Search Results - "Kitidis, Vassilis"

Natural variability in air–sea gas transfer efficiency of CO2 by Yang, Mingxi, Smyth, Timothy J., Kitidis, Vassilis, Brown, Ian J., Wohl, Charel, Yelland, Margaret J., Bell, Thomas G.

“…The flux of CO 2 between the atmosphere and the ocean is often estimated as the air–sea gas concentration difference multiplied by the gas transfer velocity (…”
Get full text

Surface ocean carbon dioxide during the Atlantic Meridional Transect (1995–2013); evidence of ocean acidification by Kitidis, Vassilis, Brown, Ian, Hardman-Mountford, Nicholas, Lefèvre, Nathalie

“…•Observations along the AMT track, over 19 years showed increase in seawater CO2.•Seawater CO2 increase followed the respective atmospheric increase.•Ocean…”
Get full text

Mesoscale Eddies Enhance the Air‐Sea CO2 Sink in the South Atlantic Ocean by Ford, Daniel J., Tilstone, Gavin H., Shutler, Jamie D., Kitidis, Vassilis, Sheen, Katy L., Dall’Olmo, Giorgio, Orselli, Iole B. M.

“…Mesoscale eddies are abundant in the global oceans and known to affect oceanic and atmospheric conditions. Understanding their cumulative impact on the air‐sea…”
Get full text

Uncertainties in eddy covariance air–sea CO 2 flux measurements and implications for gas transfer velocity parameterisations by Dong, Yuanxu, Yang, Mingxi, Bakker, Dorothee C. E., Kitidis, Vassilis, Bell, Thomas G.

“…Air–sea carbon dioxide (CO2) flux is often indirectly estimated by the bulk method using the air–sea difference in CO2 fugacity (ΔfCO2) and a parameterisation…”
Get full text

Nitrous oxide as a function of oxygen and archaeal gene abundance in the North Pacific by Trimmer, Mark, Chronopoulou, Panagiota-Myrsini, Maanoja, Susanna T., Upstill-Goddard, Robert C., Kitidis, Vassilis, Purdy, Kevin J.

“…Oceanic oxygen minimum zones are strong sources of the potent greenhouse gas N 2 O but its microbial source is unclear. We characterized an exponential…”
Get full text

The role of a changing Arctic Ocean and climate for the biogeochemical cycling of dimethyl sulphide and carbon monoxide by Campen, Hanna I., Arévalo-Martínez, Damian L., Artioli, Yuri, Brown, Ian J., Kitidis, Vassilis, Lessin, Gennadi, Rees, Andrew P., Bange, Hermann W.

“…Dimethyl sulphide (DMS) and carbon monoxide (CO) are climate-relevant trace gases that play key roles in the radiative budget of the Arctic atmosphere. Under…”
Get full text

Nitrous oxide and methane in a changing Arctic Ocean by Rees, Andrew P., Bange, Hermann W., Arévalo-Martínez, Damian L., Artioli, Yuri, Ashby, Dawn M., Brown, Ian, Campen, Hanna I., Clark, Darren R., Kitidis, Vassilis, Lessin, Gennadi, Tarran, Glen A., Turley, Carol

“…Human activities are changing the Arctic environment at an unprecedented rate resulting in rapid warming, freshening, sea ice retreat and ocean acidification…”
Get full text

Simultaneous high-precision, high-frequency measurements of methane and nitrous oxide in surface seawater by cavity ring-down spectroscopy by Brown, Ian J., Kitidis, Vassilis, Rees, Andrew P.

“…An automated system was developed using commercially available Cavity Ring-Down Spectroscopy (CRDS) technology (Picarro LTD., G2508) which was interfaced to a…”
Get full text

Impact of ocean acidification on benthic and water column ammonia oxidation by Kitidis, Vassilis, Laverock, Bonnie, McNeill, Louise C., Beesley, Amanda, Cummings, Denise, Tait, Karen, Osborn, Mark A., Widdicombe, Stephen

“…Ammonia oxidation is a key microbial process within the marine N‐cycle. Sediment and water column samples from two contrasting sites in the English Channel…”
Get full text

Methane and nitrous oxide in surface water along the North-West Passage, Arctic Ocean by Kitidis, Vassilis, Upstill-Goddard, Robert C., Anderson, Leif G.

“…Dissolved methane and nitrous oxide in seawater were measured along a 6700 km transect of the North-West Passage between the North Atlantic Ocean and Beaufort…”
Get full text

Sensitivity of Modeled CO2 Air–Sea Flux in a Coastal Environment to Surface Temperature Gradients, Surfactants, and Satellite Data Assimilation by Torres, Ricardo, Artioli, Yuri, Kitidis, Vassilis, Ciavatta, Stefano, Ruiz-Villarreal, Manuel, Shutler, Jamie, Polimene, Luca, Martinez, Victor, Widdicombe, Claire, Woodward, E. Malcolm S., Smyth, Timothy, Fishwick, James, Tilstone, Gavin H.

