Impacts of global change on ocean dissolved organic carbon (DOC) cycling

C Lønborg, C Carreira, T Jickells… - Frontiers in Marine …, 2020‏ - frontiersin.org
The marine dissolved organic carbon (DOC) pool is an important player in the functioning of
marine ecosystems. DOC is at the interface between the chemical and the biological worlds …

The role of biota in the Southern Ocean carbon cycle

PW Boyd, KR Arrigo, M Ardyna, S Halfter… - Nature Reviews Earth & …, 2024‏ - nature.com
Abstract The Southern Ocean, although relatively understudied owing to its harsh
environment and geographical isolation, has been shown to contribute substantially to …

Role of sea ice in global biogeochemical cycles: emerging views and challenges

M Vancoppenolle, KM Meiners, C Michel… - Quaternary science …, 2013‏ - Elsevier
Observations from the last decade suggest an important role of sea ice in the global
biogeochemical cycles, promoted by (i) active biological and chemical processes within the …

Iron in sea ice: Review and new insights

D Lannuzel, M Vancoppenolle, P van Der Merwe… - …, 2016‏ - online.ucpress.edu
The discovery that melting sea ice can fertilize iron (Fe)-depleted polar waters has recently
fostered trace metal research efforts in sea ice. The aim of this review is to summarize and …

Underlying mechanisms governing on distribution and stratification of DOM during seasonal freeze-thaw cycles

W Feng, Y Deng, F Yang, T Li, F Wang, Q Zhang… - Science of The Total …, 2024‏ - Elsevier
During the freeze-thaw cycles of ice-covered lakes, DOM undergoes a series of
transformations including enrichment, dispersion, and filtration. However, the mechanisms …

Sea ice microorganisms: Environmental constraints and extracellular responses

M Ewert, JW Deming - Biology, 2013‏ - mdpi.com
Inherent to sea ice, like other high latitude environments, is the strong seasonality driven by
changes in insolation throughout the year. Sea-ice organisms are exposed to shifting …

Antarctic sea ice region as a source of biogenic organic nitrogen in aerosols

M Dall'Osto, J Ovadnevaite, M Paglione… - Scientific reports, 2017‏ - nature.com
Climate warming affects the development and distribution of sea ice, but at present the
evidence of polar ecosystem feedbacks on climate through changes in the atmosphere is …

Using fluorescence to characterize dissolved organic matter in Antarctic sea ice brines

CA Stedmon, DN Thomas… - Journal of …, 2011‏ - Wiley Online Library
Sea ice plays a dynamic role in the air‐sea exchange of CO2. In addition to abiotic inorganic
carbon fluxes, an active microbial community produces and remineralizes organic carbon …

Changing phytoplankton phenology in the marginal ice zone west of the Antarctic Peninsula

JS Turner, H Dierssen, O Schofield, HH Kim… - Marine Ecology …, 2024‏ - int-res.com
Climate change is altering global ocean phenology, the timing of annually occurring
biological events. We examined the changing phenology of the phytoplankton accumulation …

Organics in environmental ices: sources, chemistry, and impacts

VF McNeill, AM Grannas, JPD Abbatt… - Atmospheric …, 2012‏ - acp.copernicus.org
The physical, chemical, and biological processes involving organics in ice in the
environment impact a number of atmospheric and biogeochemical cycles. Organic material …