project . 2017 - 2022 . Closed

RELEASING DIVALENT CATIONS TO SEQUESTER CARBON ON LAND AND SEA

UK Research and Innovation
  • Funder: UK Research and InnovationProject code: NE/P01982X/1
  • Funded under: NERC Funder Contribution: 894,796 GBP
  • Status: Closed
  • Start Date
    30 Jun 2017
    End Date
    30 Mar 2022
Description
The natural response of the carbon cycle to the warming induced by increased atmospheric CO2 features two negative feedbacks that remove CO2 from the atmosphere. One, caused by the greater acidity of the oceans, is for carbonate minerals to be dissolved, which causes an increase in the ability of seawater to contain carbon (as the bicarbonate ion). The other is for warmer conditions to increase the rate at which silicate minerals dissolve, with the products either precipitated as carbonate minerals, or flowing to the oceans. This silicate weathering also removes CO2 from the atmosphere. Intentional acceleration of these two weathering feedbacks is a potential ap...
Description
The natural response of the carbon cycle to the warming induced by increased atmospheric CO2 features two negative feedbacks that remove CO2 from the atmosphere. One, caused by the greater acidity of the oceans, is for carbonate minerals to be dissolved, which causes an increase in the ability of seawater to contain carbon (as the bicarbonate ion). The other is for warmer conditions to increase the rate at which silicate minerals dissolve, with the products either precipitated as carbonate minerals, or flowing to the oceans. This silicate weathering also removes CO2 from the atmosphere. Intentional acceleration of these two weathering feedbacks is a potential ap...
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