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1. R/V Nathaniel B. Palmer NBP1608 - Investigating Iron-binding Ligands in Southern Ocean Diatom Communities [NBP1608]   PARENT DIF
The NSF-supported research icebreaker Nathaniel B. Palmer operates year-round in support of the U.S. Antarctic Program, carrying out global change studies in biological, chemical, physical, and oceanographic ...


2. R/V Nathaniel B. Palmer NBP1609 - Ocean Observatories Initiative (OOI): Argentine Basin Array, Leg 3 [NBP1609]   PARENT DIF
The NSF-supported research icebreaker Nathaniel B. Palmer operates year-round in support of the U.S. Antarctic Program, carrying out global change studies in biological, chemical, physical, and oceanographic ...


3. R/V Nathaniel B. Palmer NBP1701 - Evolutionary Response of Southern Ocean Diatoms to Environmental Change/Circumpolar Deep Water (CDW) Transport from the Open Ocean to the Antarctic Continental Shelf/Southern Ocean Carbon and Climate Observations and Modelling (SOCCOM) [NBP1701]   PARENT DIF
The NSF-supported research icebreaker Nathaniel B. Palmer operates year-round in support of the U.S. Antarctic Program, carrying out global change studies in biological, chemical, physical, and oceanographic ...


4. R/V Nathaniel B. Palmer NBP1704 - Collaborative Research: Polynyas, Ice production and seasonal evolution in the Ross Sea [NBP1704]   PARENT DIF
The NSF-supported research icebreaker Nathaniel B. Palmer operates year-round in support of the U.S. Antarctic Program, carrying out global change studies in biological, chemical, physical, and oceanographic ...


5. R/V Nathaniel B. Palmer NBP1706 - Collaborative Research: Global Ocean Repeat Hydrography, Carbon, and Tracer Measurements, 2015-2020 (US GO-SHIP Leg I) [NBP1706]   PARENT DIF
The NSF-supported research icebreaker Nathaniel B. Palmer operates year-round in support of the U.S. Antarctic Program, carrying out global change studies in biological, chemical, physical, and oceanographic ...


6. R/V Nathaniel B. Palmer NBP1707 - Collaborative Research: Global Ocean Repeat Hydrography, Carbon, and Tracer Measurements, 2015-2020 (US GO-SHIP Leg II) [NBP1707]   PARENT DIF
The NSF-supported research icebreaker Nathaniel B. Palmer operates year-round in support of the U.S. Antarctic Program, carrying out global change studies in biological, chemical, physical, and oceanographic ...


7. Adelie Penguin Distributions in the Davis Area, Antarctica [ASAC_1219_AAT_APen_D_73]   PARENT DIF
This dataset contains data on the habitats, distribution and numbers of Adelie Penguins (Pygoscellis adeliae) along the Vestfold Hills coast (including colonies on the mainland and offshore islands) ...


8. Adelie Penguin Distributions in the Mawson Area Antarctica [ASAC_1219_AAT_APen_M]   PARENT DIF
This dataset contains data on the habitats, distribution and numbers of Adelie Penguins (Pygoscellis adeliae) in the Mawson area, Antarctica during 1981 and 1988. The data are obtained from aerial ...


9. BDSNP Module for Improved Soil NO Emission Estimates for CMAQ Model, Conterminous USA [BDSNP_CMAQ_Model_1351_1]
This model product provides: (1) the source code for the updated Berkeley-Dalhousie Soil Nitric Oxide (NO) Parameterization module (BDSNP, Version 1.0) as implemented with the Community Multi-scale ...


10. Landsat-based Phenology and Tree Ring Characterization, Eastern US Forests, 1984-2013 [Dendrophenology_Eastern_US_1369_1]
This data set provides a 30-year record of Landsat TM and ETM+ derived forest phenology and the results of tree ring analyses for annual wood production and nitrogen and carbon isotopic composition ...


11. NACP Biome-BGC Modeled Ecosystem Carbon Balance, Pacific Northwest, USA, 1986-2010 [NACP_PNW_Carbon_Balance_1317_1]
This data set provides Biome-BGC modeled estimates of carbon stocks and fluxes in the U.S. Pacific Northwest for the years 1986-2010. Fluxes include net ecosystem production (NEP), and net aboveground ...


