Variations in Frequency and Intensity of Strong Tropical Cyclones Affecting China During

氣候變化研究進(jìn)展 ?? 2008, Vol. 4 ?? Issue (000): 22-26.

? Scientific Basis ? 上一篇下一篇

Variations in Frequency and Intensity of Strong Tropical Cyclones Affecting China During

Wang Xiaoling,Ren Fumin

收稿日期:2008-08-01 修回日期:1900-01-01 出版日期:2008-06-30 發(fā)布日期:2008-06-30

Variations in Frequency and Intensity of Strong Tropical Cyclones Affecting China During

Xiaoling Wang,Fumin Ren

Received:2008-08-01 Revised:1900-01-01 Online:2008-06-30 Published:2008-06-30

摘要/Abstract

摘要： Based on tropical cyclone track dataset in the western North Pacific from China Meteorological Administration (CMA), variations in frequency and intensity of tropical cyclones (TCs) in the western North Pacific, affecting-China TCs (ACTCs) and landfall TCs (LTCs) achieving a typhoon intensity during 1957-2004 were studied. Frequencies of strong tropical cyclones showed significant decreasing trends from 1957 to 2004 and the linear trend was much greater when the intensity was stronger. There was no linear trend in the portion of strong tropical cyclones achieving a typhoon (TY) intensity, while those reaching a strong typhoon (STY) and a super typhoon (SuperTY) intensity showed decreasing trends during 1957-2004. The maximum intensities of TCs, ACTCs and LTCs all decreased during the period of 1957-2004. The mean intensities of TCs and ACTCs displayed decreasing trends and the mean intensity of LTCs achieving a TY intensity also showed a decreasing trend.

關(guān)鍵詞: strong tropical cyclone, affecting China tropical cyclone, landfall tropical cyclone, China

Abstract: Based on tropical cyclone track dataset in the western North Pacific from China Meteorological Administration (CMA), variations in frequency and intensity of tropical cyclones (TCs) in the western North Pacific, affecting-China TCs (ACTCs) and landfall TCs (LTCs) achieving a typhoon intensity during 1957-2004 were studied. Frequencies of strong tropical cyclones showed significant decreasing trends from 1957 to 2004 and the linear trend was much greater when the intensity was stronger. There was no linear trend in the portion of strong tropical cyclones achieving a typhoon (TY) intensity, while those reaching a strong typhoon (STY) and a super typhoon (SuperTY) intensity showed decreasing trends during 1957-2004. The maximum intensities of TCs, ACTCs and LTCs all decreased during the period of 1957-2004. The mean intensities of TCs and ACTCs displayed decreasing trends and the mean intensity of LTCs achieving a TY intensity also showed a decreasing trend.

Key words: strong tropical cyclone, affecting China tropical cyclone, landfall tropical cyclone, China

Wang Xiaoling;Ren Fumin. Variations in Frequency and Intensity of Strong Tropical Cyclones Affecting China During[J]. 氣候變化研究進(jìn)展, 2008, 4(000): 22-26.

Xiaoling Wang;Fumin Ren. Variations in Frequency and Intensity of Strong Tropical Cyclones Affecting China During[J]. Climate Change Research, 2008, 4(000): 22-26.

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Variations in Frequency and Intensity of Strong Tropical Cyclones Affecting China During

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