, derived using a ground-penetrating radar (GPR) system in the field in August 2014 near ...


12. BOREAS Follow-On DSP-09 Saskatchewan Raster Forest Fire Chronology, 1945-1996 [doi:10.3334/ORNLDAAC/596_1]
This data set contains a pair of raster images and a spreadsheet chronicling the most recent fire history of Saskatchewan from 1945 to 1996. This data set was developed from a series of ARC/INFO ...


13. BOREAS SERM Forest Fire Chronology of Saskatchewan in Vector Format [doi:10.3334/ORNLDAAC/308_1]
Series of ARC/INFO export files of the fire history of Saskatchewan by year from 1945 to 1996, with a few missing years.


14. BOREAS Site and Area Geographic Coordinate Information [doi:10.3334/ORNLDAAC/556_1]
Geographic coordinate and other site information from several sources throughout the experiment period. The final set of information is organized into two data sets that provide geographic coordinate ...


15. LBA-ECO LC-02 Tributary Coordinates, Acre River, Tri-national River Basin: 2003-2004 [doi:10.3334/ORNLDAAC/1243_1]
This data set provides coordinates for points at the mouth of tributaries of the Acre River in the Tri-national River Basin in South America. Three Global Positioning System (GPS) readings were made ...


16. LBA-ECO LC-13 GIS Coverages of Logged Areas, Cauaxi, Para, Brazil: 1996, 1998 [doi:10.3334/ORNLDAAC/890_1]
This data set contains GIS coverage constructed from measurements taken of four logged areas in Cauaxi, Para, Brazil. Logged areas were selectively harvested either using conventional logging techniques ...


17. LBA-ECO LC-13 GIS Coverages of Logged Areas, Juruena, Mato Grosso, Brazil: 2002 [doi:10.3334/ORNLDAAC/888_1]
This data set contains GIS coverages constructed from measurements taken of logged areas in Juruena, Mato Grosso. Classes include roads, skids trails, tree crowns, tree-fall locations, and block ...


18. LBA-ECO LC-13 GIS Coverages of Logged Areas, Tapajos Forest, Para, Brazil: 1996, 1998 [doi:10.3334/ORNLDAAC/893_1]
This data set contains GIS coverages constructed from measurements taken of logged areas in the Tapajos National Forest region of Para, Brazil in 1996 and 1998 (Asner et al., 2004). Coverages include ...


19. LBA-ECO LC-22 Field Validation of MODIS Deforestation Detection, Brazil, 2005 [doi:10.3334/ORNLDAAC/1260_1]
This data set contains field observations, corresponding GPS points, and point and polygons of deforested areas in the state of Mato Grosso, Brazil, for the period March 17-24, 2005. Fieldwork was ...


20. SAFARI 2000 Vegetation Cover Characteristics, Kalahari Transect, Wet Season 2000 [doi:10.3334/ORNLDAAC/776_1]
Vegetation cover and composition, including species types and richness assessments, were measured at four locations along the Kalahari Transect in Botswana (Pandamatenga, Maun, Okwa River, and Tshane) ...


21. SAFARI 2000 Woody Vegetation Characteristics of Kalahari and Skukuza Sites [doi:10.3334/ORNLDAAC/777_1]
This data set contains species composition, basal area, height, and crown cover of all woody plants at six sites along the Kalahari Transect visited in February-March of 2000 as part of SAFARI 2000. ...


22. Leaf Angle Data (FIFE) [doi:10.3334/ORNLDAAC/44_1]
Orientation of leaves of 10 different species


23. Histories of Accumulation, Thickness, and WAIS Divide Location, Antarctica [NSIDC-0473]
This data set contains radar internal layer and ice sheet topography data for two sites in Antarctica, along with associated model results from two studies. This project used geophysical inverse theory ...


24. GPS-Measured Ice Velocities and Strain Data from the Ross and Amundsen Sea Ice Flow Divide, West Antarctica [NSIDC-0503]
This data set includes ice flow velocities and strain configurations, from GPS measurements on the West Antarctic Ice Sheet (WAIS) Divide. Ninety markers installed in the firn were measured during ...


25. Grounding Line Strain Grid Surveys, Kamb Ice Stream, Antarctica [NSIDC-0494]
This data set provides the results from a strain grid survey deployed across the Kamb Ice Stream grounding line on the West Antarctic Ice Sheet. The grid was deployed in 2006 and resurveyed in 2007 ...


26. Ice Motion and Topography Near Margin Areas of Kamb Ice Stream, Antarctica [NSIDC-0141]
This data set includes ice motion and topography measurements that were taken by measuring movement and altitude of poles set in the West Antarctic Ice Shelf. The data was acquired by Global Positioning ...


27. Ice-Penetrating Radar Data Across Siple Coast Grounding Lines [NSIDC-0474]
These data consist of ice-penetrating radar data collected on the ground across the grounding line near Siple Dome during the 2006 and 2007 Antarctic summer field seasons. Primarily, the data consist ...


28. Late Holocene Climate Variability, Dry Valleys, Antarctica [NSIDC-0399]
This data set includes high-resolution ice core records from the Dry Valleys region of Antarctica, and provides interpretations of interannual to decadal-scale climate variability during the last ...


