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1. West Antarctica Ice Core Data [NSIDC-0536]
This data set includes ice core water isotope data from Antarctic ice cores covering the last 200 to 2000 years, as published in Steig and others, 2013, Nature Geoscience.


2. Collaborative Research: Integrative Study of Marine Ice Sheet Stability & Subglacial Life Habitats in W Antarctica - Lake & Ice Stream Subglacial Access Research Drilling (LISSARD) [anandakrishnan_0838763]
This award is funded under the American Recovery and Reinvestment Act of 2009 (Public Law 111-5). The LISSARD project (Lake and Ice Stream Subglacial Access Research Drilling) is one of three research ...


3. Collaborative Research: Integrative Study of Marine Ice Sheet Stability and Subglacial Life Habitats - Robotic Access to Grounding-zones for Exploration and Science (RAGES) [anandakrishnan_0838764]
The RAGES project (Robotic Access to Grounding zones for Exploration and Science) is one of three research components of the WISSARD (Whillans Ice Stream Subglacial Access Research Drilling) integrative ...


4. ESA GlobSnow Snow Water Equivalent (SWE) [NSIDC-0595]
The European Space Agency (ESA) Global Snow Monitoring for Climate Research (GlobSnow) snow water equivalent (SWE) v2.0 data record contains snow information derived for the Northern Hemisphere since ...


5. MEaSUREs Northern Hemisphere Terrestrial Snow Cover Extent Daily 25km EASE-Grid 2.0 [NSIDC-0530]
This data set offers users 25 km Northern Hemisphere snow cover extent represented by four different variables. Three of the snow cover variables are derived from the Interactive Multisensor Snow ...


6. MODIS Mosaic of Antarctica 2008-2009 (MOA2009) Image Map [NSIDC-0593]
The MODIS Mosaic of Antarctica 2008-2009 (MOA2009) Image Map consists of two cloud-free digital image maps that show mean surface morphology and a quantitative measure of optical snow grain size on ...


7. Methyl Bromide Measurements in the Taylor Dome M3C1 Ice Core [NSIDC-0598]
The data set includes methyl bromide (CH3Br) measurements made on air extracted from 70 samples from the Taylor Dome M3C1 ice core. CH3Br was measured in air from the Taylor Dome ice core to reconstruct ...


8. Carbonyl Sulfide Measurements in the Taylor Dome M3C1 Ice Core [NSIDC-0599]
The data set includes carbonyl sulfide (COS) measurements made on air extracted from 53 samples from the Taylor Dome M3C1 ice core. COS was measured in air from the Taylor Dome ice core to reconstruct ...


9. EASE-Grid 2.0 Land Cover Classifications Derived from Boston University MODIS/Terra Land Cover Data [NSIDC-0610]
These data provide land cover classifications derived from the Boston University MOD12Q1 V004 MODIS/Terra 1 km Land Cover Product (Friedl et al. 2002).The data are available in various EASE-Grid 2.0 ...


10. EASE-Grid 2.0 Land-Ocean-Coastline-Ice Masks Derived from Boston University MODIS/Terra Land Cover Data [NSIDC-0609]
These Land-Ocean-Coastline-Ice (LOCI) files provide land classification masks derived from the Boston University MOD12Q1 V004 MODIS/Terra 1 km Land Cover Product (Friedl et al. 2002).. The masks are ...


11. EASE-Grid Land Cover Classifications Derived from Boston University MODIS/Terra Land Cover Data [NSIDC-0608]
These data provide land cover classifications derived from the Boston University MOD12Q1 V004 MODIS/Terra 1 km Land Cover Product (Friedl et al. 2002).The data are available in various EASE-Grid azimuthal ...


12. EASE-Grid Land-Ocean-Coastline-Ice Masks Derived from Boston University MODIS/Terra Land Cover Data [NSIDC-0607]
These Land-Ocean-Coastline-Ice (LOCI) files provide land classification masks derived from the Boston University MOD12Q1 V004 MODIS/Terra 1 km Land Cover Product (Friedl et al. 2002).. The masks are ...


13. Greenland Climate Network (GC-Net) Automatic Weather Station Data [NSIDC-0617]
The Greenland Climate Network (GC-NET), established in spring 1994, currently consists of 18 stations with a distributed coverage over the Greenland ice sheet. The GC-Net emphasis is to monitor climatological ...


14. Ice Velocities Around the 2000 Meter Traverse in Greenland [NSIDC-0615]
This data set contains traverse measurements used to infer the mass balance of central parts of the ice sheet upslope from the traverse, and results from this work have been published in Thomas et ...


15. Mass-Balance Estimates by Comparing Ice Discharge Across the 2000 m Traverse [NSIDC-0618]
Ice-sheet mass balance can be inferred from comparison between total net accumulation and total ice discharge, and this data set contains results from such a comparison for higher-elevation parts ...


