摘要:
海洋溶解氧垂直分布中的最大值,正如最小值一样,亦为溶解氧垂直分布中的一个突出的现象.对于这一现象,不同的研究者作出了不同的解释.Thompson在太平洋北部及东北部25-50M处观测到氧最大值层,他们认为这一氧最大值层,是与光合带相适应的.对鄂霍次克海中氧的最大值的形成,绘出了一个假设的图,认为夏季氧垂直分布中的最大值,是由于在跃层形成时期,浮游植物光合作用时,大量的氧从上面渗入到稍下的层内,随着增温时该处稳定密度层的形成,垂直交换困难,因而氧即被保持下耒,形成了夏季最大值.Ichiye认为,密度跃层中的氧最大值,是由于氧的涡动扩散,要进行得比热的涡动传导为慢的缘故.
Abstract:
The maximum value of dissolved oxygen in its vertical distribution in the Yellow Sea was studied.It is concluded that the oxygen maximum in the summer thermocline is mainly reserved from winter.Similar reservation occurs also in density and temperature in the cold water mass of the Yellow Sea.Above and below the depth of the oxygen maximum,the oxygen content is decreased by an increase of temperature and the decomposition of organic matter respectively.
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