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1. Arctic Sea Ice Charts from Danish Meteorological Institute, 1893 - 1956 [G02203]
From 1893 to 1956, the Danish Meteorological Institute (DMI) created charts of observed and inferred sea ice extent for each summer month. These charts are based on compiled observations of ice conditions ...


2. Arctic Sea Ice Concentration and Extent from Danish Meteorological Institute Sea Ice Charts, 1901-1956 [G10007]
This data set provides estimates of Arctic sea ice extent and concentration from 1901 to 1956 created from a collection of historic, hand-drawn sea ice charts from the Danish Meteorological Institute ...


3. NOAA/NSIDC Climate Data Record of Passive Microwave Sea Ice Concentration [G02202]
This data set provides a Climate Data Record (CDR) of sea ice concentration from passive microwave data. It provides a consistent, daily and monthly time series of sea ice concentrations from 09 July ...


4. Arctic Sea Ice Melt Pond Statistics and Maps, 1999-2001 [G02159]
Visible band imagery from high-resolution satellites were acquired over four Arctic Ocean sites (three in 1999) during the summers of 1999, 2000, and 2001. The sites were within the median extent ...


5. Canadian Ice Service Arctic Regional Sea Ice Charts in SIGRID-3 Format [G02171]
The Canadian Ice Service (CIS) produces digital Arctic regional sea ice charts for marine navigation, climate research, and input to the Global Digital Sea Ice Data Bank (GDSIDB). The ice charts are ...


6. IMS Daily Northern Hemisphere Snow and Ice Analysis at 4 km and 24 km Resolution [G02156]
The National Environmental Satellite, Data, and Information Service (NESDIS), part of the National Oceanic and Atmospheric Administration (NOAA), has an extensive history of monitoring snow and ice ...


7. National Ice Center Arctic Sea Ice Charts and Climatologies in Gridded Format [G02172]
The U.S. National Ice Center (NIC) is an inter-agency sea ice analysis and forecasting center comprised of the Department of Commerce/NOAA, the Department of Defense/U.S. Navy, and the Department ...


8. Sea Ice Charts of the Russian Arctic in Gridded Format, 1933-2006 [G02176]
The Arctic and Antarctic Research Institute (AARI) in St. Petersburg, Russia, produces sea ice charts for safety of navigation in the polar regions and for other operational and scientific purposes. ...


9. Arctic and Southern Ocean Sea Ice Concentrations [G00799]
Monthly sea ice concentration for Arctic (1901 to 1995) and Southern oceans (1973 to 1990) were digitized on a standard 1-degree grid (cylindrical projection) to provide a relatively uniform set of ...


10. NOAA/NMC/CAC Arctic and Antarctic Monthly Sea Ice Extent, 1973-1990 [G00917]
Sea ice extent from January 1973 through August 1990 was digitized from weekly operational sea ice charts produced by the Navy/NOAA Joint Ice Center. Charts were digitized by hand using a 1 degree ...


11. The Dehn Collection of Arctic Sea Ice Charts, 1953-1986 [G01111]
The National Snow and Ice Data Center holds a collection of charts depicting ice conditions in the seas off Alaska and western Canada coasts. Ice edge position and some ice concentration and other ...


12. AMSR-E/Aqua Daily L3 12.5 km Brightness Temperature, Sea Ice Concentration, & Snow Depth Polar Grids [AE_SI12]
The Advanced Microwave Scanning Radiometer - Earth Observing System (AMSR-E) instrument on the NASA Earth Observing System (EOS) Aqua satellite, provides global passive microwave measurements of land, ...


13. AMSR-E/Aqua Daily L3 25 km Brightness Temperature & Sea Ice Concentration Polar Grids [AE_SI25]
The Advanced Microwave Scanning Radiometer - Earth Observing System (AMSR-E) instrument on the NASA Earth Observing System (EOS) Aqua satellite provides global passive microwave measurements of land, ...


14. Total Sea Ice Concentration from EUMETSAT OSI SAF [DAMOC_conc]
Not Available


15. ASPECT - Antarctic sea ice thickness distribution from ship observations collected between 1980 - 2004 [ASPECT]   CHILD DIFs
Ship observations, collected over the period 1980 - 2004, will be used to determine the regional and seasonal variability of the Antarctic sea ice thickness distribution. The thickness of Antarctic ...


16. ASPeCt Sea Ice Data from the SIPEX Voyage of the Aurora Australis in 2007-2008 [SIPEX_ASPECT]   PARENT DIF
ASPeCt is an expert group on multi-disciplinary Antarctic sea ice zone research within the SCAR Physical Sciences program. Established in 1996, ASPeCt has the key objective of improving our understanding ...


17. An investigation into Southern Hemisphere cyclone-sea ice links using long records of NCEP analyses and passive microwave data [ASAC_1080]
The sea ice data are the SMMR/SMMI data for the period 1978-96. These are in the form of daily (or bi-diurnal) concentration amounts on a regular grid. The data on the extratropical cyclones has been ...


