应用卫星遥感边缘效应解译冬季黄海的水团配置

作者提出叶绿素是海洋浮游植物生物量的一个重指标,在两水系交汇的锋区,由于浮游植物大量繁殖,叶绿素富集,处于高生产力状态。同步获取黄海叶绿素在富集带及邻近外区的分布,可以确定水团边界。对此,作者根据卫星图象经几何纠正后,通过与黄海叶绿素a的边缘效应信息及区域分布态势比较并解译,将冬季黄海的水团划分为八种。本文还引证了遥感与其它常规资料佐证。

APPLYING THE INFORMATION ON FRINGING EFFECT OF REMOTE SENSING FROM SATELLITE TO THE INTERPRETATION OF THE DISTRIBUTION OF WATER MASSES

This paper points out that plant plankton is a key link in the food chain of marine plankton and that the content of chlorophyll is an important index indicating the amount of plant plankton Therefore, it is more convenient to find out the characteristics of water masses by using the surface distribution of chlorophyll content than using that of plankton bloom or animal.Plant plankton grows rapidly in the frontal zone of confluence of rivers where there is eddy motion, hence the zone is always of high productiveness. In other words, in the frontal zone rich plant plankton indicates relevantly the concentrating of chlorophyll, and vice versa. Therefore, if the distributions of chlorophyl concentrating zone and non-chlorophyll-concentrating zone were found out synchronously in a large area the boundaries between water masses would be defined.Based on the interpretation of the information of fringing effect and the distribution pattern of chlorophyll-a using the original pictures corrected geometrically of CZCS of NIMBUS SATELLITE in February, 1980, the Huanghai Sea in winter was divided into eight water masses:1 the Northern Huanghai Sea shore water;2 the Northern Shandong shore water,3 the west water of the Northern Huanghai Sea,4.the center water of the Northern Huanghai Sea;5.the center water of the Southern Huanghai Sea;6.the west water of the Southern Huanghai Sea,7.the Northern Jiangsu shore water;8.the Western Korea shore water.The data of remote sensing were compared with routine data, such .is the infrared information of satellite, the temperature, salinity and transparency of sea water, and the geomorphy of sea bed, in order to verify our conclusions