Submarine Groundwater Discharge Releases CO2 to a Coral Reef

Submarine groundwater discharge (SGD) flows into coral reefs. In volcanically active areas; the incoming groundwater is typically CO2-rich which can alter the carbon balance and views on how coral reefs function at prevailing high CO2. We quantified dynamic hydrothermal SGD and CO2 fluxes to a Phili...

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Main Authors: Correa, Rogger E, Cardenas, M. Bayani, Rodolfo, Raymond S, Lapus, Mark R, Davis, Kay L, Giles, Anna B, Fullon, Jose C, Hajati, Mithra-Christin, Mossdorf, Nils, Sanders, Christian J, Santos, Isaac R
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Published: Archīum Ateneo 2021
Subjects:
CO2
Online Access:https://archium.ateneo.edu/es-faculty-pubs/70
https://pubs.acs.org/doi/10.1021/acsestwater.1c00104
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Institution: Ateneo De Manila University
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spelling ph-ateneo-arc.es-faculty-pubs-10682022-01-31T08:47:15Z Submarine Groundwater Discharge Releases CO2 to a Coral Reef Correa, Rogger E Cardenas, M. Bayani Rodolfo, Raymond S Lapus, Mark R Davis, Kay L Giles, Anna B Fullon, Jose C Hajati, Mithra-Christin Mossdorf, Nils Sanders, Christian J Santos, Isaac R Submarine groundwater discharge (SGD) flows into coral reefs. In volcanically active areas; the incoming groundwater is typically CO2-rich which can alter the carbon balance and views on how coral reefs function at prevailing high CO2. We quantified dynamic hydrothermal SGD and CO2 fluxes to a Philippine coral reef over a spring-neap tidal cycle. SGD rates; with mean of 35 cm d−1 and 5−95% range of 0−147.8 cm d−1 . The groundwater-CO2 fluxes (266 mmol m d−1; range: 0−1111 mmol m2 d−1) were up to ∼300-fold larger than evasion of CO2 to the atmosphere. The reef seawater pCO2 (493 μatm; range: 421−680 μatm) remained above atmospheric values and spanned the upper end of the range of atmospheric levels (400−500 μatm) expected for the next century. Because of the hydrothermal SGD; the reef has prevailing above-atmospheric CO2 and is a source to the atmosphere and nearby waters. 2021-08-04T07:00:00Z text https://archium.ateneo.edu/es-faculty-pubs/70 https://pubs.acs.org/doi/10.1021/acsestwater.1c00104 Environmental Science Faculty Publications Archīum Ateneo Submarine Groundwater Discharge CO2 carbon dioxide Coral Reef radon Philippines Environmental Sciences Oceanography and Atmospheric Sciences and Meteorology
institution Ateneo De Manila University
building Ateneo De Manila University Library
continent Asia
country Philippines
Philippines
content_provider Ateneo De Manila University Library
collection archium.Ateneo Institutional Repository
topic Submarine Groundwater Discharge
CO2
carbon dioxide
Coral Reef
radon
Philippines
Environmental Sciences
Oceanography and Atmospheric Sciences and Meteorology
spellingShingle Submarine Groundwater Discharge
CO2
carbon dioxide
Coral Reef
radon
Philippines
Environmental Sciences
Oceanography and Atmospheric Sciences and Meteorology
Correa, Rogger E
Cardenas, M. Bayani
Rodolfo, Raymond S
Lapus, Mark R
Davis, Kay L
Giles, Anna B
Fullon, Jose C
Hajati, Mithra-Christin
Mossdorf, Nils
Sanders, Christian J
Santos, Isaac R
Submarine Groundwater Discharge Releases CO2 to a Coral Reef
description Submarine groundwater discharge (SGD) flows into coral reefs. In volcanically active areas; the incoming groundwater is typically CO2-rich which can alter the carbon balance and views on how coral reefs function at prevailing high CO2. We quantified dynamic hydrothermal SGD and CO2 fluxes to a Philippine coral reef over a spring-neap tidal cycle. SGD rates; with mean of 35 cm d−1 and 5−95% range of 0−147.8 cm d−1 . The groundwater-CO2 fluxes (266 mmol m d−1; range: 0−1111 mmol m2 d−1) were up to ∼300-fold larger than evasion of CO2 to the atmosphere. The reef seawater pCO2 (493 μatm; range: 421−680 μatm) remained above atmospheric values and spanned the upper end of the range of atmospheric levels (400−500 μatm) expected for the next century. Because of the hydrothermal SGD; the reef has prevailing above-atmospheric CO2 and is a source to the atmosphere and nearby waters.
format text
author Correa, Rogger E
Cardenas, M. Bayani
Rodolfo, Raymond S
Lapus, Mark R
Davis, Kay L
Giles, Anna B
Fullon, Jose C
Hajati, Mithra-Christin
Mossdorf, Nils
Sanders, Christian J
Santos, Isaac R
author_facet Correa, Rogger E
Cardenas, M. Bayani
Rodolfo, Raymond S
Lapus, Mark R
Davis, Kay L
Giles, Anna B
Fullon, Jose C
Hajati, Mithra-Christin
Mossdorf, Nils
Sanders, Christian J
Santos, Isaac R
author_sort Correa, Rogger E
title Submarine Groundwater Discharge Releases CO2 to a Coral Reef
title_short Submarine Groundwater Discharge Releases CO2 to a Coral Reef
title_full Submarine Groundwater Discharge Releases CO2 to a Coral Reef
title_fullStr Submarine Groundwater Discharge Releases CO2 to a Coral Reef
title_full_unstemmed Submarine Groundwater Discharge Releases CO2 to a Coral Reef
title_sort submarine groundwater discharge releases co2 to a coral reef
publisher Archīum Ateneo
publishDate 2021
url https://archium.ateneo.edu/es-faculty-pubs/70
https://pubs.acs.org/doi/10.1021/acsestwater.1c00104
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