Results 21 to 30 of about 1,202 (255)

Earth system responses to carbon dioxide removal as exemplified by ocean alkalinity enhancement: tradeoffs and lags

open access: yesEnvironmental Research Letters
Carbon dioxide removal (CDR) is discussed for offsetting residual greenhouse gas emissions or even reversing climate change. All emissions scenarios of the Intergovernmental Panel on Climate Change that meet the ‘well below 2 °C’ warming target of the ...
Aurich Jeltsch-Thömmes   +5 more
doaj   +2 more sources

Ocean alkalinity enhancement in an open-ocean ecosystem: biogeochemical responses and carbon storage durability [PDF]

open access: yesBiogeosciences
Ocean alkalinity enhancement (OAE) is considered for the long-term removal of gigatonnes of carbon dioxide (CO2) from the atmosphere to achieve our climate goals.
A. J. Paul   +7 more
doaj   +4 more sources

Carbon dioxide removal efficiency of iron and steel slag in seawater via ocean alkalinity enhancement

open access: yesFrontiers in Climate
Ocean alkalinity enhancement (OAE) via the enhanced weathering of alkaline minerals is a promising carbon dioxide removal (CDR) technology. Theoretically, these includes iron and steel slags, although their dissolution kinetics in seawater are unknown ...
Charly A. Moras   +4 more
doaj   +3 more sources

Phytoplankton response to increased nickel in the context of ocean alkalinity enhancement [PDF]

open access: yesBiogeosciences, 2023
Ocean alkalinity enhancement (OAE) is considered one of the most promising approaches to actively remove carbon dioxide (CO2) from the atmosphere by accelerating the natural process of rock weathering.
X. Xin, G. Faucher, U. Riebesell
doaj   +4 more sources

Prey dynamics as a buffer: enhancing copepod resilience to ocean alkalinity enhancement

open access: yesEnvironmental Research Letters
Ocean alkalinity enhancement (OAE) aims to counteract climate change by increasing the ocean’s carbon storage capacity through the addition of alkaline substances into seawater. However, this process alters seawater chemistry, increasing total alkalinity
Amrita Bhaumik   +4 more
doaj   +3 more sources

Electrochemical ocean iron fertilization and alkalinity enhancement approach toward CO2 sequestration [PDF]

open access: yesnpj Ocean Sustainability
Achieving net-zero emissions by 2050 requires the development of effective negative emission techniques, including ocean-based approaches for CO2 sequestration. However, the implementation and testing of marine CO2 removal (mCDR) techniques such as ocean
Amir Taqieddin   +4 more
doaj   +2 more sources

Marine Anoxia and Ocean Acidification During the End‐Permian Extinction

open access: yesGeophysical Monograph Series, Page 325-340., 2021

Exploring the links between Large Igneous Provinces and dramatic environmental impact

An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Ying Cui   +4 more
wiley  

+6 more sources

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