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| DIFFERENCES AMONG DIFFERENT DATABASES IN THE NUMBER OF TROPICAL CYCLONES FORMING OVER THE WESTERN NORTH PACIFIC | |
| 作者姓名： | 吴胜安 孔海江 吴 慧 |
| 作者单位： | WU Sheng-an(Institute of Atmospheric Physics of CAS, Beijing 100080 China;South China Sea Meteorological Disasters Mitigation Research Key Laboratory/Hainan Climate Center, Haikou 570203 China);KONG Hai-jiang(Institute of Atmospheric Physics of CAS, Beijing 100080 China);WU hui(South China Sea Meteorological Disasters Mitigation Research Key Laboratory/Hainan Climate Center, Haikou 570203 China) |
| 基金项目： | Natural science foundation of Hainan Province (409005) |
| 摘 要： | As shown in comparisons of the characteristics of inter-annual and inter-decadal variability and
periodical changes in the number of tropical cyclones forming over the western North Pacific by three
major forecast centers, i.e. China Meteorological Administration (CMA), Regional Specialized
Meteorological Center of Tokyo (JMA) and Joint Typhoon Warning Center (JTWC) of Guam, there are the
following important points. (1) Climatology of tropical cyclone (TC) or typhoon (TC on the intensity of TS
or stronger) shows some difference in tropical cyclone frequency among the centers, which is more notable
with TC than with typhoon. Both of them are more at the database of CMA than at those of the other two
centers. (2) The difference is too significant to ignore in the inter-annual variability of tropical cyclone
frequency between CMA and JTWC, which mainly results from the obvious difference in the inter-annual
variability of the number of generated tropical depression (TD) between the two databases. The difference
is small in the inter-annual variability of TS formations among all the three databases, and consistence is
good between JMA and CMA or JTWC. (3) Though differences are not significant in the periodical
variation of TC formations between CMA and JTWC, they are markedly apart in the inter-decadal
variability, which is mainly shown by an anti-phase during the 1990s. (4) Non-homogeneity may exist
around the late stage of the 1960s in the data of tropical cyclone frequency. |
DIFFERENCES AMONG DIFFERENT DATABASES IN THE NUMBER OF TROPICAL CYCLONES FORMING OVER THE WESTERN NORTH PACIFIC |
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| WU Sheng-an,KONG Hai-jiang and WU hui.DIFFERENCES AMONG DIFFERENT DATABASES IN THE NUMBER OF TROPICAL CYCLONES FORMING OVER THE WESTERN NORTH PACIFIC[J].Journal of Tropical Meteorology,2010,16(4):341-347. | |
| Authors: | WU Sheng-an KONG Hai-jiang and WU hui |
| Institution: | 1. Institute of Atmospheric Physics of CAS, Beijing 100080 China;South China Sea Meteorological Disasters Mitigation Research Key Laboratory/Hainan Climate Center, Haikou 570203 China 2. Institute of Atmospheric Physics of CAS, Beijing 100080 China 3. South China Sea Meteorological Disasters Mitigation Research Key Laboratory/Hainan Climate Center, Haikou 570203 China |
| Abstract: | As shown in comparisons of the characteristics of inter-annual and inter-decadal variability and periodical changes in the number of tropical cyclones forming over the western North Pacific by three major forecast centers, i.e. China Meteorological Administration (CMA), Regional Specialized Meteorological Center of Tokyo (JMA) and Joint Typhoon Warning Center (JTWC) of Guam, there are the following important points. (1) Climatology of tropical cyclone (TC) or typhoon (TC on the intensity of TS or stronger) ... |
| Keywords: | statistical characters difference comparison tropical cyclone frequency non-homogeneity |
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