西北太平洋海域風浪、涌浪、混合浪波浪能資源特征

doi:10.3969/2013jms.0062

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西北太平洋海域風浪、涌浪、混合浪波浪能資源特征
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                        10.3969/2013jms.0062
                    
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基金項目:國家重點基礎(chǔ)研究發(fā)展規(guī)劃項目（2010CB951901）

Characteristics analysis on wave energy over Northwest Pacific ocean in the last 44 years

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用ECMWF的ERA-40海浪再分析資料，應(yīng)用波浪能流密度計算方法，對西北太平洋海域的風浪能、涌浪能、混合浪能展開研究。結(jié)果表明：（1）波浪能流密度呈現(xiàn)出顯著季節(jié)性差異。混合浪能流密度表現(xiàn)為冬高夏低；春、夏、秋季的涌浪能流密度明顯大于風浪能流密度，冬季相反；（2）混合浪能流密度的大值區(qū)主要分布于阿留申群島附近海域，高值中心可達60 kW/m以上；近海的大值區(qū)主要分布于琉球群島-巴士海峽-傳統(tǒng)的南海大風區(qū)一帶，年平均值在4 kW/m以上，南海北部可達12 kW/m以上；（3）黃渤海的涌浪和混合浪能流密度峰值出現(xiàn)在8-9月，波谷出現(xiàn)在6月。風浪能流密度峰值出現(xiàn)在11月-次年3月，波谷出現(xiàn)在6-8月，均呈現(xiàn)雙峰型月變化特征。東海、南海北部、南海中南部海域能流密度的月變化特征相似，都為雙峰型，12月-次年4月的能流密度整體較高，波峰出現(xiàn)在12月，波谷出現(xiàn)在5-7月；（4）2 kW/m以上混合浪能流密度出現(xiàn)的頻率較高，近海低于大洋；（5）0.5 m以上有效波高出現(xiàn)的頻率都非常高，中國近海稍低于大洋；（6）涌浪能流密度的穩(wěn)定性明顯好于風浪能流密度；大洋的能流密度穩(wěn)定性明顯強于近岸。1月份能流密度的穩(wěn)定性最好，4月和7月次之，10月的穩(wěn)定性最差。

Abstract:

By using ERA-40 wave reanalysis data from ECMWF (European Centre for Medium-Range Weather Forecasts), the research on the wind wave, swell, mixed wave energy resources over the Northwest Pacific ocean was carried out with wave energy density calculating method. The results show as follows: (1) There was an obvious seasonal variation in wave energy density over the Northwest Pacific ocean, that was the high density of mixed wave energy in winter but low one in summer; the density of swell wave energy was larger than that of wind wave energy in spring, summer and autumn except winter. (2) Large-value center of mixed wave energy density mainly distributed in Aleutian Islands and its adjacent waters, which amounteal to more than 50 kW/m. Relative large value areas of mixed wave energy density in China Sea located in the line of Ryukyu Islands-Luzon Strait-Pullo Secca de Mare (southeast of South Peninsula), appearing in NE-SW direction and the annual average value was above 4kW/m, even up to 12 kW/m in the northern South China Sea. (3) Wave energy densities in the Bohai Sea, Yellow Sea, East China Sea and South China Sea exhibited obvious bimodal monthly variation characteristics. (4) The wave energy density above 2 kW/m repentodly occurred. (5) The significant wave height (SWH) above 0.5 m in the most of Northwest Pacific ocean are high, near 90%. (6) The stability of swell wave energy density is much better than that of wind wave energy, and the wave energy density in the ocean was much better than that in nearshore. The wave energy density in January was the most stable all year around, and it was the worst in October.

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鄭崇偉,游小寶,陳曉斌,李燕.西北太平洋海域風浪、涌浪、混合浪波浪能資源特征.氣象科學,2014,34(4):408-413 ZHENG Chongwei, YOU Xiaobao, CHEN Xiaobao, LI Yan. Characteristics analysis on wave energy over Northwest Pacific ocean in the last 44 years. Journal of the Meteorological Sciences,2014,34(4):408-413

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收稿日期:2012-11-23
最后修改日期:2013-06-14
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在線發(fā)布日期: 2014-08-29
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抽查舔水白紧大视频,冲喜娘子超甜哒激情五月,亚洲黄色图片偷拍网站,亚洲三级黄片免费播放,91在线观看喷潮红桃,日韩精品在线观看一区二区,久久久久久久久久久久黄色片子,日产精品99久久久久久久久,欧洲亚洲另类图片小说