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A new regional climate model for POLAR-CORDEX : evaluation of a 30-year hindcast with COSMO-CLM2 over Antarctica

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Abstract
Continent-wide climate information over the Antarctic Ice Sheet (AIS) is important to obtain accurate information of present climate and reduce uncertainties of the ice sheet mass balance response and resulting global sea level rise to future climate change. In this study, the COSMO-CLM2 Regional Climate Model is applied over the AIS and adapted for the specific meteorological and climatological conditions of the region. A 30-year hindcast was performed and evaluated against observational records consisting of long-term ground-based meteorological observations, automatic weather stations, radiosoundings, satellite records, stake measurements and ice cores. Reasonable agreement regarding the surface and upper-air climate is achieved by the COSMO-CLM2 model, comparable to the performance of other state-of-the-art climate models over the AIS. Meteorological variability of the surface climate is adequately simulated, and biases in the radiation and surface mass balance are small. The presented model therefore contributes as a new member to the COordinated Regional Downscaling EXperiment project over the AIS (POLAR-CORDEX) and the CORDEX-CORE initiative.
Keywords
Antarctica, regional climate model, evaluation, POLAR-CORDEX, SURFACE MASS-BALANCE, DRONNING MAUD LAND, ATMOSPHERIC BOUNDARY-LAYER, ICE-SHEET, KATABATIC WINDS, DOME-C, SNOW ACCUMULATION, EAST ANTARCTICA, PRECIPITATION, TEMPERATURE

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MLA
Souverijns, N., et al. “A New Regional Climate Model for POLAR-CORDEX : Evaluation of a 30-Year Hindcast with COSMO-CLM2 over Antarctica.” JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, vol. 124, no. 3, 2019, pp. 1405–27.
APA
Souverijns, N., Gossart, A., Demuzere, M., Lenaerts, J. T. M., Medley, B., Gorodetskaya, I. V., … van Lipzig, N. P. M. (2019). A new regional climate model for POLAR-CORDEX : evaluation of a 30-year hindcast with COSMO-CLM2 over Antarctica. JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, 124(3), 1405–1427.
Chicago author-date
Souverijns, N., A. Gossart, Matthias Demuzere, J. T. M. Lenaerts, B. Medley, I. V. Gorodetskaya, S. Vanden Broucke, and N. P. M. van Lipzig. 2019. “A New Regional Climate Model for POLAR-CORDEX : Evaluation of a 30-Year Hindcast with COSMO-CLM2 over Antarctica.” JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 124 (3): 1405–27.
Chicago author-date (all authors)
Souverijns, N., A. Gossart, Matthias Demuzere, J. T. M. Lenaerts, B. Medley, I. V. Gorodetskaya, S. Vanden Broucke, and N. P. M. van Lipzig. 2019. “A New Regional Climate Model for POLAR-CORDEX : Evaluation of a 30-Year Hindcast with COSMO-CLM2 over Antarctica.” JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 124 (3): 1405–1427.
Vancouver
1.
Souverijns N, Gossart A, Demuzere M, Lenaerts JTM, Medley B, Gorodetskaya IV, et al. A new regional climate model for POLAR-CORDEX : evaluation of a 30-year hindcast with COSMO-CLM2 over Antarctica. JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES. 2019;124(3):1405–27.
IEEE
[1]
N. Souverijns et al., “A new regional climate model for POLAR-CORDEX : evaluation of a 30-year hindcast with COSMO-CLM2 over Antarctica,” JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, vol. 124, no. 3, pp. 1405–1427, 2019.
@article{8641914,
  abstract     = {Continent-wide climate information over the Antarctic Ice Sheet (AIS) is important to obtain accurate information of present climate and reduce uncertainties of the ice sheet mass balance response and resulting global sea level rise to future climate change. In this study, the COSMO-CLM2 Regional Climate Model is applied over the AIS and adapted for the specific meteorological and climatological conditions of the region. A 30-year hindcast was performed and evaluated against observational records consisting of long-term ground-based meteorological observations, automatic weather stations, radiosoundings, satellite records, stake measurements and ice cores. Reasonable agreement regarding the surface and upper-air climate is achieved by the COSMO-CLM2 model, comparable to the performance of other state-of-the-art climate models over the AIS. Meteorological variability of the surface climate is adequately simulated, and biases in the radiation and surface mass balance are small. The presented model therefore contributes as a new member to the COordinated Regional Downscaling EXperiment project over the AIS (POLAR-CORDEX) and the CORDEX-CORE initiative.},
  author       = {Souverijns, N. and Gossart, A. and Demuzere, Matthias and Lenaerts, J. T. M. and Medley, B. and Gorodetskaya, I. V. and Vanden Broucke, S. and van Lipzig, N. P. M.},
  issn         = {2169-897X},
  journal      = {JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES},
  keywords     = {Antarctica,regional climate model,evaluation,POLAR-CORDEX,SURFACE MASS-BALANCE,DRONNING MAUD LAND,ATMOSPHERIC BOUNDARY-LAYER,ICE-SHEET,KATABATIC WINDS,DOME-C,SNOW ACCUMULATION,EAST ANTARCTICA,PRECIPITATION,TEMPERATURE},
  language     = {eng},
  number       = {3},
  pages        = {1405--1427},
  title        = {A new regional climate model for POLAR-CORDEX : evaluation of a 30-year hindcast with COSMO-CLM2 over Antarctica},
  url          = {http://dx.doi.org/10.1029/2018jd028862},
  volume       = {124},
  year         = {2019},
}

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