Zobrazeno 1 - 10
of 127
pro vyhledávání: '"M. Pourchet"'
Autor:
Jean-Robert Petit, Hans-Arno Synal, Juerg Beer, Raimund Muscheler, M Pourchet, Robert J. Delmas
Publikováno v:
Tellus B. 56:492-498
A large pulse of atmospheric 36 Cl generated by a limited number of nuclear tests peaked in the late 1950s to early 1960s. The corresponding enhanced 36 Cl deposition is seen in various glaciological archives in the Northern Hemisphere. The profile o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5eccb43b532dff710ec8684a70e7c77d
https://doi.org/10.1111/j.1600-0889.2004.00109.x
https://doi.org/10.1111/j.1600-0889.2004.00109.x
Publikováno v:
Scopus-Elsevier
In the framework of the International Trans-Antarctic Scientific Expedition (ITASE) programme, France and Italy carried out a traverse along one west–east and two north–south transects in East Antarctica from November 2001 to January 2002. Eighte
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bd79bcfb13817a347ca26d8439f96cdd
https://doi.org/10.3189/172756404781813961
https://doi.org/10.3189/172756404781813961
Publikováno v:
Science of The Total Environment. 311:261-267
A study of total Hg concentration in the foliage of the canopy was carried out in two remote areas in French Guiana. The sampled canopy is representative of the French Guiana canopy. The concentration in the foliage, 64+/-14 ngg(-1) (dry wt.), is use
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cfc97d242e2eaf98662d3430ce9bb672
https://doi.org/10.1016/s0048-9697(03)00142-6
https://doi.org/10.1016/s0048-9697(03)00142-6
Publikováno v:
Journal De Physique Iv (1155-4339) (EDP Sciences), 2003-05, Vol. 107, P. 859-862
Abstracl. Wc prescnt results obtained l'rom a pristine sitc of Frcnch Guiana (South America), at the Pic Matecho, a region far l'rom goldmining activity. This arca contains a small permanent lake, a rare situation in French Guiana. Trec canopy, soils
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5fc1fe8a5f318b64d6925d4b658d1e27
https://doi.org/10.1051/jp4:20030433
https://doi.org/10.1051/jp4:20030433
Publikováno v:
Journal of Environmental Radioactivity. 68:137-158
A detailed and comprehensive map of the distribution patterns for both natural and artificial radionuclides over Antarctica has been established. This work integrates the results of several decades of international programs focusing on the analysis o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ea992f72a05d74d856eb7caf06733540
https://doi.org/10.1016/s0265-931x(03)00055-9
https://doi.org/10.1016/s0265-931x(03)00055-9
Publikováno v:
Journal of Environmental Radioactivity. 48:349-357
In the Mont Blanc area, French Alps, the 210 Pb deposition flux density estimated from snow cores reaches an unexpected 8400 Bq m−2 yr−1, up to eighty times the mean regional values (110 Bq m−2 yr−1). After an eight-day measurement campaign i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c1e9432bbcb16c5997dc3b3b180f4b8a
https://doi.org/10.1016/s0265-931x(99)00084-3
https://doi.org/10.1016/s0265-931x(99)00084-3
Publikováno v:
Comptes Rendus de l'Académie des Sciences - Series IIA - Earth and Planetary Science. 327:721-725
Concentration of 7Be in air or in precipitation in various areas suggests that this radionuclide can be used to estimate the last annual snow accumulation in cold glaciers. This new method is tested in the Mont Blanc area.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4647c588ca8edf3d6d8b96ff7ec48472
https://doi.org/10.1016/s1251-8050(99)80041-x
https://doi.org/10.1016/s1251-8050(99)80041-x
Autor:
E. Espi, Sungmin Hong, M. Pourchet, C.F. Boutron, William Shotyk, C. Ferrari, Laurent Charlet
Publikováno v:
Water, Air, and Soil Pollution. 100:289-296
A core consisting of minerogenic peat and organic-rich mineral sediments was collected at an altitude of 4275 m in the Ovejuyo valley, 100 km NE of La Paz in Bolivia. Age dating with 210Pb showed that the core represents approximately three centuries
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0a5e4a10de36cbffd7431b80e115e46a
https://doi.org/10.1023/a:1018364208168
https://doi.org/10.1023/a:1018364208168
Publikováno v:
Annals of Glaciology. 24:54-59
In order to determine the equilibrium line (EL) and the annual net mass balance over the accumulation area of Finsterwalderbreen, Spitsbergen, Svalbard (by detection of the 1962–63 radioactive peak from the 1961–62 atmospheric nuclear tests), we
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::315c745d093779d3c476f3464b8e5ecb
https://doi.org/10.1017/s0260305500011939
https://doi.org/10.1017/s0260305500011939
Autor:
J.F. Pinglot, M. Pourchet
Publikováno v:
Science of The Total Environment. :211-223
The behaviour of glaciers, polar ice-caps and lakes can be studied by means of natural and artificial radioactivity measurements conducted on snow (Alps, Arctic and Antarctic) and sediments samples. The nuclear decay of elements ( 210 Pb and 238 U fi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c6e58b9906ab185ae87722dd6a0d1157
https://doi.org/10.1016/0048-9697(95)04779-4
https://doi.org/10.1016/0048-9697(95)04779-4