Effect of potential CO2 leakage from carbon capture and storage sites on soil and leachate chemistry

Moonis, Mohammad; He, Wenmei; Kim, Youjin; Yoo, Gayoung

doi:10.1007/s12205-016-1867-5

Cited by 9 publications

(3 citation statements)

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“…Reduced HWC in mineral soil of the CG treatment could be related to the high soil CO 2 concentration (Table 5). Moonis et al (2017) reported that soil CO 2 injection increased exchangeable Al 3+ of mineral soil, which would be strong bound with dissolved C molecules. The resulting Al 3+ -C complexes could be absorbed on the soil surface, producing reduced water-extractable C. Reduced soil microbial enzyme activity of AP in the CG and NG (Table 5), which is involved in cleaving phosphoester bonds, could be related to the decreased TP contents of the leaves in those treatments (Table 4).…”

Section: Discussionmentioning

confidence: 99%

“…In this experiment, soil pH in the CG treatment (7.0) was lower than in BG and NG (pH = 7.4 on average) (Table 2), but the difference was only 0.4, which is within the optimal range for grape growth. The possible reason for such a slight change in soil pH despite CO 2 gassing, which could lead to formation of weak acid (H 2 CO 3 ) and release of H + (Wei, Maroto-Valer & Steven, 2011; Moonis et al, 2017; Zhao et al, 2017), could be the high buffering capacity of the potting soil and plants’ indirect effects. Our results were consistent with those of Lake et al (2013), who reported that beetroots were not significantly affected by N 2 gas treatment at O 2 concentration of 8.7%.…”

Section: Discussionmentioning

confidence: 99%

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Impact assessment of high soil CO₂on plant growth and soil environment: a greenhouse study

Yoo

Moonis

et al. 2019

PeerJ

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To ensure the safety of carbon capture and storage (CCS) technology, insight into the potential impacts of CO2 leakage on the ecosystem is necessary. We conducted a greenhouse experiment to investigate the effects of high soil CO2 on plant growth and the soil environment. Treatments comprised 99.99% CO2 injection (CG), 99.99% N2injection (NG), and no injection (BG). NG treatment was employed to differentiate the effects of O2 depletion from those of CO2 enrichment. Soil CO2 and O2 concentrations were maintained at an average of 53% and 11%, respectively, under CG treatment. We verified that high soil CO2 had negative effects on root water absorption, chlorophyll, starch content and total biomass. Soil microbial acid phosphatase activity was affected by CG treatment. These negative effects were attributed to high soil CO2 instead of low O2 or low pH. Our results indicate that high soil CO2 affected the root system, which in turn triggered further changes in aboveground plant tissues and rhizospheric soil water conditions. A conceptual diagram of CO2 toxicity to plants and soil is suggested to act as a useful guideline for impact assessment of CCS technology.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Impact assessment of high soil CO₂on plant growth and soil environment: a greenhouse study

Yoo

Moonis

et al. 2019

PeerJ

Self Cite

View full text Add to dashboard Cite

show abstract

“…Reduced HWC in mineral soil of the CG treatment could be related to the high soil CO 2 concentration (Table 5). Moonis et al (2017) reported that soil CO 2 injection increased exchangeable Al 3+ of mineral soil, which would be strong bound with dissolved C molecules. The resulting Al 3+ -C complexes could be absorbed on the soil surface, producing reduced waterextractable C. Reduced soil microbial enzyme activity of AP in the CG and NG (Table 5), which is involved in cleaving phosphoester bonds, could be related to the decreased TP contents of the leaves in those treatments (Table 4).…”

Section: Discussionmentioning

confidence: 99%

Peer Review #1 of "Impact assessment of high soil CO2 on plant growth and soil environment: a greenhouse study (v0.2)"

2019

View full text Add to dashboard Cite

To ensure the safety of carbon capture and storage (CCS) technology, insight into the potential impacts of CO 2 leakage on the ecosystem is necessary. We conducted a greenhouse experiment to investigate the effects of high soil CO 2 on plant growth and the soil environment. Treatments comprised 99.99% CO 2 injection (CG), 99.99% N 2 injection (NG), and no injection (BG). NG treatment was employed to differentiate the effects of O 2 depletion from those of CO 2 enrichment. Soil CO 2 and O 2 concentrations were maintained at an average of 53% and 11%, respectively, under CG treatment. We verified that high soil CO 2 had negative effects on root water absorption, chlorophyll, starch content and total biomass. Soil microbial acid phosphatase activity was affected by CG treatment. These negative effects were attributed to high soil CO 2 instead of low O 2 or low pH. Our results indicate that high soil CO 2 affected the root system, which in turn triggered further changes in aboveground plant tissues and rhizospheric soil water conditions. A conceptual diagram of CO 2 toxicity to plants and soil is suggested to act as a useful guideline for impact assessment of CCS technology.

show abstract

Potential CO2 intrusion in near-surface environments: a review of current research approaches to geochemical processes

Derakhshan-Nejad

Sun

Yun

et al. 2019

Environ Geochem Health

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Effect of potential CO2 leakage from carbon capture and storage sites on soil and leachate chemistry

Cited by 9 publications

References 50 publications

Impact assessment of high soil CO₂on plant growth and soil environment: a greenhouse study

Impact assessment of high soil CO₂on plant growth and soil environment: a greenhouse study

Peer Review #1 of "Impact assessment of high soil CO2 on plant growth and soil environment: a greenhouse study (v0.2)"

Potential CO2 intrusion in near-surface environments: a review of current research approaches to geochemical processes

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Effect of potential CO2 leakage from carbon capture and storage sites on soil and leachate chemistry

Cited by 9 publications

References 50 publications

Impact assessment of high soil CO2on plant growth and soil environment: a greenhouse study

Impact assessment of high soil CO2on plant growth and soil environment: a greenhouse study

Peer Review #1 of "Impact assessment of high soil CO2 on plant growth and soil environment: a greenhouse study (v0.2)"

Potential CO2 intrusion in near-surface environments: a review of current research approaches to geochemical processes

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Product

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Impact assessment of high soil CO₂on plant growth and soil environment: a greenhouse study

Impact assessment of high soil CO₂on plant growth and soil environment: a greenhouse study