Submarine groundwater discharge impacts on coastal nutrient biogeochemistry

IR Santos, X Chen, AL Lecher, AH Sawyer… - Nature Reviews Earth & …, 2021 - nature.com
Submarine groundwater discharge (SGD) links terrestrial and marine systems, but has often
been overlooked in coastal nutrient budgets because it is difficult to quantify. In this Review …

Groundwater dynamics in subterranean estuaries of coastal unconfined aquifers: Controls on submarine groundwater discharge and chemical inputs to the ocean

CE Robinson, P **n, IR Santos, MA Charette… - Advances in Water …, 2018 - Elsevier
Sustainable coastal resource management requires sound understanding of interactions
between coastal unconfined aquifers and the ocean as these interactions influence the flux …

A state-of-the-art perspective on the characterization of subterranean estuaries at the regional scale

N Moosdorf, ME Böttcher, D Adyasari, E Erkul… - Frontiers in Earth …, 2021 - frontiersin.org
Subterranean estuaries the, subsurface mixing zones of terrestrial groundwater and
seawater, substantially influence solute fluxes to the oceans. Solutes brought by …

Groundwater discharge as a source of dissolved carbon and greenhouse gases in a subtropical estuary

M Sadat-Noori, DT Maher, IR Santos - Estuaries and Coasts, 2016 - Springer
Groundwater may be highly enriched in dissolved carbon species, but its role as a source of
carbon to coastal waters is still poorly constrained. Exports of deep and shallow …

Spatial and temporal variability of CO2 and CH4 gas transfer velocities and quantification of the CH4 microbubble flux in mangrove dominated estuaries

JA Rosentreter, DT Maher, DT Ho… - Limnology and …, 2017 - Wiley Online Library
Gas transfer velocities (k) of CO2 and CH4 were determined from 209 deployments of a
newly designed floating chamber in six mangrove dominated estuaries in Australia and the …

[HTML][HTML] Pristine mangrove creek waters are a sink of nitrous oxide

DT Maher, JZ Sippo, DR Tait, C Holloway… - Scientific Reports, 2016 - nature.com
Nitrous oxide (N 2 O) is an important greenhouse gas, but large uncertainties remain in
global budgets. Mangroves are thought to be a source of N 2 O to the atmosphere in spite of …

Seasonality of methane and carbon dioxide emissions in tropical seagrass and unvegetated ecosystems

V Saderne, AF Dunne, WA Rich, R Cadiz… - … Earth & Environment, 2023 - nature.com
Seagrass ecosystems are important carbon dioxide sinks that can sequester carbon for
centuries as organic matter in sediment. They are also a major source of methane, a potent …

Karstic submarine groundwater discharge into the Mediterranean: radon-based nutrient fluxes in an anchialine cave and a basin-wide upscaling

X Chen, N Cukrov, IR Santos, V Rodellas… - … et cosmochimica acta, 2020 - Elsevier
Anchialine caves are common in Mediterranean karstic shorelines and elsewhere,
delivering point-source fresh groundwater and nutrients to the coastal ocean. Here, we first …

Automated, in situ measurements of dissolved CO2, CH4, and δ13C values using cavity enhanced laser absorption spectrometry: Comparing response times of air …

JR Webb, DT Maher, IR Santos - Limnology and Oceanography …, 2016 - Wiley Online Library
Combining air‐water equilibrators with a field deployable cavity enhanced laser absorption
spectrometer (CELAS) can generate precise, high resolution, measurements of dissolved …

The spatial and temporal drivers of pCO2, pCH4 and gas transfer velocity within a subtropical estuary.

LC Jeffrey, DT Maher, IR Santos, M Call… - Estuarine, Coastal and …, 2018 - Elsevier
Large uncertainties remain in global estuarine CO 2 and CH 4 emissions estimates due to
spatial heterogeneity, differences in methodologies and insufficient data at key locations …