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对基于梯形积分原理的集成采样法的可行性在理论上进行了阐述，并在厦门湾和南海北部的５个站位分别采集不同深度的水样和由这些水样按一定比例混合而成的集成水样进行了现场研究，结果表明两种采样方法经不可逆稳态清除模型得出的溶解态２３４Ｔｈ的清除通量、颗粒态２３４Ｔｈ的输出通量及溶解态、颗粒态２３４Ｔｈ的停留时间基本一致，证实了垂直集成采样法的可行性与可靠性．这种新的采样方案为今后充分发挥２３４Ｔｈ法的优势，在更大空间尺度上进行新生产力的研究提供了可靠的保证．
The feasibility of the integrated sampling method based on the principle of trapezoidal integration is theoretically described, and the water samples of different depths are collected at five stations in the northern part of Xiamen Bay and the South China Sea respectively. The samples are mixed according to a certain proportion Integrated water samples were studied on site. The results show that the 234Th flux, the 234Th flux, the flux and the 234Th residence time of the two sampling methods are basically consistent with the irreversible steady-state model , Confirmed the feasibility and reliability of the vertically integrated sampling method. This new sampling plan will give full play to the advantages of the 234Th method in the future, and provide a credible guarantee for carrying out research on new productivity in a larger space scale.