29. Reedy Glacier Exposure Ages, Antarctica [NSIDC-0601]
This data set contains site, sample, and analytical data from which to calculate cosmogenic nuclide-based exposure ages for glacial deposits adjacent to Reedy Glacier, Antarctica. The data are formatted ...


30. Continuous GPS (static) Data from the Ross Ice Shelf, Antarctica [NSIDC-0347]
In October 2005, three geodetic GPS receivers were deployed on the Ross Ice Shelf near the ice front to observe short-term fluctuations in ice-shelf velocity associated with tidal forcing and other ...


31. GPS Ice Flow Measurements, Allan Hills, Antarctica [NSIDC-0507]
This data set includes includes high-precision GPS measurements of steel poles within the Allan Hills Main Ice Field, Near Western Ice Field, and extending to the eastern edge of the Middle Western ...


32. NESDIS Blended Rain Rate (RR) Products [gov.noaa.ncdc.C00812]
The blended Rain Rate (RR) product is derived from multiple sensors/satellites. The blended products were merged from polar-orbiting and geostationary satellite sensors including legacy AMSU/MHS, ...


33. NESDIS Blended Total Precipitable Water (TPW) Products [gov.noaa.ncdc.C00803]
The blended Total Precipitable Water (TPW) product is derived from multiple sensors/satellites. The Percentage of TPW normal (PCT), or TPW anomaly, shows the percentage departure of TPW from the NASA ...


34. Comparative studies of vegetation surveys, maps, species lists and lichen growth rates of the Cape Hallett region (Seebee Hook, Willett Cove and the scree slopes surrounding them) with a 1968 study [K024_1998_1999_NZ_1]
The first botanical work at Cape Hallett was carried out when Hallett Station existed in the early to late 1960s. These studies were used for comparative purposes of vegetation cover and lichen growth ...


35. GIS mapping of vegetation cover at two specially protected areas; Botany Bay, Granite Harbour and Cape Bird [K024_2007_2008_NZ_2]
The ground cover of vegetation was mapped for the entire ASPA (Antarctic Specially Protected Areas) at Botany Bay, Granite Harbour and at Cape Bird including mosses, lichen and algae. The method for ...


36. PODAAC-J2OGR-GPSHA [JASON_3_L2_OST_OGDR_GPS_1]
This is a near real time dataset that provides a GPS based orbit and Sea Surface Height Anomalies (SSHA) from that orbit. It is similar to the Jason-3 Operation Geophysical Data Record (OGDR) that ...


37. 10 sec GPS ground tracking data [CH-OG-1-GPS-10S]
This data set comprises GPS ground data of a sample rate of 10 sec, generated by decoding and sampling GPS high rate ground data. This raw data passed no quality control. The data are ...


38. 30 sec GPS ground tracking data [CH-OG-1-GPS-30S]
This data set comprises GPS ground data of a sample rate of 30 sec, generated by decoding and sampling GPS high rate ground data. This raw data passed no quality control. The data are ...


39. CHAMP Postprocessed Science Orbit [CH-OG-4-PSO]
This data set features the CHAMP Postprocessed Science Orbit (PSO).


40. CHAMP Rapid Science Orbit [CH-OG-3-RSO]
This data set features the CHAMP Rapid Science Orbit (RSO).


41. CHAMP atmospheric path delay [CH-AI-2-PD]
CHAMP, Atmosphere and Ionosphere


42. CHAMP occultation table [CH-AI-2-TAB]
Product is derived from the first year of CHAMP tracking data.


43. CHAMP profiles of vertical atmospheric parameter [CH-AI-3-ATM]
Product is derived from the first year of CHAMP tracking data.


44. Clock conversion parameters from receiver to GPS time for GRACE-A [GA-OG-1B-CLKDAT]
Edited and decimated from Instruments HR samples to LR samples for Science use.


45. GPM GROUND VALIDATION FLIGHT SUMMARIES AND FLIGHT TRACKS IMAGERY MC3E V1 [gpmfltsummc3e_1]
The Flight Summaries and Flight Tracks Imagery dataset for MC3E provides processed summaries from University of North Dakota including sonde maps, a radar animation, parameter versus time charts, ...


46. GPM GROUND VALIDATION UND CITATION CLOUD MICROPHYSICS GCPEX V2 [gpmcmgcpex2_2]
Daily atmospheric temperature and VMR for the atmospheric species are provided at 2 deg. lat. X 4 deg. long. spatial grids and at a subset of TES standard pressure levels. Algorithms for deriving ...


47. GPM GROUND VALIDATION UND CITATION CLOUD MICROPHYSICS MC3E V1 [gpmcmmc3e_1]
The University of North Dakota (UND) Cessna Citation aircraft, an in-situ platform for the MC3E campaign, carried a suite of instruments for measurements of cloud microphysics, state of the atmosphere ...


48. GRACE-A Level-1B Accelerometer Housekeeping Data [GA-OG-1B-ACCHKP]
Edited and decimated from Instruments HR samples to LR samples for Science use.


49. GRACE-A Level-1B Intermediate Satellite Clock Solution [GA-OG-1B-INTCLK]
GRACE-A Level-1B Intermediate Satellite Clock Solution


50. GRACE-A Level-1B Intermediate Satellite Clock Solution - GA-OG-1B-IPUHKP [GA-OG-1B-IPUHKP]
Edited and decimated from Instruments HR samples to LR samples for Science use.


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