Aerobic oxidation of methane significantly reduces global diffusive methane emissions from shallow marine waters

SH Mao, HH Zhang, GC Zhuang, XJ Li, Q Liu… - Nature …, 2022 - nature.com
Methane is supersaturated in surface seawater and shallow coastal waters dominate global
ocean methane emissions to the atmosphere. Aerobic methane oxidation (MOx) can reduce …

Microplastics in sea ice and seawater beneath ice floes from the Arctic Ocean

LDK Kanhai, K Gardfeldt, T Krumpen, RC Thompson… - Scientific reports, 2020 - nature.com
Within the past decade, an alarm was raised about microplastics in the remote and
seemingly pristine Arctic Ocean. To gain further insight about the issue, microplastic …

Eastern Arabian Sea CO2 outgassing during the last deglaciation and Holocene related to deep-water carbonate chemistry

SN Naik, SS Naik, Y Rosenthal, V Clementi - Quaternary Science Reviews, 2023 - Elsevier
Glacial to interglacial changes in atmospheric CO 2 are an intriguing part of carbon
reorganization in the climate system and are estimated by investigating deep-water …

[HTML][HTML] Re-assessing the influence of particle-hosted sulphide precipitation on the marine cadmium cycle

GF de Souza, D Vance, M Sieber, TM Conway… - … et Cosmochimica Acta, 2022 - Elsevier
It has been inferred that the marine distributions of the micronutrient cadmium (Cd) and its
stable isotope composition (expressed as δ 114 Cd) bear widespread and unambiguous …

Methylphosphonate-driven methane formation and its link to primary production in the oligotrophic North Atlantic

JN von Arx, AT Kidane, M Philippi, W Mohr… - Nature …, 2023 - nature.com
Methylphosphonate is an organic phosphorus compound used by microorganisms when
phosphate, a key nutrient limiting growth in most marine surface waters, becomes …

Brown carbon from biomass burning imposes strong circum-Arctic warming

S Yue, J Zhu, S Chen, Q Xie, W Li, L Li, H Ren, S Su… - One Earth, 2022 - cell.com
Rapid warming in the Arctic has a huge impact on the global environment. Atmospheric
brown carbon (BrC) is one of the least understood and uncertain warming agents due to a …

[HTML][HTML] Inorganic carbon and nutrient dynamics in the marginal ice zone of the Barents Sea: Seasonality and implications for ocean acidification

EM Jones, M Chierici, A Fransson, KM Assmann… - Progress in …, 2023 - Elsevier
Abstract The Barents Sea is a productive Arctic shelf sea experiencing Atlantification with
ocean warming, sea ice loss and increased influence of Atlantic Water. The impact of these …

Geochemical controls on the distribution and bioavailability of heavy metals in sediments from Yangtze River to the East China Sea: assessed by sequential extraction …

Y Liang, R Wang, GD Sheng, L Pan, E Lian… - Journal of Hazardous …, 2023 - Elsevier
This study conducted a comprehensive investigation on the distribution and bioavailability of
heavy metals (Cr, Co, Ni, Cu, Zn, Cd and Pb) in sediments along two typical transects from …

Mercury isotope evidence for Arctic summertime re-emission of mercury from the cryosphere

BF Araujo, S Osterwalder, N Szponar, D Lee… - Nature …, 2022 - nature.com
During Arctic springtime, halogen radicals oxidize atmospheric elemental mercury (Hg0),
which deposits to the cryosphere. This is followed by a summertime atmospheric Hg0 peak …

Determination of dissolved organic carbon and total dissolved nitrogen in seawater using High Temperature Combustion Analysis

E Halewood, K Opalk, L Custals, M Carey… - Frontiers in Marine …, 2022 - frontiersin.org
This document describes best practices for analysis of dissolved organic matter (dissolved
organic carbon and total dissolved nitrogen) in seawater samples. Included are SOPs for …