| 西北太平洋区域海面变化——过程、特征与预测(英文) |
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| 引用本文： | 罗文,袁林旺,俞肇元,易琳,谢志仁.西北太平洋区域海面变化——过程、特征与预测(英文)[J].地理学报(英文版),2011,21(3):387-400. |
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| 作者姓名： | 罗文 袁林旺 俞肇元 易琳 谢志仁 |
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| 作者单位： | Key Laboratory of Virtual Geographic Environment;Ministry of Education;Nanjing Normal University; |
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| 基金项目： | Key Project of National Natural Science Foundation of China, No.40730527 |
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| 摘 要： | Based on 22 sparse-distributed tide gauge records in the Northwest Pacific Ocean marginal sea, the process, characteristic and prediction of regional sea level change are discussed by the integration of the following methods. Firstly, the regularized EM algorithm (RegEM) and the Multi-taper Spectral Method (MTM) are adopted to interpret their multiscale fluctuation processes and their spatial-temporal variations. Secondly, the orderly cluster method is introduced to classify these tidal stations, and with the consideration of the space adjacent relation, we obtain five sub-regions (the coasts of Bohai Sea-northern Yellow Sea, Yellow Sea-East China Sea along Chinese coast, the East China Sea along Japanese coast, the southern East China Sea and the northwestern South China Sea). Furthermore, the Mean Generation Function (MGF) is explored to predict the medium- and long-term trends of each tide station. Finally, the Principal Component Analysis (PCA) is employed to obtain re-gional-scale sea level change trends, sea level rise rates of the above five sub-regions from 2001 to 2030 are 1.23-1.27 mm/a, 3.30-3.34 mm/a, 2.72-2.76 mm/a, 1.43-1.47 mm/a and 1.13-1.15 mm/a respectively, and the whole region sea level rise rate is between 2.01 mm/a and 2.11 mm/a. The aim of our work is to conduct an integrated research on regional sea level change.
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| 关 键 词： | regional sea level change spatial-temporal variation MTM prediction Northwest Pacific |
Regional sea level change in Northwest Pacific: Process,characteristic and prediction |
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| Wen?Luo,Linwang?Yuan,Zhaoyuan?Yu,Lin?Yi,Zhiren?Xie.Regional sea level change in Northwest Pacific: Process,characteristic and prediction[J].Journal of Geographical Sciences,2011,21(3):387-400. |
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| Authors: | Wen Luo Linwang Yuan Zhaoyuan Yu Lin Yi Zhiren Xie |
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| Institution: | LUO Wen,YUAN Linwang,YU Zhaoyuan,YI Lin,XIE Zhiren Key Laboratory of Virtual Geographic Environment,Ministry of Education,Nanjing Normal University,Nanjing 210046,China |
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| Abstract: | Based on 22 sparse-distributed tide gauge records in the Northwest Pacific Ocean marginal sea, the process, characteristic and prediction of regional sea level change are discussed by the integration of the following methods. Firstly, the regularized EM algorithm (RegEM) and the Multi-taper Spectral Method (MTM) are adopted to interpret their multiscale fluctuation processes and their spatial-temporal variations. Secondly, the orderly cluster method is introduced to classify these tidal stations, and with t... |
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| Keywords: | regional sea level change spatial-temporal variation MTM prediction Northwest Pacific |
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