Land-Atmosphere-Ocean-Ice Interface Processes in the National Center for Atmospheric Research (NCAR) Community Climate System Model (CCSM)

国家大气研究中心 (NCAR) 社区气候系统模型 (CCSM) 中的陆地-大气-海洋-冰界面过程

• 批准号: 0634762
• 负责人: Xubin Zeng
• 金额: $ 34.94万
• 依托单位: University of Arizona
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2006
• 资助国家: 美国
• 起止时间: 2006-12-01 至 2009-11-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0634762&HistoricalAwards=false
• 关键词: Land; Atmosphere; Ocean; Ice; Interface

This work is directed toward improving the parameterizations and performance of the NCAR Community Climate System Model (CCSM). There are four main tasks: 1) parameterization of ocean skin temperature diurnal cycle; 2) Convergence of canopy roughness length and displacement height to bare soil values as vegetation cover approaches zero (an existing model inconsistency); 3) Realistic treatment of snow over short and tall vegetation; 4) Improvement of the atmospheric bulk turbulent transfer algorithm over sea ice. The CCSM is the community climate modeling resource for U.S. universities, and one of two U.S. models used in the Intergovernmental Panel on Climate Change (IPCC) assessments. Constant improvement of this climate model is necessary to advance our understanding of the climate system. Broader impacts also include support of a graduate student.

本工作旨在改进NCAR社区气候系统模式（CCSM）的参数化和性能。主要有四个方面的工作：1)海洋温度日循环的参数化；2)当植被覆盖接近零时，冠层粗糙度长度和位移高度收敛于裸土值（现有模型不一致）；3)矮高植被积雪的现实处理；4)海冰大气体湍流传输算法的改进。CCSM是美国大学的社区气候模型资源，也是政府间气候变化专门委员会（IPCC）评估中使用的两个美国模型之一。不断改进这种气候模式对于提高我们对气候系统的认识是必要的。更广泛的影响还包括对研究生的支持。