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首页> 外文期刊>Continental Shelf Research: A Companion Journal to Deep-Sea Research and Progress in Oceanography >Environmental controls of surface water pCO(2) in different coastal environments: Observations from marine buoys
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Environmental controls of surface water pCO(2) in different coastal environments: Observations from marine buoys

机译：不同沿海环境中表面水PCO（2）的环境控制：海洋浮标的观察

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摘要

Time series of in situ surface seawater partial pressure of CO2 (pCO(2)) data collected between 2005 and 2017, together with other environmental variables from field or satellite measurements, along the coasts of the United States of America and its territories at different latitudes, are analyzed to separate the temperature effect from the remaining non-temperature effects (i.e., biological and other physical effects) on driving surface pCO(2). Similar to the findings in the open ocean, on seasonal time scales, the temperature effect (pCO(2)_T) tends to override the non-temperature effect (pCO(2)_nonT) in modulating surface pCO(2) in tropical and subtropical oceanic waters. However, the balance between pCO(2)_T and pCO(2)_nonT tends to shift towards pCO(2)_nonT in temperate zone waters, with a few exceptions in some specific oceanic environments. On interannual time scales, both atmospheric pCO(2) and surface pCO(2) show significant increasing trends over short time scales (i.e., < 10 years) except for a few outliers. In tropical and subtropical waters, the interannual changes of surface pCO(2) are mainly controlled by the non-temperature effect (through air-sea CO2 exchange). In temperate regions, these changes are primarily driven by the temperature effect (through increased SST). Considering that temperature is commonly included in remote sensing algorithms of surface pCO(2), this study suggests that, to better capture the seasonal and interannual signals in surface pCO(2) from satellites, atmospheric pCO(2) must be considered in the surface pCO(2) remote sensing algorithms especially in tropical and subtropical waters. The non-temperature effect on surface pCO(2), especially the biological effect (e.g., algal blooms), needs further investigation.
机译：在2005年至2017年间的二氧化碳（PCO（2））数据的时间序列（PCO（2））数据，以及来自美利坚合众国海岸的现场或卫星测量的其他环境变量以及其不同纬度的地区分析，分析以将温度效应与剩余的非温度效应（即，生物和其他物理效应）分离在驱动表面PCO（2）上。类似于开放海洋中的发现，在季节性时间尺度上，温度效应（PCO（2）_t）倾向于在热带和亚热带地调节表面PCO（2）中的非温度效应（PCO（2）_NONT）海水。但是，PCO（2）_T和PCO（2）_NONT之间的平衡趋向于在温带区水域中的PCO（2）_NONT转变，在某些特定的海洋环境中有一些例外。在依赖于几个异常值外，大气PCO（2）和表面PCO（2）显示出显着增加的趋势，除了几个异常值之外。在热带和亚热带水域中，表面PCO（2）的续际变化主要由非温度效应（通过空中海洋二氧化碳交换）控制。在温带区域中，这些变化主要由温度效应驱动（通过SST增加）。考虑到该温度通常包括在表面PCO的遥感算法中（2）中，该研究表明，为了更好地捕获从卫星表面PCO（2）中的季节性和续际信号，必须在表面中考虑大气PCO（2） PCO（2）遥感算法，尤其是热带和亚热带水域。表面PCO（2）的非温度效应，尤其是生物效应（例如，藻类盛开），需要进一步调查。

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