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Cryptic drivers of methane and carbon dioxide emissions from disturbed coastal wetlands
Thesis   Open access

Cryptic drivers of methane and carbon dioxide emissions from disturbed coastal wetlands

Southern Cross University
Doctor of Philosophy (PhD), Southern Cross University
2020
DOI:
https://doi.org/10.25918/thesis.50
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Abstract

Wetlands Estuaries Radon Methane Carbon dioxide Groundwater Mangroves Carbon cycle Climate change Greenhouse gases Blue carbon Rivers Hydrology Coastal biogeochemistry Atmosphere Urbanisation Anthropogenic impact Geochemistry
Coastal wetlands represent important biogeochemical hotspots for carbon cycling and greenhouse gas (GHG) production. Large uncertainties remain in both the global wetland GHG emissions budgets, due to spatial and temporal heterogeneity, insufficient global data and previously unknown sources. This thesis resolves some of the complexities surrounding key GHG emissions and drivers, from a range of disturbed coastal wetland ecosystems. By utilising novel methods, capturing high temporal and spatial resolution data, and uncovering cryptic un-accounted for emissions pathways, this thesis represents an important contribution to the global carbon budgets from previously understudied southern hemisphere systems.

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