Evaluation of a New Carbon Dioxide System for Autonomous Surface Vehicles
Evaluation of a New Carbon Dioxide System for Autonomous Surface Vehicles
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DOI：
10.1175/jtech-d-20-0010.1
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发表时间：
2020-08
影响因子：
2.2
通讯作者：
C. Sabine;A. Sutton;Kelly McCabe;N. Lawrence‐Slavas;S. Alin;R. Feely;R. Jenkins;S. Maenner;C. Meinig;Jesse Thomas;E. V. Ooijen;Abe Passmore;B. Tilbrook
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文献类型：
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作者：
C. Sabine;A. Sutton;Kelly McCabe;N. Lawrence‐Slavas;S. Alin;R. Feely;R. Jenkins;S. Maenner;C. Meinig;Jesse Thomas;E. V. Ooijen;Abe Passmore;B. Tilbrook
目前的碳测量战略留下了时空空白，阻碍了对海洋碳地球化学循环的科学理解。数据产品和模型容易产生偏差，因为它们所依赖的数据不能充分捕捉中尺度时空（公里和天到周）变化。需要实施高分辨率测量战略，以充分评估全球海洋碳循环。为了扩大海洋-大气碳测量的空间和时间覆盖范围，开发了自主水面车辆CO2（ASVCO 2）系统。从2011年到2018年，ASVCO 2系统被部署在沿着美国太平洋和澳大利亚塔斯马尼亚海岸线以及热带太平洋的七个波浪滑翔机和Saildrone任务中，以评估传感器的可行性及其对碳循环研究的适用性。在这里，我们说明了ASVCO 2系统能够长期海洋部署和强大的收集空气和海水pCO 2在±2 μatm的基础上与现有的船载航行系统，与先前描述的系泊自主pCO 2（MAPCO 2）系统，并与同伴ASVCO 2系统并排部署的比较。
Current carbon measurement strategies leave spatiotemporal gaps that hinder the scientific understanding of the oceanic carbon biogeochemical cycle. Data products and models are subject to bias because they rely on data that inadequately capture mesoscale spatiotemporal (kilometers and days to weeks) changes. High-resolution measurement strategies need to be implemented to adequately evaluate the global ocean carbon cycle. To augment the spatial and temporal coverage of ocean–atmosphere carbon measurements, an Autonomous Surface Vehicle CO2 (ASVCO2) system was developed. From 2011 to 2018, ASVCO2 systems were deployed on seven Wave Glider and Saildrone missions along the U.S. Pacific and Australia’s Tasmanian coastlines and in the tropical Pacific Ocean to evaluate the viability of the sensors and their applicability to carbon cycle research. Here we illustrate that the ASVCO2 systems are capable of long-term oceanic deployment and robust collection of air and seawater pCO2 within ±2 μatm based on comparisons with established shipboard underway systems, with previously described Moored Autonomous pCO2 (MAPCO2) systems, and with companion ASVCO2 systems deployed side by side.