SGER: A New Shortwave Radiation Parameterization for the Community Climate System Model (CCSM) Sea Ice Model

SGER：社区气候系统模型 (CCSM) 海冰模型的新短波辐射参数化

• 批准号: 0454311
• 负责人: Bonnie Light
• 金额: $ 3.19万
• 依托单位: University of Washington
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2004
• 资助国家: 美国
• 起止时间: 2004-12-15 至 2005-11-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0454311&HistoricalAwards=false
• 关键词: SGER; New; Shortwave; Radiation; Parameterization

This award supports the development of a new shortwave radiation parameterization for the Community Climate System Model (CCSM) sea ice component. The parameterization will be designed to increase the accuracy, consistency, and generality of the treatment of shortwave radiation and its interactions with snow and sea ice. The new parameterization will use a two-stream radiative transfer model that explicitly accounts for multiple scattering and employs physically realistic inherent optical properties for snow and sea ice. This approach is simple, efficient, and consistent with the treatment of shortwave radiation in the atmospheric component of CCSM. Broader Impacts: It is anticipated that this parameterization will result in improvements in CCSM sea ice model simulations and will increase climate scientists' ability to quantitatively assess the ice-albedo feedback mechanism in climate. Such improvements have the potential to substantially enhance the applicability of the CCSM model and the science related to climate and climate change. This research also has the potential to produce improved scientific information relevant to better-informed environmental policy decisions related to climate change.

该奖项支持为社区气候系统模型（CCSM）海冰组件开发新的短波辐射参数化。该参数化将设计为提高短波辐射治疗的准确性，一致性和一般性及其与雪与海冰的相互作用。新的参数化将使用两条辐射转移模型，该模型明确说明了多个散射，并采用了雪和海冰的物理固有的固有光学特性。这种方法是简单，有效的，并且与CCSM大气成分中短波辐射的处理一致。 更广泛的影响：预计这种参数化将改善CCSM海冰模型模拟，并提高气候科学家在气候下定量评估冰α反馈机制的能力。这种改进有可能大大提高CCSM模型的适用性以及与气候和气候变化有关的科学。这项研究还有可能产生与与气候变化有关的更有信息的环境政策决策有关的改进科学信息。