16. Methyl Chloride Measurements in the Taylor Dome M3C1 Ice Core [NSIDC-0600]
This data set includes methyl chloride (CH3CI) measurements made on air extracted from 62 samples from the Taylor Dome M3C1 ice core in East Antarctica. CH3CI was measured in ...


17. Radar Studies of Subglacial Lake Whillans and the Whillans Ice Stream Grounding Zone [NSIDC-0594]
This data set includes ground-based, gridded, ice-penetrating radar thickness and basal reflection power, along with GPS coordinates, for two areas of Whillans Ice Stream: Subglacial Lake Whillans ...


18. Synthesis of Thwaites Glacier Dynamics: Diagnostic and Prognostic Sensitivity Studies of a West Antarctic Outlet System [NSIDC-0619]
This data set consists of experimental output from a higher-order finite-element model that was utilized in conjunction with existing data sets to isolate essential physical processes affecting Thwaites ...


19. Aquarius L3 Weekly Polar-Gridded Brightness Temperature and Sea Surface Salinity [AQ3_TB]
The data set consists of weekly gridded Level-3 products of Aquarius L-band radiometer brightness temperature (TB) observations and Sea Surface Salinity (SSS) retrievals from the Aquarius/Satélite ...


20. Aquarius L3 Weekly Polar-Gridded Normalized Radar Cross Section [AQ3_NRCS]
The data set consists of weekly polar-gridded Level-3 products of Aquarius L-band Normalized Radar Cross Section (NRCS) retrievals from the Aquarius/Satélite de Aplicaciones Científicas (SAC-D) mission, ...


21. Aquarius L3 Weekly Polar-Gridded Sea Surface Salinity [AQ3_SSS]
This data set consists of weekly gridded Level-3 products of Aquarius L-band radiometer Sea Surface Salinity (SSS) retrievals from the Aquarius/Satélite de Aplicaciones Científicas (SAC-D) mission, ...


22. Atlas of Community-Based Monitoring in a Changing Arctic (Arctic CBM) [ELOKA033]
This atlas showcases Arctic communities actively involved in observing social and environmental change. It was designed to highlight the many community-based monitoring (CBM) and traditional knowledge ...


23. Bubble Number-density Data and Modeled Paleoclimates [NSIDC-0538]
This data set includes bubble number-density measured at depths from 120 meters to 560 meters at 20-meter intervals in both horizontal and vertical samples. The data set also includes modeled temperature ...


24. ClimoBase: Rouse Canadian Surface Observations of Weather, Climate, and Hydrological Variables, 1984-1998 [G10008]
ClimoBase is a collection of surface climate measurements collected in Northern Canada by Dr. Wayne Rouse between 1984 and 1998 in three locations: Churchill, Manitoba; Marantz Lake, Manitoba; and ...


25. Greenland Ice Surface Elevations from NASA ATM Airborne Lidar [NSIDC-0614]
Scanning laser altimeters were flown over the Greenland icesheet during late spring or early summer from 1993 to 1999. Flights spanned the entire icesheet, sampling interior and coastal regions and ...


26. High-resolution Atmospheric CO2 during 7.4-9.0 ka [NSIDC-0527]
This data set provides a new CO2 record from the Siple Dome ice core, Antarctica, that covers 7.4-9.0 ka (thousand years) with 8- to 16-year resolution. A small, about 1-2 ppm, increase of atmospheric ...


27. IceBridge Radar L3 Tomographic Ice Thickness [IRTIT3]
This data set contains Level-3 tomographic ice thickness measurements derived from data captured by the Center for Remote Sensing of Ice Sheets (CReSIS) Multichannel Coherent Radar Depth Sounder (MCoRDS) ...


28. IceBridge Sander AIRGrav L4 Bathymetry [IGBTH4]
This data set contains bathymetry of Arctic fjords and Antarctic ice shelves based on measurements from the Sander Geophysics Airborne Inertially Referenced Gravimeter (AIRGrav) system. The data were ...


29. Iceberg Capsize Kinematics and Energetics [NSIDC-0590]
This data set represents a typical single iceberg capsize experiment. Included in this data set are all the parameters of the plastic iceberg's density and dimensions, the density of the water surrounding ...


30. MEaSUREs Greenland Surface Melt Daily 25km Ease-Grid 2.0 [NSIDC-0533]
This data set offers users a 25 km daily record of surface/near-surface melting on the Greenland Ice Sheet. The presence of melting is determined from brightness temperature data acquired during a ...


31. Modelled Precipitation Over Greenland [NSIDC-0612]
This data set includes the annual total precipitation from 1985 to 1999 and monthly total precipitation from January 1985 to December 1999. The data is derived from a dynamic model using the omega ...


32. SMAPVEX12 Core-Based In Situ Soil Moisture Data for Agricultural Area [SV12CSMA]
This data set contains in situ soil moisture data collected with coring devices at several agricultural sites as part of the Soil Moisture Active Passive Validation Experiment 2012 (SMAPVEX12).


