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Changes on Land Surface, Climate/Water Cycle in Monsoon Asia-An Integrated International Cooperative Research Project-

亚洲季风地表变化、气候/水循环-综合国际合作研究项目-

基本信息

批准号：
14204044
负责人：
YASUNARI Tetsuzo
金额：
$ 35.53万
依托单位：
Nagoya University
依托单位国家：
日本
项目类别：
Grant-in-Aid for Scientific Research (A)
财政年份：
2002
资助国家：
日本
起止时间：
2002 至 2004
项目状态：
已结题

来源：
https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-14204044/
关键词：
Monsoon Asia Interaction between atmosphere and land surface GAME Modeling on Climate Change on land surface Eurasian Continent Tibetan Plateau Baiu front

项目摘要

Based on the observational data obtained through GAME project and other data sets, the analyses were made on energy and water cycle processes of the Asian monsoon system, including continental and basin-scale seasonal and interannual variations, vegetation-climate interaction, snow cover-climate interaction and inter-relations between surface and atmospheric heating and convective activities over various part of the Eurasian continent.Based on TRMM-PR precipitation data analysis, time-space characteristics of diurnal cycles of rainfall and their relation to surface conditions over the western Pacific through southeast Asia. Using regional atmospheric models, mechanisms of diurnal cycles of convection and rainfall over Indochina peninsula and Sumatra island, particularly relevant to land-sea contrast, surface energy and water conditions and topographies. In east Asian monsoon region, the role of land surface conditions on development of meso-scale cloud systems embedded in the Meiyu/Baiu frontal system was understood through the intensive data analysis and cloud-resolving models.By using atmosphere-ocean coupled GCMs, impacts of relative role of Tibetan plateau orography and continental-scale vegetation on the Asian monsoon system were assessed, and the importance of the surface vegetation on the Asian monsoon has proved to be essential as well as the orography. In addition, relative role of the plateau orography and sea surface temperature(SST) distribution was also discussed using atmospheric GCMs.These scientific results have already been published in more than 200 peer-reviewed papers in many international journals including Science in U.S.A. In FY 2004,we organized the 6^<th> international GAME scientific conference, where 180 scientists participated and more than 140 papers were presented including the scientific results mentioned here.

基于GAME项目的观测数据和其他数据集，对亚洲季风系统的能量和水循环过程进行了分析，包括大陆和盆地尺度的季节和年际变化、植被-气候相互作用、积雪-气候相互作用以及欧亚大陆各地地表与大气加热和对流活动的相互关系。降雨的日循环及其与西太平洋至东南亚地表条件的关系。利用区域大气模型、印度支那半岛和苏门答腊岛对流和降雨的日循环机制，特别是与陆地-海洋对比、地表能量和水条件以及地形相关的机制。在东亚季风区，通过密集的数据分析和云解析模型，了解地表条件对梅雨/白乌锋面系统中中尺度云系统发展的作用。利用大气-海洋耦合GCM，评估了青藏高原地形和大陆尺度植被对亚洲季风系统的相对作用的影响，并分析了地表植被的重要性事实证明，对亚洲季风的研究以及地形的研究都是至关重要的。此外，还利用大气GCM讨论了高原地形和海面温度（SST）分布的相对作用。这些科学成果已在包括美国《科学》在内的许多国际期刊上发表了200多篇同行评审论文。2004财年，我们组织了第六届国际GAME科学会议，有180名科学家参加，并发表了140多篇论文，包括这里提到的科学成果。