Hydrological and Dynamical Processes over the TOGA-COARE andAdjacent Regions

这项研究的总体目标是利用基于观测的数据来更好地了解和预测西太平洋的水文和动力过程及其与邻近地区的相互作用。主要目标将是编制一份地图集，其中载有热带印度洋和太平洋的几个运动学、热力学和水文变量的月平均值，重点是TOGA-COARE区域。该地图集将使用1985-1990年WCRP/TOGA档案II数据集的ECMWF分析，并应在TOGA COARE的高强度观察期（IOP）结束后不久完成。在随后的几年中，将完成第二份地图集，以包括TOGA-COARE结果进行比较。其他具体目标是：诊断在穿越TOGA- COARE大尺度阵列（LSA）时的季节内振荡的水平和垂直结构；研究西南低压热带加热增强与西太平洋副热带风极大值的关系；并研究一种新的方法来改进热和水分传递系数的估计，目的是改进对热带海洋感热交换和蒸发的估计。这项研究很重要，因为它是TOGA COARE研究之一，旨在研究在世界上一个特别气候敏感的地区，即西太平洋，TOGA COARE的实地地点，海洋和大气耦合的主要过程。

The overall goal of the research is to use observationally- based data to better understand and predict hydrological and dynamical processes over the western Pacific Ocean and their interactions with adjacent areas. The main objective will be to prepare an atlas containing monthly means of several kinematic, thermodynamic, and hydrological variables over the tropical Indian and Pacific Oceans with an emphasis on the TOGA-COARE region. The atlas will use ECMWF analyses from the WCRP/TOGA archive II data set for 1985-1990, and should be completed shortly after the end of the intense observing period (IOP) of TOGA COARE. In subsequent years, a second atlas will be completed to include TOGA-COARE results for comparison. Other specific objectives are: to diagnose the horizontal and vertical structure of the intraseasonal oscillation as it traverses the Large-Scale Array (LSA) of TOGA- COARE; to investigate the relationship between enhanced tropical heating in the LSA and subtropical wind maxima over the western Pacific; and to examine a new method for improving estimates of heat and moisture transfer coefficients with the intent of improving estimates of sensible heat exchange and evaporation over tropical oceans. The research is important because it is one of the TOGA COARE studies to investigate the principal processes responsible for the coupling of the ocean and the atmosphere in an especially climate sensitive region of the world, the western Pacific Ocean, the field site of TOGA COARE.