Zobrazeno 1 - 10
of 162
pro vyhledávání: '"C. Waelbroeck"'
Autor:
C. Waelbroeck, J. Tjiputra, C. Guo, K. H. Nisancioglu, E. Jansen, N. Vázquez Riveiros, S. Toucanne, F. Eynaud, L. Rossignol, F. Dewilde, E. Marchès, S. Lebreiro, S. Nave
Publikováno v:
Climate of the Past, Vol 19, Pp 901-913 (2023)
We combine consistently dated benthic carbon isotopic records distributed over the entire Atlantic Ocean with numerical simulations performed by a glacial configuration of the Norwegian Earth System Model with active ocean biogeochemistry in order to
Externí odkaz:
https://doaj.org/article/5b09dac2df624ffb9c8df61f238822bb
Autor:
G. Reverdin, C. Waelbroeck, C. Pierre, C. Akhoudas, G. Aloisi, M. Benetti, B. Bourlès, M. Danielsen, J. Demange, D. Diverrès, J.-C. Gascard, M.-N. Houssais, H. Le Goff, P. Lherminier, C. Lo Monaco, H. Mercier, N. Metzl, S. Morisset, A. Naamar, T. Reynaud, J.-B. Sallée, V. Thierry, S. E. Hartman, E. W. Mawji, S. Olafsdottir, T. Kanzow, A. Velo, A. Voelker, I. Yashayaev, F. A. Haumann, M. J. Leng, C. Arrowsmith, M. Meredith
Publikováno v:
Earth System Science Data, Vol 14, Pp 2721-2735 (2022)
The characteristics of the CISE-LOCEAN seawater isotope dataset (δ18O, δ2H, referred to as δD) are presented (https://doi.org/10.17882/71186; Waterisotopes-CISE-LOCEAN, 2021). This dataset covers the time period from 1998 to 2021 and currently inc
Externí odkaz:
https://doaj.org/article/5147ec4836a741c8b620e86841cdf3b6
Publikováno v:
Climate of the Past, Vol 17, Pp 1139-1159 (2021)
Changes in water mass distribution are considered to be a significant contributor to the atmospheric CO2 concentration drop to around 186 ppm recorded during the Last Glacial Maximum (LGM). Yet simulating a glacial Atlantic Meridional Overturning Cir
Externí odkaz:
https://doaj.org/article/5479f14d06974092a798cd473ae94ed6
Autor:
L. Missiaen, N. Bouttes, D. M. Roche, J.-C. Dutay, A. Quiquet, C. Waelbroeck, S. Pichat, J.-Y. Peterschmitt
Publikováno v:
Climate of the Past, Vol 16, Pp 867-883 (2020)
Understanding the ocean circulation changes associated with abrupt climate events is key to better assessing climate variability and understanding its different natural modes. Sedimentary Pa∕Th, benthic δ13C and Δ14C are common proxies used to re
Externí odkaz:
https://doaj.org/article/1e9da8bf6acd49608d4a23608bcba868
Publikováno v:
Climate of the Past, Vol 16, Pp 885-910 (2020)
A complete understanding of past El Niño–Southern Oscillation (ENSO) fluctuations is important for the future predictions of regional climate using climate models. One approach to reconstructing past ENSO dynamics uses planktonic foraminifera as r
Externí odkaz:
https://doaj.org/article/0abcf429c0ff409a8a5f444a5567cc3c
Publikováno v:
Geoscientific Model Development, Vol 11, Pp 3587-3603 (2018)
The oxygen-18 to oxygen-16 ratio recorded in fossil planktonic foraminifer shells has been used for over 50 years in many geoscience applications. However, different planktonic foraminifer species generally yield distinct signals, as a consequence
Externí odkaz:
https://doaj.org/article/5d2fec205a5f421e9476e0ade777b67d
Autor:
C. Waelbroeck, S. Pichat, E. Böhm, B. C. Lougheed, D. Faranda, M. Vrac, L. Missiaen, N. Vazquez Riveiros, P. Burckel, J. Lippold, H. W. Arz, T. Dokken, F. Thil, A. Dapoigny
Publikováno v:
Climate of the Past, Vol 14, Pp 1315-1330 (2018)
Thanks to its optimal location on the northern Brazilian margin, core MD09-3257 records both ocean circulation and atmospheric changes. The latter occur locally in the form of increased rainfall on the adjacent continent during the cold intervals
Externí odkaz:
https://doaj.org/article/7d2d6c1e29f947a88115c7e4cc5450bb
Autor:
L. Missiaen, S. Pichat, C. Waelbroeck, E. Douville, L. Bordier, A. Dapoigny, F. Thil, L. Foliot, L. Wacker
Publikováno v:
Geochemistry, Geophysics, Geosystems, Vol 19, Iss 8, Pp 2560-2573 (2018)
Abstract Excess 231Pa and 230Th (231Paxs and 230Thxs) can be used to reconstruct past oceanic sedimentation (230Th‐normalized flux) and circulation changes ((231Pa/230Th)xs,0, hereafter Pa/Th). These quantities are determined by computing the detri
Externí odkaz:
https://doaj.org/article/354dbdf65b7b485a839eb35a0bd20c06
Autor:
T. Bolliet, P. Brockmann, V. Masson-Delmotte, F. Bassinot, V. Daux, D. Genty, A. Landais, M. Lavrieux, E. Michel, P. Ortega, C. Risi, D. M. Roche, F. Vimeux, C. Waelbroeck
Publikováno v:
Climate of the Past, Vol 12, Iss 8, Pp 1693-1719 (2016)
Past climate is an important benchmark to assess the ability of climate models to simulate key processes and feedbacks. Numerous proxy records exist for stable isotopes of water and/or carbon, which are also implemented inside the components of a gro
Externí odkaz:
https://doaj.org/article/af3cbba1772d4b14a9e6953e9f5289ad
Publikováno v:
Nature Communications, Vol 7, Iss 1, Pp 1-8 (2016)
The Atlantic Ocean overturning circulation and its impact on respired carbon storage during glacial periods remains a mystery. Here, the authors combine radiocarbon and stable carbon isotope data from the Brazil and Iberian Margins to investigate oce
Externí odkaz:
https://doaj.org/article/26c8eaa0ab4f42cfb44dbdd3c4581590