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分别用Ekman有限深海风漂流计算公式,普林斯顿海洋模式（POM）数值计算了南黄海风漂流。通过对这两种方法的计算结果的对比分析得出：在水深较小时,模式计算的风漂流场与公式计算结果较为接近;而在水深较大时公式计算所得风漂流场与实际流场相差较大,模式计算的风漂流场则基本再现了夏季南黄海的环流结构;风速越大,两种计算方法所得的流场之间的差别越大。同时从数值试验的角度还得到夏季由于风速普遍偏小,风场对环流结构的影响都相对较小,热盐效应是控制夏季环流的主导因素。但当风速增大到一定程度时,环流结构会发生根本改变。 相似文献
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Surface circulation patterns observed by drifters in the Yellow Sea in summer of 2001, 2002 and 2003 总被引：2，自引：0，他引：2
In summer of 2001, 2002 and 2003, ten, six and seventeen satellite-tracked surface drifters with drogues centered at 15 and 4 m were deployed, respectively, in the southern Yellow Sea (YS). 23 drifters of them transmitted useful data of at least 30 days. The wind-driven component of the drift was removed from the original drift velocity of drifters. The wind data used are from NCEP (National Center for Environmental Prediction), USA.Trajectories and drift velocities of the 23 drifters depicted the upper circulation structure in the southern YS. There exists an anti-cyclonic eddy with a mean speed and radius of 0.063 m/s and 50km in the central southern YS, whose center lingered within 35.3-36.0°N / 123.5-124.0°E. Showed by 6 drifters, a basin-scale elliptic cyclonic gyre with a mean speed of 0.114 m/s, long and short radius of 250 and 200 km surrounds the anti-cyclonic eddy. In the southwestern part of the southern YS has obvious frontal eddy activities within about 100 km with a mean speed about 0.076 相似文献
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