Gavin H. Tilstone
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View article: Author Correction: Enhanced ocean CO2 uptake due to near surface temperature gradients
Author Correction: Enhanced ocean CO2 uptake due to near surface temperature gradients Open
View article: Radiometric field inter-comparison of fiducial reference measurements using an open source community processor
Radiometric field inter-comparison of fiducial reference measurements using an open source community processor Open
A radiometric field intercomparison was conducted at the Acqua Alta Oceanographic Tower (AAOT) in the Adriatic Sea from 14 to 21 July 2022 to assess differences in the accuracy of above-water radiometer systems (Sea-Bird HyperSAS, pySAS, T…
View article: A compilation of surface inherent optical properties and phytoplankton pigment concentrations from the Atlantic Meridional Transect
A compilation of surface inherent optical properties and phytoplankton pigment concentrations from the Atlantic Meridional Transect Open
In situ measurements of particulate inherent optical properties (IOPs) – absorption (ap(λ)), scattering (bp(λ)), and beam attenuation (cp(λ)) – are crucial for the development of optical algorithms that retrieve biogeochemical quantities s…
View article: Decline in Satellite-Derived Primary Production in the Eastern North Atlantic Driven by Changes in Sea Surface Temperature and Mixed Layer Depth
Decline in Satellite-Derived Primary Production in the Eastern North Atlantic Driven by Changes in Sea Surface Temperature and Mixed Layer Depth Open
View article: Coupling ecological concepts with an ocean-colour model: Parameterisation and forward modelling
Coupling ecological concepts with an ocean-colour model: Parameterisation and forward modelling Open
View article: Enhanced ocean CO2 uptake due to near-surface temperature gradients
Enhanced ocean CO2 uptake due to near-surface temperature gradients Open
View article: A compilation of surface inherent optical properties and phytoplankton pigment concentrations from the Atlantic Meridional Transect
A compilation of surface inherent optical properties and phytoplankton pigment concentrations from the Atlantic Meridional Transect Open
In situ measurements of particulate inherent optical properties (IOPs) – absorption (ap(λ)), scattering (bp(λ)), and beam attenuation (cp(λ)) – are crucial for development of optical algorithms that retrieve biogeochemical quantities such …
View article: Complete characterization of ocean color radiometers
Complete characterization of ocean color radiometers Open
Verifying and validating waterleaving radiance measurements from space for an accurate derivation of Ocean/Water Colour biogeophysical products is based on concurrent high-quality fiducial reference measurements (FRM) carried out on the gr…
View article: Global Assessment of Merged Multi-Sensor Ocean Colour Chlorophyll a Products
Global Assessment of Merged Multi-Sensor Ocean Colour Chlorophyll a Products Open
View article: Global Assessment of Merged Multi-Sensor Ocean Colour Chlorophyll a Products
Global Assessment of Merged Multi-Sensor Ocean Colour Chlorophyll a Products Open
View article: Radiometric assessment of OLCI, VIIRS, and MODIS using fiducial reference measurements along the Atlantic Meridional Transect
Radiometric assessment of OLCI, VIIRS, and MODIS using fiducial reference measurements along the Atlantic Meridional Transect Open
View article: Respiration, phytoplankton size and the metabolic balance in the Atlantic gyres
Respiration, phytoplankton size and the metabolic balance in the Atlantic gyres Open
The balance between plankton photosynthesis (GPP) and community respiration (CR) in the euphotic zone (net community production, NCP) is an essential driver of the biological carbon pump. Deficient datasets and a lack of knowledge of the m…
View article: Pilot Assessment of Primary Productivity OSPAR Convention The Convention for the Protection of the Marine Environment of the North-East Atlantic (the "OSPAR Convention") was opened for signature at the Ministerial Meeting of the former Oslo and Paris Commissions in Paris on
Pilot Assessment of Primary Productivity OSPAR Convention The Convention for the Protection of the Marine Environment of the North-East Atlantic (the "OSPAR Convention") was opened for signature at the Ministerial Meeting of the former Oslo and Paris Commissions in Paris on Open
International audience
View article: Revised spectral optimization approach to remove surface-reflected radiance for the estimation of remote-sensing reflectance from the above-water method
Revised spectral optimization approach to remove surface-reflected radiance for the estimation of remote-sensing reflectance from the above-water method Open
The effective sea-surface skylight reflectance ( ρ ) is an important parameter for removing the contribution of surface-reflected radiance when measuring water-leaving radiance ( L w ) using the above-water approach (AWA). Radiative simula…
View article: Mesoscale Eddies Enhance the Air‐Sea CO<sub>2</sub> Sink in the South Atlantic Ocean
Mesoscale Eddies Enhance the Air‐Sea CO<sub>2</sub> Sink in the South Atlantic Ocean Open
Mesoscale eddies are abundant in the global oceans and known to affect oceanic and atmospheric conditions. Understanding their cumulative impact on the air‐sea carbon dioxide (CO 2 ) flux may have significant implications for the ocean car…
View article: Ocean carbon from space: Current status and priorities for the next decade
