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中国近海海气界面热通量的反演 预览 被引量:9

The remote of the sensible and latent heat fluxes in China coast
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摘要 应用卫星SSM/I(Special Sensor Microwave/Imager)和AVHRR(Advanced VeryHighResolution Radiometer)遥感资料,使用先进的海气通量计算方法(COARE3.0),计算了中国近海海气界面的感热和潜热通量.计算结果与南海西沙(2002年5月)和文昌(2000年10-11月)实测结果进行比较发现,应用遥感资料获得的海气界面热通量与实测结果非常一致.遥感获得的感热通量和潜热通量与西沙实测结果的均方根误差分别为2.9和29.9w/m^2,与文昌实测结果的均方根误差:2000年10月分别为4.42和43.05W/m^2,2000年11月分别为4.19和40.8W/m^2,与GSSTF2的结果相比,其时空分布变化特征基本一致.根据中国近海遥感资料(1988-2000年)的感热通量的分析,其均方根误差在10.1~12.4W/m^2之间,多年平均均方根误差为11.7W/m^2.潜热通量的均方根误差在34.8~49.7W/m^2之间,多年平均均方根误差为43.2W/m^2.由此可以说明,利用遥感获得的热通量可以用来进行中国近海海气相互作用的研究以及作为我国气候预测研究的重要依据. The heat exchange interfaced ocean and atmosphere acts an important role in the climatic variation, but it has influenced on further research of the air-sea interaction because the observations over ocean are sparse. In this paper the satellite data from SSM/I and AVHRR are applied to estimate the sensible flux and latent flux on the air-sea interface over China coastal sea (CCS) with the advanced method (COARE3.0). Comparison with the in-situ observations in Xisha and Wenchang stations, the estimated results are reasonable well. the root mean square (RMS) of sensible flux and latent flux are 2. 9 and 29. 9 W/m2, respectively, contrasted with the observation data from Xisha Station in May 2002. The RMS of sensible flux are 4.42 W/m^2 (October 2000) and 4. 19 W/m^2 (November 2000), the RMS of latent flux are 43.05 W/m^2(October 2000) and 40. 8 W/m^2 (November 2000) contrasted with Wenchang Station. The temporal and spatial distributions from this method are generally consistent with that of GSSTF2. Based on the analysis with the satellite data in CCS, the RMS is 11.7 W/m^2 for sensible flux and 43.2 W/m^2 for latent flux. It means that the satellite data could be taken as an efficient alternative for sparse observations over ocean and it has important role in the study of the air-sea interaction in CCS, as well it has been used as important basis on the climate forecast and research in China.
作者 陈锦年 伍玉梅 何宜军 CHEN Jin-nian, WU Yu-mei , HE Yi-jun ( 1. Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China ; 2. Guangzhou Institute of Tropical and Oceanic Meteorological Administration, Cruangzhou 510080, China; 3. Graduate School of Chinese Academy of Sciences, Beijing 100039, China)
出处 《海洋学报》 CAS CSCD 北大核心 2006年第4期 26-35,共10页 Acta Oceanologica Sinica
基金 热带海洋气象科学研究基金项目(200412) 国家863项目:海气界面热通量遥感信息反演与提取 国家自然科学基金项目:南海季风爆发明近海面层通量观测和湍流结构研究(40075003).
关键词 卫星遥感资料 中国近海 感热和潜热通量 China coastal sea heat fluxes satellite data
作者简介 陈锦年(1954-),男,山东省临沂市人,研究员,博士,主要从事大尺度海洋与大气相互作用和极地科学研究.E-mail:jnchen@ms.qdio.ac.cn.
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