12. NACP Soil Organic Matter of Burned Boreal Black Spruce Forests, Alaska, 2009-2011 [NACP_BlackSpruce_Burn-Severity_1331_1]
This data set provides organic soil layer characteristics, estimated carbon content, and soil depth measurements made at four black spruce stands in interior Alaska that had burned twice in the last ...


13. NACP VPRM NEE Parameters Optimized to North American Flux Tower Sites, 2000-2006 [VPRM_North_America_Parameters_1349_1]
This data set provides Vegetation Photosynthesis Respiration Model (VPRM) net ecosystem exchange (NEE) parameter values optimized to 65 flux tower sites across North America. The parameters include ...


14. NACP Woody Vegetation Characteristics of 1,039 Sites across North Slope, Alaska, V2 [NACP_Woody_Veg_N_Slope_AK_V2_1365_2]
This data set provides the results of (1) field measurements of woody vegetation (shrubs) at 26 diverse sites across the North Slope of Alaska during 2010 and 2011, (2) field-based statistical estimates ...


15. NGEE Arctic Tram: Radiation and Environmental Measurements over Low- and High-Centered Polygon Vegetation Communities, Barrow, Alaska, 2014-2017 [NGEE_Arctic_Tram_Radiation and Environmental Measurements_1]
Data generated from an observational platform (Tram) consisting of 68 meters of elevated track 1 to 1.5 meters above the surface and an automated cart carrying a suite of radiation and remote sensing ...


16. R/V Laurence M. Gould LMG1509 - Impacts of Local Oceanographic Processes on Adélie Penguin Foraging Ecology over Palmer Deep [LMG1509]   PARENT DIF
The NSF-supported research icebreaker Laurence M. Gould operates year-round in support of the U.S. Antarctic Program, carrying out global change studies in biological, chemical, physical, and oceanographic ...


17. R/V Laurence M. Gould LMG1606 - Early-Career Scientist Training Cruise: Biological Adaptations to Environmental Change in Antarctica [LMG1606]   PARENT DIF
The NSF-supported research icebreaker Laurence M. Gould operates year-round in support of the U.S. Antarctic Program, carrying out global change studies in biological, chemical, physical, and oceanographic ...


18. R/V Laurence M. Gould LMG1701 [LMG1701]   PARENT DIF
The NSF-supported research icebreaker Laurence M. Gould operates year-round in support of the U.S. Antarctic Program, carrying out global change studies in biological, chemical, physical, and oceanographic ...


19. R/V Laurence M. Gould LMG1702 [LMG1702]   PARENT DIF
The NSF-supported research icebreaker Laurence M. Gould operates year-round in support of the U.S. Antarctic Program, carrying out global change studies in biological, chemical, physical, and oceanographic ...


20. R/V Laurence M. Gould LMG1703 [LMG1703]   PARENT DIF
The NSF-supported research icebreaker Laurence M. Gould operates year-round in support of the U.S. Antarctic Program, carrying out global change studies in biological, chemical, physical, and oceanographic ...


21. R/V Laurence M. Gould LMG1704 - Resolving CO2 system seasonality in the West Antarctic Peninsula with Autonomous Observations [LMG1704]   PARENT DIF
The NSF-supported research icebreaker Laurence M. Gould operates year-round in support of the U.S. Antarctic Program, carrying out global change studies in biological, chemical, physical, and oceanographic ...


22. R/V Laurence M. Gould LMG1706 - XBT cruise [LMG1706]   PARENT DIF
The NSF-supported research icebreaker Laurence M. Gould operates year-round in support of the U.S. Antarctic Program, carrying out global change studies in biological, chemical, physical, and oceanographic ...


23. R/V Laurence M. Gould LMG1707 - XBT Cruise NB [LMG1707]   PARENT DIF
The NSF-supported research icebreaker Laurence M. Gould operates year-round in support of the U.S. Antarctic Program, carrying out global change studies in biological, chemical, physical, and oceanographic ...


24. R/V Laurence M. Gould LMG1708 - Collaborative Research: Autonomous Sampling of Southern Ocean Mixing (AUSSOM) [LMG1708]   PARENT DIF
The NSF-supported research icebreaker Laurence M. Gould operates year-round in support of the U.S. Antarctic Program, carrying out global change studies in biological, chemical, physical, and oceanographic ...


