Flagship Research Projects
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LisAlps - Explorer la lithosphère alpine en 3D par inversion de formes d'ondes des données télésismiques AlpArray - ANR 2021
Probing the 3D Alpine lithosphere by Full Waveform Inversion of the AlpArray teleseismic data
NILAFAR - Quantifier les fluctuations hydrologiques, documenter leurs conséquences sur les communautés humaines passées - ANR PRC 2021
The NILe and AFAR regions: hydrologic changes and impact on human adaptation in the last 20,000 years
EARLI - Détection de signaux sismiques précoces en utilisant l'intelligence artificielle - ERC 2021
Detection od Early seismic signal using ARtificial Intelligence
WIND - Inversion de formes d'ondes - Consortium Pétrolier 2020
Waveform Inversion of Node Data
S5 - Séismes Lents & Essaims Sismiques - ANR 2019
Synchronous Slow Slip & Seismic Swarm
MARACAS - Les terrasses marines comme proxy pour l’appréhension de l’aléa sismique - ANR JC 2018
MARine terraces alonf the northern Andean Coast as a proxy for seismic hazard ASsessment
Et aussi...
All the labs former projects
OSMOSE - tOward a multi-stakeholder Socio-seisMological Observation network for Seismic risk rEduction in Haiti - ANR 2022
| Over the past 50 years, earthquakes cost US$ 800 billions – mostly developed countries – and 1.3 million human lives – mostly in developing countries. While these figures show no sign of inflection, risk awareness continues to apply the classic approach where knowledge owned by scientists is translated “downward” to the public and decision-makers. Could a reverse, “bottom-up” approach where citizens collect and share information on earthquakes, be an alternate model? |
LisAlps - Probing the 3D Alpine lithosphere by Full Waveform Inversion of the AlpArray teleseismic data - ANR 2021
The Alpine chain has historically been one of the main natural laboratories to study orogenesis due to its outstanding outcrop conditions. Despite countless investigations, the deep structures imaged by geophysical methods and related tectonic processes remain controversial, due to the high complexity of the chain but also from the lack of high-resolution structural information at depth. To fill this gap, the European AlpArray consortium deployed 628 broadband stations, spaced less than 52 km apart, across the whole chain, and 30 ocean-bottom seismometers in the Ligurian basin, hence providing a unique opportunity for a step change in the 3D imaging of the Alpine lithosphere and asthenosphere. The LisAlps project proposes to apply Full Waveform Inversion (FWI) on the teleseismic data recorded during AlpArray to build:
(1) a new reference high-resolution multi-parametric (1500x700 km) model of the alpine lithosphere and asthenosphere down to 700km depth from the entire network and a catalogue of ~300 teleseismic earthquakes (periods: 5s-20s);
(2) a high-resolution model of the lithosphere in the western Alps around the structurally-complex Ligurian knot.
NILAFAR - The NILE & AFAR areas: hydrological change sensitivity and impact on past human adaptation since 20,000 years
The NILAFAR program proposes to study the impact of hydrological fluctuations on societies in NE Africa over the last 20,000 years and in particular on the development of pastoralism. NILAFAR also aims to better understand the climatic mechanisms at the origin of the fluctuation intensity of the African monsoon (external forcing and internal feedbacks of the climate system), and at the origin of short hyperarid episodes. During the African Humid Period (AHP) these episodes saw the retraction or dissemination of particularly mobile human groups. In an environment that may have been as limiting as it was stimulating due to the alternance of these hyperarid and wet phases, populations innovated using new economic strategies, shifting from a predation to a production economy.
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