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本文利用“中美热带西太平洋海气相互作用研究”第1-8航次海面气象观测资料,计算分析了热带太平洋感热潜热通量的时空特征.分析结果表明在赤道海域,潜热通量远远大于感热通量.潜热和感热通量是从海面向大气输送的,且具有明显的年际变化和季节变化,日变化变幅甚小. 相似文献
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本文分析了东海黑潮G断面(1956—1976年)资料,通过东海黑潮变异与夏季太平洋副高以及青岛汛期降水关系的分析,发现东海黑潮变异对青岛汛期降水影响很大,初步得到如下结果: 1.若黑潮G断面冬季或春季表层最大流速比上年增大或减小,那么该年青岛汛期降水就减少或增加。 2.黑潮流轴突然往西摆动≥1个分区,下一年6月太平洋副高脊线平均位置在20°N以北。 3.黑潮流轴突然往西摆动≥1个分区,那么翌年青岛汛期降水偏多,降水距平>150毫米。 最后以副高脊线位置和G断面表层最大流速为因子,建立了青岛汛期降水预报模式 相似文献
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一、传感器概述能把物理量或化学量转换为与之有确定对应关系的电量输出的完整测量系统,称之为传感器。它是由敏感元件、传感元件和测量电路等三部分组成。传感器按用途分,有下述种类:力传感器<含压力、拉力、差压、加速度……)、光传感器、热传感器和磁传感器等等。传感器按其原理可分为。 相似文献
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AN ANALYSIS OF THE CHARACTERISTICS OF EQUATORIAL WESTERLIES 总被引:1,自引:0,他引:1
The real-time data of the high level atmosphere obtained by the R/V Xiangyanghong No.5 involved in the international TOGA-COARE project at 2°S, 155°E and at fixed real time of 05, 11, 19 and 23 h GMT each day from Nov. 5, 1992 to Feb. 18, 1993 are used to analyze diagnostically the vertical structure of wind and humidity over the central area of the warm pool. The results show that (1) the lowfrequency oscillation of the equatorial westerlies (i. e. reconstruction-development-decline) is closely related to the vigour and interruption of the Asian-Australian monsoon (including air flow across the equator caused by East Asia cold wave), (2) the variabilities of the vertical structure of wind and humidity, and the processes of precipitation and gale weather in the troposphere of the warm pool area are closely related to the intensity of the equatorial westerlies, and (3) there are strong wind belts over the high and low level atmosphere in the western equatorial Pacific at the inception of the ENSO event, and jet flow at the high and low level atmosphere during the equatorial westerly burst. 相似文献