Search Results - "Else, T."
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Spontaneously reported adverse events following COVID-19 basic and booster immunizations in the Netherlands
Published in Vaccine (29-06-2023)“…•Post-marketing surveillance is essential to monitor COVID-19 vaccine safety patterns.•Spontaneous reporting shows a comparable reporting pattern for basic and…”
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Dried, closed-path eddy covariance method for measuring carbon dioxide flux over sea ice
Published in Atmospheric measurement techniques (09-11-2018)“…The Arctic marine environment plays an important role in the global carbon cycle. However, there remain large uncertainties in how sea ice affects air–sea…”
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Systemic reactogenicity following homologues and heterologous prime-boost AZD1222 and BNT162b2 COVID-19 vaccination of 2862 healthcare workers compared with an unvaccinated population
Published in Vaccine: X (01-04-2023)“…During spring 2021, AZD1222 and BNT162b2 were used as prime and BNT162b2 as booster COVID-19 vaccines in Denmark. We obtained self-reported information on…”
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River Inflow Dominates Methane Emissions in an Arctic Coastal System
Published in Geophysical research letters (28-05-2020)“…We present a year‐round time series of dissolved methane (CH4), along with targeted observations during ice melt of CH4 and carbon dioxide (CO2) in a river and…”
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Variability in sea ice carbonate chemistry: a case study comparing the importance of ikaite precipitation, bottom-ice algae, and currents across an invisible polynya
Published in The cryosphere (13-09-2022)“…The carbonate chemistry of sea ice is known to play a role in global carbon cycles, but its importance is uncertain in part due to disparities in reported…”
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Estimates of ikaite export from sea ice to the underlying seawater in a sea ice–seawater mesocosm
Published in The cryosphere (21-09-2016)“…The precipitation of ikaite and its fate within sea ice is still poorly understood. We quantify temporal inorganic carbon dynamics in sea ice from initial…”
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Carbonate system evolution at the Arctic Ocean surface during autumn freeze-up
Published in Journal of Geophysical Research (01-09-2011)“…Based on comprehensive measurements of carbonate system parameters in sea ice, brines, and surface waters across a variety of ice types in the eastern Beaufort…”
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Annual cycles of pCO2sw in the southeastern Beaufort Sea: New understandings of air-sea CO2 exchange in arctic polynya regions
Published in Journal of Geophysical Research: Oceans (01-09-2012)“…From 23 October 2007 to 1 August 2008, we made continuous measurements of sea surface partial pressure of CO2 (pCO2sw) in three regions of the southeastern…”
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Sea-air CO2 exchange in the western Arctic coastal ocean
Published in Global biogeochemical cycles (01-08-2015)“…The biogeochemical seascape of the western Arctic coastal ocean is in rapid transition. Changes in sea ice cover will be accompanied by alterations in sea‐air…”
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Segmented flow coil equilibrator coupled to a proton-transfer-reaction mass spectrometer for measurements of a broad range of volatile organic compounds in seawater
Published in Ocean science (16-07-2019)“…We present a technique that utilises a segmented flow coil equilibrator coupled to a proton-transfer-reaction mass spectrometer to measure a broad range of…”
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Further observations of a decreasing atmospheric CO2 uptake capacity in the Canada Basin (Arctic Ocean) due to sea ice loss
Published in Geophysical research letters (28-03-2013)“…Using data collected in 2009, we evaluated the potential for the southeastern Canada Basin (Arctic Ocean) to act as an atmospheric CO2 sink under the…”
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Annual cycle of air-sea CO2 exchange in an Arctic Polynya Region
Published in Global biogeochemical cycles (01-06-2013)“…During the Canadian International Polar Year projects in the Cape Bathurst polynya region, we measured a near–complete annual cycle of sea surface CO2…”
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Changing sea ice melt parameters in the Canadian Arctic Archipelago: Implications for the future presence of multiyear ice
Published in Journal of Geophysical Research - Oceans (01-09-2008)“…Estimates of annual sea ice melt onset, freeze onset, and melt duration are made within the Canadian Arctic Archipelago (CAA) using SeaWinds/QuikSCAT data from…”
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Replacement of multiyear sea ice and changes in the open water season duration in the Beaufort Sea since 2004
Published in Journal of geophysical research. Oceans (01-03-2016)“…The last decade has witnessed the nine lowest Arctic September sea ice extents in the observational record. It also forms the most recent third of the…”
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Surface Water pCO2 Variations and Sea‐Air CO2 Fluxes During Summer in the Eastern Canadian Arctic
Published in Journal of geophysical research. Oceans (01-12-2017)“…Based on a 2 year data set, the eastern Canadian Arctic Archipelago and Baffin Bay appear to be a modest summertime sink of atmospheric CO2. We measured…”
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Mitochondrial DNA structure and colony expansion dynamics of New Zealand fur seals (Arctocephalus forsteri) around Banks Peninsula
Published in New Zealand journal of zoology (01-10-2016)“…New Zealand fur seals are one of many pinniped species that survived the commercial sealing of the eighteenth and nineteenth centuries in dangerously low…”
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Temporal dynamics of ikaite in experimental sea ice
Published in The cryosphere (08-08-2014)“…Ikaite (CaCO3 · 6H2O) is a metastable phase of calcium carbonate that normally forms in a cold environment and/or under high pressure. Recently, ikaite…”
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Observations of sea surface fCO2 distributions and estimated air-sea CO2 fluxes in the Hudson Bay region (Canada) during the open water season
Published in Journal of Geophysical Research - Oceans (16-08-2008)“…The lack of baseline estimates of air‐sea CO2 exchange in Arctic and sub‐Arctic regions represents a major shortfall in our ability to understand how climate…”
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