Ocean carbon from space: Current status and priorities for the next decade Open
View article: Evaluating historic and modern optical techniques for monitoring phytoplankton biomass in the Atlantic Ocean
Evaluating historic and modern optical techniques for monitoring phytoplankton biomass in the Atlantic Ocean Open
Traditional measurements of the Secchi depth ( z SD ) and Forel-Ule colour were collected alongside modern radiometric measurements of ocean clarity and colour, and in-situ measurements of chlorophyll-a concentration (Chl-a), on four Atlan…
View article: Optimising Multispectral Active Fluorescence to Distinguish the Photosynthetic Variability of Cyanobacteria and Algae
Optimising Multispectral Active Fluorescence to Distinguish the Photosynthetic Variability of Cyanobacteria and Algae Open
This study assesses the ability of a new active fluorometer, the LabSTAF, to diagnostically assess the physiology of freshwater cyanobacteria in a reservoir exhibiting annual blooms. Specifically, we analyse the correlation of relative cya…
View article: A compilation of global bio-optical in situ data for ocean colour satellite applications – version three
A compilation of global bio-optical in situ data for ocean colour satellite applications – version three Open
A global in situ data set for validation of ocean colour products from the ESA Ocean Colour Climate Change Initiative (OC-CCI) is presented. This version of the compilation, starting in 1997, now extends to 2021, which is important for the…
View article: Coupling ecological concepts with an ocean-colour model: Phytoplankton size structure
Coupling ecological concepts with an ocean-colour model: Phytoplankton size structure Open
View article: Mesoscale eddies enhance the air-sea CO2 sink in the South Atlantic Ocean
Mesoscale eddies enhance the air-sea CO2 sink in the South Atlantic Ocean Open
Mesoscale eddies are abundant in the global oceans and known to affect marine biogeochemistry. Understanding their cumulative impact on the air-sea carbon dioxide (CO2) flux is likely important for quantifying the ocean carbon sink. Here, …
View article: Latitudinal variability and adaptation of phytoplankton in the Atlantic Ocean
Latitudinal variability and adaptation of phytoplankton in the Atlantic Ocean Open
View article: Derivation of uncertainty budgets for continuous above-water radiometric measurements along an Atlantic Meridional Transect
Derivation of uncertainty budgets for continuous above-water radiometric measurements along an Atlantic Meridional Transect Open
Fiducial reference measurements are in-situ data traceable to metrology standards, with associated uncertainties. This paper presents the methodology used to derive the uncertainty budget for underway, above-water measurements from the Sea…
View article: Threshold indicators of primary production in the north-east Atlantic for assessing environmental disturbances using 21 years of satellite ocean colour
Threshold indicators of primary production in the north-east Atlantic for assessing environmental disturbances using 21 years of satellite ocean colour Open
View article: Identifying the biological control of the annual and multi-year variations in South Atlantic air–sea CO <sub>2</sub> flux
Identifying the biological control of the annual and multi-year variations in South Atlantic air–sea CO <sub>2</sub> flux Open
The accumulation of anthropogenic CO2 emissions in the atmosphere has been buffered by the absorption of CO2 by the global ocean, which acts as a net CO2 sink. The CO2 flux between the atmosphere and the ocean, which collectively results i…
View article: An absorption‐based approach to improved estimates of phytoplankton biomass and net primary production
An absorption‐based approach to improved estimates of phytoplankton biomass and net primary production Open
The abundance and productivity of phytoplankton constrain energy transfer through marine food webs and the export of organic carbon to the deep ocean. Bio‐optical measurements correlate well with phytoplankton carbon (C phyto ), but the ef…
View article: Supplementary material to "A compilation of global bio-optical in situ data for ocean-colour satellite applications – version three"
Supplementary material to "A compilation of global bio-optical in situ data for ocean-colour satellite applications – version three" Open
View article: A compilation of global bio-optical in situ data for ocean-colour satellite applications – version three
A compilation of global bio-optical in situ data for ocean-colour satellite applications – version three Open
A global in-situ data set for validation of ocean-colour products from the ESA Ocean Colour Climate Change Initiative (OC-CCI) is presented. This version of the compilation, starting in 1997, now extends to 2021, which is important for the…
View article: Determination of optical markers of cyanobacterial physiology from fluorescence kinetics
Determination of optical markers of cyanobacterial physiology from fluorescence kinetics Open
Compared to other methods to monitor and detect cyanobacteria in phytoplankton populations, fluorometry gives rapid, robust and reproducible results and can be used in situ. Fluorometers capable of providing biomass estimates and physiolog…
View article: Comment on bg-2022-54
Comment on bg-2022-54 Open
Abstract. The accumulation of anthropogenic CO2 emissions in the atmosphere has been buffered by the global oceans absorbing CO2 and acting as a net CO2 sink. The CO2 flux betwee…