Simulating Wave Climate Fluctuation in the Bohai Sea Related to Oscillations in the East Asian Circulation Over a Sixty Year Period

• Published in: Journal of coastal research 2017-07, Vol.33 (4), p.829-838
• Main Authors: Huiru, Ren, Guosheng, Li, Linlin, Cui, Yue, Zhang, Ninglei, Ouyang
• Format: Article
• Language: English
• Subjects: Atmospheric circulation; Atmospheric sciences; Circulation; Climate; Climate change; Climate models; Climatic zones; Coasts; Computer simulation; Marine geology; Monsoons; Ocean currents; Oscillations; Oscillators; Propagation; Seas; Sediments; Shoreline protection; Significant wave height; Significant waves; Subtropics; Summer; the East Asian monsoon; Variation; Wave climate; Wave direction; Wave height; Wave period; Waves; westerly wind; Western Pacific subtropical high; Wind; Winter
• ISSN: 0749-0208; 1551-5036
• DOI: 10.2112/JCOASTRES-D-15-00209.1

Huiru, R.; Guosheng, L.; Linlin, C.; Yue, Z., and Ninglei, O., 2017. Simulating wave climate fluctuation in the Bohai Sea related to oscillations in the East Asian circulation over a sixty year period. Wave climate in the Bohai Sea from 1950 to 2011 was simulated with the Simulating Waves Nearshore model. Results showed that the following: (1) The significant wave height decreased; wave direction and wave period all increased in the past 62 years; the average decrease in significant wave height was 0.3 cm/y, and the increase in the wave angle was 0.12°/y. (2) The abrupt change of significant wave height occurred around 1968; the abrupt change of wave direction occurred around 1960. The characteristics of wave climate were affected by a complicated long-term process of the East Asian circulation. Four patterns for the effects of the East Asian circulation on the wave climate in the Bohai Sea were found by analysing the variation in the summer significant wave height and correlations of the significant wave height with the East Asian monsoon, West Pacific subtropical high, and west wind circulation.