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Dataset

 

ESA Sea Ice Climate Change Initiative (Sea_Ice_cci): Southern hemisphere sea ice thickness from the Envisat satellite on a monthly grid (L3C), v2.0

Update Frequency: Not Planned
Latest Data Update: 2018-05-08
Status: Completed
Online Status: ONLINE
Publication State: Citable
Publication Date: 2018-05-25
Download Stats: last 12 months
Dataset Size: 118 Files | 75MB

Abstract

This dataset provides a Climate Data Record of Sea Ice Thickness for the southern hemisphere polar region, derived from the RA-2 (Radar Altimeter -2) instrument on the Envisat satellite at Level 3C (L3C). This product was generated in the context of the ESA Climate Change Initiative Programme (ESA CCI) by the Sea Ice CCI (Sea_Ice_cci) project.

It provides monthly gridded sea ice thickness data on a Lambeth Azimuthal Equal Area Projection for the period October 2002 to March 2012. Note, the southern hemisphere sea ice thickness dataset is an experimental climate data record, as the algorithm does not properly considers the impact of the complex snow morphology in the freeboard retrieval. Sea ice thickness is provided for all months but needs to be considered biased high in areas with high snow depth and during the southern summer months. Please consult the Product User Guide (PUG) for more information.

Citable as:  Hendricks, S.; Paul, S.; Rinne, E. (2018): ESA Sea Ice Climate Change Initiative (Sea_Ice_cci): Southern hemisphere sea ice thickness from the Envisat satellite on a monthly grid (L3C), v2.0. Centre for Environmental Data Analysis, date of citation. doi:10.5285/b1f1ac03077b4aa784c5a413a2210bf5. https://dx.doi.org/10.5285/b1f1ac03077b4aa784c5a413a2210bf5
Abbreviation: Not defined
Keywords: Sea Ice, ESA, CCI, Antarctic

Details

Previous Info:
No news update for this record
Previously used record identifiers:
No related previous identifiers.
Access rules:
Public data: access to these data is available to both registered and non-registered users.
Use of these data is covered by the following licence: http://licences.ceda.ac.uk/image/data_access_condition/esacci_seaice_terms_and_conditions.pdf. When using these data you must cite them correctly using the citation given on the CEDA Data Catalogue record.
Data lineage:

Data were processed by the ESA CCI Sea Ice project team and were supplied to CEDA in the context of the ESA CCI Open Data Portal Project

Data Quality:
CCI data format checked
File Format:
Data are in NetCDF format

Citations: 3

The following citations have been automatically harvested from external sources associated with this resource where DOI tracking is possible. As such some citations may be missing from this list whilst others may not be accurate. Please contact the helpdesk to raise any issues to help refine these citation trackings.

Liao, S., Luo, H., Wang, J., Shi, Q., Zhang, J., & Yang, Q. (2022). An evaluation of Antarctic sea-ice thickness from the Global Ice-Ocean Modeling and Assimilation System based on in situ and satellite observations. The Cryosphere, 16(5), 1807–1819. https://doi.org/10.5194/tc-16-1807-2022
Paul, S., Hendricks, S., Ricker, R., Kern, S., & Rinne, E. (2018). Empirical parametrization of Envisat freeboard retrieval of Arctic and Antarctic sea ice based on CryoSat-2: progress in the ESA Climate Change Initiative. The Cryosphere, 12(7), 2437–2460. https://doi.org/10.5194/tc-12-2437-2018
Wang, J., Min, C., Ricker, R., Shi, Q., Han, B., Hendricks, S., Wu, R., & Yang, Q. (2022). A comparison between Envisat and ICESat sea ice thickness in the Southern Ocean. The Cryosphere, 16(10), 4473–4490. https://doi.org/10.5194/tc-16-4473-2022

Process overview

This dataset was generated by a combination of instruments deployed on platforms and computations as detailed below.
  • var_id: Lambert_Azimuthal_Grid
  • units: m
  • long_name: elevation of retracked point above instantaneous sea surface height (no snow range corrections)
  • var_id: radar_freeboard
  • names: elevation of retracked point above instantaneous sea surface height (no snow range corrections)
  • units: m
  • long_name: elevation of retracked point above instantaneous sea surface height (with snow range corrections)
  • standard_name: sea_ice_freeboard
  • var_id: freeboard
  • names: elevation of retracked point above instantaneous sea surface height (with snow range corrections), sea_ice_freeboard
  • units: m
  • long_name: freeboard uncertainty
  • var_id: freeboard_uncertainty
  • names: freeboard uncertainty
  • units: percent
  • standard_name: sea_ice_area_fraction
  • long_name: sea ice contration
  • var_id: sea_ice_concentration
  • names: sea_ice_area_fraction, sea ice contration
  • var_id: status_flag
  • long_name: status flag for the sea ice thickness retrieval
  • standard_name: sea_ice_thickness status_flag
  • names: sea_ice_thickness status_flag, status flag for the sea ice thickness retrieval
  • units: m
  • standard_name: sea_ice_thickness
  • var_id: sea_ice_thickness
  • long_name: thickness of the sea ice layer
  • names: sea_ice_thickness, thickness of the sea ice layer
  • var_id: time_bnds
  • units: m
  • long_name: uncertainty of radar freeboard
  • var_id: radar_freeboard_uncertainty
  • names: uncertainty of radar freeboard
  • units: m
  • long_name: uncertainty of the sea ice layer thickness
  • var_id: sea_ice_thickness_uncertainty
  • names: uncertainty of the sea ice layer thickness
  • units: km
  • standard_name: projection_x_coordinate
  • long_name: x coordinate of projection (eastings)
  • var_id: xc
  • names: projection_x_coordinate, x coordinate of projection (eastings)
  • units: km
  • standard_name: projection_y_coordinate
  • var_id: yc
  • long_name: y coordinate of projection (eastings)
  • names: projection_y_coordinate, y coordinate of projection (eastings)

Co-ordinate Variables

  • units: degrees_north
  • standard_name: latitude
  • var_id: lat
  • long_name: latitude of grid cell center
  • names: latitude, latitude of grid cell center
  • units: degrees_east
  • standard_name: longitude
  • var_id: lon
  • long_name: longitude of grid cell center
  • names: longitude, longitude of grid cell center
  • standard_name: time
  • var_id: time
  • long_name: reference time of product
  • names: time, reference time of product
Coverage
Temporal Range
Start time:
2002-06-10T23:00:00
End time:
2012-03-31T22:59:59
Geographic Extent

 
-16.0000°
 
-180.0000°
 
180.0000°
 
-90.0000°