Collaborative Research: Biogeochemical Cycling of Particulate and Dissolved Organic Matter in the Arctic Ocean Using Molecular Markers

合作研究:利用分子标记对北冰洋颗粒物和溶解有机物进行生物地球化学循环

基本信息

项目摘要

The project combines field and experimental approaches to investigate the sources,transformations, transport, and fates of dissolved, particulate and sedimentary organic matter in theBeaufort and Chukchi Seas. This project will take advantage of the specificity that molecular organicmarkers of organisms and their processes can provide to understand how the Western Arctic shelvesproduce, metabolize and sequester carbon, a question central for the SBI program. The proposed studiesare closely linked with proposed research in other SBI phase II projects as well as international programs togive an integrated, pan-Arctic view of C and N cycling. The proposed research is directed by thefollowing central hypotheses: 1) On time scales of physical transport across the shelf-basin boundary and interior ocean (years to decades), terrestrial organic matter contains specific, conservative biomarkers that trace riverine discharge; 2) Biological processing in shelf waters dictates the molecular signatures of organic matter deposited in sediments and exported to the Basin; 3) Episodic marine primary production fuels benthic production.
该项目结合了实地和实验方法,调查波弗特海和楚科奇海溶解的、颗粒的和沉积的有机物的来源、转化、运输和命运。该项目将利用生物体及其过程的分子有机标志物的特异性来了解西北极大陆架如何产生,代谢和封存碳,这是SBI计划的核心问题。拟议的研究与SBI第二阶段其他项目以及国际计划中的拟议研究密切相关,以提供碳和氮循环的综合泛北极观点。本文的主要研究工作是基于以下几个假设:(1)关于陆棚-海盆边界和海洋内部物理输运的时间尺度(几年到几十年),陆地有机物含有特定的、保守的生物标志物,可以追踪河流排放; 2)陆架沃茨的生物处理决定了沉积在沉积物中并输出到盆地的有机物的分子特征; 3)间歇性海洋初级生产为底栖生产提供燃料。

项目成果

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Ronald Benner其他文献

Evolving Paradigms in Biological Carbon Cycling in the Ocean
  • DOI:
    doi: 10.1093/nsr/nwy074
  • 发表时间:
    2018
  • 期刊:
  • 影响因子:
    20.6
  • 作者:
    Chuanlun Zhang;Hongyue Dang;Farooq Azam;Ronald Benner;Louis Legendre;Uta Passow;Luca Polimene;Carol Robinson;Curtis A. Suttle;Nianzhi Jiao
  • 通讯作者:
    Nianzhi Jiao
Sources, distributions, and early diagenesis of sedimentary organic matter in the Pearl River region of the South China Sea
南海珠江区沉积有机质来源、分布及早期成岩作用
  • DOI:
    10.1016/j.marchem.2013.11.003
  • 发表时间:
    2014-01
  • 期刊:
  • 影响因子:
    3
  • 作者:
    Yulong Zhang;Karl Kaiser;Li Li;Dainan Zhang;Yong Ran;Ronald Benner
  • 通讯作者:
    Ronald Benner
Dynamics of microbial biomass and activity in five habitats of the Okefenokee Swamp ecosystem
  • DOI:
    10.1007/bf02012941
  • 发表时间:
    1987-11-01
  • 期刊:
  • 影响因子:
    4.000
  • 作者:
    Mary Ann Moran;A. E. Maccubbin;Ronald Benner;Robert E. Hodson
  • 通讯作者:
    Robert E. Hodson
Temporal relationship between the deposition and microbial degradation of lignocellulosic detritus in a Georgia salt marsh and the Okefenokee Swamp
  • DOI:
    10.1007/bf02011172
  • 发表时间:
    1986-09-01
  • 期刊:
  • 影响因子:
    4.000
  • 作者:
    Ronald Benner;A. E. Maccubbin;Robert E. Hodson
  • 通讯作者:
    Robert E. Hodson
Correction to: The roles of microorganisms in litter decomposition and soil formation
  • DOI:
    10.1007/s10533-024-01118-2
  • 发表时间:
    2024-01-19
  • 期刊:
  • 影响因子:
    3.700
  • 作者:
    Satoru Hobara;Takashi Osono;Dai Hirose;Kenta Noro;Mitsuru Hirota;Ronald Benner
  • 通讯作者:
    Ronald Benner

