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Title
Japanese: 
English:AsiaPEX: Challenges and Prospects in Asian Precipitation Research 
Author
Japanese: 寺尾 徹, 鼎 信次郎, 藤波初木, Someshwar Das, AP Dimri, Subashisa Dutta, 藤田 耕史, 福島 あずさ, Kyung-Ja Ha, 広瀬 正史, Jinkyu Hong, 上米良 秀行, Rijan Bhakta Kayastha, 木口 雅司, Kikuchi Kazuyoshi, Hyun Mee Kim, 鬼頭 昭雄, 久保田 尚之, Weiqiang Ma, Yaoming Ma, Milind Mujumdar, 野津 雅人, 佐藤 友記, Z Su, 杉本 志織, 高橋 洋, 高谷 祐平, Shuyu Wang, Kun Yang, 横井 覚, Peter van Oevelen, 松本 淳.  
English: Toru Terao, Shinjiro Kanae, Hatsuki Fujinsmi, Someshwar Das, AP Dimri, Subashisa Dutta, Koji Fujita, Azusa Fukushima, Kyung-Ja Ha, Masafumi Hirose, Jinkyu Hong, Hideyuki Kamimera, Rijan Bhakta Kayastha, Masashi Kiguchi, Kikuchi Kazuyoshi, Hyun Mee Kim, Akio Kitou, Hisayuki Kubota, Weiqiang Ma, Yaoming Ma, Milind Mujumdar, Masato I Nodzu, Tomonori Sato, Z Su, Shiori Sugimoto, Hiroshi G Takahashi, Takaya Yuhei, Shuyu Wang, Kun Yang, Satoru Yokoi, Peter van Oevelen, Jun Matsumoto.  
Language English 
Journal/Book name
Japanese: 
English:Bulletin of the American Meteorological Society 
Volume, Number, Page Volume 104    Issue 4    Page E884-E908
Published date Apr. 1, 2023 
Publisher
Japanese: 
English:American Meteorological Society 
Conference name
Japanese: 
English: 
Conference site
Japanese: 
English: 
Official URL https://journals.ametsoc.org/view/journals/bams/104/4/BAMS-D-20-0220.1.xml
 
DOI https://doi.org/10.1175/BAMS-D-20-0220.1
Abstract The Asian Precipitation Experiment (AsiaPEX) was initiated in 2019 to understand terrestrial precipitation over diverse hydroclimatological conditions for improved predictions, disaster reduction, and sustainable development across Asia under the framework of the Global Hydroclimatology Panel (GHP)/Global Energy and Water Exchanges (GEWEX). AsiaPEX is the successor to GEWEX Asian Monsoon Experiment (GAME; 1995–2005) and Monsoon Asian Hydro-Atmosphere Scientific Research and Prediction Initiative (MAHASRI; 2006–16). While retaining the key objectives of the aforementioned projects, the scientific targets of AsiaPEX focus on land–atmosphere coupling and improvements to the predictability of the Asian hydroclimatological system. AsiaPEX was designed for both fine-scale hydroclimatological processes occurring at the land surface and the integrated Asian hydroclimatological system characterized by multiscale interactions. We adopt six approaches including observation, process studies, scale interactions, high-resolution hydrological modeling, field campaigns, and climate projection, which bridge gaps in research activities conducted in different regions. Collaboration with mesoscale and global modeling researchers is one of the core methods in AsiaPEX. We review these strategies based on the literature and our initial outcomes. These include the estimation and validation of high-resolution satellite precipitation, investigations of extreme rainfall mechanisms, field campaigns over the Maritime Continent and Tibetan Plateau, areas of significant impact on the entire AsiaPEX region, process studies on diurnal- to interdecadal-scale interactions, and evaluation of the predictabilities of climate models for long-term variabilities. We will conduct integrated observational and modeling initiative, the Asian Monsoon Year (AMY)-II around 2025–28, whose strategies are the subregional observation platforms and integrated global analysis.

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