Version 2 of the EUMETSAT OSI SAF and ESA CCI sea-ice concentration climate data records

Thomas Lavergne*, Atle Macdonald Sørensen, Stefan Kern, Rasmus Tonboe, Dirk Notz, Signe Aaboe, Louisa Bell, Gorm Dybkjær, Steinar Eastwood, Carolina Gabarro, Georg Heygster, Mari Anne Killie, Matilde Brandt Kreiner, John Lavelle, Roberto Saldo, Stein Sandven, Leif Toudal Pedersen

*Corresponding author for this work

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Abstract

We introduce the OSI-450, the SICCI-25km and the SICCI-50km climate datarecords of gridded global sea-ice concentration. These three records arederived from passive microwave satellite data and offer three distinctadvantages compared to existing records: first, all three records providequantitative information on uncertainty and possibly applied filtering atevery grid point and every time step. Second, they are based on dynamic tiepoints, which capture the time evolution of surface characteristics of theice cover and accommodate potential calibration differences between satellitemissions. Third, they are produced in the context of sustained servicesoffering committed extension, documentation, traceability, and user support.The three records differ in the underlying satellite data (SMMR & SSM/I& SSMIS or AMSR-E & AMSR2), in the imaging frequency channels (37 GHzand either 6 or 19 GHz), in their horizontal resolution (25 or 50 km), andin the time period they cover. We introduce the underlying algorithms andprovide an evaluation. We find that all three records compare well withindependent estimates of sea-ice concentration both in regions with very highsea-ice concentration and in regions with very low sea-ice concentration. Wehence trust that these records will prove helpful for a better understandingof the evolution of the Earth's sea-ice cover.

Original languageEnglish
JournalCryosphere
Volume13
Issue number1
Pages (from-to)49-78
ISSN1994-0416
DOIs
Publication statusPublished - 2019

Bibliographical note

© Author(s) 2019. This work is distributed under the Creative Commons Attribution 4.0 License.

Keywords

  • Environmental sciences
  • GE1-350
  • Geology
  • QE1-996.5

Cite this

Lavergne, Thomas ; Sørensen, Atle Macdonald ; Kern, Stefan ; Tonboe, Rasmus ; Notz, Dirk ; Aaboe, Signe ; Bell, Louisa ; Dybkjær, Gorm ; Eastwood, Steinar ; Gabarro, Carolina ; Heygster, Georg ; Killie, Mari Anne ; Brandt Kreiner, Matilde ; Lavelle, John ; Saldo, Roberto ; Sandven, Stein ; Pedersen, Leif Toudal. / Version 2 of the EUMETSAT OSI SAF and ESA CCI sea-ice concentration climate data records. In: Cryosphere. 2019 ; Vol. 13, No. 1. pp. 49-78.
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title = "Version 2 of the EUMETSAT OSI SAF and ESA CCI sea-ice concentration climate data records",
abstract = "We introduce the OSI-450, the SICCI-25km and the SICCI-50km climate datarecords of gridded global sea-ice concentration. These three records arederived from passive microwave satellite data and offer three distinctadvantages compared to existing records: first, all three records providequantitative information on uncertainty and possibly applied filtering atevery grid point and every time step. Second, they are based on dynamic tiepoints, which capture the time evolution of surface characteristics of theice cover and accommodate potential calibration differences between satellitemissions. Third, they are produced in the context of sustained servicesoffering committed extension, documentation, traceability, and user support.The three records differ in the underlying satellite data (SMMR & SSM/I& SSMIS or AMSR-E & AMSR2), in the imaging frequency channels (37 GHzand either 6 or 19 GHz), in their horizontal resolution (25 or 50 km), andin the time period they cover. We introduce the underlying algorithms andprovide an evaluation. We find that all three records compare well withindependent estimates of sea-ice concentration both in regions with very highsea-ice concentration and in regions with very low sea-ice concentration. Wehence trust that these records will prove helpful for a better understandingof the evolution of the Earth's sea-ice cover.",
keywords = "Environmental sciences, GE1-350, Geology, QE1-996.5",
author = "Thomas Lavergne and S{\o}rensen, {Atle Macdonald} and Stefan Kern and Rasmus Tonboe and Dirk Notz and Signe Aaboe and Louisa Bell and Gorm Dybkj{\ae}r and Steinar Eastwood and Carolina Gabarro and Georg Heygster and Killie, {Mari Anne} and {Brandt Kreiner}, Matilde and John Lavelle and Roberto Saldo and Stein Sandven and Pedersen, {Leif Toudal}",
note = "{\circledC} Author(s) 2019. This work is distributed under the Creative Commons Attribution 4.0 License.",
year = "2019",
doi = "10.5194/tc-13-49-2019",
language = "English",
volume = "13",
pages = "49--78",
journal = "Cryosphere",
issn = "1994-0416",
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Lavergne, T, Sørensen, AM, Kern, S, Tonboe, R, Notz, D, Aaboe, S, Bell, L, Dybkjær, G, Eastwood, S, Gabarro, C, Heygster, G, Killie, MA, Brandt Kreiner, M, Lavelle, J, Saldo, R, Sandven, S & Pedersen, LT 2019, 'Version 2 of the EUMETSAT OSI SAF and ESA CCI sea-ice concentration climate data records', Cryosphere, vol. 13, no. 1, pp. 49-78. https://doi.org/10.5194/tc-13-49-2019

