Lead (Pb) Isotope Baselines for Studies of Ancient Human Migration and Trade in the Maya Region.

Autor: Ashley E Sharpe, George D Kamenov, Adrian Gilli, David A Hodell, Kitty F Emery, Mark Brenner, John Krigbaum

Publikováno v: PLoS ONE, Vol 11, Iss 11, p e0164871 (2016)

We examined the potential use of lead (Pb) isotopes to source archaeological materials from the Maya region of Mesoamerica. The main objectives were to determine if: 1) geologic terrains throughout the Maya area exhibit distinct lead isotope ratios (

Externí odkaz: https://doaj.org/article/9bf8a34575924f7eafb53c110f2a48f6

Recurring summer and winter droughts from 4.2-3.97 thousand years ago in north India

Autor: Alena Giesche, David A. Hodell, Cameron A. Petrie, Gerald H. Haug, Jess F. Adkins, Birgit Plessen, Norbert Marwan, Harold J. Bradbury, Adam Hartland, Amanda D. French, Sebastian F. M. Breitenbach

Publikováno v: Communications Earth & Environment, Vol 4, Iss 1, Pp 1-10 (2023)

Seasonally resolved speleothem isotope and trace element records from Dharamjali Cave in the central Lower Himalaya show an increased frequency of summer and winter droughts during the period between 4.2 to 3.97 thousand years ago.

Externí odkaz: https://doaj.org/article/9d59f5ff331d4e8bad1daa11de124779

Drought-Induced Civil Conflict Among the Ancient Maya

Autor: Douglas J. