Hydrogen isotopic fractionations during syntheses of lipid biomarkers in the seeds of broomcorn millet (Panicum miliaceum L.) under controlled environmental conditions

Autor: Patricia Richard, Nicolas Bossard, Valery J. Terwilliger, Claude Le Milbeau, Elisabeth Vergès, Philippe Biron, Jérémy Jacob, Thierry Bariac

Publikováno v: Organic Geochemistry
Organic Geochemistry, Elsevier, 2021, 154, pp.104221. ⟨10.1016/j.orggeochem.2021.104221⟩
Organic Geochemistry, 2021, 154, pp.104221. ⟨10.1016/j.orggeochem.2021.104221⟩

International audience; Compound specific hydrogen isotopic analyses have the potential to reveal the biosynthetic pathways of biomarkers and to reconstruct the effects of water stress in a plant, or in an ecosystem. Although C4 graminoids are of gre

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6255f4a5998e8db7c87a3f01581b23a7
https://hal-insu.archives-ouvertes.fr/insu-03175971/file/1-s2.0-S0146638021000425-main.pdf

Multiple Early Eocene carbon isotope excursions associated with environmental changes in the Dieppe-Hampshire Basin (NW Europe)

Autor: Garel, Sylvain, Dupuis, Christian, Quesnel, Florence, jacob, j, Yans, Johan, Magioncalda, Roberto, Fléhoc, Christine, Schnyder, Johann

Publikováno v: Bulletin de la Société Géologique de France
Bulletin de la Société Géologique de France, 2020, 191 (33), pp.15. ⟨10.1051/bsgf/2020030⟩
BSGF earth sciences bulletin
BSGF earth sciences bulletin, Société géologique de France, 2020, ⟨10.1051/bsgf/2020030⟩
Garel, S, Dupuis, C, Quesnel, F, Jacob, J, Yans, J, Magioncalda, R, Fléhoc, C & Schnyder, J 2020, ' Multiple early Eocene carbon isotope excursions associated with environmental changes in the Dieppe-Hampshire Basin (NW Europe) ', BSGF-Earth Sciences Bulletin, vol. 191, 2020030 . https://doi.org/10.1051/bsgf/2020030
Bulletin de la Société Géologique de France, Société géologique de France, 2020, 191 (33), pp.15. ⟨10.1051/bsgf/2020030⟩
BSGF-Earth Sciences Bulletin, Vol 191, p 33 (2020)

International audience; The early Eocene experienced a series of short-lived global warming events, known as hyperthermals, associated with negative carbon isotope excursions (CIE). The Paleocene-Eocene Thermal Maximum (PETM or ETM-1) and Eocene Ther

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::4a3d6c60461e84464104058bd3028a45
https://hal.science/hal-02950486v2/document

Diffusion of human practices in Europe: timing and impacts Highlights and perspectives from organics in soils and sediments

Autor: Jacob, Jérémy, Simonneau, Anaëlle

Publikováno v: Dynamics of socio-ecosystems on a changing Earth: sustainability or collapse?
Dynamics of socio-ecosystems on a changing Earth: sustainability or collapse?, Fabien Arnaud, EDYTEM, May 2016, Chambéry, France

International audience; The debate on the beginning of the Anthropocene renews questions on both the calendar of human practices, their emergences and spreads, and their impacts on continental ecosystems (soil erosion, lake waters eutrophication, bio

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::b862101e7c413f94feb9960bf4c88acc
https://hal.archives-ouvertes.fr/hal-01401281

La représentativité spatio-temporelle des biomarqueurs moléculaires dans les archives sédimentaires

Autor: Jacob, Jérémy

Publikováno v: Séminaire du Réseau Thématique MIDI
Séminaire du Réseau Thématique MIDI, Mar 2016, Tours, France

National audience; L'histoire de la Terre peut être reconstituée au moyen d'archives naturelles telles que les sédiments accumulés dans les systèmes lacustres et issus de l'érosion des sols de leurs bassins versants. Le challenge pour les palé

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::5fac9d4c538b7c5976b11f80eedba2cc
https://hal.archives-ouvertes.fr/hal-01401861

The Pliensbachian-Toarcian paleoclimate transition: New insights from organic geochemistry and C, H, N isotopes in a continental section from Central Asia

Autor: François Baudin, Denise Pons, Arnaud Huguet, Marc Philippe, Sylvie Derenne, Romain Tramoy, Mathieu Sebilo, Johan Yans, Jérémy Jacob, Johann Schnyder, T. T. Nguyen Tu

Publikováno v: Palaeogeography, Palaeoclimatology, Palaeoecology
Palaeogeography, Palaeoclimatology, Palaeoecology, Elsevier, 2016, 461, pp.310-327. ⟨10.1016/j.palaeo.2016.08.020⟩
Palaeogeography, Palaeoclimatology, Palaeoecology, 2016, 461, pp.310-327. ⟨10.1016/j.palaeo.2016.08.020⟩

The Taskomirsay section (South Kazakhstan) is a unique Pliensbachian-Toarcian sequence of lignites, clayey layers and silty-sandstones deposited in a fluvial/lacustrine environment with nearby swampy areas. This period, characterized by a drastic cli

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::88cabf47fcb0bff5fade1d3895a2a7e6
https://hal-sde.archives-ouvertes.fr/hal-01382763/document