33. SMAPVEX12 Core-Based Soil Texture Data [SV12CST]
This data set contains in situ soil texture data collected with coring devices at several sites as part of the Soil Moisture Active Passive Validation Experiment 2012 (SMAPVEX12).


34. SMAPVEX12 In Situ Vegetation Data for Forest Area [SV12VF]
This data set contains in situ vegetation data collected at several forest sites as a part of the Soil Moisture Active Passive Validation Experiment 2012 (SMAPVEX12).


35. Scatterometer Climate Record Pathfinder Data [NSIDC-0613]
This data set contains mean normalized backscatter coefficient (sigma-naught); backscatter variance; and other associated data files from Seasat SASS carrying a Ku-band scatterometer (1978), European ...


36. WAIS Divide Ice Core Electrical Conductance Measurements, Antarctica [NSIDC-0591]
This data set contains electrical measurements that were used to develop the WDC06A-7 timescale.


37. WAIS Divide Sonic Log Data [NSIDC-0592]
This data set contains a record of speeds for vertically-propagating compression-waves measured throughout the depth of ice that surrounds the WAIS-D borehole. Multiple logs provide redundant measurements ...


38. Yup'ik Environmental Knowledge Project [ELOKA032]
Over the last ten years the Calista Elders Council (CEC) staff has worked with elders from Bering Sea coastal communities to document Yup'ik place names. Elders have been eager to teach young people ...


39. Alaskan Air, Ground, Snow, and Soil Temperatures, 1998-2001 [GGD903]
This data set contains air and ground temperature measurements collected from three different regions, each with multiple sites. The regions sampled are North Slope, Council, and Ivotuk. Measurements ...


40. Climate Data from Barrow and Atqasuk, Alaska, 1995-2001 [GGD908]
This data set presents various climate data from sites in Barrow and Atquasuk, on the Northern Slope of Alaska. Parameters include thaw depth, air temperature, precipitation, wind speed, light intensity, ...


41. East Siberian Air, Ground Temperature, and Snow Depth Measurements, 1882-1994 [GGD902]
This data set contains historical data for 35 Russian stations located between approximately 117-145 E and 55-72 N. Data were collected between 1882-1994, but the time period covered by each station ...


42. GLAS/ICESat L1A Global Altimetry Data (HDF5) [GLAH01]
Level-1A altimetry data (GLAH01) include the transmitted and received waveform from the altimeter. Each data granule has an associated browse product.


43. Heard Island Glacier Fluctuations and Climatic Change - 2003/04 Fieldwork [NSIDC-0582]
This data set contains data on the physical flow characteristics, mass balance, sub-glacial topography, and recent fluctuations of the Heard Island glacier. The data were collected for The Antarctic ...


44. Air and Soil Temperatures from Sites in Alaska 1995-2001 [GGD907]
This data set consists of air and soil temperatures from various sites in Alaska between 1995 and 2001. Data loggers recorded soil temperatures at 1 cm below the ground or snow surface, and air temperatures ...


45. GLAS/ICESat L1A Global Atmosphere Data (HDF5) [GLAH02]
GLAH02 Level-1A atmospheric data include the normalized relative backscatter for the 532 nm and 1064 nm channels, and low-level instrument corrections such as laser energy (1064 nm and 532 nm), photon ...


46. GLAS/ICESat L1A Global Engineering Data (HDF5) [GLAH03]
Level-1A global engineering data (GLAH03) include satellite housekeeping data used to calibrate data values for GLA01 and GLA02.


47. GLAS/ICESat L1A Global Laser Pointing Data (HDF5) [GLAH04]
Level-1A global laser pointing data (GLAH04) contain two orbits of attitude data from the spacecraft star tracker, instrument star tracker, gyro, and laser reference system, and other spacecraft attitude ...


48. GLAS/ICESat L1B Global Backscatter Data (HDF5) [GLAH07]
GLAH07 Level-1B global backscatter data are provided at full instrument resolution. The product includes full 532 nm (41.1 to -1.0 km) and 1064 nm (20 to -1 km) calibrated attenuated backscatter profiles ...


49. GLAS/ICESat L2 Global Aerosol Vertical Structure Data (HDF5) [GLAH10]
GLAH10 Level-2 aerosol vertical structure data contain the attenuation-corrected cloud and aerosol backscatter and extinction profiles at a 4 sec sampling rate for aerosols and a 1 sec rate for clouds. ...


50. GLAS/ICESat L2 Global Cloud Heights for Multi-layer Clouds (HDF5) [GLAH09]
GLAH09 Level-2 cloud heights for multi-layer clouds contain cloud layer top and bottom height data at sampling rates of 4 sec, 1 sec, 5 Hz, and 40 Hz. Each data granule has an associated browse product.


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