对Zambon等人“Juno/JIRAM探测到的Io热点分布”的评论

IF 4.6 1区地球科学 Q1 GEOSCIENCES, MULTIDISCIPLINARY

Geophysical Research Letters Pub Date : 2025-01-08 DOI:10.1029/2024gl110698

Ashley Gerard Davies

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引用次数: 0

摘要

木卫一上火山热发射的分布可能反映潮汐加热的位置和大小，因此准确识别木卫一上的火山对于实现鲁棒的内部建模至关重要。Zambon et al. （2023, https://doi.org/10.1029/2022gl100597）“Juno/JIRAM探测到的木卫一热点分布”，地球物理研究快报，50,e2022GL100597（2023）报道了木卫一高纬度地区的热点位置，这些热点显然是假的。这似乎是由于JIRAM图像与参考框架的错误配准，导致相同的热点位于木卫一表面的不同位置。其他热点尚未确定。这些额外的和缺失的探测结果是火山活动向高纬度倾斜，这表明极地活动比低纬度地区更多。热源的这种分布将支持深层地幔潮汐加热的优势，这一结论没有得到对相同数据的其他分析的支持。

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Comment on “Io Hot Spot Distribution Detected by Juno/JIRAM” by Zambon et al.

The distribution of volcanic thermal emission on Io might reflect the location and magnitude of tidal heating, so it is important to accurately identify Io’s volcanoes to enable robust interior modeling. Zambon et al. (2023, https://doi.org/10.1029/2022gl100597) “Io Hot Spot Distribution Detected by Juno/JIRAM,” Geophysical Research Letters, 50, e2022GL100597 (2023) report the positions of hot spots on Io at high latitudes that are apparently spurious. This appears to be due to mis-registration of JIRAM images to a frame of reference, leading to the same hot spot being located in different positions on Io’s surface. Other hot spots are not identified. The outcome of these additional and missing detections is a skewing of volcanic activity toward high latitudes, suggesting more polar activity than that seen at lower latitudes. This distribution of thermal sources would support a preponderance of deep mantle tidal heating, a conclusion not supported by other analyses of the same data.

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来源期刊

Geophysical Research Letters 地学-地球科学综合

CiteScore

9.00

自引率

9.60%

发文量

1588

审稿时长

2.2 months

期刊介绍： Geophysical Research Letters (GRL) publishes high-impact, innovative, and timely research on major scientific advances in all the major geoscience disciplines. Papers are communications-length articles and should have broad and immediate implications in their discipline or across the geosciences. GRLmaintains the fastest turn-around of all high-impact publications in the geosciences and works closely with authors to ensure broad visibility of top papers.