Alexander Barth
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View article: Amplified warming and marine heatwaves in the North Sea under a warming climate and their impacts
Amplified warming and marine heatwaves in the North Sea under a warming climate and their impacts Open
The northeast Atlantic and adjacent regions, such as the North Sea, are among the fastest-warming areas in the world. However, the role of climate change and internal variability in marine heatwaves (MHWs) in this region remains poorly und…
View article: Modelling of the Present Oceanographic Situation of the Gulfs of Patras and Corinth
Modelling of the Present Oceanographic Situation of the Gulfs of Patras and Corinth Open
In our study we investigated the hydrodynamic circulation of the Gulfs of Patras and Corinth through modelling. To this end, ROMS was used to numerically calculate the parameters of the waters for these peculiar semi-enclosed basins. Sever…
View article: CRITER 1.0: a coarse reconstruction with iterative refinement network for sparse spatio-temporal satellite data
CRITER 1.0: a coarse reconstruction with iterative refinement network for sparse spatio-temporal satellite data Open
Satellite observations of sea surface temperature (SST) are essential for accurate weather forecasting and climate modeling. However, these data often suffer from incomplete coverage due to cloud obstruction and limited satellite swath wid…
View article: Co-variability of sea surface salinity and sea surface temperature in the North Atlantic ocean during 2022 and 2023.
Co-variability of sea surface salinity and sea surface temperature in the North Atlantic ocean during 2022 and 2023. Open
Sea Surface Salinity (SSS) plays an important role in the global water cycle, which appears to be intensifying due to climate change. SSS also influences the vertical distribution of heat in the ocean because of its influence on water dens…
View article: Generation of super-resolution gap-free ocean colour satellite products using data-interpolating empirical orthogonal functions (DINEOF)
Generation of super-resolution gap-free ocean colour satellite products using data-interpolating empirical orthogonal functions (DINEOF) Open
In this work we present a super-resolution approach for deriving high-spatial-resolution and high-temporal-resolution ocean colour satellite datasets. The technique is based on DINEOF (data-interpolating empirical orthogonal functions), a …
View article: Overcoming Challenges in Coastal Marine Heatwave Detection: Integrating In Situ and Satellite Data in Complex Coastal Environment
Overcoming Challenges in Coastal Marine Heatwave Detection: Integrating In Situ and Satellite Data in Complex Coastal Environment Open
Marine Heatwaves (MHWs) and Marine Cold Spells (MCSs) are extreme sea temperature events characterised respectively by unusually warm and cold conditions, that can persist from days to months. Both events occur in every ocean, but MHWs are…
View article: Analysis of the variability of sea surface salinity and temperature extremes in the North Atlantic ocean.
Analysis of the variability of sea surface salinity and temperature extremes in the North Atlantic ocean. Open
Sea Surface Salinity (SSS) plays an important role in the global water cycle, which appears to be intensifying due to climate change and influences the vertical distribution of heat in the ocean because of its influence on water density. T…
View article: Drifters Do it Yourself (D2iY), an integrated project to learn oceanography by building and deploying surface drifters.
Drifters Do it Yourself (D2iY), an integrated project to learn oceanography by building and deploying surface drifters. Open
Within the frame of the Master in Oceanography of the University of Liège (Belgium), a two-week research stay is held every year at research station STARESO (Station de Recherches Sous-Marines) in the Bay of Calvi in Corsica (France).…
View article: Deriving benthic traits through deep learning methods
Deriving benthic traits through deep learning methods Open
Through global warming, ocean deoxygenation is considered as a major concern since it consequently reduces the quality and the quantity of suitable habitats for marine life. Eutrophication plays a major role in its depletion which enhances…
View article: Reconstruction of missing satellite data using a Probabilistic Denoising Diffusion Model applied to chlorophyll a concentration
Reconstruction of missing satellite data using a Probabilistic Denoising Diffusion Model applied to chlorophyll a concentration Open
Satellite observations provide a global or near-global coverage of the World Ocean. They are however affected by clouds (among others), which severely reduce their spatial coverage. Different methods have been proposed in the literature to…
View article: Assessment of gap-filling techniques applied to satellite phytoplankton composition products for the Atlantic Ocean
Assessment of gap-filling techniques applied to satellite phytoplankton composition products for the Atlantic Ocean Open
Phytoplankton are vital to marine biogeochemical cycles and form the base of the marine food web. Comprehensive datasets offering a spatiotemporal perspective on phytoplankton composition are essential for assessing the impacts of climate …
View article: CRITER 1.0: A coarse reconstruction with iterative refinement network for sparse spatio-temporal satellite data
CRITER 1.0: A coarse reconstruction with iterative refinement network for sparse spatio-temporal satellite data Open
Satellite observations of sea surface temperature (SST) are essential for accurate weather forecasting and climate modeling. However, this data often suffers from incomplete coverage due to cloud obstruction and limited satellite swath wid…
View article: Ensemble reconstruction of missing satellite data using a denoising diffusion model: application to chlorophyll <i>a</i> concentration in the Black Sea