18. Antarctic CRC and Australian Antarctic Division Climate Data Set - Australian iceberg observations [climate_iceberg]
This dataset contains iceberg observations collected routinely on Australian National Antarctic Research Expeditions (ANARE) by Antarctic expeditioners on a volunteer basis. The observations were ...


19. Cetacean Sightings Survey and Southern Ocean Cetacean Program - BROKE-West [BROKE-West_Cetaceans]   PARENT DIF
Observation on V3 commenced as the Aurora Australis departed Fremantle and concluded on the approach to Hobart. The SOCEP research objective is to detect and document cetacean sightings ...


20. Early Iceberg Observations by Australian Antarctic Expeditioners [early_iceberg_obs]
Between 1954 and 1975, iceberg observations were collected on Australian National Antarctic Research Expeditions (ANARE) by Antarctic expeditioners on a volunteer basis as they travelled to and from ...


21. Fast-ice Distribution in East Antarctica During 1997 and 1999 Determined Using RADARSAT Data [fast_ice_1997_1999]   PARENT DIF
An image correlation technique has been applied to RADARSAT ScanSAR images from November in 1997, and November 1999, to create the first detailed maps of fast ice around East Antarctica (75E-170E). ...


22. Images showing the retreat of sea ice and subsequent chlorophyll-a bloom in the spring/summer of 1997/98-2009/10, East Antarctica. [ice_retreat_blooms]
This data set comprises animations showing the spring/summer melt of sea ice in East Antarctica and the subsequent chlorophyll blooms. SMMR-SSM/I sea ice concentration data were obtained from the ...


23. Integrated PAR exposure of sea ice in East Antarctica [ICEPAR]
The data comprise images (encapsulated postscript and PNG formats) showing the integrated solar irradiance exposure of sea ice. The exposure value for ice at a given grid point was calculated by computing ...


24. Scientific Research Conducted on BROKE-West: Voyage 3 of the Aurora Australis, 2005-2006 [BROKE-West]   CHILD DIFs
The BROKE-West survey was conducted on voyage 3 of the Aurora Australis during the 2005-3006 season. It was intended to be a comprehensive biological and oceanographic survey of the region between ...


25. Sea Ice Observations in the ASPeCt format during the 2007 SIMBA cruise [SIMBA_sea_ice_observations]
These data describe pack ice characteristics in the Antarctic sea ice zone. These data are in the ASPeCt format. National program: United States Vessel: Nathaniel B. Palmer Dates in ice: 1 Sept ...


26. The nature of the Antarctic Circumpolar Wave and its connections with Australian rainfall variability [ASAC_1329]
Metadata record for data from ASAC Project 1329 See the link below for public details on this project. ---- Public Summary from Project---- The Antarctic Circumpolar Wave is a mode of high latitude ...


27. Sea Ice Concentrations from Nimbus-7 SMMR and DMSP SSM/I-SSMIS Passive Microwave Data [NSIDC-0051]
This data set is generated from brightness temperature data derived from the following sensors: the Nimbus-7 Scanning Multichannel Microwave Radiometer (SMMR), the Defense Meteorological Satellite ...


28. Bootstrap Sea Ice Concentrations from Nimbus-7 SMMR and DMSP SSM/I-SSMIS [NSIDC-0079]
This sea ice concentration data set was derived using measurements from the Scanning Multichannel Microwave Radiometer (SMMR) on the Nimbus-7 satellite and from the Special Sensor Microwave/Imager ...


29. Near-Real-Time DMSP SSM/I-SSMIS Daily Polar Gridded Sea Ice Concentrations [NSIDC-0081]
This data set provides a near-real-time (NRT) map of sea ice concentrations for both the Northern and Southern Hemispheres. The near-real-time passive microwave brightness temperature data are acquired ...


30. 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 ...


31. DMSP-F8 SSM/I Pathfinder Global Level 2 Sea Ice Concentrations [NSIDC-0028]
These sea ice concentrations have been generated by applying the NASA Team algorithm to DMSP F8 SSM/I brightness temperature observations from 19 GHz (vertical and horizontal), 37- and 22 GHz vertical ...


32. Near-Real-Time SSM/I-SSMIS EASE-Grid Daily Global Ice Concentration and Snow Extent [NISE1]
The Near-Real-Time SSM/I-SSMIS EASE-Grid Daily Global Ice Concentration and Snow Extent product (Near-real-time Ice and Snow Extent, NISE) provides daily, global near-real-time maps of sea ice concentrations ...


33. Nimbus-5 ESMR Polar Gridded Sea Ice Concentrations [NSIDC-0009]
Daily and monthly averaged sea ice concentrations from the Nimbus-5 Electrically Scanning Microwave Radiometer (ESMR) are available for the Arctic and Antarctic from 12 December 1972 through 31 December ...


