| ZHU Shouxian,HE Zhanyuan,ZHANG Wenjing,XIE Shijian,XU Yucheng. 2018. Characteristics analysis for cold water patches off the Jiangsu coast in the last 35 a. Acta Oceanologica Sinica, 37(11):19－25 |
| Characteristics analysis for cold water patches off the Jiangsu coast in the last 35 a |
| 江苏沿海近35年冷水块的特征分析 |
| Received:November 22, 2017 |
| DOI：10.1007/s13131-018-1293-2 |
| Key words:Jiangsu coast cold water patch characteristic analysis wind tide |
| 中文关键词: 江苏沿海 冷水块 特征分析 风 天文潮 |
| 基金项目: |
| Author Name | Affiliation | E-mail | | ZHU Shouxian | College of Oceanography, Hohai University, Nanjing 210098, China | zhushouxian@vip.sina.com | | HE Zhanyuan | College of Oceanography, Hohai University, Nanjing 210098, China | | | ZHANG Wenjing | College of Meteorology and Oceanography, National University of Defense Technology, Nanjing 211101, China | | | XIE Shijian | Zhejiang Surveying of Estuary and Coast, Hangzhou 310008, China | | | XU Yucheng | College of Oceanography, Hohai University, Nanjing 210098, China | |
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| Abstract: |
| The daily and monthly-mean characteristics of cold water patches (CWPs) off the Jiangsu coast in 35 a of 1982-2016 are examined based on advanced very high resolution radiometer (AVHRR) data. Most of the CWPs are found to occur in the warm and hot months (May-September), with some CWPs in the cool and cold months (October-April). The average radius and intensity of the monthly-mean CWPs are about 81 km and 0.6℃, respectively. The average difference in the sea surface temperature (SST) between the centers of the CWPs and the nearshore is about 2.0℃. The correlation analysis between the CWPs, winds and tides indicates that most of the CWPs occurred during the southerly winds, with some CWPs occurring during the northerly winds. The average intensity of the CWPs during spring tides is slightly stronger than that during neap tides in the warm and hot months, and the difference is very small in the cool and cold months. |
| 中文摘要: |
| 本文采用近35年（1982-2016）AVHRR资料分析江苏沿海冷水块逐日和月平均特征。大多数冷水块出现在较暖月份（5、9月）和夏季（6-8月），也有一些冷水块出现在较冷月份（3、4、10、11月）和冬季（12-2月）。月平均冷水块的平均半径约为81km，平均强度为0.6℃。冷水块中心与沿岸的海表温平均差别为2.0℃。冷水块和风场、天文潮的相关性分析表明：大多数冷水块出现在偏南风期间，但是也有一些冷水块出现在偏北风期间；在较暖月份和夏季，冷水块在大潮期间的平均强度略强于小潮期间，在较冷月份和冬季，这种差别很小。 |
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