Degassing During a Seafloor Eruption along the Mid-Ocean Ridge: Helium, Argon and Carbon Isotopes in Basalts from the East Pacific Rise Integrated Study Site

大洋中脊海底喷发期间的脱气:东太平洋隆起综合研究场玄武岩中的氦、氩和碳同位素

基本信息

  • 批准号:
    0937345
  • 负责人:
  • 金额:
    $ 18.05万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2009
  • 资助国家:
    美国
  • 起止时间:
    2009-09-01 至 2013-08-31
  • 项目状态:
    已结题

项目摘要

Virtually all mid-ocean ridge basalt magmas lose gas as they rise through the ocean crust because they are saturated or oversaturated with carbon dioxide. An unknown amount of the CO2 that is lost is vented through hydrothermal systems and used by organisms inhabiting them via biochemical reactions. This research measures noble gas (Argon and Helium) and CO2 concentrations trapped in bubbles of basaltic lavas erupted from 1991-1992 and 2005-2006 at the RIDGE 2000 Integrated Study Site on the East Pacific Rise. The concentration and isotopic composition of these gases provide fundamental information that can be used to determine the amount of lava degassing on mid-ocean ridges and provide insights into the evolution of magmas in the ocean crust. Analyses of samples along the length of individual lava flows offer an unprecedented opportunity to study magma recharge at a mid-ocean ridge, quantify the amount of pre-eruptive and syn-eruptive degassing that has occurred, and evaluate the extent to which carbon from Earth's interior is incorporated into hydrothermal fluids and ultimately into seafloor ecosystems. Broader impacts of the work include support of a new noble gas facility at Oregon State University and trains students.
事实上,所有的洋中脊玄武岩岩浆在上升穿过洋壳时都会失去气体,因为它们被二氧化碳饱和或过饱和。未知数量的二氧化碳通过热液系统排放,并通过生化反应被栖息在其中的生物体使用。这项研究测量了1991-1992年和2005-2006年在东太平洋海隆的RIDGE 2000综合研究站点喷发的玄武岩熔岩气泡中捕获的惰性气体(氩和氦)和CO2浓度。这些气体的浓度和同位素组成提供了基本信息,可用于确定洋中脊的熔岩脱气量,并为了解洋壳中岩浆的演化提供了依据。对沿着各个熔岩流沿着的样本进行分析,提供了一个前所未有的机会,可以研究洋中脊的岩浆补给,量化喷发前和喷发时的脱气量,并评估地球内部的碳在多大程度上被纳入热液流体并最终进入海底生态系统。这项工作的更广泛影响包括支持俄勒冈州州立大学的一个新的惰性气体设施和培训学生。

项目成果

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David Graham其他文献

Kenneth Burke’s pentad: a state of the discipline review, 2001-2010
肯尼思·伯克的五联体:2001-2010 年学科审查状况
  • DOI:
  • 发表时间:
    2011
  • 期刊:
  • 影响因子:
    0
  • 作者:
    David Graham
  • 通讯作者:
    David Graham
Uptake of new drugs in the early post‐approval period in the Mini‐Sentinel distributed database
Mini-Sentinel 分布式数据库中批准后早期新药的使用情况
  • DOI:
    10.1002/pds.4013
  • 发表时间:
    2016
  • 期刊:
  • 影响因子:
    2.6
  • 作者:
    Katrina Mott;David Graham;S. Toh;J. Gagne;Mark S Levenson;Yong Ma;M. Reichman
  • 通讯作者:
    M. Reichman
The chef as an emotional and aesthetic labourer; an employee in transition
厨师作为情感和审美劳动者;
  • DOI:
  • 发表时间:
    2015
  • 期刊:
  • 影响因子:
    0
  • 作者:
    David Graham
  • 通讯作者:
    David Graham
Outcomes of Arthroscopic-Assisted Distal Radius Fracture Volar Plating: A Meta-Analysis
  • DOI:
    10.1016/j.jhsa.2021.11.025
  • 发表时间:
    2022-04-01
  • 期刊:
  • 影响因子:
  • 作者:
    Zaid Shihab;Brahman Sivakumar;David Graham;Francisco del Piñal
  • 通讯作者:
    Francisco del Piñal
SSR180711, a Novel Selective α7 Nicotinic Receptor Partial Agonist: (1) Binding and Functional Profile
SSR180711,一种新型选择性α7 烟碱受体部分激动剂:(1)结合和功能特性
  • DOI:
    10.1038/sj.npp.1301189
  • 发表时间:
    2006-10-04
  • 期刊:
  • 影响因子:
    7.100
  • 作者:
    Bruno Biton;Olivier E Bergis;Frédéric Galli;Alain Nedelec;Alistair W Lochead;Samir Jegham;Danielle Godet;Christophe Lanneau;Raphaël Santamaria;Françoise Chesney;Jacques Léonardon;Patrick Granger;Marc W Debono;Georg A Bohme;Frédéric Sgard;François Besnard;David Graham;Annick Coste;André Oblin;Olivier Curet;Xavier Vigé;Corinne Voltz;Liliane Rouquier;Josiane Souilhac;Vincent Santucci;Christiane Gueudet;Dominique Françon;Régis Steinberg;Guy Griebel;Florence Oury-Donat;Pascal George;Patrick Avenet;Bernard Scatton
  • 通讯作者:
    Bernard Scatton

