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Coral reefs - sources or sinks of atmospheric CO[sub 2]

Abstract

Because the precipitation of calcium carbonate results in the sequestering of carbon, it frequently has been thought that coral reefs function as sinks of global atmospheric CO[sub 2]. However, the precipitation of calcium carbonate is accompanied by a shift of pH that results in the release of CO[sub 2]. This release of CO[sub 2] is less in buffered sea water than fresh water systems; nevertheless, coral reefs are sources, not sinks, of atmospheric carbon. Using estimated rates of coral reef carbonate production, we compute that coral reefs release 0.02 to 0.08 Gt C as CO[sub 2] annually. This is approximately 0.4% to 1.4% of the current anthropogenic CO[sub 2] production due to fossil fuel combustion.
Authors:
Ware, J R; Smith, S V; Reakakudla, M L [1] 
  1. Hawaii University, Honolulu, HI (USA). Dept. of Oceanography
Publication Date:
Sep 01, 1992
Product Type:
Journal Article
Reference Number:
CLA-93-020203; EDB-93-032975
Resource Relation:
Journal Name: Coral Reefs; (Germany); Journal Volume: 11:3
Subject:
54 ENVIRONMENTAL SCIENCES; CARBON DIOXIDE; EMISSION; REEFS; CALCIUM CARBONATES; CARBON SINKS; CARBON SOURCES; CORALS; SEA LEVEL; ALKALINE EARTH METAL COMPOUNDS; ANIMALS; CALCIUM COMPOUNDS; CARBON COMPOUNDS; CARBON OXIDES; CARBONATES; CHALCOGENIDES; CNIDARIA; COELENTERATA; GEOLOGIC STRUCTURES; INVERTEBRATES; LEVELS; OXIDES; OXYGEN COMPOUNDS; SINKS; 540120* - Environment, Atmospheric- Chemicals Monitoring & Transport- (1990-); 540320 - Environment, Aquatic- Chemicals Monitoring & Transport- (1990-)
OSTI ID:
6764196
Country of Origin:
Germany
Language:
English
Other Identifying Numbers:
Journal ID: ISSN 0722-4028; CODEN: CORFDL
Submitting Site:
CLA
Size:
Pages: 127-130
Announcement Date:
Mar 15, 1993

Citation Formats

Ware, J R, Smith, S V, and Reakakudla, M L. Coral reefs - sources or sinks of atmospheric CO[sub 2]. Germany: N. p., 1992. Web. doi:10.1007/BF00255465.
Ware, J R, Smith, S V, & Reakakudla, M L. Coral reefs - sources or sinks of atmospheric CO[sub 2]. Germany. https://doi.org/10.1007/BF00255465
Ware, J R, Smith, S V, and Reakakudla, M L. 1992. "Coral reefs - sources or sinks of atmospheric CO[sub 2]." Germany. https://doi.org/10.1007/BF00255465.
@misc{etde_6764196,
title = {Coral reefs - sources or sinks of atmospheric CO[sub 2]}
author = {Ware, J R, Smith, S V, and Reakakudla, M L}
abstractNote = {Because the precipitation of calcium carbonate results in the sequestering of carbon, it frequently has been thought that coral reefs function as sinks of global atmospheric CO[sub 2]. However, the precipitation of calcium carbonate is accompanied by a shift of pH that results in the release of CO[sub 2]. This release of CO[sub 2] is less in buffered sea water than fresh water systems; nevertheless, coral reefs are sources, not sinks, of atmospheric carbon. Using estimated rates of coral reef carbonate production, we compute that coral reefs release 0.02 to 0.08 Gt C as CO[sub 2] annually. This is approximately 0.4% to 1.4% of the current anthropogenic CO[sub 2] production due to fossil fuel combustion.}
doi = {10.1007/BF00255465}
journal = []
volume = {11:3}
journal type = {AC}
place = {Germany}
year = {1992}
month = {Sep}
}