东海海面太阳辐射近60a的变化与赤潮的关系  

Relationship between change of solar radiation and red tide in East China Sea in last 60 years

作　　者：孙百晔[1,2,3] 王修林[1] 阚世红[2] 王长友[1] 

机构地区：[1]中国海洋大学海洋化学理论与工程技术教育部重点实验室,山东青岛266100 [2]潍坊学院生物工程学院,山东潍坊261061 [3]中国海洋大学环境科学与工程学院,山东青岛266003

出　　处：《海洋环境科学》2009年第1期1-4,25,共5页Marine Environmental Science

基　　金：国家"973"项目(2001CB409703);国家自然科学基金项目(40376033);青岛市科技发展项目(06-2-2-7-nsh)

摘　　要：为了在年代尺度上分析太阳辐射与海洋赤潮之间的关系,利用NCEP再分析资料分析了东海海面太阳总辐射通量近60 a的变化特征。结果表明,近60 a来,东海北部海域海面太阳总辐射通量平均在198 W/m2左右,海面太阳总辐射通量以20 a左右的周期在波动中逐渐升高,自20世纪50年代末的谷期至今,年均上升率在0.5 W/m2.a左右,升幅在11%左右。而且进入21世纪后升幅尤为显著,与东海赤潮规模在此间的增加趋势一致。由于为赤潮藻提供生长所需的光照,太阳辐射的增加可能是导致东海赤潮发生次数和面积增加的原因之一,这对海洋赤潮预报和防治工作具有科学参考价值。In order to analyze the relationship between solar radiation and red tide occurrences, the changes of downward solar radiation over East China Sea in last 60 years were analyzed by data from NCEP reanalysis data. The results showed that solar radiation flux over the north area of East China Sea （ECS） was about 198 W/m^2 in average, but fluctuated with about 20-year cycles, and it was gradually increased about 11% with a rate around O. 5 W/m^2 ·a from the late 1950s to date in general. Such increase trend, especially after 2000 year, was consistent with the frequency and area of red tides during the same period in ECS. It showed that the stepup of radiation may be one of the reasons for the rise of red tides occurrences in ECS.

关 键 词：东海 太阳辐射 年代变化 赤潮 

分 类 号：X55[环境科学与工程—环境工程] P73[天文地球—海洋科学]