ABSTRACT Intrusions with water properties of the surface mixed layer are seen to occur in the stratified pycnocline. These features appear to be coherent pathways by which oxygen, phytoplankton carbon and other near-surface properties are transported to depth. What are the mechanisms for advective vertical transport or subduction of properties from the surface mixed layer to the subsurface? What are the Lagrangian pathways of subduction and what is the vertical flux induced through these mechanisms? These are some of the questions that we address in a program called CALYPSO, carried out in collaboration with IMEDEA and SOCIB. This seminar presents an overview and some research highlights.

Amala Mahadevan is a scientist at the Woods Hole Oceanographic Institution (WHOI). Her interests lie in exploring processes that shape the oceanic environment and contribute to the earth's climate. She uses models and observations to study transport and mixing processes in the ocean and their implications for oceanic biogeochemistry and ecology. She is particularly interested in understanding the link between physical and biological processes in the oceans, which is of relevance for the oceanic carbon cycle with which the earth’s climate is so intrinsically linked. Mahadevan, who earned her PhD at Stanford University, is the recipient of several research grants from National Aeronautics and Space Administration, the National Science Foundation, and the Office of Naval Research. She is engaged in an active research program with her collaborators, postdoctoral scientists, and PhD students in the MIT/WHOI Joint Program.

Catherine Gregory will present "Sub-seasonal to season drivers of Australian marine heatwaves", a 30' speak. You can check the abstract here. 

Afterwards, there will be soft drinks and beers for all attendees.

This cycle of seminars aims at sharing the research carried out at the institute to all members and visitors. PhD candidates, MSc students and junior postdocs are particularly encouraged to participate in the seminars, which will also offer an opportunity to foster their communication skills.

Abstract: Floods resulting from extreme sea levels are among the costliest natural hazards, causing tens of billions of dollars in economic losses globally each year. Without adaption, such losses are certain to worsen in the decades ahead as sea level rises. Adaptation plans are key to reducing this vulnerability while also avoiding costly overprotection measures. However, their success relies on knowledge of how changes in mean climate affect the likelihood of extreme sea-level events. This effect can occur through both changes in storminess and changes in mean sea level (e.g., sea-level rise). While the effects of sea-level rise on extremes are easy to quantify, the role of changes in storminess is challenging to determine owing to low signal-to-noise ratios. Here, I will demonstrate that spatial coherence in sea-level extremes can be leveraged using Bayesian methods to drastically improve signal-to-noise ratios, allowing confident detection and attribution of changes in event probabilities. I will show that, contrary to the prevailing view, trends in surge extremes and sea-level rise both made comparable contributions to the overall change in extreme sea levels in Europe since 1960. The trend pattern of storm surge extremes reflects a combination of a north–south dipole associated with internal climate variability and a single-sign positive pattern related to anthropogenic forcing. These changes are consistent with a strengthening and eastward extension of the North Atlantic storm track, leading to increased storminess over Northwestern and Central Europe.

Francisco M. Calafat is a senior scientist at the National Oceanography Centre (NOC) in the UK and a former Marie Curie Postdoctoral Fellow (2011-2014). He obtained his PhD in Physics from the University of the Balearic Islands in 2010. Francisco is interested in the physics of sea-level changes, the influence of climate change on extreme weather and, increasingly, the transport of heat by ocean circulation. He is currently the NOC PI on the Sea-level CCI+ project focusing on understanding regional influences on global mean sea level, NOC PI on the 4DAtlantic project to quantify ocean heat transport using satellite data, and Co-I on the EPOC project to explain and predict the Atlantic meridional overturning circulation.

Doctoral thesis defense: "Diagnosing 3D ocean fine-scale dynamics: towards the integration of models, remote-sensing and in-situ observations through deep-learning and variational approaches"  by Eugenio Cutolo.

July 14, 2023

11 a.m.

IMEDEA's Seminar Room (first floor) 

Mediterranean Institute for Advanced Studies, Esporles

The court will be composed of: 

Bruno Buongiorno Nardelli, CNR, President.

Aida Alvera Azcárate, U. Liege, Secretary. 

Vincent Combes, IMEDEA(CSIC-UIB), Vocal.

Martina Martorell Barceló will present "Chronotypes - Personality Behavioural Syndromes in a Wild Marine Fish", a 30' speak. You can check the abstract here. 

Afterwards, there will be soft drinks and beers for all attendees.

This cycle of seminars aims at sharing the research carried out at the institute to all members and visitors. PhD candidates, MSc students and junior postdocs are particularly encouraged to participate in the seminars, which will also offer an opportunity to foster their communication skills.

Tenim el plaer de convidar-vos a la defensa de la tesi doctoral amb títol "Ecology and management of the common dolphinfish (Coryphaena hippurus) in a warming Mediterranean", que serà defensada per D. Vicenç Moltó Seguí. La tesi ha estat dirigida pels Drs. Ignasi Catalán (IMEDEA), Francisco Alemany (ICCAT) i Andrés Ospina (IMEDEA).

La defensa tendrà lloc dia 7 de setembre a les 11:00 a la Sala de Graus de l'edifici Antoni Maria Alcover i Sureda, UIB.

Hi podeu accedir en remot en aquest enllaç.

Hi podeu accedir al resum en aquest enllaç.

Presentació de Treball de fi de Màster 

 

Alumna:  Elisabet Verger Miralles 

   

Títol Treball: Mesoscale ocean structure reconstruction through data collection and analysis in the framework of the FAST-SWOT project 

 

Directors: Dres. Ananda Pascual Ascaso i Bárbara Barceló Llull (IMEDEA), ponent UIB: Angel M. Amores Maimó 

 

Data: Dijous 14 Setembre 2023    10h    

Lloc:  Aula 04b, Ed. Antoni Maria Alcover i Sureda (CEP)