Zobrazeno 1 - 10
of 100
pro vyhledávání: '"P. H. Blard"'
Publikováno v:
Cuadernos de Investigación Geográfica, Vol 43, Iss 2, Pp 629-648 (2017)
The sensitivity of tropical glaciers to paleoclimatic conditions that prevailed during the Antarctic cold reversal (ACR, ca. 14.5-12.9 ka) has been the subject of a wide debate. In 2014 a paper suggested that tropical glaciers responded very sensitiv
Externí odkaz:
https://doaj.org/article/fe92eed25fcc4890b460865110353d0a
Autor:
P. R. Bierman, A. J. Christ, C. M. Collins, H. M. Mastro, J. Souza, P.-H. Blard, S. Brachfeld, Z. R. Courville, T. M. Rittenour, E. K. Thomas, J.-L. Tison, F. Fripiat
Publikováno v:
The Cryosphere, Vol 18, Pp 4029-4052 (2024)
Basal materials in ice cores hold information about paleoclimate conditions, glacial processes, and the timing of past ice-free intervals, all of which aid understanding of ice sheet stability and its contribution to sea level rise in a warming clima
Externí odkaz:
https://doaj.org/article/4580b70a1772419193149764fe9dcbbd
Autor:
P. Doll, S. R. Eaves, B. M. Kennedy, P.-H. Blard, A. R. L. Nichols, G. S. Leonard, D. B. Townsend, J. W. Cole, C. E. Conway, S. Baldwin, G. Fénisse, L. Zimmermann, B. Tibari
Publikováno v:
Geochronology, Vol 6, Pp 365-395 (2024)
Accurate volcanic hazard assessments rely on a detailed understanding of the timing of past eruptions. While radiometric methods like 40Ar/39Ar or K/Ar are by far the most conventional lava flow dating tools, their low resolution for young ( ka) depo
Externí odkaz:
https://doaj.org/article/c07b2249c3764b9ab04190e6ca799626
Autor:
A. Balter-Kennedy, J. M. Schaefer, R. Schwartz, J. L. Lamp, L. Penrose, J. Middleton, J. Hanley, B. Tibari, P.-H. Blard, G. Winckler, A. J. Hidy, G. Balco
Publikováno v:
Geochronology, Vol 5, Pp 301-321 (2023)
Here, we present cosmogenic-10Be and cosmogenic-3He data from Ferrar dolerite pyroxenes in surficial rock samples and a bedrock core from the McMurdo Dry Valleys, Antarctica, with the goal of refining the laboratory methods for extracting beryllium f
Externí odkaz:
https://doaj.org/article/d5a14dc692d848da803f3acd24109377
Autor:
J. W. Marschalek, P.‐H. Blard, E. Sarigulyan, W. Ehrmann, S. R. Hemming, S. N. Thomson, C.‐D. Hillenbrand, K. Licht, J.‐L. Tison, L. Ardoin, F. Fripiat, C. S. Allen, Y. Marrocchi, M. J. Siegert, T. van deFlierdt
Publikováno v:
Geophysical Research Letters, Vol 51, Iss 5, Pp n/a-n/a (2024)
Abstract Provenance records from sediments deposited offshore of the West Antarctic Ice Sheet (WAIS) can help identify past major ice retreat, thus constraining ice‐sheet models projecting future sea‐level rise. Interpretations from such records
Externí odkaz:
https://doaj.org/article/4338bfdfd9d54bd3a524e0528fddaf44
Publikováno v:
Hydrology and Earth System Sciences, Vol 26, Pp 2637-2648 (2022)
Although natural CO2-rich groundwaters of eastern Belgium have been known for centuries, the exact origin of their gas is still unclear. This paper presents the results of a sampling campaign in Belgium (Spa, Stoumont, Malmedy): 30 samples of both ca
Externí odkaz:
https://doaj.org/article/ac56ffce3e88447a865a72caf7ad1171
Autor:
V. Jomelli, D. Swingedouw, M. Vuille, V. Favier, B. Goehring, J. Shakun, R. Braucher, I. Schimmelpfennig, L. Menviel, A. Rabatel, L. C. P. Martin, P.-H. Blard, T. Condom, M. Lupker, M. Christl, Z. He, D. Verfaillie, A. Gorin, G. Aumaître, D. L. Bourlès, K. Keddadouche
Publikováno v:
Nature Communications, Vol 13, Iss 1, Pp 1-11 (2022)
Glaciers showed a similar evolution in Greenland, Europe, the US and the tropical Andes during the Holocene. The authors propose the Atlantic Meridional Ocean Overturning Circulation as a key driver of this trend.
Externí odkaz:
https://doaj.org/article/a210f3a4279c4f7abc4b76f53a90c992
Publikováno v:
Earth Surface Dynamics, Vol 7, Pp 1059-1074 (2019)
Marine sedimentary archives are well dated and often span several glacial cycles; cosmogenic 10Be concentrations in their detrital quartz grains could thus offer the opportunity to reconstruct a wealth of past denudation rates. However, these archive
Externí odkaz:
https://doaj.org/article/a59ccf7ce52242f08c52efc20b54b32d
Autor:
P.-H. Blard, B. Suchéras-Marx, G. Suan, B. Godet, B. Tibari, J. Dutilleul, T. Mezine, T. Adatte
Publikováno v:
Earth and Planetary Science Letters
Earth and Planetary Science Letters, 2023, 614, pp.118173. ⟨10.1016/j.epsl.2023.118173⟩
Earth and Planetary Science Letters, 2023, 614, pp.118173. ⟨10.1016/j.epsl.2023.118173⟩
International audience; Marl-limestone alternations are rhythmical inter-bedded deposits that commonly occur in many sedimentological environments. It is quite well established that these lithological variations originate from astronomically-driven c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::717bbd2afff53b8343bdf9ca593bc738
https://insu.hal.science/insu-04131488
https://insu.hal.science/insu-04131488
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