Using the Perseverance MEDA-RDS to identify and track dust devils and dust-lifting gust fronts

IF 2.6 3区 物理与天体物理 Q2 ASTRONOMY & ASTROPHYSICS
D. Toledo, V. Apéstigue, J. Martinez-Oter, F. Franchi, F. Serrano, M. Yela, M. de la Torre Juarez, J. A. Rodriguez-Manfredi, I. Arruego
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引用次数: 0

Abstract

In the framework of the Europlanet 2024 Research Infrastructure Transnational Access programme, a terrestrial field campaign was conducted from 29 September to 6 October 2021 in Makgadikgadi Salt Pans (Botswana). The main goal of the campaign was to study in situ the impact of the dust devils (DDs) on the observations made by the radiometer Radiation and Dust Sensor (RDS), which is part of the Mars Environmental Dynamics Analyzer instrument, on board NASA’s Mars 2020 Perseverance rover. Several DDs and dust lifting events caused by non-vortex wind gusts were detected using the RDS, and the different impacts of these events were analyzed in the observations. DD diameter, advection velocity, and trajectory were derived from the RDS observations, and then, panoramic videos of such events were used to validate these results. The instrument signal variations produced by dust lifting (by vortices or wind gusts) in Makgadikgadi Pans are similar to those observed on Mars with the RDS, showing the potential of this location as a Martian DD analog.
利用恒心气象- rds识别及追踪尘卷风及起尘阵风锋
在欧洲行星2024年研究基础设施跨国准入计划的框架下,于2021年9月29日至10月6日在Makgadikgadi盐田(博茨瓦纳)开展了地面实地活动。该活动的主要目标是原位研究尘卷风(dd)对辐射和尘埃传感器(RDS)观测结果的影响,RDS是美国宇航局火星2020毅力号漫游车上的火星环境动力学分析仪仪器的一部分。利用RDS检测了几种非涡旋阵风引起的dd和扬尘事件,并在观测中分析了这些事件的不同影响。利用RDS观测得到了DD直径、平流速度和轨迹,并利用这些事件的全景视频对结果进行了验证。在Makgadikgadi平原,由尘埃提升(由漩涡或阵风)产生的仪器信号变化与在火星上用RDS观测到的相似,显示了这个位置作为火星DD模拟的潜力。
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来源期刊
Frontiers in Astronomy and Space Sciences
Frontiers in Astronomy and Space Sciences ASTRONOMY & ASTROPHYSICS-
CiteScore
3.40
自引率
13.30%
发文量
363
审稿时长
14 weeks
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