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Groundwater research in mangrove coastal ecosystems—new prospects
Book chapter

Groundwater research in mangrove coastal ecosystems—new prospects

Paul Mackin, Judith A Rosentreter, Virni B Arifanti and I. Gusti Ngurah Agung Suryaputra
Dynamic Sedimentary Environments of Mangrove Coasts, pp.67-81
Elsevier, 1st
2021
DOI: https://doi.org/10.1016/B978-0-12-816437-2.00010-0

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Abstract

Ecology, environment Life Sciences Groundwater Mangrove forests Mangrove hydrology Porewater Randon Remoe sensing SGD
Submarine groundwater discharge (SGD) and/or porewater exchange is a major pathway of inorganic and organic carbon fluxes in coastal mangrove ecosystems. We provide a comprehensive overview of groundwater research in mangrove ecosystems by 1) briefly describing “what is SGD?”; 2) by explaining and highlighting the importance of tidal exchange of groundwater and/or porewater with surface water in mangrove forests and other adjacent coastal systems; and 3) by discussing the impacts of mangrove deforestation and the land conversion from mangroves to aquaculture ponds and urban settlements on the local coastal hydrogeology (groundwater hydrology). We then summarize currently available methods that have been successfully used to measure groundwater in scientific studies—with a focus on natural groundwater tracers (radon and temperature) and remote sensing technology (e.g., aerial thermal infrared imagery (ATI)). Furthermore, we provide suggestions for future larger-scale and efficient monitoring options in the context of changing hydrogeological conditions in mangrove ecosystems, based on the thermal anomalies of SGD and other coastal hydrological processes.

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