Space and Time Scaling of Sea Ice Deformation: Estimating Sub-Grid Scale Variability

海冰变形的空间和时间尺度：估计子网格尺度变化

• 批准号: 0612023
• 负责人: Harry Stern
• 金额: $ 12.59万
• 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: 2006
• 资助国家: 美国
• 起止时间: 2006-08-01 至 2008-07-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0612023&HistoricalAwards=false
• 关键词: Space; Time; Scaling; Sea; Ice

Stern0612023Funds are provided to develop new spatial and temporal scaling analyses of Arctic sea ice deformation. These analyses are anticipated to result in improved understanding of sea ice properties, estimation of sub-grid scale variability of ice deformation in global climate models and its impact on ice production, and provision of a basis for comparing disparate measurements of deformation. Sea ice deformation is recognized as an important process controlling the ice thickness distribution across a wide range of space and time scales. The thickness distribution, in turn, influences the sea ice mass balance. Scaling analysis attempts to statistically relate quantities measured at different scales. The proposed effort builds on previous work by the PI. It will allow him to establish scaling relationships for sea ice deformation by region and season, using extensive satellite-derived data sets.Successful development of scaling laws will provide useful diagnostics against which to test developing sea ice modules in global climate models. Improved understanding of the distribution of sea ice thickness will contribute to the accurate parameterization of this characteristic in sea ice models.

Stern0612023提供资金用于开发北极海冰变形的新的空间和时间尺度分析。 预计这些分析将有助于更好地了解海冰的特性，估计全球气候模型中冰变形的次网格尺度可变性及其对冰生成的影响，并为比较不同的变形测量提供依据。 海冰变形是控制海冰厚度分布的一个重要过程。 厚度分布反过来又影响海冰质量平衡。 尺度分析试图在统计上将不同尺度下测量的量联系起来。 拟议的工作建立在PI以前的工作基础上。 这将使他能够利用广泛的卫星数据集，按区域和季节建立海冰变形的比例关系，成功制定比例定律将提供有用的诊断，以测试全球气候模型中正在开发的海冰模块。 对海冰厚度分布的进一步了解将有助于在海冰模式中对这一特征进行准确的参数化。