34. Nimbus-7 SMMR Polar Gridded Radiances and Sea Ice Concentrations [NSIDC-0007]
This data set contains gridded brightness temperatures and sea ice concentrations for both polar regions. It spans the period from October 1978 through August 1987, when the Nimbus-7 SMMR scanner ...


35. Light-driven tipping points in polar ecosystems - Casey Station, Antarctica [Light_Tipping_Points]
Some ecosystems can undergo abrupt transformation in response to relatively small environmental change. Identifying imminent "tipping points" is crucial for biodiversity conservation, particularly ...


36. Arctic Marine Transportation Program 1979-1986 [G02196]
The purpose of this program was to collect data relevant to developing year-round transportation capabilities in the Arctic Ocean. The US Maritime Administration sponsored this multi-year program ...


37. Environmental Working Group Joint U.S.-Russian Arctic Sea Ice Atlas [G01962]
The Environmental Working Group (EWG) was established in June 1995 under the framework of the U.S.-Russian Joint Commission on Economic and Technological Cooperation. In January 1996, the EWG Arctic ...


38. Sea Ice Index [G02135]
This data set contains time series of monthly snow cover extent (SCE) for North America, Eurasia, and the Northern Hemisphere from 1915 to 1997, based on snow cover reconstruction and NOAA satellite ...


39. When the Weather is Uggianaqtuq: Inuit Observations of Environmental Change [ARCSS122]
Uggianaqtuq (pronounced OOG-gi-a-nak-took) is a North Baffin Inuktitut word that means to behave unexpectedly, or in an unfamiliar way. From the perspective of many hunters and elders in the Arctic, ...


40. Southern Ocean Sea Ice Extent and Area [SOE_seaice]
This indicator is no longer maintained, and is considered OBSOLETE. INDICATOR DEFINITION The northern limit of the pack ice as defined by the 15% concentration of sea ice determined by the SSM/I ...


41. Seasonal time series from 1982-2011 [seasonal_time_series_from_1982-2011]
Time series from 1982-2011 are updates from the analysis presented in Bhatt et al. 2010. The data text files are tab delimited and column names identify the variable and see TreshnikovJan11.png for ...


42. Weekly and Biweekly time series for tundra regions 1982-2011 [weekly_and_biweekly_time_series_for_tundra_regions_1982-2011]
Time series for weekly surface temperature (full tundra) and sea ice concentration (100-km) for each Treshnikov domain comprises this seasonal data set. The time series for biweekly (twice a month) ...


43. Hadley Centre Global Sea Ice and Sea Surface Temperature (HadISST) [NCAR_DS277.3]
This dataset includes HadISST1 and HadSST2 from UK Hadley Centre. HadISST1 is a unique combination of monthly globally-complete fields of SST and sea ice concentration on a ...


44. NCDC TD3505 Integrated Surface Hourly Data, 1901-continuing [NCAR_DS463.3]
This worldwide collection of surface weather observations is produced at the National Climatic Data Center (NCDC) from NCDC Surface Airway Hourly Observations (TD3280 ...


45. NCEP Version 2.0 OI Global SST and NCDC Version 3.0 Extended Reconstructed SST Analyses [NCAR_DS277.0]
The NCEP OI is a weekly and monthly 1x1 global analysis dataset that is available for November 1981 through a current date. The analyses are determined by blending marine surface ...


46. NCEP/NCAR Annual Reanalysis CDROM Series [NCAR_REANALYSIS_CD]
The National Center for Atmospheric Research (NCAR) Data Support Section (DSS) announced the release of the latest addition of the Annual NCEP/NCAR Reanalysis CDROM series in May 2000. ...


47. ASPeCt ship-based observations during the SIPEX II voyage of the Aurora Australis, 2012 [SIPEX_II_ASPECT]   PARENT DIF
This dataset contains observations of ice conditions taken from the bridge of the RV Aurora Australis during SIPEX 2012, following the Scientific Committee on Antarctic Research/CliC Antarctic Sea ...


48. Parent metadata record for all metadata created from the SIPEX II voyage of the Aurora Australis, 2012-2013 season - Sea Ice Physics and Ecosystem eXperiment [SIPEX_II]   CHILD DIFs
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 ...


49. Intergovernmental Panel on Climate Change (IPCC) Scientific Assessments [IPCC]
The Intergovernmental Panel on Climate Change (IPCC) was organized in 1988 by the World Meteorological Organization (WMO) and the United Nations Environment Program (UNEP). Four series of reports ...


50. ADEOS-Ⅱ AMSR Level 2 Ice Concentration product [ADEOS2_AMSR_L2_IC]
Sea Ice Concentration calculated from AMSR level 1B data. Quality information and ancillary information (time tag of each scan based on TAI93, and orbit number) are appended.


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