摘要
目前，气候和大气边界层物理研究中一个十分重要的研究方向就是面积平均通量的参数化问题。本文对这一研究方向中存在的问题、可能的解决方法和目前的研究进展情况进行了阐述，简要介绍了非均匀陆面影响的高度及其尺度划分，阐述了混合高度、参考层高度（观测高度和模式第一层高度）、近地层高度、内边界层高度、平衡层高度、粗糙度副层和边界层高度等之间的关系及其在非均匀尺度划分中的作用，并且阐述了整体输送公式在不同尺度的非均匀陆面中存在的问题及相应的可能解决办法。同时还对中尺度的非均匀陆面驱动的一类非经典中尺度环流的参数化，即中尺度通量的参数化问题进行了评述。最后针对内蒙古草原实验和青藏高原实验等具体问题，提出了边界层观测和非均匀陆面参数化方法的几点问题。
It is important research field in climate and planetary boundary layer study currently to find out the parameterization scheme for estimating area average fluxes This paper will describe some problems, the possible way to solve these problems and current progress in the research field First, the classification of influencing height due to different scale of nonhomogeneous land surface is introduced Then, the relation among many heights such as mixing layer height, reference level height (i e observation height or first layer height in a model), subsurface layer height, internal boundary layer height, equilibrium layer height, roughness sublayer height and boundary layer height and the function of these height in the scale classification will be explained The problems and possible ways in obtaining the parameterization scheme of bulk transport fluxes for a nonhomogeneous land surface will be presented Simultaneously, the attention will be paid on the parameterization scheme of mesoscale fluxes generated by nonhomogeneous land surface Finally, some suggestions relvant to the problem and the field observation projects in the Inner Mongolia and the Tibetan Plateau will be introduced
出处
《气候与环境研究》
CSCD
1997年第3期13-24,共12页
Climatic and Environmental Research
基金
国家自然科学基金
