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NCAR Climate Data Guide Content with Tag: Sea Ice Concentration

Tropical Instability Waves (contributed by E. de Boisseson)
CERA-20C: ECMWF's Coupled Ocean-Atmosphere Reanalysis of the 20th Century
Years of Record: 1901/01 to 2010/12
The CERA-20C is a global, coupled reanalysis spanning 1901-2010 with a focus on low-frequency climate variability.  Similar to ERA-20C, the surface observations assimilated include surface pressures from the International Surface Pressure Databank v3.2.6 and ICOADS v 2.5.1, and surface winds...
Main variables and Earth System components:
Formats: netCDF | GRIB Timestep: Sub-daily,Daily,Monthly Domain: Global
See Expert Guidance by Laloyaux, Patrick
Merged Hadley-NOAA/OI Sea Surface Temperature & Sea-Ice Concentration (Hurrell et al, 2008)
Years of Record: 1870/01 to 2016/03
The merged Hadley-OI sea surface temperature (SST) and sea ice concentration (SIC) data sets were specifically developed as surface forcing data sets for AMIP style uncoupled simulations of the Community Atmosphere Model (CAM). The Hadley Centre's SST/SIC version 1.1 (HADISST1), which is derived...
Main variables and Earth System components:
Formats: netCDF Timestep: Monthly Domain: Global, Antarctic, Arctic, NH - Northern Hemisphere, SH - Southern Hemisphere
Sea Ice Concentration data from AMSR-E, AMSR2 & SSMIS, U Bremen and U Hamburg ASI algorithm
Years of Record: 2002/06 to 2011/10
The sea ice data derived from AMSR-E using the ARTIST sea ice (ASI) algorithm offer a factor of 4 finer spatial resolution than most sea ice data sets from passive microwave satellite instruments. ASI is based on the difference of vertically and horizontally polarized brightness temperatures at 89...
Main variables and Earth System components:
Formats: netCDF | HDF | GeoTIFF Timestep: Daily Domain: NH - Northern Hemisphere, SH - Southern Hemisphere, Antarctic, Arctic
Climate Data Guide Image: HADISST ice concentrations
Sea Ice Concentration data from HadISST
Years of Record: 1870/01 to 2018/12
Spanning 1871-present at monthly timesteps, HadISST provides the longest gridded sea ice data available for both the Arctic and Antarctic. It is a 1° x 1° spatially infilled data set that is It is intended as a consistent analyses for input into SST analyses or as boundary conditions for models....
Main variables and Earth System components:
Formats: netCDF | ascii Timestep: Monthly Domain: Antarctic, Arctic, NH - Northern Hemisphere, SH - Southern Hemisphere
Climate Data Guide Image: Sea Ice Concentration data; Goddard Bootstrap
Sea Ice Concentration data from NASA Goddard and NSIDC based on Bootstrap algorithm
Years of Record: 1978/10 to 2014/12
Bootstrap sea ice refers to a well-known algorithm used to estimate sea ice concentration from passive microwave brightness temperatures. It can be applied to data from many satellite instruments, such as SMMR, SSMI, and AMSR-E. This page discusses the algorithm itself and the long-term data set ("...
Main variables and Earth System components:
Formats: netCDF | binary Timestep: Daily,Monthly Domain: Antarctic, Arctic, NH - Northern Hemisphere, SH - Southern Hemisphere
Artic sea ice: NASA Team
Sea Ice Concentration data from NASA Goddard and NSIDC based on NASA Team algorithm
Years of Record: 1978/10 to 2014/12
NASA Team sea ice refers to a well-known algorithm used to estimate sea ice concentration from passive microwave brightness temperatures. This page discusses the algorithm itself and the long-term data set ("NSIDC 0051") produced by scientists at NASA Goddard and distributed by NSIDC. The NASA Team...
Main variables and Earth System components:
Formats: netCDF | binary Timestep: Daily,Monthly Domain: Antarctic, Arctic, NH - Northern Hemisphere, SH - Southern Hemisphere
Artic sea ice: AMSR-E / NT2
Sea Ice Concentration data from NASA Goddard and NSIDC using AMSR-E and NASA TEAM2 (NT2) algorithm
Years of Record: 2002/06 to 2011/10
The AMSR-E/NASA Team 2 (NT2) data set of Arctic and Antarctic sea ice concentration is available at daily timesteps and 12.5 km (optionally 25km) spatial resolution for 2002-2011. NT2, an extension of the original NASA Team algorithm, uses AMSR-E 89GHz channels to help resolve ambiguity between low...
