Advances in Earth Science ›› 1994, Vol. 9 ›› Issue (5): 48-53. doi: 10.11867/j.issn.1001-8166.1994.05.0048

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Zuo Juncheng,Yu Yifa,Chen Zongyong   

  1. Ocean University of Qingdao, 266003
  • Received:1993-10-06 Revised:1994-04-25 Online:1994-09-01 Published:1994-09-01

Zuo Juncheng,Yu Yifa,Chen Zongyong. THE ANALYSIS OF SEALEVEL VARIATION FACTOR ALONG CHINA COAST[J]. Advances in Earth Science, 1994, 9(5): 48-53.

This paper analyses the causes of monthly mean sealevel change along China coast in detail, and the effect of temperature, pressure and precipitation to sealevel is discussed.The variation of monthly mean sealevel in Bohai Sea is the greatest;the Huanghai Sea, the second;the East Sea, the third;and the South Sea, the smallest. The time of extreme value is delaying in order, and the static pressrue is becoming smaller successively from north to south. Except for the variation of 8-9 and 10 more years long period, the effect of about 14. 0 months variation is remarkable, and the amplitude is 1-2cm, this is the effect of pole tide. The influence of 18 months variation is also notable. The period of 3 years is not a wave, but a synchronous action along China coast. The yearly mean sealevel value in El Niño year is in the medium value of maximum and minimum, and El Niño act as a indemnifying balance function to the sealevel variation along China coast. The increasing of Krushio of PN section causes the rising of sealevel along China coast, the action at the mouth of Yangtze River is most remarkable, and is weakening with the distance longer from Yangtze River.

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