Search Results - "Fourre, E"

The global distribution of natural tritium in precipitation simulated with an Atmospheric General Circulation Model and comparison with observations by Cauquoin, A., Jean-Baptiste, P., Risi, C., Fourré, É., Stenni, B., Landais, A.

“…The description of the hydrological cycle in Atmospheric General Circulation Models (GCMs) can be validated using water isotopes as tracers. Many GCMs now…”
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Tritium and radiocarbon levels in the Rhône river delta and along the French Mediterranean coastline by Jean-Baptiste, P., Fontugne, M., Fourré, E., Marang, L., Antonelli, C., Charmasson, S., Siclet, F.

“…The Rhône is characterised by a heavy concentration of nuclear-based industries including nuclear power stations and nuclear sites housing civilian and…”
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Modeling Natural Tritium in Precipitation and its Dependence on Decadal Solar Activity Variations Using the Atmospheric General Circulation Model MIROC5‐Iso by Cauquoin, A., Fourré, É., Landais, A., Okazaki, A., Yoshimura, K.

“…Modeling tritium content in water presents a meaningful way to evaluate the representation of the water cycle in climate models as it traces fluxes within and…”
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Helium and Neon in the Accreted Ice of the Subglacial Antarctic Lake Vostok by Jean‐Baptiste, P., Fourré, E., Petit, J. R., Lipenkov, V., Bulat, S., Chetverikov, Y., Raynaud, D.

“…We analyzed helium and neon in 24 samples from between 3,607 and 3,767 m (i.e., down to 2 m above the lake‐ice interface) of the accreted ice frozen to the…”
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Modeling the global bomb tritium transient signal with the AGCM LMDZ‐iso: A method to evaluate aspects of the hydrological cycle by Cauquoin, A., Jean‐Baptiste, P., Risi, C., Fourré, É., Landais, A.

“…Improving the representation of the hydrological cycle in atmospheric general circulation models (AGCMs) is one of the main challenges in modeling the Earth's…”
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Regional variations in the chemical and helium–carbon isotope composition of geothermal fluids across Tunisia by Fourré, E., Di Napoli, R., Aiuppa, A., Parello, F., Gaubi, E., Jean-Baptiste, P., Allard, P., Calabrese, S., Mamou, A. Ben

“…Tunisia has numerous thermo-mineral springs. Previous studies have shown that their chemical composition and occurrence are strongly influenced by the regional…”
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(3)He mass spectrometry for very low-level measurement of organic tritium in environmental samples by Jean-Baptiste, P, Fourré, E, Dapoigny, A, Baumier, D, Baglan, N, Alanic, G

“…The design, setup and performance of a mass spectrometric system for the analysis of low to very low-level tritium in environmental samples are described. The…”
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Recharge processes and vertical transfer investigated through long-term monitoring of dissolved gases in shallow groundwater by de Montety, V., Aquilina, L., Labasque, T., Chatton, E., Fovet, O., Ruiz, L., Fourré, E., de Dreuzy, J.R.

“…•We analyzed long-term time-series of dissolved gas tracers in groundwater.•We investigated recharge processes through time and depth using CFCs and 3H/3He…”
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Measurement of the French national tritiated-water standard by helium-3 mass spectrometry by Jean-Baptiste, P., Cassette, P., Fourré, E., Tartès, I., Dapoigny, A.

“…The 3He ingrowth technique is based on the detection of the tritium radioactive daughter, 3He, by mass spectrometry. Over the last three decades it has been…”
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Underground renewal time and mixing of the main mineral waters of Tunisia: A multi-tracer study by Jean-Baptiste, P., Fourré, E., Gaubi, E., Minster, B., Aquilina, L., Labasque, T., Michelot, J.L., Massault, M., Ben Mammou, A.

