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Arctic Ice Dynamics Joint Experiment (AIDJEX) Second Pilot Study, March - May 1972: A Documentary Film, Version 1
The project described in this documentary was a pilot study conducted in 1972 in preparation for the AIDJEX main experiment of 1975 to 1976. The study included a main camp on... -
International Ice Patrol (IIP) Iceberg Sightings Database, Version 1
The International Ice Patrol (IIP) has been collecting information on iceberg activity in the North Atlantic since 1913. This database contains the data from these sightings... -
Sea Ice Index, Version 4
Notice: Due to funding limitations, this data set was recently changed to a “Basic” Level of Service. Learn more about what this means for users and how you can share your story... -
Unified Sea Ice Thickness Climate Data Record, 1947 Onward, Version 1
The Unified Sea Ice Thickness Climate Data Record, 1947 Onward is the result of a concerted effort to collect as many observations as possible of Arctic and Antarctic sea ice... -
Canadian Ice Service Arctic Regional Sea Ice Charts in SIGRID-3 Format, Version 1
The Canadian Ice Service (CIS) produces digital Arctic regional sea ice charts for marine navigation, forecasting, and climate research. The ice charts are created through the... -
Northern Hemisphere EASE-Grid 2.0 Weekly Snow Cover and Sea Ice Extent, Version 4
The main parameters for this data set are snow cover and sea ice extent; both parameters are derived from SMMR and DMSP-F8, -F11, -F13, and -F17 SSM/I and SSMIS brightness... -
Polar Pathfinder Daily 25 km EASE-Grid Sea Ice Motion Vectors, Version 4
This data set contains daily and weekly sea ice motion vectors, as well as browse images representing the weekly data. Input data sources, derived from AVHRR, AMSRE, SMMR, SSMI,... -
NASA SCP Arctic and Antarctic Ice Extent from QuikSCAT, 1999-2009, Version 2
This data set provides sea ice extent for the Arctic (60-90 degrees North) and Antarctic (52-90 degrees South) in Scatterometer Image Reconstruction (SIR) binary image format,... -
Nimbus-7 SMMR Polar Gridded Radiances and Sea Ice Concentrations, Version 1
This data set contains gridded brightness temperatures and sea ice concentrations for both polar regions. Brightness temperature and sea ice concentration grids have 25 x 25 km... -
International Geophysical Year, 1957-1958: Drifting Station Alpha Documentary Film, Version 1
This film documents the activities that occurred on Drifting Station Alpha in the Arctic Ocean during the International Geophysical Year, 1957 to 1958. The film is narrated by... -
Arctic Sea Ice Charts from Danish Meteorological Institute, 1893 - 1956, Version 1
These charts, created by the Danish Meteorological Institute (DMI), provide observed and inferred sea ice extent for each summer month from 1893 to 1956. From 1893 to 1956, the... -
Submarine Upward Looking Sonar Ice Draft Profile Data and Statistics, Version 1
This data set consists of upward looking sonar sea ice draft data collected by submarines in the Arctic Ocean. It includes data from both U.S. Navy and Royal Navy submarines.... -
MODIS/Aqua Near Real Time (NRT) Coarse Sea Ice Extent 5-Min L2 Swath 5km
MODIS/Aqua Near Real Time (NRT) Coarse Sea Ice Extent 5-Min L2 Swath 5km (MYD29L2C) data set contains fields for sea ice by reflectance, sea ice by reflectance pixel Quality... -
Arctic Marine Transportation Program 1979-1986, Version 1
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... -
Comprehensive Ocean - Atmosphere Data Set (COADS) LMRF Arctic Subset, 1950 - 1995, Version 1
The Comprehensive Ocean - Atmosphere Data Set (COADS) Long Marine Reports Fixed-Length (LMRF) Arctic subset contains marine surface weather reports for regions north of 65... -
Snow Melt Onset Over Arctic Sea Ice from SMMR and SSM/I-SSMIS Brightness Temperatures, Version 5
This data set includes yearly snow melt onset dates over Arctic sea ice derived from Scanning Multichannel Microwave Radiometer (SMMR), Special Sensor Microwave/Imager (SSM/I),... -
MODIS/Aqua Sea Ice Extent 5-Min L2 Swath 1km NRT
MODIS/Aqua Sea Ice Extent 5-Min L2 Swath 1km Near Real Time (NRT), short name MYD29, contains the following fields: sea ice by reflectance, sea ice by reflectance pixel quality... -
Coordinated Eastern Arctic Experiment (CEAREX) Data, Version 1
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... -
Arctic Sea Ice Concentration and Extent from Danish Meteorological Institute Sea Ice Charts, 1901-1956, Version 1
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... -
Sea Ice Trends and Climatologies from SMMR and SSM/I-SSMIS, Version 3
NSIDC provides this data set to aid investigations of variability and trends in sea ice cover. Ice cover in these data are indicated by sea ice concentration: the percentage of...