Experimental carbonate geochemistry and early diagenesis
实验碳酸盐地球化学和早期成岩作用
基本信息
- 批准号:39679-2013
- 负责人:
- 金额:$ 3.5万
- 依托单位:
- 依托单位国家:加拿大
- 项目类别:Discovery Grants Program - Individual
- 财政年份:2015
- 资助国家:加拿大
- 起止时间:2015-01-01 至 2016-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
My research focuses on the mechanisms and rates of biogeochemical processes in aquatic systems. The approach uses field studies, controlled laboratory experiments, and modeling. My research will be carried out on two fronts: carbonate geochemistry and sediment diagenesis. The two programs are intimately linked since carbonate minerals are common constituents of sediments and widely used as proxies to infer the paleo-environmental conditions and the chemistry of the solutions from which they precipitated.
The surfaces of carbonate minerals are highly reactive and play an important role in determining the mobility of trace elements in a variety of aquatic environments (aquifers, sediments, mine tailings).
The long-term objective is to develop a predictive model of the sorption (adsorption and co-precipitation) behavior and reactivity of carbonate minerals under various environmental conditions. In addition to reactions at "ideal" mineral surfaces, I plan to take a more pragmatic approach and investigate the influence of bacteria on carbonate mineral reaction kinetics and mineralogy. Bacteria are ubiquitous in aquatic environments and can be found on most mineral surfaces, yet, their influence on weathering rates and the mineralogy of carbonate precipitates has not been properly investigated.
Particles that settle through the oceanic water column fuel, participate in, and are subjected to, a number of biogeochemical processes in the sediment. The long-term goal of this research program is to identify factors that control elemental fluxes across the sediment-water interface and better exploit the sedimentary record to infer paleo-environmental conditions. I will focus on the geochemical behaviour of selected redox-sensitive elements (e.g. Fe, Mn, Mo, U, and Re) in sediments, how and how fast they are concentrated or are depleted in sediment under various conditions of oxygenation and how their distribution in the sediment can be used to infer the conditions of past depositional environments.
我的研究主要集中在水生系统的生态地球化学过程的机制和速率。该方法使用现场研究,控制实验室实验和建模。我的研究将在两个方面进行:碳酸盐地球化学和沉积物成岩作用。这两个项目密切相关,因为碳酸盐矿物是沉积物的常见成分,并被广泛用作推断古环境条件和沉淀溶液化学性质的代用品。
碳酸盐矿物的表面具有高度活性,在确定各种水生环境(含水层,沉积物,尾矿)中微量元素的流动性方面发挥着重要作用。
长期目标是建立碳酸盐矿物在各种环境条件下的吸附(吸附和共沉淀)行为和反应性的预测模型。除了在“理想”矿物表面的反应,我计划采取更务实的方法,并调查细菌对碳酸盐矿物反应动力学和矿物学的影响。细菌普遍存在于水生环境中,并且可以在大多数矿物表面上发现,然而,它们对风化速率和碳酸盐沉淀物的矿物学的影响尚未得到适当的研究。
通过海洋水柱燃料沉降的颗粒,参与并受到沉积物中的许多地球化学过程的影响。这项研究计划的长期目标是确定控制沉积物-水界面元素通量的因素,并更好地利用沉积记录来推断古环境条件。我将专注于地球化学行为的选择氧化还原敏感的元素(如铁,锰,钼,U和Re)在沉积物中,如何以及如何快速地集中或耗尽在沉积物中的各种条件下的氧化作用,以及如何在沉积物中的分布可以用来推断过去的沉积环境的条件。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
数据更新时间:{{ journalArticles.updateTime }}
{{
item.title }}
{{ item.translation_title }}
- DOI:
{{ item.doi }} - 发表时间:
{{ item.publish_year }} - 期刊:
- 影响因子:{{ item.factor }}
- 作者:
{{ item.authors }} - 通讯作者:
{{ item.author }}
数据更新时间:{{ journalArticles.updateTime }}
{{ item.title }}
- 作者:
{{ item.author }}
数据更新时间:{{ monograph.updateTime }}
{{ item.title }}
- 作者:
{{ item.author }}
数据更新时间:{{ sciAawards.updateTime }}
{{ item.title }}
- 作者:
{{ item.author }}
数据更新时间:{{ conferencePapers.updateTime }}
{{ item.title }}
- 作者:
{{ item.author }}
数据更新时间:{{ patent.updateTime }}
Mucci, Alfonso其他文献
Preservation of organic matter in sediments promoted by iron
- DOI:
10.1038/nature10855 - 发表时间:
2012-03-08 - 期刊:
- 影响因子:64.8
- 作者:
Lalonde, Karine;Mucci, Alfonso;Gelinas, Yves - 通讯作者:
Gelinas, Yves
Disparate acidification and calcium carbonate desaturation of deep and shallow waters of the Arctic Ocean.
