自动水面航行器观测到的洋流评估

IF 1.9 4区 地球科学 Q2 ENGINEERING, OCEAN Journal of Atmospheric and Oceanic Technology Pub Date : 2023-08-29 DOI:10.1175/jtech-d-23-0066.1
B. A. Hodges, L. Grare, Benjamin Greenwood, Kayli Matsuyoshi, N. Pizzo, N. Statom, J. Farrar, L. Lenain
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引用次数: 1

摘要

自动水面飞行器的开发,如波音液体机器人波浪滑翔机,彻底改变了我们收集海洋表面-低层大气观测的能力,这是朝着更好地理解上层海洋和海气相互作用过程迈出的关键一步。然而,由于这些运载工具的波浪跟随特性,它们在表面波的作用下会经历快速移动、滚动和俯仰,这使得洋流观测的运动补偿特别具有挑战性。我们通过将基于波浪滑翔机的ADCP测量结果与在为期一周的实验过程中从底部安装的ADCP收集的重合和并置观测结果进行比较,对其准确性进行了评估。提出了一种适用于波浪跟踪水面车辆的新型运动补偿方法,并与标准方法进行了比较。我们表明,使用额外的位置和姿态传感器(GPS/IMU)显著提高了观测电流的准确性。
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Evaluation of ocean currents observed from autonomous surface vehicles
The development of autonomous surface vehicles, such as the Boeing Liquid Robotics Wave Glider, has revolutionized our ability to collect surface ocean–lower atmosphere observations, a crucial step toward developing better physical understanding of upper-ocean and air-sea interaction processes. However, due to the wave-following nature of these vehicles, they experience rapid shifting, rolling, and pitching under the action of surface waves, making motion compensation of observations of ocean currents particularly challenging. We present an evaluation of the accuracy of Wave Glider-based ADCP measurements by comparing them against coincident and collocated observations collected from a bottom-mounted ADCP over the course of a week-long experiment. A novel motion compensation method, tailored to wave-following surface vehicles, is presented and compared to standard approaches. We show that the use of an additional position and attitude sensor (GPS/IMU) significantly improves the accuracy of the observed currents.
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来源期刊
CiteScore
4.50
自引率
9.10%
发文量
135
审稿时长
3 months
期刊介绍: The Journal of Atmospheric and Oceanic Technology (JTECH) publishes research describing instrumentation and methods used in atmospheric and oceanic research, including remote sensing instruments; measurements, validation, and data analysis techniques from satellites, aircraft, balloons, and surface-based platforms; in situ instruments, measurements, and methods for data acquisition, analysis, and interpretation and assimilation in numerical models; and information systems and algorithms.
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