Tectonic Uplift Destabilizes Subsea Gas Hydrate: A Model Example From Hikurangi Margin, New Zealand

Burton Zachary F. M.; Kroeger Karsten F.; Scheirer Allegra Hosford; Seol Yongkoo; Burgreen-Chan Blair; Graham Stephan A.

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Tectonic Uplift Destabilizes Subsea Gas Hydrate: A Model Example From Hikurangi Margin, New Zealand

机译：构造隆起使海底天然气水合物：来自新西兰Hikurangi边缘的模型例子

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Rising ocean temperatures and falling sea level are commonly cited as mechanisms of marine gas hydrate destabilization. More recently, uplift-both isostatic and tectonic-has been invoked. However, the effect of tectonic shortening and uplift on gas hydrate stability zone extent has not been validated via integrated computational modeling. Here, modeling along the Hikurangi margin of New Zealand illustrates the mechanism of tectonic uplift as a driver of gas hydrate destabilization. We simulate how tectonic uplift and shortening affect the presence and decrease the extent of a gas hydrate stability zone. We suggest that resultant gas hydrate destabilization in the marine realm may impact the global carbon cycle and oceanic chemistry over geologic time.

机译：海洋温度和海平面上升通常被引用为海洋气体水合物不稳定的机制。最近，已经调用了隆起 - 异位和构造。然而，通过集成计算建模尚未验证构造缩短和隆起对气体水合物稳定区的影响。在这里，沿着新西兰的Hikurangi边缘建模说明了构造隆起的机制作为天然气水合物不稳定的驾驶员。我们模拟了构造隆起和缩短如何影响存在和降低气体水合物稳定区的程度。我们建议在海洋境界中产生的天然气水合物不稳定可能影响全球碳循环和海洋化学在地质时间上。

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来源
《Geophysical Research Letters》 |2020年第7期|共10页
作者
Burton Zachary F. M.; Kroeger Karsten F.; Scheirer Allegra Hosford; Seol Yongkoo; Burgreen-Chan Blair; Graham Stephan A.;
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作者单位

Stanford Univ Dept Geol Sci Stanford CA 94305 USA;

GNS Sci Lower Hutt New Zealand;

Stanford Univ Dept Geol Sci Stanford CA 94305 USA;

US DOE Natl Energy Technol Lab Morgantown WV 26505 USA;

Conoco Phillips Houston TX USA;

Stanford Univ Dept Geol Sci Stanford CA 94305 USA;

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正文语种 eng
中图分类地球物理学;
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1. Tectonic Uplift Destabilizes Subsea Gas Hydrate: A Model Example From Hikurangi Margin, New Zealand [J] . Burton Zachary F. M., Kroeger Karsten F., Scheirer Allegra Hosford, Geophysical Research Letters . 2020,第7期

机译：构造隆起使海底天然气水合物：来自新西兰Hikurangi边缘的模型例子
2. Tectonic and geological framework for gas hydrates and cold seeps on the Hikurangi subduction margin, New Zealand [J] . Philip M. Barnes, Geoffroy Lamarche, Joerg Bialas, Marine Geology . 2010,第1a4期

机译：新西兰希库朗伊俯冲带边缘天然气水合物和冷渗流的构造和地质框架
3. Insights into subduction-related uplift along the Hikurangi Margin, New Zealand, using numerical modeling [J] . Nicola Litchfield, Susan Ellis, Kelvin Berryman, Journal of geophysical research. Earth Surface: JGR . 2007,第f2期

机译：使用数值模型洞悉新西兰Hikurangi边缘俯冲相关的隆升
4. Shallow Gas and the Development of a Weak Layer in Submarine Spreading, Hikurangi Margin (New Zealand) [C] . Aaron Micallef, Joshu J. Mountjoy, Sebastian Krastel, Symposium on submarine mass movements and their consequences . 2016

机译：浅气和潜艇蔓延的薄弱层的发展，Hikurangi边缘（新西兰）
5. Studies in the tectonics of China: Extensional tectonics of the northern margin of the South China Sea; amalgamation and uplift of the Tian Shan; and wedge extrusion model for the Altyn Tagh Fault. [D] . Zhou, Da. 1998

机译：中国构造研究：南中国海北缘的伸展构造；天山的融合与隆升；和阿尔金塔格断层的楔形挤压模型。
6. Microbial Communities of Deep-Sea Methane Seeps at Hikurangi Continental Margin (New Zealand) [O] . S. Emil Ruff, Julia Arnds, Katrin Knittel, -1

机译：Hikurangi大陆边缘的深海甲烷微生物群落（新西兰）
7. Marine-controlled source electromagnetic study of methane seeps and gas hydrates at Opouawe Bank, Hikurangi Margin, New Zealand [O] . Schwalenberg, Katrin, Rippe, Dennis, Koch, Stephanie, 2017

机译：新西兰Hikurangi Margin的Opouawe Bank对甲烷渗透和天然气水合物进行海洋控制的电磁源研究
8. Geochemical Characterization of Concentrated Gas Hydrate Deposits on the Hikurangi Margin, New Zealand: Preliminary Geochemical Cruise Report [R] . Coffin, R. B., Hamdan, L., Pohlman, J., 2008

机译：新西兰Hikurangi边缘浓缩天然气水合物矿床的地球化学特征：初步地球化学巡航报告

Tectonic Uplift Destabilizes Subsea Gas Hydrate: A Model Example From Hikurangi Margin, New Zealand

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