Reliability Analysis of Climate Change of Tropical Cyclone Activity over the Western North Pacific

Reliability Analysis of Climate Change of Tropical Cyclone Activity over the Western North Pacific
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DOI:
10.1175/2011jcli3996.1
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发表时间:
2011-11
期刊:
影响因子:
4.9
通讯作者:
Fumin Ren;Jin Liang;Guoxiong Wu;W. Dong;Xiuqun Yang
Fumin Ren;Jin Liang;Guoxiong Wu;W. Dong;Xiuqun Yang
中科院分区:
地球科学2区
文献类型:
--
作者:
Fumin Ren;Jin Liang;Guoxiong Wu;W. Dong;Xiuqun Yang

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摘要 数据同质性已成为热带气旋和气候变化研究中的一个重要问题。在这项研究中,对来自联合台风预警中心(JTWC)、日本气象厅(JMA)和中国气象局(CMA)的北太平洋西部热带气旋的三个历史数据集进行了比较,重点关注热带气旋强度。过去55年(1951-2005年),三个数据集之间存在显着差异,特别是CMA数据集和JTWC数据集之间。CMA数据集的TC强度在20世纪50年代和1960年代末至1970年代初明显被高估,而JTWC数据集中的TC强度在1988年以后被高估,特别是在20世纪70年代初。 1993-2003。 TC轨迹的巨大差异存在于1951年至1960年代初和1988至1990年代两个时期。进一步分析发现,这种差异显然与TC观测技术有关。在气象卫星时代之前(1951年-20世纪60年代初),以及飞机侦察终止之后...
AbstractData homogeneity has become a significant issue in the study of tropical cyclones (TCs) and climate change. In this study, three historical datasets for the western North Pacific TCs from the Joint Typhoon Warning Center (JTWC), Japan Meteorological Agency (JMA), and China Meteorological Administration (CMA) are compared with a focus on TC intensity. Over the past 55 years (1951–2005), significant discrepancies are found among the three datasets, especially between the CMA and JTWC datasets.The TC intensity in the CMA dataset was evidently overestimated in the 1950s and from the late 1960s to the early 1970s, while it was overestimated after 1988 in the JTWC dataset, especially during 1993–2003. Large discrepancies in TC tracks exist in two periods of 1951–early 1960s and 1988–1990s. Further analysis reveals that the discrepancies are obviously related to the TC observational techniques. Before the era of meteorological satellites (1951–the early 1960s), and after the termination of aircraft recon...