Nicolas Florsch

Professeur

Tél . : 06 38 15 63 82
Fax  : 01 44 27 45 88
Courriel nicolas.florsch(at)upmc.fr

    UMI 209

Couloir 56-46
3ème étage, case 105
4, place Jussieu 75252
Paris cedex 05

accueil

publications

Gravimetry – Geodesy - Hydrogeodesy

• A silica long base tiltmeter with high stability and resolution
• A simple method to retrieve the complex eigenfrequency of the Earth's nearly diurnal-free wobble
• Bayesian estimation of the free core nutation parameters from the analysis of precise tidal gravity
• Crustal thickness in Antarctica from CHAMP gravimetry
• Estimation of the Free Core Nutation parameters from SG data Sensitivity study
• GPS measurements of ocean loading and its impact on zenith tropospheric delay estimates
• L’inclinométrie un nouvel outil pour le suivi temporel des aquifères
• Local and global hydrological contributions to gravity variations observed in Strasbourg
• Local hydrology, the Global Geodynamics Project and CHAMP GRACE perspective - some case studies
• Mise en évidence d'ondes de marée quart-diurnes de quelques pico-g d amplitude
• Modelling atmospheric and induced non-tidal oceanic loading contributions to surface gravity and tilt measurements
• Multi-technique monitoring of ocean tide loading in northern France
• Neotectonics and current hydrologically-induced karst deformation - Case study of the Plateau de Calern
• Non-invasive monitoring of water content and textural changes in clay-rocks using spectral induced polarization
• Non-invasive monitoring of water infiltration in a silty clay loam soil using Spectral Induced Polarization
• Non-linear oceanic tides observed by superconducting gravimeters in Europe
• Observation gravimétrique des surcharges océaniques - premières expériences en Bretagne
• Oceanic loading monitored by ground-based tiltmeters at Cherbourg
• On the calibration of a superconducting gravimeter using absolute gravity measurements
• Performance of Wielandt-Streckeisen STS-1 seismometers in the tidal domain
• Preliminary spectral analysis of the residual signal of a superconducting gravimeter for periods shorter than one day
• The potential of ground gravity measurements to validate GRACE data
• The search for weak harmonic signals in a spectrum with application to gravity data
• Tilt and strain deformation induced by hydrologically active natural fractures
• Validation of long-period oceanic tidal models with superconducting gravimeters
• report-inclinométrie et hydrogéologie- dea rerolle
• poster-Geodetic impact of aquifer on regional gravity survey

Hydrogeophysics / Applied geophysics

• A rapid electrical sounding method The «three-point» method - a Bayesian approach
• Archaeological Prospecting using Electric and ElectrostaticMobile Arrays
• Bayesian inference of the Cole–Cole parameters from time- and frequency-domain induced polarization
• CR1Dinv A Matlab program to invert 1D spectral induced polarization data for the Cole–Cole model including electromagnetic effects
• CR1Dinv_the code
• Determination of permeability from spectral induced polarization in granular media
• Direct estimation of the distribution of relaxation times from induced-polarization spectra using a Fourier transform analysis
• Effects of Drying on the Low-Frequency Electrical Properties of Tournemire Argillites
• Induced polarization 3D tomography of an archaeological direct reduction slag heap
• Inversion of generalized relaxation time distributions with optimized damping parameter
• Idem: the data (examples)
• Idem: the Matlab® code
• Least squares inversion of self-potential (SP) data and application to the shallow flow of ground water in sinkholes
• Localization and characterization of cracks in clay-rocks using frequency and time-domain induced polarization
• Magnetic Prospection of the Pre-Columbian Archaeological Site of El Caño
• Modelling of Maxwell–Wagner induced polarisation amplitude for clayey materials
• Quantification of slag heap volumes and masses through the use of induced polarization application to the Castel-Minier site
• Soil clay influences Acacia encroachment in a South African grassland
• Spectral induced polarization of clay-sand mixtures - Experiments and modeling
• Spectral induced polarization porosimetry
• The indirect impact of encroaching trees on gully extension - A 64 year study in a sub-humid grassland of South Africa
• The use of Slingram EM38 data for topsoil and subsoil geoelectrical characterization with a Bayesian inversion
• poster-A horizon depth as ecological indicator for grassland - Mapping approach by using geophysical methods
• poster-microgravi Chambord
• report-dehlingen_electrical_mapping
• report-geophy_potshini_2008
• report-PNRH hydrogeophysics Avignon
• report-PNRH hydrogeophysics La Proutière
• Extended abstract: L’épaisseur de l’horizon A comme indicateur écologique au sein d’un contexte agropastoral

Archaeometry

• Archaeological Prospecting using Electric and Electrostatic Mobile Arrays
• Dosages par fluorescence x portable d’ateliers médiévaux de production des métaux non ferreux
• Etude quantitative du problème de l'aérage d'une galerie de mine du XVIème siècle
• Induced polarization 3D tomography of an archaeological direct reduction slag heap
• Les prospections des ferriers de Castel Minier approche interdisciplinaire
• Magnetic Prospection of the Pre-Columbian Archaeological Site of El Caño
• Quantification of slag heap volumes and masses through the use of induced polarization application to the Castel-Minier site
• Sur l’aérage naturel des anciennes galeries de mines en zone montagneuse
• report-Copan1_nov2000
• report-Copan2_nov2000
• report-Dehlingen_electrical_mapping
• report-microgravi_Chambord

Others

o    Complete synthetic seismograms for high frequency multimode SH waves

o    Compaction of quartz sands by pressure solution using a Cole-Cole distribution of relaxation times

o    Extracting coherent regional information from local measurements with Karhunen-Loeve transform

Projects (current and past)

o   EQUIPEX CRITEX (Zone critique) tâche Polarization Provoquée

o  Projet AMIGOS (Activité Microbiologique en lien avec des signaux Isotopiques et Géophysiques comme Outils de monitoring d'une installation de Stockage de déchets non dangereux), ADEME et BRGM.

o   ANR-ECCO Hydrologie et Géodésie 2006-2008 (piloté par Nicolas Florsch)

o   ANR-ECCO POLARIS II 2006-2008 (piloté par André Revil)

o   INSU-ECCO 2005-2007 Spéciation et mobilité des contaminants métaux lourds (Pb, Zn) à l'échelle du millénaire : l'apport des analogues archéologiques (piloté par Jean-Michel Schmitt) INSU - EC2CO (2007-2009)

o   INSU-EC2CO Etude des relations entre processus microbiologiques et propriétés géophysiques dans les environnements contaminés de subsurface (Piloté par Véronique Naudet)

o   

C.V. 2015

Publication listing (<=2014)