Lipid biogeochemistry and modern lipidomic techniques

BR Edwards - Annual Review of Marine Science, 2023 - annualreviews.org
Lipids are structurally diverse biomolecules that serve multiple roles in cells. As such, they
are used as biomarkers in the modern ocean and as paleoproxies to explore the geological …

Open-Ocean Minima in δ13C Values of Particulate Organic Carbon in the Lower Euphotic Zone

HG Close, LC Henderson - Frontiers in Marine Science, 2020 - frontiersin.org
Extensive studies in the 1980s–1990s led to the characterization of latitudinal variations in
sea surface δ13C values of particulate organic carbon (δ13CPOC), and relationships were …

Microbial dietary preference and interactions affect the export of lipids to the deep ocean

L Behrendt, U Alcolombri, JE Hunter, S Smriga… - Science, 2024 - science.org
Lipids comprise a significant fraction of sinking organic matter in the ocean and play a
crucial role in the carbon cycle. Despite this, our understanding of the processes that control …

Distinguishing zooplankton fecal pellets as a component of the biological pump using compound‐specific isotope analysis of amino acids

SC Doherty, AE Maas, DK Steinberg… - Limnology and …, 2021 - Wiley Online Library
Zooplankton contribute a major component of the vertical flux of particulate organic matter to
the ocean interior by packaging consumed food and waste into large, dense fecal pellets …

The protist community traces seasonality and mesoscale hydrographic features in the oligotrophic Sargasso Sea

L Blanco-Bercial, R Parsons, LM Bolaños… - Frontiers in Marine …, 2022 - frontiersin.org
Protists represent the majority of the eukaryotic diversity in the oceans. They have different
functions in the marine food web, playing essential roles in the biogeochemical cycles …

Variable carbon isotope fractionation of photosynthetic communities over depth in an open-ocean euphotic zone

LC Henderson, F Wittmers… - Proceedings of the …, 2024 - National Acad Sciences
Marine particulate organic carbon (POC) contributes to carbon export, food webs, and
sediments, but uncertainties remain in its origins. Globally, variations in stable carbon …

Occurrence, sources and water column distribution trends of suspended particle-associated aliphatic and polycyclic aromatic hydrocarbons in the open northeastern …

C Parinos, E Skylaki, I Hatzianestis, A Gogou - Science of The Total …, 2024 - Elsevier
Herein, we study the occurrence and water column distribution trends of suspended particle-
associated aliphatic (AHCs) and polycyclic aromatic hydrocarbons (PAHs) collected from 36 …

Particulate Mueller matrix polarimetry

J Li, R Liao, C Guan, H Wang, Z Zhuo, Y Zeng… - Optics & Laser …, 2023 - Elsevier
Probing the suspended particles in natural water is significant for environmental monitoring
and ecological research, such as early warning of water blooms and assessment of water …

Influence of the Amazon River on the composition of particulate organic carbon in the western tropical Atlantic Ocean

GSA Utsumi, D He, WM Berelson, RM Castelao… - … et Cosmochimica Acta, 2024 - Elsevier
Abstract The Amazon River exports∼ 13.7 Tg yr− 1 of particulate organic carbon (POC) to
the ocean, a portion of which is transported vertically through the water column. Here, we …

Hurricanes enhance labile carbon export to the deep ocean

R Pedrosa‐Pàmies, MH Conte… - Geophysical …, 2019 - Wiley Online Library
Tropical cyclones (hurricanes) generate intense surface ocean cooling and vertical mixing
resulting in nutrient upwelling into the photic zone and episodic phytoplankton blooms …