- DOI:
10.1038/ncomms12821 - 发表时间:
2016-09-23 - 期刊:
- 影响因子:16.6
- 作者:
Luo, Yiming;Boudreau, Bernard P.;Mucci, Alfonso - 通讯作者:
Mucci, Alfonso
Kinetics of manganese adsorption, desorption, and oxidation in coastal marine sediments
- DOI:
10.4319/lo.2013.58.3.0987 - 发表时间:
2013-05-01 - 期刊:
- 影响因子:4.5
- 作者:
Richard, Dominique;Sundby, Bjorn;Mucci, Alfonso - 通讯作者:
Mucci, Alfonso
Mechanisms of equilibrium and kinetic oxygen isotope effects in synthetic aragonite at 25 °C
- DOI:
10.1016/j.gca.2006.08.003 - 发表时间:
2006-12-01 - 期刊:
- 影响因子:5
- 作者:
Kim, Sang-Tae;Hillaire-Marcel, Claude;Mucci, Alfonso - 通讯作者:
Mucci, Alfonso
Soluble Mn(III)-L complexes are abundant in oxygenated waters and stabilized by humic ligands
- DOI:
10.1016/j.gca.2016.11.043 - 发表时间:
2017-02-15 - 期刊:
- 影响因子:5
- 作者:
Oldham, Veronique E.;Mucci, Alfonso;Luther, George W., III - 通讯作者:
Luther, George W., III
Mucci, Alfonso的其他文献
{{
item.title }}
{{ item.translation_title }}
- DOI:
{{ item.doi }} - 发表时间:
{{ item.publish_year }} - 期刊:
- 影响因子:{{ item.factor }}
- 作者:
{{ item.authors }} - 通讯作者:
{{ item.author }}
{{ truncateString('Mucci, Alfonso', 18)}}的其他基金
Mechanisms and rate of anthropogenic CO2 uptake in Canadian coastal waters and the response of shallow and deep-ocean carbonate sediments to ocean acidification.
加拿大沿海水域人为二氧化碳吸收的机制和速率以及浅海和深海碳酸盐沉积物对海洋酸化的响应。
- 批准号:
RGPIN-2018-04421 - 财政年份:2022
- 资助金额:
$ 3.5万 - 项目类别:
Discovery Grants Program - Individual
Mechanisms and rate of anthropogenic CO2 uptake in Canadian coastal waters and the response of shallow and deep-ocean carbonate sediments to ocean acidification.
加拿大沿海水域人为二氧化碳吸收的机制和速率以及浅海和深海碳酸盐沉积物对海洋酸化的响应。
- 批准号:
RGPIN-2018-04421 - 财政年份:2021
- 资助金额:
$ 3.5万 - 项目类别:
Discovery Grants Program - Individual
Ocean acidification in Canadian Arctic waters and sediment response to past greehouse periods from pre-and post-Cryogenian deposits preserved in the Yukon
加拿大北极水域的海洋酸化和育空地区保存的成冰期前后沉积物对过去温室时期的沉积物反应
- 批准号:
517982-2018 - 财政年份:2021
- 资助金额:
$ 3.5万 - 项目类别:
Discovery Grants Program - Northern Research Supplement
Mechanisms and rate of anthropogenic CO2 uptake in Canadian coastal waters and the response of shallow and deep-ocean carbonate sediments to ocean acidification.
加拿大沿海水域人为二氧化碳吸收的机制和速率以及浅海和深海碳酸盐沉积物对海洋酸化的响应。
- 批准号:
RGPIN-2018-04421 - 财政年份:2020
- 资助金额:
$ 3.5万 - 项目类别:
Discovery Grants Program - Individual
Ocean acidification in Canadian Arctic waters and sediment response to past greehouse periods from pre-and post-Cryogenian deposits preserved in the Yukon
加拿大北极水域的海洋酸化和育空地区保存的成冰期前后沉积物对过去温室时期的沉积物反应
- 批准号:
517982-2018 - 财政年份:2020
- 资助金额:
$ 3.5万 - 项目类别:
Discovery Grants Program - Northern Research Supplement
Ocean acidification in Canadian Arctic waters and sediment response to past greehouse periods from pre-and post-Cryogenian deposits preserved in the Yukon
加拿大北极水域的海洋酸化和育空地区保存的成冰期前后沉积物对过去温室时期的沉积物反应
- 批准号:
517982-2018 - 财政年份:2019
- 资助金额:
$ 3.5万 - 项目类别:
Discovery Grants Program - Northern Research Supplement
Mechanisms and rate of anthropogenic CO2 uptake in Canadian coastal waters and the response of shallow and deep-ocean carbonate sediments to ocean acidification.
