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Remote sensing of surface ocean PH exploiting sea surface salinity satellite observations

机译：利用海表盐度卫星观测资料进行海表酸碱度遥感

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The overall process commonly referred to as Ocean Acidification (OA) is nowadays gathering increasing attention for its profound impact at scientific and socio-economic level. To date, the majority of the scientific studies into the potential impacts of OA have focused on models and in situ datasets. Satellite remote sensing technology have yet to be fully exploited and could play a significant role by providing synoptic and frequent measurements for investigating OA processes on global scales. Within this context, the purpose of the ESA “Pathfinders-OA” project is to quantitatively and routinely estimate surface ocean pH by means of satellite observations in several ocean regions. Satellite Ocean Colour, Sea Surface Temperature and Sea Surface Salinity data (with an emphasis on the latter) will be exploited. A proper merging of these different datasets will allow to compute at least two independent proxies among the seawater carbonate system parameters and therefore obtain the best educated guess of the surface ocean pH. Preliminary results of the anomaly and variability of the ocean pH maps are presented.
机译：如今，通常被称为海洋酸化（OA）的整个过程因其在科学和社会经济层面的深远影响而受到越来越多的关注。迄今为止，大多数有关OA潜在影响的科学研究都集中在模型和原位数据集上。卫星遥感技术尚未得到充分利用，并且可以通过提供天气概况和频繁的测量结果来调查全球范围内的OA过程，从而发挥重要作用。在此背景下，欧空局“ Pathfinders-OA”项目的目的是通过在几个海洋区域的卫星观测，定量和常规地估算海洋表面的pH值。将利用卫星海洋颜色，海表温度和海表盐度数据（重点是后者）。这些不同数据集的适当合并将允许计算海水碳酸盐系统参数之间的至少两个独立代理，从而获得对表层海洋pH值的最佳推测。给出了海洋pH图的异常和变化的初步结果。

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