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LL

Laurent Longuevergne

18
Documents
Identifiants chercheurs

Présentation

I am junior researcher (CR2 CNRS) at [Geosciences Rennes](http://www.geosciences.univ-rennes1.fr/spip.php?rubrique483) laboratory since 2010, working on the development of geophysical and geodetic tools in the [hydrogeology](http://www.geosciences.univ-rennes1.fr/spip.php?rubrique413) team. After completion of an engineering degree in geophysics from the [Polytech’Paris school](https://www.polytech.upmc.fr/), I spent a year with the [French Polar Institute (IPEV)](http://www.institut-polaire.fr/) as a civil volunteer to maintain the geomagnetic and seismological observatories on the [Kerguelen Islands](http://en.wikipedia.org/wiki/Kerguelen_Islands). Then, I worked a few months with the [French Geological Survey (BRGM)](http://www.brgm.eu/) as an engineer to set up a statistical model of the Upper Rhine Aquifer. In 2004, I begun a PhD within the “hydrogeodesy” ANR project (PI: [N. Florsch](http://www.sisyphe.jussieu.fr/%7Eflorsch/)), on the development of ground geodetic instruments (tiltmeter, gravimeter) as tools for hydrology, combining field observations, modelling and process understanding as necessary steps to decipher physical processes in a fully transdisciplinary study. This contribution was awarded as best 2008 [PhD](http://tel.archives-ouvertes.fr/docs/00/31/92/05/PDF/these_longuevergne.pdf) by the [CNFGG](http://cnfgg.eu/php/index.php). During my Post-doc at the Jackson School of Geosciences, University of Texas, I extended my knowledge to GRACE gravity satellite with application to water resources and management at larger spatial scales with [B.R. Scanlon](http://www.beg.utexas.edu/personnel_ext.php?id=70). I also actively participated in the first challenge of adapting a superconducting gravimeter to the field with [C.R. Wilson](http://www.jsg.utexas.edu/researcher/clark_wilson/). My transdisciplinary skills allowed me to create living collaborations with various teams from the geodetic, hydrological and hydrometeorological communities. I am now the co-PI of the French “Future investment program” EQUIPEX “CRITEX” project, funded by ANR, which aims at developing a shared equipment network for the exploration of the Critical Zone (PI: [J. Gaillardet](http://www.ipgp.fr/%7Egaillard/jgweb/Gaillardet.Jerome.F/home.html)). This project is built on two recognized observation networks, [RBV](http://rnbv.ipgp.fr/) and[H+](http://hplus.ore.fr/en/). It gathers 15 universities and 5 research institutions (BRGM, CNRS, INRA, IRD, IRSTEA); and aims to be a meeting place dedicated to create interactions and synergy among observatory leaders, geophysicists and geochemists working around the “Critical Zone”.
I am junior researcher (CR2 CNRS) at [Geosciences Rennes](http://www.geosciences.univ-rennes1.fr/spip.php?rubrique483) laboratory since 2010, working on the development of geophysical and geodetic tools in the [hydrogeology](http://www.geosciences.univ-rennes1.fr/spip.php?rubrique413) team. After completion of an engineering degree in geophysics from the [Polytech’Paris school](https://www.polytech.upmc.fr/), I spent a year with the [French Polar Institute (IPEV)](http://www.institut-polaire.fr/) as a civil volunteer to maintain the geomagnetic and seismological observatories on the [Kerguelen Islands](http://en.wikipedia.org/wiki/Kerguelen_Islands). Then, I worked a few months with the [French Geological Survey (BRGM)](http://www.brgm.eu/) as an engineer to set up a statistical model of the Upper Rhine Aquifer. In 2004, I begun a PhD within the “hydrogeodesy” ANR project (PI: [N. Florsch](http://www.sisyphe.jussieu.fr/%7Eflorsch/)), on the development of ground geodetic instruments (tiltmeter, gravimeter) as tools for hydrology, combining field observations, modelling and process understanding as necessary steps to decipher physical processes in a fully transdisciplinary study. This contribution was awarded as best 2008 [PhD](http://tel.archives-ouvertes.fr/docs/00/31/92/05/PDF/these_longuevergne.pdf) by the [CNFGG](http://cnfgg.eu/php/index.php). During my Post-doc at the Jackson School of Geosciences, University of Texas, I extended my knowledge to GRACE gravity satellite with application to water resources and management at larger spatial scales with [B.R. Scanlon](http://www.beg.utexas.edu/personnel_ext.php?id=70). I also actively participated in the first challenge of adapting a superconducting gravimeter to the field with [C.R. Wilson](http://www.jsg.utexas.edu/researcher/clark_wilson/). My transdisciplinary skills allowed me to create living collaborations with various teams from the geodetic, hydrological and hydrometeorological communities. I am now the co-PI of the French “Future investment program” EQUIPEX “CRITEX” project, funded by ANR, which aims at developing a shared equipment network for the exploration of the Critical Zone (PI: [J. Gaillardet](http://www.ipgp.fr/%7Egaillard/jgweb/Gaillardet.Jerome.F/home.html)). This project is built on two recognized observation networks, [RBV](http://rnbv.ipgp.fr/) and[H+](http://hplus.ore.fr/en/). It gathers 15 universities and 5 research institutions (BRGM, CNRS, INRA, IRD, IRSTEA); and aims to be a meeting place dedicated to create interactions and synergy among observatory leaders, geophysicists and geochemists working around the “Critical Zone”.

