Biogeochemical cycles

Larsen-C Benthos

On 12 July 2017, the Larsen-C Ice Shelf calved one of the largest iceberg originating from the Antarctic Peninsula ever recorded. As iceberg A68 moves north, it leaves behind an …

Scotia Sea open-ocean biological laboratories

Sustained ocean observing programme

Antarctic Seabed Carbon Capture Change

The ASCCC Project has been funded by ACE (Antarctic Circumnavigation Expedition) to investigate, quantify and understand the role of polar and subpolar seabeds in the carbon cycle, particularly in response …

Respiration of mesopelagic fish: a comparison of respiratory electron transport system (ETS) measurements and allometrically calculated rates in the Southern Ocean and Benguela Current

14 September, 2020

On the microphysical processing of aged combustion aerosols impacting warm rain microphysics over Asian megacities

1 January, 2020

The importance of Antarctic krill in biogeochemical cycles

18 October, 2019

Influence of sea‐ice‐derived halogens on atmospheric HOx as observed in springtime coastal Antarctica

30 August, 2019

From observation to information and users: The Copernicus Marine Service perspective

22 May, 2019

Very strong atmospheric methane growth in the four years 2014 – 2017: Implications for the Paris Agreement

1 March, 2019

Krill faecal pellets drive hidden pulses of particulate organic carbon in the marginal ice zone

21 February, 2019

Extreme spikes in DMS flux double estimates of biogenic sulfur export from the Antarctic coastal zone to the atmosphere

19 February, 2019

Microbial activity monitoring by the Integrated Arctic Earth Observing System (MamSIOS)

1 January, 2019

Holocene fire activity during low-natural flammability periods reveals scale-dependent cultural human-fire relationships in Europe

1 December, 2018

Acantharian cysts: high flux occurrence in the bathypelagic zone of the Scotia Sea, Southern Ocean

25 June, 2018

Evidences of strong sources of DFe and DMn in Ryder Bay, Western Antarctic Peninsula

1 June, 2018

Macronutrient and carbon supply, uptake and cycling across the Antarctic Peninsula shelf during summer

1 June, 2018

A “shallow bathtub ring” of local sedimentary iron input maintains the Palmer Deep biological hotspot on the West Antarctic Peninsula shelf

1 June, 2018

Modelling the physical multiphase interactions of HNO3 between snow and air on the Antarctic Plateau (Dome C) and coast (Halley)

2 February, 2018

Real time detection of airborne fluorescent bioparticles in Antarctica

1 December, 2017

Macronutrient supply, uptake and recycling in the coastal ocean of the west Antarctic Peninsula

1 May, 2017

Multi-model study of mercury dispersion in the atmosphere: atmospheric processes and model evaluation

24 April, 2017

Sensitivity model study of regional mercury dispersion in the atmosphere

13 January, 2017

Climate forcing for dynamics of dissolved inorganic nutrients at Palmer Station, Antarctica: An interdecadal (1993-2013) analysis

1 September, 2016

Chemical cycling and deposition of atmospheric mercury in Polar Regions: review of recent measurements and comparison with models

30 August, 2016

The influence of Southern Ocean winds on the North Atlantic carbon sink

1 June, 2016

Surface greenhouse gas fluxes downwind of a penguin colony in the maritime sub-Antarctic

1 December, 2015

IMBER – Research for marine sustainability: Synthesis and the way forward

1 December, 2015

European and Mediterranean mercury modelling: local and long-range contributions to the deposition flux

1 September, 2015

Global warming caused by afforestation in the Southern Hemisphere

1 May, 2015

Model study of global mercury deposition from biomass burning

1 April, 2015

Antarctic-wide array of high-resolution ice core records reveals pervasive lead pollution began in 1889 and persists today

28 July, 2014

The atmospheric HCHO budget at Dumont d’Urville (East Antarctica): Contribution of photochemical gas-phase production versus snow emissions

12 December, 2013

Air–snow transfer of nitrate on the East Antarctic Plateau – Part 1: Isotopic evidence for a photolytically driven dynamic equilibrium in summer

1 July, 2013

Primary production export flux in Marguerite Bay (Antarctic Peninsula): Linking upper water-column production to sediment trap flux

1 May, 2013

Microbial control of bromocarbon concentrations in coastal waters of the western Antarctic Peninsula

20 April, 2013

Chemical signals of past climate and environment from polar ice cores and firn air

1 January, 2012

The Carrington event not observed in most ice core nitrate records

1 January, 2012

Autocorrelation characteristics of the surface ocean pCO2 and air-sea CO2 fluxes

1 January, 2012

Climate-induced change in biogenic bromine emissions from the Antarctic marine biosphere

1 January, 2012

Factors influencing the stable carbon isotopic composition of suspended and sinking organic matter in the coastal Antarctic sea ice environment

1 January, 2012

Halogen activation via interactions with environmental ice and snow in the polar lower troposphere and other regions

1 January, 2012

A model study of the seasonal and long-term North Atlantic surface pCO2 variability

1 January, 2012

Energy and ozone fluxes over sea ice

1 January, 2012

Soil- and enantiomer-specific metabolism of amino acids and their peptides by Antarctic soil microorganisms

