Search Results - "LLUBES, M"

Snow- and ice-height change in Antarctica from satellite gravimetry and altimetry data by Mémin, A., Flament, T., Rémy, F., Llubes, M.

“…We combine the surface-elevation and surface-mass change derived from Envisat data and GRACE solutions, respectively, to estimate regional changes in air and…”
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Interannual variations of the mass balance of the Antarctica and Greenland ice sheets from GRACE by Ramillien, G., Lombard, A., Cazenave, A., Ivins, E.R., Llubes, M., Remy, F., Biancale, R.

“…We propose a new estimate of the mass balance of the West/East Antarctica and Greenland ice sheets from GRACE for the recent period (July 2002–March 2005) and…”
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Relations between basal condition, subglacial hydrological networks and geothermal flux in Antarctica by Llubes, Muriel, Lanseau, Cédric, Rémy, Frédérique

“…When modelling the Antarctic ice sheet, the velocity of the ice flow is linked to its temperature. Depending on the thermal rate, the flow rate may vary…”
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A comparison of tidal ocean loading models using superconducting gravimeter data by Boy, J.-P., Llubes, M., Hinderer, Jacques, Florsch, Nicolas

“…Errors in global ocean models have been shown to be larger than the accuracy of surface gravity measurements [Baker and Bos, 2001] and also new space gravity…”
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Local hydrology, the Global Geodynamics Project and CHAMP/GRACE perspective: some case studies by Llubes, M., Florsch, N., Hinderer, J., Longuevergne, L., Amalvict, M.

“…We first quantify the influence of aquifers on gravity variations by considering local, regional and continental scales. We show that locally only the direct…”
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Antarctica seasonal mass variations detected by GRACE by Llubes, Muriel, Lemoine, Jean-Michel, Rémy, Frédérique

“…The newly available GRGS-EIGEN-GL04-30day solutions computed by the GRGS group in Toulouse are used to study inter- and intra-annual mass variations in…”
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Ocean tide loading (OTL) displacements from global and local grids: comparisons to GPS estimates over the shelf of Brittany, France by Melachroinos, Stavros A., Biancale, R., Llubes, M., Perosanz, F., Lyard, F., Vergnolle, M., Bouin, M. -N., Masson, F., Nicolas, J., Morel, L., Durand, S.

“…In this paper we examine OTL displacements detected by GPS stations of a dedicated campaign and validate ocean tide models. Our area of study is the…”
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Crustal thickness in Antarctica from CHAMP gravimetry by Llubes, M., Florsch, N., Legresy, B., Lemoine, J.-M., Loyer, S., Crossley, D., Rémy, F.

“…CHAMP, flying at an altitude of about 400 km, is the first of a new generation of satellites dedicated to Earth gravity field observation. The high- quality…”
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Ground deformation and gravity variations modelled from present-day ice thinning in the vicinity of glaciers by Memin, A., Rogister, Y., Hinderer, J., Llubes, M., Berthier, E., Boy, J.-P.

“…The solid Earth deforms because of post-glacial rebound due to the viscous relaxation following the last deglaciation but also because of present-day elastic…”
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The level of the Grímsvötn subglacial lake, Vatnajökull, Iceland, monitored with SPOT5 images by Berthier, E., Björnsson, H., Pálsson, F., Feigl, K.L., Llubes, M., Rémy, F.

“…We describe the vertical displacement field of an ice shelf floating on a subglacial lake, Grímsvötn, located underneath the Vatnajökull ice cap (Iceland). The…”
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GPS measurements of ocean loading and its impact on zenith tropospheric delay estimates: a case study in Brittany, France by VEY, S, CALAIS, E, HAASE, J. S, LLUBES, M, FLORSCH, N, WOPPELMANN, G, HINDERER, J, AMALVICT, M, LALANCETTE, M. F, SIMON, B, DUQUENNE, F

“…The results from a global positioning system (GPS) experiment carried out in Brittany, France, in October 1999, aimed at measuring crustal displacements caused…”
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Validation of long-period oceanic tidal models with superconducting gravimeters by Boy, Jean-Paul, Llubes, Muriel, Ray, Richard, Hinderer, Jacques, Florsch, Nicolas

“…Long gravity records from 18 superconducting gravimeters (SG) are used to estimate ocean tide loading for the monthly (Mm) and fortnightly (Mf) tidal waves…”
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The potential of ground gravity measurements to validate GRACE data by Crossley, D, Hinderer, J, Llubes, M, Florsch, N

“…New satellite missions are returning high precision, time-varying, satellite measurements of the Earth’s gravity field. The GRACE mission is now in its…”
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A 2D electrical resistivity tomography survey of a vineyard plot of the Gaillac appellation (France): interpretation with respect to possible implications on vine water supply by Pierre Courjault-Radé, Muriel Llubes, José Darrozes, Marguerite Munoz, Eric Maire, Nicolas Hirissou

“…Aims: The aim of this 2D electrical resistivity tomography (ERT) survey performed on a vineyard plot of the Gaillac appellation was to investigate spatial and…”
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Testing recent global ocean tide models with loading gravimetric data by LLUBES, M, MAZZEGA, P

“…As soon as altimetric data from Topex/Poseidon satellite were available, several ocean tide models were able to be constructed by different teams in response…”
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Quantification of slag heap volumes and masses through the use of induced polarization: application to the Castel-Minier site by Florsch, Nicolas, Llubes, M., Téreygeol, F., Ghorbani, A., Roblet, P.

“…When used for archaeological purposes, geophysical methods are often useful for the exploration, detection and mapping of archaeological remains. In the case…”
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Crustal thickness of Antarctica estimated using data from gravimetric satellites by Llubes, Muriel, Seoane, Lucia, Bruinsma, Sean, Rémy, Frédérique

“…Computing a better crustal thickness model is still a necessary improvement in Antarctica. In this remote continent where almost all the bedrock is covered by…”
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Induced polarization 3D tomography of an archaeological direct reduction slag heap by Florsch, N., Llubes, M., Téreygeol, F.

“…ABSTRACT Both environmentalists and archaeologists are interested in the detection and quantification of the remains of mine slag heaps from ancient smelters:…”
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Estimation of the Free Core Nutation parameters from SG data: Sensitivity study and comparative analysis using linearized least-squares and Bayesian methods by Rosat, Séverine, Florsch, Nicolas, Hinderer, Jacques, Llubes, Muriel

“…The Free Core Nutation (FCN) is investigated with the help of its resonance effect on the tidal amplitudes in Superconducting Gravimeter (SG) records of the…”
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Modelling atmospheric and induced non-tidal oceanic loading contributions to surface gravity and tilt measurements by Boy, Jean-Paul, Longuevergne, Laurent, Boudin, Frédéric, Jacob, Thomas, Lyard, Florent, Llubes, Muriel, Florsch, Nicolas, Esnoult, Marie-France

“…We investigate the contribution of atmospheric and its induced non-tidal oceanic loading effects on surface time-varying gravity and tilt measurements for…”
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