THE WET-DRY CHANGES IN RECENT 40 YEARS IN TAKLIMAKAN AREA

袁玉江; 李江风; 叶玮

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THE WET-DRY CHANGES IN RECENT 40 YEARS IN TAKLIMAKAN AREA

袁玉江, 李江风, 叶玮

文章导航 > Chinese Geographical Science > 1999 > 9(1): 57-62

袁玉江, 李江风, 叶玮. THE WET-DRY CHANGES IN RECENT 40 YEARS IN TAKLIMAKAN AREA[J]. 中国地理科学, 1999, 9(1): 57-62.

引用本文:

袁玉江, 李江风, 叶玮. THE WET-DRY CHANGES IN RECENT 40 YEARS IN TAKLIMAKAN AREA[J]. 中国地理科学, 1999, 9(1): 57-62.

Yuan Yujiang, Li Jiangfeng, Ye Wei. THE WET-DRY CHANGES IN RECENT 40 YEARS IN TAKLIMAKAN AREA[J]. Chinese Geographical Science, 1999, 9(1): 57-62.

Citation:

Yuan Yujiang, Li Jiangfeng, Ye Wei. THE WET-DRY CHANGES IN RECENT 40 YEARS IN TAKLIMAKAN AREA[J]. Chinese Geographical Science, 1999, 9(1): 57-62.

THE WET-DRY CHANGES IN RECENT 40 YEARS IN TAKLIMAKAN AREA

1.
Xinjiang Institute of Meteorology Sciences, Urumqi 830002, P. R. China;
2.
Xinjiang Institute of Geography, the Chinese Academy of Sciences, Urumqi 830011, P. R. China

基金项目: the National Natural Science Foundation of China (No.49671009)

THE WET-DRY CHANGES IN RECENT 40 YEARS IN TAKLIMAKAN AREA

1.
Xinjiang Institute of Meteorology Sciences, Urumqi 830002, P. R. China;
2.
Xinjiang Institute of Geography, the Chinese Academy of Sciences, Urumqi 830011, P. R. China

摘要: Using the precipitation data in recent 40 years of 48 meteorological stations in Taklimakan area and neighboring areas, this paper analyzes the stage and periodicity of the wet-dry changes in a year and four seasons. The paper also compares the correlativity of precipitation between Taklimakan area and around Mountains, and obtained some statisticconclusions as follows. (1) The precipitation changes of a year and four seasons in Taklimakan area have different wet-dryperiods and change periodicities. (2) Summer precipitation has well directive sense to annual precipitation in Taklimakanarea with a correlation coefficient 0. 901, and the negative correlation between precipitation and temperature in summer isvery remarkable. (3) There is definite correlation between annual precipitation in Taklimakan area and position of polarvortex. When longitude of polar vortex is partial west in February and its latitude is partial north in September of the lastyear, annual precipitation is above its mean in the area. In addition, it is beneficial to obtain more summer precipitation inthe area when position of polar vortex is partial west in February.
- Taklimakan area /
- wet-dry change /
- climate change
Abstract: Using the precipitation data in recent 40 years of 48 meteorological stations in Taklimakan area and neighboring areas, this paper analyzes the stage and periodicity of the wet-dry changes in a year and four seasons. The paper also compares the correlativity of precipitation between Taklimakan area and around Mountains, and obtained some statisticconclusions as follows. (1) The precipitation changes of a year and four seasons in Taklimakan area have different wet-dryperiods and change periodicities. (2) Summer precipitation has well directive sense to annual precipitation in Taklimakanarea with a correlation coefficient 0. 901, and the negative correlation between precipitation and temperature in summer isvery remarkable. (3) There is definite correlation between annual precipitation in Taklimakan area and position of polarvortex. When longitude of polar vortex is partial west in February and its latitude is partial north in September of the lastyear, annual precipitation is above its mean in the area. In addition, it is beneficial to obtain more summer precipitation inthe area when position of polar vortex is partial west in February.
- Taklimakan area /
- wet-dry change /
- climate change

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THE WET-DRY CHANGES IN RECENT 40 YEARS IN TAKLIMAKAN AREA

1. Xinjiang Institute of Meteorology Sciences, Urumqi 830002, P. R. China;

2. Xinjiang Institute of Geography, the Chinese Academy of Sciences, Urumqi 830011, P. R. China

基金项目: the National Natural Science Foundation of China (No.49671009)

收稿日期: 1998-05-27
刊出日期: 1999-03-20

关键词:

Taklimakan area /

wet-dry change /

climate change

摘要: Using the precipitation data in recent 40 years of 48 meteorological stations in Taklimakan area and neighboring areas, this paper analyzes the stage and periodicity of the wet-dry changes in a year and four seasons. The paper also compares the correlativity of precipitation between Taklimakan area and around Mountains, and obtained some statisticconclusions as follows. (1) The precipitation changes of a year and four seasons in Taklimakan area have different wet-dryperiods and change periodicities. (2) Summer precipitation has well directive sense to annual precipitation in Taklimakanarea with a correlation coefficient 0. 901, and the negative correlation between precipitation and temperature in summer isvery remarkable. (3) There is definite correlation between annual precipitation in Taklimakan area and position of polarvortex. When longitude of polar vortex is partial west in February and its latitude is partial north in September of the lastyear, annual precipitation is above its mean in the area. In addition, it is beneficial to obtain more summer precipitation inthe area when position of polar vortex is partial west in February.

English Abstract

袁玉江, 李江风, 叶玮. THE WET-DRY CHANGES IN RECENT 40 YEARS IN TAKLIMAKAN AREA[J]. 中国地理科学, 1999, 9(1): 57-62.

引用本文:

袁玉江, 李江风, 叶玮. THE WET-DRY CHANGES IN RECENT 40 YEARS IN TAKLIMAKAN AREA[J]. 中国地理科学, 1999, 9(1): 57-62.

Yuan Yujiang, Li Jiangfeng, Ye Wei. THE WET-DRY CHANGES IN RECENT 40 YEARS IN TAKLIMAKAN AREA[J]. Chinese Geographical Science, 1999, 9(1): 57-62.

Citation:

Yuan Yujiang, Li Jiangfeng, Ye Wei. THE WET-DRY CHANGES IN RECENT 40 YEARS IN TAKLIMAKAN AREA[J]. Chinese Geographical Science, 1999, 9(1): 57-62.

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THE WET-DRY CHANGES IN RECENT 40 YEARS IN TAKLIMAKAN AREA

THE WET-DRY CHANGES IN RECENT 40 YEARS IN TAKLIMAKAN AREA

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THE WET-DRY CHANGES IN RECENT 40 YEARS IN TAKLIMAKAN AREA

1. Xinjiang Institute of Meteorology Sciences, Urumqi 830002, P. R. China; 2. Xinjiang Institute of Geography, the Chinese Academy of Sciences, Urumqi 830011, P. R. China

English Abstract

THE WET-DRY CHANGES IN RECENT 40 YEARS IN TAKLIMAKAN AREA

1. Xinjiang Institute of Meteorology Sciences, Urumqi 830002, P. R. China; 2. Xinjiang Institute of Geography, the Chinese Academy of Sciences, Urumqi 830011, P. R. China

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目录

1. Xinjiang Institute of Meteorology Sciences, Urumqi 830002, P. R. China;

2. Xinjiang Institute of Geography, the Chinese Academy of Sciences, Urumqi 830011, P. R. China

1. Xinjiang Institute of Meteorology Sciences, Urumqi 830002, P. R. China;

2. Xinjiang Institute of Geography, the Chinese Academy of Sciences, Urumqi 830011, P. R. China