Ensemble reconstruction of missing satellite data using a denoising diffusion model: application to chlorophyll <i>a</i> concentration in the Black Sea Open
Satellite observations provide a global or near-global coverage of the World Ocean. They are however affected by clouds (among others), which severely reduce their spatial coverage. Different methods have been proposed in the literature to…
View article: Comment on egusphere-2024-1075
Comment on egusphere-2024-1075 Open
Abstract. Satellite observations provide a global or near-global coverage of the World Ocean. They are however affected by clouds (among others), which severely reduce their spatial coverage. Different methods have been proposed in the lit…
View article: Seamless high-resolution soil moisture from the synergistic merging of the FengYun-3 satellite observations series
Seamless high-resolution soil moisture from the synergistic merging of the FengYun-3 satellite observations series Open
These datasets are results from merging three FengYun passive microwave soil moisture observations at a 15kmx15km spatial resolution from 2011 to 2020 with continuous extension as data becomes available. Here, we rely on a merging techniqu…
View article: Generation of super-resolution gap-free ocean colour satellite products using DINEOF
Generation of super-resolution gap-free ocean colour satellite products using DINEOF Open
In this work we present a super-resolution approach to derive high spatial and temporal resolution ocean colour satellite datasets. The technique is based on DINEOF (Data Interpolating Empirircal Orthogonal Functions), a data-driven method…
View article: Ensemble reconstruction of missing satellite data using a denoising diffusion model: application to chlorophyll a concentration in the Black Sea
Ensemble reconstruction of missing satellite data using a denoising diffusion model: application to chlorophyll a concentration in the Black Sea Open
Satellite observations provide a global or near-global coverage of the World Ocean. They are however affected by clouds (among others), which severely reduce their spatial coverage. Different methods have been proposed in the literature to…
View article: Two extremes: Investigating the impact of the co-occurrence of medicanes and marine heatwaves in the Mediterranean Sea.
Two extremes: Investigating the impact of the co-occurrence of medicanes and marine heatwaves in the Mediterranean Sea. Open
The oceans are steadily warming, which affects global weather and climate and leads to an increase in extreme events such as storms, hurricanes and marine heatwaves (MHWs). Future warming scenarios predict an increase in the frequency and …
View article: Coastal Currents from Observations, an integrated multi-source approach to analyse surface currents.
Coastal Currents from Observations, an integrated multi-source approach to analyse surface currents. Open
The ocean surface is a key area where processes driven by the atmosphere take place, with important phenomena happening at small scales of turbulence in the surface layer. The analysis and extraction of surface currents in different basins…
View article: The summer marine heatwaves in the North Sea in 2023
The summer marine heatwaves in the North Sea in 2023 Open
Marine heatwaves (MHWs) have increased worldwide in recent decades and are considered one of the most pressing challenges of climate change due to their dramatic environmental and socio-economic impacts. This study examines the occurrence …
View article: Extreme marine heatwaves and cold-spells events in the Southern North Sea: classifications, patterns, and trends
Extreme marine heatwaves and cold-spells events in the Southern North Sea: classifications, patterns, and trends Open
In this study, we examined the long-term spatiotemporal trend of marine heatwaves (MHW) and marine cold spells (MCS) characteristics in the southern North Sea over the last four decades (1982-2021). We then estimated the difference between…
View article: How to detect marine heatwaves in a fjord-like environment ? Study case of the semi-enclosed inner seas of North Patagonia
How to detect marine heatwaves in a fjord-like environment ? Study case of the semi-enclosed inner seas of North Patagonia Open
Marine heatwaves (MHWs) are described as anomalously warm temperature events over a portion of the ocean during at least five consecutive days, developing in both coastal and open-ocean environments.MHWs have been subject to numerous studi…
View article: Generation of multi-resolution, daily and gap-free ocean colour satellite products for coastal applications: the MultiRes project
Generation of multi-resolution, daily and gap-free ocean colour satellite products for coastal applications: the MultiRes project Open
Coastal ocean areas are very dynamic regions subject to strong anthropogenic pressure (e.g. industry, tourism, renewable energies, population). Satellite data constitute a unique tool to study and monitor these complex areas at high spatia…
View article: Comment on essd-2022-111
Comment on essd-2022-111 Open
Abstract. Satellite altimetry missions flying over the ice-covered Arctic Ocean have been opening the possibility to further understand recent changes in the surface circulation. The use of these data has been however deferred by the need …
View article: Marine Heatwaves Offshore Central and South Chile: Understanding Forcing Mechanisms During the Years 2016-2017
Marine Heatwaves Offshore Central and South Chile: Understanding Forcing Mechanisms During the Years 2016-2017 Open
Marine heatwaves (MHWs) are discrete warm-water anomalies events occurring in both open ocean and coastal areas. These phenomena have drawn researchers’ attention since the beginning of the 2010s, as their frequency and intensity are sever…