Version 2 of the EUMETSAT OSI SAF and ESA CCI sea-ice concentration climate data records. / Lavergne, Thomas; Sørensen, Atle Macdonald; Kern, Stefan; Tonboe, Rasmus; Notz, Dirk; Aaboe, Signe; Bell, Louisa; Dybkjær, Gorm; Eastwood, Steinar; Gabarro, Carolina; Heygster, Georg; Killie, Mari Anne; Brandt Kreiner, Matilde; Lavelle, John; Saldo, Roberto; Sandven, Stein; Pedersen, Leif Toudal.

In: Cryosphere, Vol. 13, No. 1, 2019, p. 49-78.

Research output: Contribution to journalJournal articleResearchpeer-review

TY - JOUR

T1 - Version 2 of the EUMETSAT OSI SAF and ESA CCI sea-ice concentration climate data records

AU - Lavergne, Thomas

AU - Sørensen, Atle Macdonald

AU - Kern, Stefan

AU - Tonboe, Rasmus

AU - Notz, Dirk

AU - Aaboe, Signe

AU - Bell, Louisa

AU - Dybkjær, Gorm

AU - Eastwood, Steinar

AU - Gabarro, Carolina

AU - Heygster, Georg

AU - Killie, Mari Anne

AU - Brandt Kreiner, Matilde

AU - Lavelle, John

AU - Saldo, Roberto

AU - Sandven, Stein

AU - Pedersen, Leif Toudal

N1 - © Author(s) 2019. This work is distributed under the Creative Commons Attribution 4.0 License.

PY - 2019

Y1 - 2019

N2 - We introduce the OSI-450, the SICCI-25km and the SICCI-50km climate datarecords of gridded global sea-ice concentration. These three records arederived from passive microwave satellite data and offer three distinctadvantages compared to existing records: first, all three records providequantitative information on uncertainty and possibly applied filtering atevery grid point and every time step. Second, they are based on dynamic tiepoints, which capture the time evolution of surface characteristics of theice cover and accommodate potential calibration differences between satellitemissions. Third, they are produced in the context of sustained servicesoffering committed extension, documentation, traceability, and user support.The three records differ in the underlying satellite data (SMMR & SSM/I& SSMIS or AMSR-E & AMSR2), in the imaging frequency channels (37 GHzand either 6 or 19 GHz), in their horizontal resolution (25 or 50 km), andin the time period they cover. We introduce the underlying algorithms andprovide an evaluation. We find that all three records compare well withindependent estimates of sea-ice concentration both in regions with very highsea-ice concentration and in regions with very low sea-ice concentration. Wehence trust that these records will prove helpful for a better understandingof the evolution of the Earth's sea-ice cover.

AB - We introduce the OSI-450, the SICCI-25km and the SICCI-50km climate datarecords of gridded global sea-ice concentration. These three records arederived from passive microwave satellite data and offer three distinctadvantages compared to existing records: first, all three records providequantitative information on uncertainty and possibly applied filtering atevery grid point and every time step. Second, they are based on dynamic tiepoints, which capture the time evolution of surface characteristics of theice cover and accommodate potential calibration differences between satellitemissions. Third, they are produced in the context of sustained servicesoffering committed extension, documentation, traceability, and user support.The three records differ in the underlying satellite data (SMMR & SSM/I& SSMIS or AMSR-E & AMSR2), in the imaging frequency channels (37 GHzand either 6 or 19 GHz), in their horizontal resolution (25 or 50 km), andin the time period they cover. We introduce the underlying algorithms andprovide an evaluation. We find that all three records compare well withindependent estimates of sea-ice concentration both in regions with very highsea-ice concentration and in regions with very low sea-ice concentration. Wehence trust that these records will prove helpful for a better understandingof the evolution of the Earth's sea-ice cover.

KW - Environmental sciences

KW - GE1-350

KW - Geology

KW - QE1-996.5

U2 - 10.5194/tc-13-49-2019

DO - 10.5194/tc-13-49-2019

M3 - Journal article

VL - 13

SP - 49

EP - 78

JO - Cryosphere

JF - Cryosphere

SN - 1994-0416

IS - 1

ER -