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Appears in Collections:Biological and Environmental Sciences Journal Articles
Peer Review Status: Refereed
Title: Anthropogenic-estuarine interactions cause disproportionate greenhouse gas production: A review of the evidence base
Author(s): Brown, Alison M
Bass, Adrian M
Pickard, Amy E
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Keywords: Greenhouse gas
Nitrous oxide
Urban wastewater
Tidal range
River flow
Issue Date: Jan-2022
Date Deposited: 6-Feb-2024
Citation: Brown AM, Bass AM & Pickard AE (2022) Anthropogenic-estuarine interactions cause disproportionate greenhouse gas production: A review of the evidence base. <i>Marine Pollution Bulletin</i>, 174, Art. No.: 113240.
Abstract: Biologically productive regions such as estuaries and coastal areas, even though they only cover a small percentage of the world's oceans, contribute significantly to methane and nitrous oxide emissions. This paper synthesises greenhouse gas data measured in UK estuary studies, highlighting that urban wastewater loading is significantly correlated with both methane (P < 0.001) and nitrous oxide (P < 0.005) concentrations. It demonstrates that specific estuary typologies render them more sensitive to anthropogenic influences on greenhouse gas production, particularly estuaries that experience low oxygen levels due to reduced mixing and stratification or high sediment oxygen demand. Significantly, we find that estuaries with high urban wastewater loading may be hidden sources of greenhouse gases globally. Synthesising available information, a conceptual model for greenhouse gas concentrations in estuaries with different morphologies and mixing regimes is presented. Applications of this model should help identification of estuaries susceptible to anthropogenic impacts and potential hotspots for greenhouse gas emissions.
DOI Link: 10.1016/j.marpolbul.2021.113240
Rights: This is an open access article distributed under the terms of the Creative Commons CC-BY license, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. You are not required to obtain permission to reuse this article. To request permission for a type of use not listed, please contact Elsevier Global Rights Department.
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