“…Bottled waters are increasingly popular in Tunisia. Most of them come from groundwaters, thus raising the question of the long-term availability of the mineral…”
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Spatial distribution of helium isotopes in volcanic gases and thermal waters along the Vanuatu (New Hebrides) volcanic arc by Jean-Baptiste, P., Allard, P., Fourré, E., Bani, P., Calabrese, S., Aiuppa, A., Gauthier, P.J., Parello, F., Pelletier, B., Garaebiti, E.

“…We report the first helium isotope survey of volcanic gases, hot springs and some olivine phenocrysts along the Vanuatu island arc, from Tanna in the south to…”
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Modelling tritium flux from water to atmosphere: application to the Loire River by Marang, L., Siclet, F., Luck, M., Maro, D., Tenailleau, L., Jean-Baptiste, P., Fourré, E., Fontugne, M.

“…Tritium ( 3H or T) is one of the major radionuclides released by nuclear power plants (NPP) into rivers. However, tritiated water (HTO) flux from water to air…”
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Chlorine transport processes through a 2000 m aquifer/aquitard system by Rebeix, R., Le Gal La Salle, C., Jean-Baptiste, P., Lavastre, V., Fourré, E., Bensenouci, F., Matray, J.M., Landrein, P., Shouakar-Stash, O., Frape, S.K., Michelot, J.L., Lancelot, J.

“…In the Paris Basin, in France, the Callovo-Oxfordian (COx) is currently studied over a 250 km2 surface area by the French national radioactive waste management…”
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Investigation of young water inflow in karst aquifers using SF 6 –CFC– 3 H/He– 85 Kr– 39 Ar and stable isotope components by Delbart, C., Barbecot, F., Valdes, D., Tognelli, A., Fourre, E., Purtschert, R., Couchoux, L., Jean-Baptiste, P.

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Dissolved helium distribution in the Oxfordian and Dogger deep aquifers of the Meuse/Haute-Marne area by Fourré, E., Jean-Baptiste, P., Dapoigny, A., Lavielle, B., Smith, T., Thomas, B., Vinsot, A.

“…► He geochemistry in aquifers below and above the COX clay-rich layer, eastern France. ► This COX layer is considered for a long-term underground nuclear waste…”
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Interglacial Antarctic–Southern Ocean climate decoupling due to moisture source area shifts by Landais, A., Stenni, B., Masson-Delmotte, V., Jouzel, J., Cauquoin, A., Fourré, E., Minster, B., Selmo, E., Extier, T., Werner, M., Vimeux, F., Uemura, R., Crotti, I., Grisart, A.

“…Succession of cold glacials and warm interglacials during the Quaternary results from large global climate responses to variable orbital configurations,…”
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Past and recent tritium levels in Arctic and Antarctic polar caps by Fourré, Elise, Jean-Baptiste, Philippe, Dapoigny, Arnaud, Baumier, Dominique, Petit, Jean-Robert, Jouzel, Jean

“…Tritium concentration was measured in snow deposited at the GRIP site (central Greenland) and at the Vostok station (east Antarctica) from snow pits covering…”
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Magmatic He distribution around Unzen volcano inferred from intensive investigation of helium isotopes in groundwater by Morikawa, N., Kazahaya, K., Fourre, E., Takahashi, H.A., Jean-Baptiste, P., Ohwada, M., LeGuern, F.J., Nakama, A.

“…The ascending magmatic component around Unzen volcano was investigated by intensive sampling and measurements of helium concentration and isotopic ratios in…”
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Helium isotope in the accreted ice of subglacial lake Vostok (Antarctica) by Jean-Baptiste, P., Fourré, E., Petit, J.R., Bulat, S., Alekina, I., Lipenkov, V.

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Organically bound tritium (OBT) and carbon-14 accumulation in the sediments off the mouth of the Rhône river by Jean-Baptiste, Philippe, Fontugne, M., Fourré, E., Charmasson, S., Marang, L., Siclet, F.

“…We have studied the recent history of organically bound tritium (OBT) and carbon-14 in suspended organic matter carried by the Rhône from the analysis of two…”
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