25. Radiocarbon in Ecosystem Respiration, Soil Pore-space CO2, CO2 and Soil Organic Matter from Incubations; Surface Gas Fluxes, Air Temp, and Soil C, N, Temp and Moisture, Barrow, Alaska, 2012-2014 [NGEE_Radiocarbon_Ecosystem_Respiration_1]
Dataset includes Delta14C measurements made from CO2 that was collected and purified in 2012-2014 from surface soil chambers, soil pore space, and laboratory soil incubations. In addition to Delta14CO2 ...


26. Shallow Coastal Marine Fauna of the Vestfold Hills and Rauer Island Antarctica [AADC-00047]
This dataset is a description of the shallow coastal marine fauna found in the Vestfold Hills and Rauer Island area, Antarctica. The results are from various surveys in this region over a 12 month ...


27. Weddell Seals of the Vestfold Hills Antarctica [AADC-00048]   CHILD DIFs
This dataset contains the results from studies of the Weddell Seal (Lepotonychotes weddellii) in the Vestfold Hills region, Antarctica. Results from tagging surveys, photographs and aerial surveys ...


28. Collaborative Research: West Antarctic Ice Sheet stability, Alpine Glaciation, and Climate Variability: a Terrestrial Perspective from Cosmogenic-nuclide Dating in McMurdo Sound [USAP-1245899]
Intellectual Merit: The PIs propose to complement the ANDRILL marine record with a terrestrial project that will provide chronological control for past fluctuations of the West Antarctic Ice Sheet ...


29. NGEE Arctic Plant Traits: Soil Cores, Kougarok Road Mile Marker 64, Seward Peninsula, Alaska, 2016 [NGEE Arctic Plant_Traits_Soil_Cores_Kougarok_Road_Mile_Marker_64_Seward_Peninsu]
Data describes soil cores collected at vegetation plots at the Kougarok hill slope located at Kougarok Road, Mile Marker 64 in July 2016. Data upload will be completed January 2017.


30. NGEE Arctic Tram: Photographs over Low- and High-Centered Polygon Vegetation Communities, Barrow, Alaska, 2014-2017 [NGEE_Arctic_Tram_Photographs]
This dataset provides a digital image of each measurement position stop for every run of the Tram. There are 137 stops per run and there were sometimes multiple runs per day. This first version provides ...


31. NGEE Arctic HR1024i Canopy Spectral Reflectance, Drained Thaw Lake Basin, Barrow, Alaska, July 2015 [NGEE_Arctic_HR1024i]
Measurements of full-spectrum (i.e. 350-2500nm) canopy spectral reflectance along the NGEE-Arctic DTLB in Barrow, Alaska. Spectra were collected using the HR-2014i instrument mounted on a tripod together ...


32. OCO-2 Level 2 bias-corrected XCO2 and other select fields from the full-physics retrieval aggregated as daily files, Retrospective processing V8r (OCO2_L2_Lite_FP) at GES DISC [OCO2_L2_Lite_FP_8r]
Version 8r is the current version of the data set. Version 7r has been superseded by Version 8r. The OCO-2 Lite files contain bias-corrected XCO2 along with other select fields aggregated as daily ...


33. Collaborative Research: Science Opportunities for a Multidisciplinary Long-Range Aircraft for Antarctic Research [csatho_0443556]
NSF OPP Grants 0443556 and 0443391 Collaborative Research: Science Opportunities for a Multidisciplinary Long-Range Aircraft for Antarctic Research The polar regions ...


34. HRIR/Nimbus-2 Images of Nighttime Brightness Temperature on 70 mm Film V001 (HRIRN2IM) at GES DISC [HRIRN2IM_001]
HRIRN2IM is the Nimbus-2 High-Resolution Infrared Radiometer (HRIR) data product containing scanned negatives of photofacsimile 70mm film strips. The images contain orbital nighttime (3.5 to 4.1 microns) ...


35. HRIR/Nimbus-2 Level 1 Meteorological Radiation Data V001 (HRIRN2L1) at GES DISC [HRIRN2L1_001]
HRIRN2L1 is the High Resolution Infrared Radiometer (HRIR) Nimbus-2 Level 1 Meteorological Radiance Data (NMRT) product and contains infrared radiances converted to equivalent black-body temperature ...


36. Level-0 of MESSR (MOS-1/1b) Data Processing [ND01005_Latest Version]
Level-0 (Uncorrected) Data for radiometric and geometric corrections are added to raw MESSR data.


37. Level-1 of MESSR (MOS-1/b) Data Processing(JAXA/EOC) [ND01006_Latest Version]
Level-1 (Radiometric correction) Data for geometric correction is added to MESSR data after radiometric correction.


38. Level-1 of MSR (MOS-1/1b) Data Processing(JAXA/EOC) [ND01012_Latest Version]
Level-1 (Radiometric correction) Data for geometric correction is added to MSR data after radiometric correction.


39. Level-1 of VTIR (MOS-1/1b) Data Processing(JAXA/EOC) [ND01009_Latest Version]
Level-1 (Radiometric correction) Data for geometric correction is added to VTIR data after radiometric correction.


40. Level-2 of MESSR (MOS-1/1b) Data Processing(JAXA/EOC) [ND01007_Latest Version]
Level-2 (System correction) Map projected MESSR data after radiometric and geometric corrections. Includes Geo-Coded.


41. Level-2 of MSR (MOS-1/1b) Data Processing(JAXA/EOC) [ND01013_Latest Version]
Level-2 (System correction) Map projected MSR data after radiometric and geometric corrections. Includes Geo-Coded.


42. Level-2 of VTIR (MOS-1/1b) Data Processing(JAXA/EOC) [ND001010_Latest Version]
Level-2 (System correction) Map projected VTIR data after radiometric and geometric corrections. Includes Geo-Coded.


43. MESSR Data from JAXA/EOC Japan [ND01002_Latest Version]
A multi-spectral electronic self-scanning radiometer (MESSR) is an electronic-scan-type radiometer which detects reflected solar rays from the earth's surface in two visible bands and two near-infrared ...


44. MRIR/Nimbus-2 Images of Daytime Brightness Temperature on 4 x 5 inch Film Sheets V001 (MRIRN2IM) at GES DISC [MRIRN2IM_001]
MRIRN2IM is the Nimbus-2 Medium Resolution Infrared Radiometer (MRIR) data product consisting of 4 x 5 inch photographic film sheets. Each film sheet contains an entire orbit (daylight portion) of ...


45. MSR Data from JAXA Japan [ND01004_Latest Version]
As a parabolic antenna revolves, the microwave scanning radiometer (MSR) continuously scans the earth surface conically for a width of 317 km. During this process, the MSR receives weak radio waves ...


46. PMR/Nimbus-6 Level 1 Radiance Data from CD-ROM V001 (PMRN6L1RAD_CDROM) at GES DISC [PMRN6L1RAD_CDROM_001]
PMRN6L1RAD_CDROM is the gridded Nimbus-6 Pressure Modulated Radiometer (PMR) Level 1 Radiance Data Product. The radiances are measured at CO2 lines in the 15 micron band. The purpose of the PMR experiment ...


47. VTIR Data from JAXA/EOC Japan [ND01003_Latest Version]
A visible and thermal infrared radiometer (VTIR) covers one visible band and three thermal infrared bands to detect thermal radiation from the earth's surface. This radiometer is equipped with a ...


48. Firn Air Study in the Megadunes Near Vostok, Antarctica [severinghaus_nsf0230452]
This award supports a study of the chemical composition of air in the snow layer (firn) in a region of "megadunes" near Vostok station, Antarctica. It will test the hypothesis that a deep ...


49. Increased Connectivity in a Polar Desert Resulting from Climate Warming: McMurdo Dry Valley LTER Program [USAP-1115245]
The McMurdo Dry Valleys (MDV) is a polar desert on the coast of East Antarctica, a region that has not yet experienced climate warming. The McMurdo Dry Valleys Long Term Ecological Research (MCMLTER) ...


50. The Chemical Ecology of Shallow-water Marine Macroalgae and Invertebrates on the Antarctic Peninsula - NSF-ANT08-38773 [NSF-ANT08-38773]
The near shore environments of the western Antarctic Peninsula (WAP) harbor extremely high densities of mesograzers (small invertebrate predators approximately 1-25 mm in length) such as benthic amphipods, ...


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