加拿大沿海水域人为二氧化碳吸收的机制和速率以及浅海和深海碳酸盐沉积物对海洋酸化的响应。
- 批准号:
RGPIN-2018-04421 - 财政年份:2019
- 资助金额:
$ 3.5万 - 项目类别:
Discovery Grants Program - Individual
Mechanisms and rate of anthropogenic CO2 uptake in Canadian coastal waters and the response of shallow and deep-ocean carbonate sediments to ocean acidification.
加拿大沿海水域人为二氧化碳吸收的机制和速率以及浅海和深海碳酸盐沉积物对海洋酸化的响应。
- 批准号:
RGPIN-2018-04421 - 财政年份:2018
- 资助金额:
$ 3.5万 - 项目类别:
Discovery Grants Program - Individual
Ocean acidification in Canadian Arctic waters and sediment response to past greehouse periods from pre-and post-Cryogenian deposits preserved in the Yukon
加拿大北极水域的海洋酸化和育空地区保存的成冰期前后沉积物对过去温室时期的沉积物反应
- 批准号:
517982-2018 - 财政年份:2018
- 资助金额:
$ 3.5万 - 项目类别:
Discovery Grants Program - Northern Research Supplement
Experimental carbonate geochemistry and early diagenesis
实验碳酸盐地球化学和早期成岩作用
- 批准号:
39679-2013 - 财政年份:2017
- 资助金额:
$ 3.5万 - 项目类别:
Discovery Grants Program - Individual
相似海外基金
Experimental carbonate geochemistry and early diagenesis
实验碳酸盐地球化学和早期成岩作用
- 批准号:
39679-2013 - 财政年份:2017
- 资助金额:
$ 3.5万 - 项目类别:
Discovery Grants Program - Individual
Experimental carbonate geochemistry and early diagenesis
实验碳酸盐地球化学和早期成岩作用
- 批准号:
39679-2013 - 财政年份:2016
- 资助金额:
$ 3.5万 - 项目类别:
Discovery Grants Program - Individual
Experimental carbonate geochemistry and early diagenesis
实验碳酸盐地球化学和早期成岩作用
- 批准号:
39679-2013 - 财政年份:2014
- 资助金额:
$ 3.5万 - 项目类别:
Discovery Grants Program - Individual
Experimental carbonate geochemistry and early diagenesis
实验碳酸盐地球化学和早期成岩作用
- 批准号:
39679-2013 - 财政年份:2013
- 资助金额:
$ 3.5万 - 项目类别:
Discovery Grants Program - Individual
Experimental carbonate geochemistry and diagenesis
实验碳酸盐岩地球化学和成岩作用
- 批准号:
39679-2008 - 财政年份:2012
- 资助金额:
$ 3.5万 - 项目类别:
Discovery Grants Program - Individual
Experimental carbonate geochemistry and diagenesis
实验碳酸盐岩地球化学和成岩作用
- 批准号:
39679-2008 - 财政年份:2011
- 资助金额:
$ 3.5万 - 项目类别:
Discovery Grants Program - Individual
Experimental carbonate geochemistry and diagenesis
实验碳酸盐岩地球化学和成岩作用
- 批准号:
39679-2008 - 财政年份:2010
- 资助金额:
$ 3.5万 - 项目类别:
Discovery Grants Program - Individual
Experimental carbonate geochemistry and diagenesis
实验碳酸盐岩地球化学和成岩作用
- 批准号:
39679-2008 - 财政年份:2009
- 资助金额:
$ 3.5万 - 项目类别:
Discovery Grants Program - Individual
Experimental carbonate geochemistry and diagenesis
实验碳酸盐岩地球化学和成岩作用
- 批准号:
39679-2008 - 财政年份:2008
- 资助金额:
$ 3.5万 - 项目类别:
Discovery Grants Program - Individual
Experimental carbonate geochemistry and diagensis
实验碳酸盐岩地球化学和成岩作用
- 批准号:
39679-1999 - 财政年份:2002
- 资助金额:
$ 3.5万 - 项目类别:
Discovery Grants Program - Individual