Main variables and Earth System components:
Formats: HDF-EOS Timestep: Daily Domain: Antarctic, Arctic
Arctic sea ice: SSMI / NT2
Sea ice concentration data from NASA Goddard based on SSMI and NASA Team (NT2) algorithm
Years of Record: 1992/01 to 2008/04
The NASA Team 2 (NT2) / SSMI data set of Arctic and Antarctic sea ice concentration is available at daily timesteps and 25km spatial resolution for 1992-2008. NT2, an extension of the original NASA Team algorithm, uses SSMI 85GHz channels to help resolve ambiguity between low ice concentrations and...
Main variables and Earth System components:
Formats: binary Timestep: Daily Domain: Antarctic, Arctic
Arctic sea ice: NOAA OI
Sea Ice Concentration data from NOAA OI
Years of Record: 1981/10 to 2019/03
The NOAA Optimal Interpolation (OI) v2 sea ice data set contains gridded, weekly or monthly resolution sea ice concentration estimates for both the Northern and Southern Hemispheres. It is intended as a consistent analyses for input into SST analyses (and is the basis for calculating SSTs in sea...
Main variables and Earth System components:
Formats: netCDF Timestep: Monthly,Weekly Domain: Antarctic, Arctic, NH - Northern Hemisphere, SH - Southern Hemisphere
Artic sea ice: Eumetsat reprocessed.
Sea Ice Concentration data reprocessed from SSMR & SSMI, by Eumetsat
Years of Record: 1978/10 to 2009/10
The Eumetsat Ocean and Sea Ice Satellite Applications Facility provides a "reprocessed" data set of Arctic and Antarctic sea ice concentration for 1978-2009. Source data are the SMMR and SSM/I passive microwave brightness temperatures. Three algorithms are utilized: the Technical University of...
Main variables and Earth System components:
Formats: netCDF Timestep: Daily Domain: NH - Northern Hemisphere, SH - Southern Hemisphere, Antarctic, Arctic
Arctic sea ice climatologies for September
Sea Ice Concentration data: Overview, Comparison table and graphs
Sea ice concentration is both an indicator and driver of high-latitude climate change with strong societal and ecological importance. It is a key boundary condition for atmospheric models (including those used in atmospheric reanalyses) and a benchmark for coupled climate models. As such, numerous...
Main variables and Earth System components:
Domain: Antarctic, Arctic
Arctic sea ice: Climate Data Record
Sea Ice Concentration: NOAA/NSIDC Climate Data Record
Years of Record: 1978/11 to 2018/12
The NOAA/NSIDC Climate Data Record (CDR) of sea ice concentration is available at 25 x 25 km spatial resolution in daily or monthly timesteps for 1987-2014. It provides a consistent interpretation of sea ice for the satellite record, with the intent of being suitable for studies of climate...
Main variables and Earth System components:
Formats: netCDF Timestep: Daily,Monthly Domain: Antarctic, Arctic, NH - Northern Hemisphere, SH - Southern Hemisphere
See Expert Guidance by Meier, Walter
Climate Data Guide Image: SST data: AVHRR Pathfinder v5.2, NOAA NODC
SST data: AVHRR Pathfinder v5.2, NOAA NODC
Years of Record: 1981/01 to 2011/12
"The AVHRR Pathfinder Version 5.2 (PFV52) data set was computed using an entirely modernized system, based on SeaDAS and incorporating several key changes over the older Pathfinder V5.0 and V5.1 datasets. PFV52 is viewed as a significant step forward in preparation for the future Version 6 (PFV6)...
Main variables and Earth System components:
Formats: netCDF Timestep: Sub-daily Domain: Global
SST data: NOAA High-resolution (0.25x0.25) Blended Analysis of Daily SST and Ice, OISSTv2
Years of Record: 1981/09 to 2019/08
"NOAA’s Optimum Interpolation Sea Surface temperature (OISST, also known as Reynolds’ SST) is a series of global analysis products, including the weekly OISST on a 1° grid to the more recent daily on a ¼° grid. An SST analysis is a spatially gridded product created by interpolating and...
Main variables and Earth System components:
Formats: netCDF | binary Timestep: Daily Domain: Global
See Expert Guidance by Banzon, Viva | See Expert Guidance by Reynolds, Richard
Walsh and Chapman Northern Hemisphere Sea Ice
Years of Record: 1870/01 to 2011/12
The Walsh and Chapman Sea Ice Data Set provides a long record of Arctic sea ice concentrations on a monthly basis for 1870-2011. Historical observations were gridded and combined with satellite-derived sea ice concentrations for the recent decades. Mostly climatologies before the 1950s. The Walsh...
Main variables and Earth System components:
Formats: ascii Timestep: Monthly Domain: NH - Northern Hemisphere, Arctic
See Expert Guidance by Chapman, William
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