Publications

philippedavy

H+, un réseau National de sites hydrogéologiques pour la caractérisation, la quantification et la modélisation des transferts d'eau, d'éléments et d'énergie dans les aquifères souterrains hétérogènes

Marie-Françoise Gérard , Tanguy Le Borgne , Olivier Bour , Cedric Champollion , Gilles Porel
Géologues, 2018, 195, pp.22-27
Article dans une revue insu-01712552v1
Image document

OZCAR : The French Network of Critical Zone Observatories

J. Gaillardet , Isabelle Braud , F. Hankard , S. Anquetin , Olivier Bour
Vadose Zone Journal, 2018, 17 (1), pp.1-24. ⟨10.2136/vzj2018.04.0067⟩
Article dans une revue insu-01944414v1
Image document

Understanding the Hydromechanical Behavior of a Fault Zone From Transient Surface Tilt and Fluid Pressure Observations at Hourly Time Scales

Jonathan Schuite , Laurent Longuevergne , Olivier Bour , Thomas J. Burbey , Fredrerick Boudin
Water Resources Research, 2017, 53 (12), pp.10558-10582. ⟨10.1002/2017WR020588⟩
Article dans une revue insu-01674282v1
Image document

Temporal and spatial scaling of hydraulic response to recharge in fractured aquifers: Insights from a frequency domain analysis

Joachin Jimenez-Martinez , Laurent Longuevergne , Tanguy Le Borgne , Philippe Davy , Anna Russian
Water Resources Research, 2013, 49 (5), pp.3007-3023. ⟨10.1002/wrcr.20260⟩
Article dans une revue insu-00907357v1
Image document

Impact of transient groundwater storage on the discharge of Himalayan rivers

Christoff Andermann , Laurent Longuevergne , Stéphane Bonnet , Alain Crave , Philippe Davy
Nature Geoscience, 2012, 5, pp.127-132. ⟨10.1038/NGEO1356⟩
Article dans une revue hal-00710433v1

Sediment transfer and the hydrological cycle of Himalayan rivers in Nepal = Transfert de sédiments et cycle hydrologique des rivières himalayennes au Népal

Cristoff Andermann , Stéphane Bonnet , Alain Crave , Philippe Davy , Laurent Longuevergne
Comptes Rendus Géoscience, 2012, 344 (11-12), pp.627-635. ⟨10.1016/j.crte.2012.10.009⟩
Article dans une revue insu-00788819v1

How does surface deformation inform on subsurface groundwater flow ?

Laurent Longuevergne , Jonathan Schuite , Maxime Mouyen , Luca Guillaumot , Olivier Bour
American Geophysical Union 2018, Fall Meeting, Dec 2018, Washington, United States. pp.NS34A-03
Communication dans un congrès insu-01928168v1

Geomorphological control on groundwater flow, transit times and water quality

Jean-Raynald de Dreuzy , Jean Marçais , Tamara Kolbe , Quentin Courtois , Laurent Longuevergne
European Geosciences Union General Assembly 2017, European Geosciences Union, Apr 2017, Vienne, Austria. pp.EGU2017-11516
Communication dans un congrès insu-01520836v1

Quantification of erosion and sedimentation using time-lapse gravimetry and Lidar in southern Taiwan

Maxime Mouyen , Philippe Steer , Thomas Croissant , Nicolas Le Moigne , Cheinway Hwang
EGU General Assembly 2016, Apr 2016, Vienna, Austria. p.9089
Communication dans un congrès insu-03605976v1

The hydrogeological observatory of Ploemeur (France) : Long-term monitoring and experimentations

Olivier Bour , Tanguy Le Borgne , Nicolas Lavenant , Thierry Labasque , Laurent Longuevergne
2013 GSA annual meeting, Oct 2013, Denver, United States. pp.212-6
Communication dans un congrès insu-00880077v1

Drilling and imaging fracture flow paths in the deep critical zone

Olivier Bour , Tanguy Le Borgne , Luc Aquilina , Thierry Labasque , Nicolas Lavenant
NSF Workshop - Drilling, Sampling, and Imaging the Depths of the Critical Zone, Clifford Riebe and Jon Chorover, Oct 2013, Denver, United States
Communication dans un congrès insu-01120197v1

Interests of hydrogeological observatories for characterizing heterogeneous groundwater systems: the example of the Ploemeur hard-rock aquifer (French Brittany)

Olivier Bour , Tanguy Le Borgne , Luc Aquilina , Thierry Labasque , Nicolas Lavenant
AGU Fall Meeting 2012, Dec 2012, San Francisco, United States. pp.H12A-01
Communication dans un congrès insu-00804724v1

A frequency domain analysis to characterize heterogeneity and recharge mechanisms in a fractured crystalline-rock aquifer

Joachin Jimenez-Martinez , Laurent Longuevergne , Tanguy Le Borgne , Philippe Davy , Olivier Bour
American Geophysical Union Fall Meeting 2011, Dec 2011, San Francisco, Californie, United States. pp.H51M-04
Communication dans un congrès insu-00667843v1

Connecting hydrology and suspended sediment transport with precipitation in the Nepal Himalayas

Cristoff Andermann , Stéphane Bonnet , Alain Crave , Philippe Davy , Laurent Longuevergne
AGU Fall Meeting 2011, American Geophysical Union, Dec 2011, San Francisco, United States
Communication dans un congrès insu-01122547v1

The real cause of the suspended sediment transport - river discharge hysteresis loop, in the Nepal Himalayas

Cristoff Andermann , Stéphane Bonnet , Alain Crave , Philippe Davy , R. Gloaguen
AGU Fall Meeting 2011, American Geophysical Union, Dec 2011, San Francisco, United States
Communication dans un congrès insu-01119821v1