1 January, 2011

Acquisition and assimilation of nitrogen as peptide-bound and D-enantiomers of amino acids by wheat

1 January, 2011

Vascular plant success in a warming Antarctic may be due to efficient nitrogen acquisition

1 January, 2011

Economic value of improved quantification in global sources and sinks of carbon dioxide

1 January, 2011

An international effort to quantify regional carbon fluxes

1 January, 2011

The Zn abundance and isotopic composition of diatom frustules, a proxy for Zn availability in ocean surface seawater

1 January, 2011

A global continuous plankton recorder programme

1 January, 2010

Simulating dimethylsulphide seasonality with the Dynamic Green Ocean Model PlankTOM5

1 January, 2010

Sensitivity of global ocean biogeochemical dynamics to ecosystem structure in a future climate

1 January, 2010

Seasonal and interannual variation of dissolved iodine speciation at a coastal Antarctic site

1 January, 2010

Southern Ocean Observing System (SOOS): Rationale and strategy for sustained observations of the Southern Ocean

1 January, 2010

Observed 20th century desert dust variability: impact on climate and biogeochemistry

1 January, 2010

The structure, biological activity and biogeochemistry of cryoconite aggregates upon an Arctic valley glacier: Longyearbreen, Svalbard

1 January, 2010

Productivity variation around the Crozet Plateau : a naturally iron fertilised area of the Southern Ocean

1 January, 2010

Biogeochemical fluxes through microzooplankton

1 January, 2010

Trends in the sources and sinks of carbon dioxide

17 November, 2009

Southern Ocean deep-water carbon export enhanced by natural iron fertilization

1 January, 2009

Surface-ocean CO2 variability and vulnerability

1 January, 2009

Plankton functional types in a new generation of biogeochemical models. Integration of plankton abundance data for the evaluation of marine biogeochemical models, Cambridge, UK, October 2008. (Meeting report)

1 January, 2009

Vegetation cover regulates the quantity, quality and temporal dynamics of dissolved organic carbon and nitrogen in Antarctic soils

1 January, 2009

Theory and observations of Ekman flux in the chlorophyll distribution downstream of South Georgia.

1 January, 2009

Variability in atmospheric O2 and CO2 concentrations in the southern Pacific Ocean and their comparison with model estimates

1 January, 2008

Anthropogenic and biophysical contributions to increasing atmospheric CO2 growth rate and airborne fraction

1 January, 2008

Seasonal variation in the white muscle biochemical composition of deep-sea macrourids in the North-east Atlantic

1 January, 2008

Ocean biogeochemical response to phytoplankton-light feedback in a global model

1 January, 2008

Pteropods in Southern Ocean ecosystems

1 January, 2008

Importance of coastal nutrient supply for global ocean biogeochemistry

1 January, 2008

Functional microarray analysis of nitrogen and carbon cycling genes across an Antarctic latitudinal transect

1 January, 2007

Saturation of the Southern Ocean CO2 sink due to recent climate change

1 January, 2007

Contributions to accelerating atmospheric CO2 growth from economic activity, carbon intensity, and efficiency of natural sinks

1 January, 2007

Quantifying habitat-specific diatom production: a critical assessment using morphological and biogeochemical markers in Antarctic marine and lake sediments

1 January, 2004

An ice core indicator of Antarctic sea ice production?

1 January, 2003

Two distinct seasonal Asian source regions for mineral dust deposited in Greenland (NorthGRIP)

1 January, 2003

Regional variability of ice core dust composition and provenance in Greenland

1 January, 2003

Primary production and carbon uptake dynamics in the vicinity of South Georgia – balancing carbon fixation and removal

1 January, 2002

The significance of PCBs in the atmosphere of the Southern Hemisphere

1 January, 2001

Changes in the global atmospheric methane budget over the last decades inferred from 13C and D isotopic analysis of Antarctic firn air

1 January, 2001

Speciation and rate of photochemical NO and NO2 production in Antarctic snow

1 January, 2000

Ammonium and potassium in snow around an emperor penguin colony

1 January, 2000

Eukaryotic microbiota in the surface waters and sea ice of the Southern Ocean: aspects of physiology, ecology and biodiversity in a ‘two-phase’ ecosystem

1 November, 1996

The local deposition of heavy metal emissions from point sources in Antarctica

1 August, 1993

Global extrapolation

1 January, 1993

Antarctic Marine Primary Production, Biogeochemical Carbon Cycles and Climatic Change [and Discussion]

1 November, 1992

Precipitation nitrogen at maritime Signy Island and continental Cape Bird, Antarctica

1 March, 1992

The influence of global and local atmospheric pollution on the chemistry of Antarctic snow and ice

1 January, 1992

Fertilizer and snowfall nitrate

1 January, 1991

A simple model for air/snow fractionation of aerosol components over the Antarctic Peninsula

1 July, 1990

Closer to a true value for heavy metal concentrations in recent Antarctic snow by improved contamination control

1 January, 1985

Organochlorine residues in Antarctic snow

1 January, 1975

Krill swarms responsible for ‘hidden’ carbon storage

21 February, 2019

Large krill swarms in the Southern Ocean could help remove additional carbon from the atmosphere, in a way that is currently ‘hidden’ in global models. The new study is published …

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Biogeochemical cycles