Major Scientific Achievements of the First China-Japan Cooperative GAME/HUBEX Experiment: A Historical Review
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Volume 34
AUGUST 2020
Major Scientific Achievements of the First China–Japan Cooperative GAME/HUBEX Experiment: A Historical Review Yihui DING1*, Wen HU2,3, Yong HUANG2,3, and Fengjiao CHEN2,3 1 National Climate Center, China Meteorological Administration, Beijing 100081 2 Key Laboratory of Atmospheric Sciences and Satellite Remote Sensing of Anhui Province, Anhui Meteorological Bureau, Hefei 230031 3 Shouxian National Climatology Observatory, Huaihe River Basin Typical Agro-Ecosystems Meteorology Field Experiment Station of China Meteorological Administration, Shouxian 232200 (Received April 26, 2020; in final form July 20, 2020)
ABSTRACT In the summers of 1998 and 1999, Chinese and Japanese scientists cooperatively conducted the first large-scale energy and water cycle experiment (WCRP/GEWEX/GAME/HUBEX: World Climate Research Program/Global Energy and Water Cycle Experiment/Asian Monsoon Experiment/Huaihe River Basin Energy and Water Cycle Experiment) in the Huaihe River basin, Anhui Province of China. The main objective of this field experiment (HUBEX) was to investigate the multiple-scale structure characteristics, life cycles, and genesis and development mechanisms of the Meiyu system in East Asia as well as the cause of related flooding disasters. It was a joint China–Japan cooperative meteorological and hydrological observation experiment. On the basis of intensive observations, scientists from the two countries conducted follow-up investigations through collating and compiling data and performing scientific analysis during the following five years. It can be concluded that the HUBEX project has yielded comprehensive and remarkable achievements. This paper introduces the major scientific results derived from this field experiment and the ensuing investigations, and reassesses their merits and shortages for the purpose of providing useful experience and proposing new research targets as well as prospects for the initiation of a new joint scientific Meiyu experiment in the middle and lower Yangtze River basin. Key words: Meiyu, Huaihe River basin, energy and water cycle, meteorological and hydrological observations, Huaihe River Basin Energy and Water Cycle Experiment (HUBEX)/Global Energy and Water Cycle Experiment (GEWEX)/Asian Monsoon Experiment (GAME) Citation: Ding, Y. H., W. Hu, Y. Huang, et al., 2020: Major scientific achievements of the first China–Japan cooperative GAME/HUBEX experiment: A historical review. J. Meteor. Res., 34(4), 659–674, doi: 10.1007/s13351-020-0962-1.
1.
Introduction
The Huaihe River basin in China is located in the transition zone between the humid and arid climate regimes in East Asia. The weather and climate in this region are complex and diverse. At the same time, the interlaced river network, the fertile land, and the rich light, heat, and water resources make it an important agricultural area in China. However, this region is also susceptible to frequent flooding, especially in the Meiyu season from June to July. The Meiyu front system not only affects the Yangtze Rive
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