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GEWEX Asian Monsoon Experiment (GAME)

One of the first GEWEX Continental Scale Experiments, the GEWEX Asian Monsoon Experiment (GAME) ended in 2005.  The objectives of GAME were to:  (1) understand the role of the Asian monsoon in the global energy and water cycle; (2) improve the simulation and seasonal prediction of the Asian monsoon; and (3) assess the impact of monsoon variability on the regional hydrological cycle.  It was the first Asian integrated continental-scale observational project and Japan's first international cooperative project for research in the fields of hydrology, water resources and meteorology involving hundreds of researchers from meteorological and hydrological agencies in Asia.

In Phase I of GAME (1996-2001),  four research areas were established:  Siberian Taiga forests and Tundra area, the Tibetan Plateau, the Huai-he River Basin in China, and the Chao Phraya River Basin Thailand.  An Intensive Observing Period (IOP) was conducted in 1998. 

In Phase II (2002-2004), GAME performed more detailed analysis and modelling studies of energy and water cycle processes between the atmosphere and land surfaces in the Asian Monsoon region using the Tropical Rainfall Measuring Mission (TRMM) satellite data and GAME reanalysis data, and other observation data.

Results from GAME

A new land-surface scheme for simulating vegetation-soil energy/water transfer processes was developed using observations from GAME-Tropics. The assimilation using this model could elucidate a mechanism of the peculiar seasonal cycle in the evergreen monsoon forest in southeast Asia (where a seasonal peak of evapotranspiration appears in the middle of the dry season). 

Based on the land surface and satellite observations of the Tibetan Plateau region a new land surface assimilation scheme for the NWP model and GCM was developed, which has improved the prediction and simulation of the diurnal cycle and weather regime in the Japan Meteorological Agency model.

GAME results have been compiled into 38 project reports,  267 research papers published in international peer-reviewed scientific journals, and nearly 20 data CD-ROMS. 

For more information about GAME

   Game web site

GAME Points of Contact

Professor Tetsuzo Yasunari
Hydrospheric-Atmospheric Research Center (HyARC)
Nagoya University

Professor Kenji Nakamura
Hydrospheric-Atmospheric Research Center (HyARC)
Nagoya University