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Model Mean State Sea Ice Thickness Reflects Dynamic Effect Biases: A Process Based Evaluation

التفاصيل البيبلوغرافية
العنوان: Model Mean State Sea Ice Thickness Reflects Dynamic Effect Biases: A Process Based Evaluation
المؤلفون: James Anheuser, Yinghui Liu, Jeff Key
المصدر: Geophysical Research Letters, Vol 51, Iss 5, Pp n/a-n/a (2024)
بيانات النشر: Wiley, 2024.
سنة النشر: 2024
المجموعة: LCC:Geophysics. Cosmic physics
مصطلحات موضوعية: Geophysics. Cosmic physics, QC801-809
الوصف: Abstract Global climate models account for sea ice thickness by summing thermodynamic processes that affect thickness through phase change and dynamic processes that affect thicknesses through relative motion. Comparison of these individual processes with observations is essential for model interpretation and development. We utilized observational estimates of basal thermodynamic growth, overall thickness changes and their residual difference (including dynamics) to evaluate these processes in the National Center for Atmospheric Research (NCAR) Community Earth System Model 2 (CESM2) submission to the World Climate Research Program (WCRP) Ocean Model Comparison Project Phase 2 (OMIP2) and Pan‐Arctic Ice–Ocean Modeling and Assimilation System (PIOMAS). Both models exhibit a similar pattern of higher basal thermodynamic growth and lower residual effects and wintertime thickness in the central Arctic than observational estimates for 2010–2018, and vice versa in the peripheral seas. Correcting residual effect biases would ameliorate the biases in both mean thickness and basal thermodynamic growth.
نوع الوثيقة: article
وصف الملف: electronic resource
اللغة: English
تدمد: 1944-8007
0094-8276
Relation: https://doaj.org/toc/0094-8276; https://doaj.org/toc/1944-8007
DOI: 10.1029/2023GL106963
URL الوصول: https://doaj.org/article/cf40d26cae7141d59adbe13fdf275379
رقم الأكسشن: edsdoj.f40d26cae7141d59adbe13fdf275379
قاعدة البيانات: Directory of Open Access Journals
الوصف
تدمد:19448007
00948276
DOI:10.1029/2023GL106963