Ronald Benner的其他文献

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{{ truncateString('Ronald Benner', 18)}}的其他基金

Collaborative research: Does dissolved organic matter influence the concentrations and distributions of trace elements in the Arctic Ocean?
合作研究:溶解有机物是否影响北冰洋微量元素的浓度和分布?
  • 批准号:
    1504137
  • 财政年份:
    2015
  • 资助金额:
    $ 48.35万
  • 项目类别:
    Standard Grant
The Microbial Carbon Pump and Bacterial Carbon Sequestration in the Ocean
海洋中的微生物碳泵和细菌固碳
  • 批准号:
    1233373
  • 财政年份:
    2012
  • 资助金额:
    $ 48.35万
  • 项目类别:
    Standard Grant
Collaborative Research: Photodegradation of Dissolved Organic Matter and its Contribution to Surface Water CO2 fluxes and the Carbon Cycle in a River Dominated Ocean Margin
合作研究:溶解有机物的光降解及其对地表水二氧化碳通量和以河流为主的海洋边缘碳循环的贡献
  • 批准号:
    0850653
  • 财政年份:
    2009
  • 资助金额:
    $ 48.35万
  • 项目类别:
    Standard Grant
Collaborative Research (ETBC): Climate Warming and Northern Peatland Decomposition, Accumulation and Carbon Sequestration Examined Through Molecular and Paleohydrological Analysis
合作研究(ETBC):通过分子和古水文分析检查气候变暖和北部泥炭地的分解、积累和碳封存
  • 批准号:
    0843417
  • 财政年份:
    2009
  • 资助金额:
    $ 48.35万
  • 项目类别:
    Standard Grant
Collaborative research: Chromophoric dissolved organic matter (CDOM) and lignin phenols as tracers of water masses and biogeochemical processes in the Arctic Ocean
合作研究:发色溶解有机物(CDOM)和木质素酚作为北冰洋水团和生物地球化学过程的示踪剂
  • 批准号:
    0713915
  • 财政年份:
    2007
  • 资助金额:
    $ 48.35万
  • 项目类别:
    Standard Grant
Evolution of Hydrogen-Based Microbial Communities in Deep Hydrothermal Aquifers
深层热液含水层中氢基微生物群落的演化
  • 批准号:
    0310606
  • 财政年份:
    2003
  • 资助金额:
    $ 48.35万
  • 项目类别:
    Standard Grant
Sources, Abundance, and Transformations of Amino Sugars in Marine Organic Matter
海洋有机物中氨基糖的来源、丰度和转化
  • 批准号:
    0080782
  • 财政年份:
    2000
  • 资助金额:
    $ 48.35万
  • 项目类别:
    Continuing Grant
Chemical Characterization and Reactivity of Dissolved Organic Matter in Seawater
海水中溶解有机物的化学特征和反应性
  • 批准号:
    0096102
  • 财政年份:
    1999
  • 资助金额:
    $ 48.35万
  • 项目类别:
    Continuing Grant
What Are the Sources and Significance of Dissolved Organic Carbon and Nutrient Signals Within the Arctic Basin?
北极盆地内溶解有机碳和营养物信号的来源和意义是什么?
  • 批准号:
    9996438
  • 财政年份:
    1999
  • 资助金额:
    $ 48.35万
  • 项目类别:
    Continuing Grant
Characterization of Dissolved Organic Matter in Seawater by Ultrafiltration and Chemical Analysis
通过超滤和化学分析表征海水中溶解的有机物
  • 批准号:
    0096082
  • 财政年份:
    1999
  • 资助金额:
    $ 48.35万
  • 项目类别:
    Continuing Grant

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