A two-year physicochemical and acoustic observation reveals spatiotemporal effects of earthquake-induced shallow-water hydrothermal venting on the surrounding environments

IF 5.1 2区 地球科学 Q1 LIMNOLOGY
Ling Chiu, Min-Chen Wang, Chih-Lin Wei, Tzu-Hao Lin, Yung-Che Tseng
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引用次数: 0

Abstract

Shallow-water hydrothermal vents have gained growing attention for their intricate characteristics caused by various epipelagic factors. The shallow-water hydrothermal system offshore Kueishan Island, Taiwan, situated in an earthquake-prone area, has prompted our exploration into the relationship between hydrothermal and seismic activities. Our 2-yr observation uncovered that the hydrothermal venting entered a silent period in November 2020, followed by a resurgence of activity after September 2021, coinciding with high-frequency shallow earthquakes occurring within 5 km of the vents. The pH level, dissolved inorganic carbon, alkalinity, pCO2, CO 3 2 , and sulfide served as indicators of hydrothermal activity, contributing to environmental changes in habitats during period transition. However, peering physicochemical and soundscape conditions, distinctions may still arise during two separate active periods. Through multivariate analysis, this study highlights the variability of shallow-water hydrothermal vents, emphasizing the necessity for more frequent and detailed investigations to further understand these extreme and dynamic marine ecosystems.

Abstract Image

为期两年的物理化学和声学观测揭示了地震引发的浅水热液喷口对周围环境的时空影响
浅水热液喷口因其受各种表层因素影响的复杂特征而日益受到关注。位于地震多发区的台湾龟山岛近海浅水热液系统促使我们探索热液与地震活动之间的关系。我们通过两年的观测发现,热液喷口在 2020 年 11 月进入沉寂期,随后在 2021 年 9 月之后重新活跃起来,与喷口 5 公里范围内发生的高频浅层地震相吻合。pH 值、溶解无机碳、碱度、pCO2 和硫化物是热液活动的指标,有助于了解过渡时期栖息地的环境变化。然而,从物理化学和声景条件来看,在两个不同的活跃期仍可能出现区别。通过多变量分析,本研究突出了浅水热液喷口的可变性,强调有必要进行更频繁和更详细的调查,以进一步了解这些极端和动态的海洋生态系统。
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来源期刊
CiteScore
10.00
自引率
3.80%
发文量
63
审稿时长
25 weeks
期刊介绍: Limnology and Oceanography Letters (LO-Letters) serves as a platform for communicating the latest innovative and trend-setting research in the aquatic sciences. Manuscripts submitted to LO-Letters are expected to present high-impact, cutting-edge results, discoveries, or conceptual developments across all areas of limnology and oceanography, including their integration. Selection criteria for manuscripts include their broad relevance to the field, strong empirical and conceptual foundations, succinct and elegant conclusions, and potential to advance knowledge in aquatic sciences.
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