Carbonate chemistry in the Mertz Polynya (East Antarctica): Biological and physical modification of dense water outflows and the export of anthropogenic CO2

EH Shadwick, B Tilbrook… - Journal of Geophysical …, 2014 - Wiley Online Library
Dense shelf water (DSW) is formed in East Antarctica from enhanced sea‐ice production
driven by air‐sea interaction in coastal polynyas. Cross‐shelf export and downslope mixing …

Summer carbonate chemistry in the Dalton Polynya, east Antarctica

MC Arroyo, EH Shadwick… - Journal of Geophysical …, 2019 - Wiley Online Library
The carbonate chemistry in the Dalton Polynya in East Antarctica (115°–123° E) was
investigated in summer 2014/2015 using high‐frequency underway measurements of CO2 …

Strong biological carbon uptake and carbonate chemistry associated with dense shelf water outflows in the Cape Darnley polynya, East Antarctica

K Murakami, D Nomura, G Hashida, S Nakaoka… - Marine Chemistry, 2020 - Elsevier
Formation of dense shelf water (DSW) in coastal polynyas (open water or thin sea-ice cover)
in the sea-ice zone around Antarctica supplies Antarctic Bottom Water (AABW) through …

[HTML][HTML] Dynamics of sea-ice biogeochemistry in the coastal Antarctica during transition from summer to winter

S Shetye, B Jena, R Mohan - Geoscience Frontiers, 2017 - Elsevier
The seasonality of carbon dioxide partial pressure (pCO 2), air-sea CO 2 fluxes and
associated environmental parameters were investigated in the Antarctic coastal waters. The …

A Continental Shelf Pump for CO2 on the Adélie Land Coast, East Antarctica

MC Arroyo, EH Shadwick, B Tilbrook… - Journal of …, 2020 - Wiley Online Library
We quantify the transport of inorganic carbon from the continental shelf to the deep ocean in
Dense Shelf Water (DSW) from the Mertz and Ninnis Polynyas along the Adélie Land coast …

Air‐Sea CO2 Exchange in the Ross Sea, Antarctica

HB DeJong, RB Dunbar - Journal of Geophysical Research …, 2017 - Wiley Online Library
Abstract Although the Ross Sea is one of the most productive regions in Antarctica, it is not
clear to what extent this region is an atmospheric CO2 sink. We calculate instantaneous …

Antarctic Bottom Water production by intense sea-ice formation in the Cape Darnley polynya

KI Ohshima, Y Fukamachi, GD Williams, S Nihashi… - Nature …, 2013 - nature.com
Abstract The formation of Antarctic Bottom Water—the cold, dense water that occupies the
abyssal layer of the global ocean—is a key process in global ocean circulation. This water …

Spatial variability and temporal dynamics of surface water pCO2, ΔO2/Ar and dimethylsulfide in the Ross Sea, Antarctica

PD Tortell, C Guéguen, MC Long, CD Payne… - Deep Sea Research …, 2011 - Elsevier
We report results from two surveys of pCO2, biological O2 saturation (ΔO2/Ar) and
dimethylsulfide (DMS) in surface waters of the Ross Sea polynya. Measurements were …

Spatial distribution of pCO2, ΔO2/Ar and dimethylsulfide (DMS) in polynya waters and the sea ice zone of the Amundsen Sea, Antarctica

PD Tortell, MC Long, CD Payne, AC Alderkamp… - Deep Sea Research …, 2012 - Elsevier
We report the first simultaneous measurements of surface water pCO2, biological oxygen
saturation (ΔO2/Ar) and dimethylsulfide (DMS) concentrations in polynya waters and the sea …

Biogeochemical regimes, net community production and carbon export in the Ross Sea, Antarctica

C Sweeney, DA Hansell, CA Carlson… - Deep Sea Research …, 2000 - Elsevier
The net community production (NCP) of the Ross Sea, from the early austral spring (mid-
October) to the austral summer (mid-February), has been estimated from the seasonal …