Explore the words cloud of the GEO-4D project. It provides you a very rough idea of what is the project "GEO-4D" about.
The following table provides information about the project.
ECOLE NORMALE SUPERIEURE
|Coordinator Country||France [FR]|
|Total cost||1˙499˙125 €|
|EC max contribution||1˙499˙125 € (100%)|
1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
|Duration (year-month-day)||from 2018-01-01 to 2022-12-31|
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|1||ECOLE NORMALE SUPERIEURE||FR (PARIS CEDEX 05)||coordinator||1˙499˙125.00|
Recent space-based geodetic measurements of ground deformation suggest a paradigm shift is required in our understanding of the behaviour of active tectonic faults. The classic view of faults classified in two groups – the locked faults prone to generate earthquakes and the creeping faults releasing stress through continuous aseismic slip – is now obscured by more and more studies shedding light on a wide variety of seismic and aseismic slip events of variable duration and size. What physical mechanism controls whether a tectonic fault will generate a dynamic, catastrophic rupture or gently release energy aseismically? Answering such a fundamental question requires a tool for systematic and global detection of all modes of slip along active faults. The launch of the Sentinel 1 constellation is a game changer as it provides, from now on, systematic Radar mapping of all actively deforming regions in the world with a 6-day return period. Such wealth of data represents an opportunity as well as a challenge we need to meet today. In order to expand the detection and characterization of all slip events to a global scale, I will develop a tool based on machine learning procedures merging the detection capabilities of all data types, including Sentinel 1 data, to build time series of ground motion. The first step is the development of a geodetic data assimilation method with forecasting ability toward the first re-analysis of active fault motion and tectonic phenomena. The second step is a validation of the method on three faults, including the well-instrumented San Andreas (USA) and Longitudinal Valley faults (Taiwan) and the North Anatolian Fault (NAF, Turkey). I will deploy a specifically designed GPS network along the NAF to compare with outputs of our method. The third step is the intensive use of the algorithm on a global scale to detect slip events of all temporal and spatial scales for a better understanding of the slip behaviour along all active continental faults.
|year||authors and title||journal||last update|
Bryan Riel, Mark Simons, Daniel Ponti, Piyush Agram, Romain Jolivet
Quantifying Ground Deformation in the Los Angeles and Santa Ana Coastal Basins Due to Groundwater Withdrawal
published pages: 3557-3582, ISSN: 0043-1397, DOI: 10.1029/2017wr021978
|Water Resources Research 54/5||2019-08-29|
B. Gombert, Z. Duputel, E. Shabani, L. Rivera, R. Jolivet, J. Hollingsworth
Impulsive Source of the 2017 M W =7.3 Ezgeleh, Iran, Earthquake
published pages: , ISSN: 0094-8276, DOI: 10.1029/2018gl081794
|Geophysical Research Letters||2019-08-29|
R. Jolivet, M. Simons
A Multipixel Time Series Analysis Method Accounting for Ground Motion, Atmospheric Noise, and Orbital Errors
published pages: 1814-1824, ISSN: 0094-8276, DOI: 10.1002/2017gl076533
|Geophysical Research Letters 45/4||2019-08-29|
B. Gardonio, R. Jolivet, E. Calais, H. LeclÃ¨re
The April 2017 M w 6.5 Botswana Earthquake: An Intraplate Event Triggered by Deep Fluids
published pages: 8886-8896, ISSN: 0094-8276, DOI: 10.1029/2018gl078297
|Geophysical Research Letters 45/17||2019-08-29|
B. Gombert, Z. Duputel, R. Jolivet, M. Simons, J. Jiang, C. Liang, E.J. Fielding, L. Rivera
Strain budget of the Ecuadorâ€“Colombia subduction zone: A stochastic view
published pages: 288-299, ISSN: 0012-821X, DOI: 10.1016/j.epsl.2018.06.046
|Earth and Planetary Science Letters 498||2019-08-29|
Pierre Romanet, Harsha S. Bhat, Romain Jolivet, RaÃºl Madariaga
Fast and Slow Slip Events Emerge Due to Fault Geometrical Complexity
published pages: 4809-4819, ISSN: 0094-8276, DOI: 10.1029/2018gl077579
|Geophysical Research Letters 45/10||2019-08-29|
B Gombert, Z Duputel, R Jolivet, C Doubre, L Rivera, M Simons
Revisiting the 1992 Landers earthquake: a Bayesian exploration of co-seismic slip and off-fault damage
published pages: 839-852, ISSN: 0956-540X, DOI: 10.1093/gji/ggx455
|Geophysical Journal International 212/2||2019-08-29|
Sylvain Michel, Jeanâ€Philippe Avouac, Romain Jolivet, Lifeng Wang
Seismic and Aseismic Moment Budget and Implication for the Seismic Potential of the Parkfield Segment of the San Andreas Fault
published pages: 19-38, ISSN: 0037-1106, DOI: 10.1785/0120160290
|Bulletin of the Seismological Society of America 108/1||2019-08-29|
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