David Graham的其他文献

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{{ truncateString('David Graham', 18)}}的其他基金

Testing the Supernova Hypothesis Using 3He and 60Fe in Marine Sediments
使用海洋沉积物中的 3He 和 60Fe 检验超新星假说
  • 批准号:
    1836083
  • 财政年份:
    2019
  • 资助金额:
    $ 18.05万
  • 项目类别:
    Standard Grant
Collaborative Research: Carbon-Helium-Argon Isotope Relations at High-3He/4He Hotspots and Implications for Mantle Dynamics
合作研究:高 3He/4He 热点的碳-氦-氩同位素关系及其对地幔动力学的影响
  • 批准号:
    1763255
  • 财政年份:
    2018
  • 资助金额:
    $ 18.05万
  • 项目类别:
    Standard Grant
Tackling AMR in Wastewater Systems with Sneaky Bacteria
利用狡猾的细菌应对废水系统中的抗菌素耐药性
  • 批准号:
    EP/R036705/1
  • 财政年份:
    2018
  • 资助金额:
    $ 18.05万
  • 项目类别:
    Research Grant
Dynamics of Antimicrobial Resistance in the Urban Water Cycle in Europe
欧洲城市水循环中抗菌素耐药性的动态
  • 批准号:
    MR/P028195/1
  • 财政年份:
    2017
  • 资助金额:
    $ 18.05万
  • 项目类别:
    Research Grant
Collaborative Research: Examining Upper Mantle Volatile History Through Isotopic Variations of Carbon, Nitrogen, Hydrogen and Noble Gases in Undegassed Mid-Ocean Ridge Basalts
合作研究:通过未脱气的大洋中脊玄武岩中碳、氮、氢和稀有气体的同位素变化检查上地幔挥发历史
  • 批准号:
    1558798
  • 财政年份:
    2016
  • 资助金额:
    $ 18.05万
  • 项目类别:
    Standard Grant
Quantifying Spatial AMR Patterns across Urban and Rural Landscapes
量化城乡景观的空间 AMR 模式
  • 批准号:
    NE/N020626/1
  • 财政年份:
    2016
  • 资助金额:
    $ 18.05万
  • 项目类别:
    Research Grant
Collaborative Research: An Isotopic and Trace Element Study of Links Between Source Heterogeneity and Mantle Melting Beneath the Southeast Indian Ridge
合作研究:东南印度洋中脊下方源异质性与地幔融化之间联系的同位素和微量元素研究
  • 批准号:
    1357061
  • 财政年份:
    2014
  • 资助金额:
    $ 18.05万
  • 项目类别:
    Standard Grant
Collaborative Research: Mantle Volatiles in an Emerging Ocean Basin: H2O, CO2, and He & Ar Isotopes in Basalts from the Gulf of Aden Spreading Center System
合作研究:新兴洋盆中的地幔挥发物:H2O、CO2 和 He
  • 批准号:
    1259964
  • 财政年份:
    2013
  • 资助金额:
    $ 18.05万
  • 项目类别:
    Standard Grant
CAREER: Energy-Efficient Sensor Networks Using Analog Signal Processing
职业:使用模拟信号处理的节能传感器网络
  • 批准号:
    1148815
  • 财政年份:
    2012
  • 资助金额:
    $ 18.05万
  • 项目类别:
    Continuing Grant
Impact of methanotrophs, methanogens and geochemical conditions on net methane flux to the atmosphere from Arctic soils
甲烷氧化菌、产甲烷菌和地球化学条件对北极土壤向大气净甲烷通量的影响
  • 批准号:
    NE/J01446X/1
  • 财政年份:
    2012
  • 资助金额:
    $ 18.05万
  • 项目类别:
    Research Grant

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NSFGEO-NERC:量化海底扩张开始期间岩浆作用和蛇纹石化的演化
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NSFGEO-NERC: Quantifying evolution of magmatism and serpentinisation during the onset of seafloor spreading
NSFGEO-NERC:量化海底扩张开始期间岩浆作用和蛇纹石化的演化
  • 批准号:
    2026866
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    2020
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合作研究:了解海底冷热液循环期间微生物碳循环的多维方法
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合作研究:加利福尼亚湾北部向海底扩张过渡期间变形的局部化
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