“…This work evaluates the sensitivity of CO2 air–sea gas exchange in a coastal site to four different model system configurations of the 1D coupled…”
Get full text

Magnesium hydroxide addition reduces aqueous carbon dioxide in wastewater discharged to the ocean by Kitidis, Vassilis, Rackley, Stephen. A., Burt, William. J., Rau, Greg. H., Fawcett, Samuel, Taylor, Matthew, Tarran, Glen, Woodward, E. Malcolm S., Harris, Carolyn, Fileman, Timothy

“…Abstract Ocean alkalinity enhancement (OAE) reduces the concentration of dissolved carbon dioxide (CO 2 ) in seawater, leading to atmospheric carbon dioxide…”
Get full text

High Resolution pH Measurements Using a Lab-on-Chip Sensor in Surface Waters of Northwest European Shelf Seas by Rérolle, Victoire M C, Achterberg, Eric P, Ribas-Ribas, Mariana, Kitidis, Vassilis, Brown, Ian, Bakker, Dorothee C E, Lee, Gareth A, Mowlem, Matthew C

“…Increasing atmospheric CO₂ concentrations are resulting in a reduction in seawater pH, with potential detrimental consequences for marine organisms. Improved…”
Get full text

Oxygen photolysis in the Mauritanian upwelling: Implications for net community production by Kitidis, Vassilis, Tilstone, Gavin H., Serret, Pablo, Smyth, Timothy J., Torres, Ricardo, Robinson, Carol

“…We carried out 16 photochemical experiments of filtered surface water in a custom-built solar simulator and concomitant measurements of in vitro gross primary…”
Get full text

Correction: Corrigendum: Both respiration and photosynthesis determine the scaling of plankton metabolism in the oligotrophic ocean by Serret, Pablo, Robinson, Carol, Aranguren-Gassis, María, García-Martín, Enma Elena, Gist, Niki, Kitidis, Vassilis, Lozano, José, Stephens, John, Harris, Carolyn, Thomas, Rob

“…Nature Communications 6:6961 doi: (2015); Published 24 April 2015; Updated 15 June 2016 The original version of this Article failed to fully credit the use of…”
Get full text

Carbon monoxide emission from a Mauritanian upwelling filament by Kitidis, Vassilis, Tilstone, Gavin H., Smyth, Timothy J., Torres, Ricardo, Law, Cliff S.

“…During a Lagrangian study in the Mauritanian upwelling (April 15 to May 27 2009), we investigated the biogeochemical cycling of carbon monoxide (CO) through a…”
Get full text

Variability of chromophoric organic matter in surface waters of the Atlantic Ocean by Kitidis, Vassilis, Stubbins, Aron P., Uher, Günther, Upstill Goddard, Robert C., Law, Cliff S., Woodward, E. Malcolm S.

“…We report over 600 absorption spectra (250–800 nm) of unfiltered surface waters, <250 m depth, collected at daily stations during three Atlantic Meridional…”
Get full text

Characterization of a Time-Domain Dual Lifetime Referencing pCO2 Optode and Deployment as a High-Resolution Underway Sensor across the High Latitude North Atlantic Ocean by Clarke, Jennifer S., Humphreys, Matthew P., Tynan, Eithne, Kitidis, Vassilis, Brown, Ian, Mowlem, Matthew, Achterberg, Eric P.

“…The ocean is a major sink for anthropogenic carbon dioxide (CO2), with the CO2 uptake causing changes to ocean chemistry. To monitor these changes and provide…”
Get full text

The open-ocean source of atmospheric carbon monoxide by Stubbins, Aron, Uher, Günther, Kitidis, Vassilis, Law, Cliff S., Upstill-Goddard, Robert C., Woodward, E. Malcolm S.

“…Carbon monoxide (CO) atmospheric mixing ratios and surface-water concentrations were determined during Atlantic Meridional Transect cruise number 10, April–May…”
Get full text

Mesoscale Eddies Enhance the Air‐Sea CO 2 Sink in the South Atlantic Ocean by Ford, Daniel J., Tilstone, Gavin H., Shutler, Jamie D., Kitidis, Vassilis, Sheen, Katy L., Dall’Olmo, Giorgio, Orselli, Iole B. M.

“…Abstract Mesoscale eddies are abundant in the global oceans and known to affect oceanic and atmospheric conditions. Understanding their cumulative impact on…”
Get full text