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

为开发新的北极海冰变形时空尺度分析提供了资金。这些分析预计将提高对海冰性质的认识，估计全球气候模式中冰变形的亚网格尺度变化率及其对冰产生的影响，并为比较不同的变形测量提供基础。海冰变形被认为是控制海冰厚度在大空间和时间尺度上分布的重要过程。厚度分布反过来又影响海冰的质量平衡。尺度分析试图在统计上把在不同尺度上测量的数量联系起来。拟议的努力建立在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，根据地区和季节建立海冰变形的比例关系。尺度规律的成功发展将提供有用的诊断，用以测试全球气候模式中正在发展的海冰模块。对海冰厚度分布的进一步了解将有助于在海冰模式中准确地参数化这一特征。

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.