Výsledky vyhledávání - "R. Chesselet"

Elektronická kniha

Dynamic Processes in the Chemistry of the Upper Ocean

Autor: J.D. Burton, P.G. Brewer, R. Chesselet

The. Advanced Research Inst i tute (ARI) on Dynamic Processes in the Chemistry of the Upper OCean had its origins in discussions by the NATO Special Programme Panel on Marine Sciences during 1978 when a wide range of topics for future ARIs was being

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Sources and transport of suspended calcites in Pacific Deep Water

Autor: R. Chesselet, C. E. Lambere, Jean-Claude Brun-Cottan, R. Auger

Publikováno v: Journal of marine research
Journal of marine research, 1991, 49 (3), pp.543-564. ⟨10.1357/002224091784995837⟩

International audience; Significantly large concentrations of suspended matter, especially calcites, are found at some locations in the Deep Pacific, particularly at the depth of the Pacific Benthic Thermocline. These particle-rich layers cannot be e

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::75c418bf22f29613de3698a8c6e31a76
https://doi.org/10.1357/002224091784995837

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On suspended barite and the oxygen minimum in the Southern Ocean

Autor: C. Goyet, Alain Poisson, Frank Dehairs, Leo Goeyens, N. Stroobants, P. Bernard, R. Chesselet

Publikováno v: Global Biogeochemical Cycles
Global Biogeochemical Cycles, 1990, 4 (1), pp.85-102. ⟨10.1029/GB004i001p00085⟩

Particulate Ba profiles were measured in the Indian sector of the southern ocean. The largest fraction (>80%) of this barium is present as barite microcrystals. The profiles of total barium are characterized by a subsurface maximum between 200 and 50

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9e2303fa34ebc00e67f95a2cb8a0ad0c
https://doi.org/10.1029/gb004i001p00085

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Discrete suspended particles of barite and the barium cycle in the open ocean

Autor: J. Jedwab, Frank Dehairs, R. Chesselet

Publikováno v: Earth and Planetary Science Letters
Earth and Planetary Science Letters, Elsevier, 1980, 49 (2), pp.528-550. ⟨10.1016/0012-821X(80)90094-1⟩
Earth and Planetary Science Letters, 1980, 49 (2), pp.528-550. ⟨10.1016/0012-821X(80)90094-1⟩

Barite particles are a universal component of suspended matter in the Atlantic and Pacific Oceans. This is demonstrated by scanning electron microscope and electron microprobe analyses of samples collected during the GEOSECS program. These discrete p

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::81f587d59fdd6ffec3e07700324894fc
https://doi.org/10.1016/0012-821x(80)90094-1

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Identification of the chemical compounds of the marine aerosols using the Raman microprobe mole

Autor: J.P. Forgerit, A. Goypiron, C. Lambert, R. Foglizzo, C. de Lozé, R. Chesselet

Publikováno v: Analytical Techniques in Environmental Chemistry
Analytical Techniques in Environmental Chemistry, Elsevier, pp.389-395, 1982, ⟨10.1016/B978-0-08-028740-9.50046-X⟩

Raman spectra of marine aerosol particles were recorded using the Raman microprobe MOLE. The samples were collected in clean marine air at Enewetak atoll during the SEAREX (Sea-Air Exchange) program field experiment. The sizes of the particles invest

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2f184cc0d201f251aa555b46d266c476
https://hal.science/hal-03511751

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L'aluminium, le fer et le manganese dans les particules en suspension a l'approche de l'interface eau-sediment dans l'Atlantique et le Pacifique

Autor: C. Lambert, R. Chesselet

Publikováno v: Bulletin de la Société Géologique de France
Bulletin de la Société Géologique de France, 1977, S7-XIX (2), pp.235-240. ⟨10.2113/gssgfbull.S7-XIX.2.235⟩
Bulletin de la Société Géologique de France, Société géologique de France, 1977, S7-XIX (2), pp.235-240. ⟨10.2113/gssgfbull.S7-XIX.2.235⟩

International audience

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::29490b5ea2372da879244b4ccadd23f0
https://hal.science/hal-03408260

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Extra-terrestrial $^{53}$Mn in Antarctic ice

Autor: Edgardo Picciotto, R. Bibron, G. Leger, R. Chesselet, J.P. Mennessier, Ghislaine Crozaz

Publikováno v: Earth and Planetary Science Letters
Earth and Planetary Science Letters, 1974, 21 (2), pp.109-116. ⟨10.1016/0012-821X(74)90043-0⟩
Earth and Planetary Science Letters, Elsevier, 1974, 21 (2), pp.109-116. ⟨10.1016/0012-821X(74)90043-0⟩
Earth and planetary science letters, 21 (2

The reasons why 53Mn (a cosmogenic radionuclide with a half-life of 3.7 × 106 y) appears as one of the best indicators of the presence of interplanetary dust are summarized. This paper reports the detection of 53Mn in pre-1952 snow samples collected

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::939c9f818a7aae171b9d345aa80ab54a
https://hal.science/hal-03406787

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Report of Working Group II: Particles

Autor: J. D. Burton, P. G. Brewer, R. Chesselet

Publikováno v: Dynamic Processes in the Chemistry of the Upper Ocean ISBN: 9781468452174

The nature and fluxes of particles occurring in the open ocean surface layer are depicted schematically in Fig. 1. The net flux of particles from the atmosphere to the surface ocean is comprised of both an external input of continental aerosols and a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1ce4b0cfe7edd6d90762efc99dc8bb1b
https://doi.org/10.1007/978-1-4684-5215-0_2

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The Holocene sedimentary regime in the northern Mid-Atlantic Ridge region

Autor: R. Chesselet, F.E. Grousset

Publikováno v: Earth and Planetary Science Letters
Earth and Planetary Science Letters, 1986, 78 (2-3), pp.271-287. ⟨10.1016/0012-821X(86)90067-1⟩

The Holocene (10,000 yr B.P.) Mid-Atlantic Ridge sedimentary regime between 45°N and 65°N has been investigated by examination of sediments from 70 cores. Smectite, chlorite and quartz,87Sr/86Sr isotopes and REE have been used as conservative trace

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6508d4a8acdced33b1cc2792503e3b88
https://hal.science/hal-03540540

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Particulate aluminium, iron and manganese chemistry at the deep Atlantic boundary layer

Autor: James K. B. Bishop, C.E. Lambert, R. Chesselet, Pierre E. Biscaye

Publikováno v: Earth and Planetary Science Letters
Earth and Planetary Science Letters, Elsevier, 1984, 70 (2), pp.237-248. ⟨10.1016/0012-821X(84)90008-6⟩
Earth and Planetary Science Letters, 1984, 70 (2), pp.237-248. ⟨10.1016/0012-821X(84)90008-6⟩

Scanning electron microscopy and instrumental neutron activation analyses of filtered suspended matter from the Atlantic Ocean show that particulate aluminium (Al p ) is a sensitive measure of bottom derived or resuspended material. The proportion of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8571b0f8e8dfdefc250361ecba72fc23
https://hal.archives-ouvertes.fr/hal-03518671

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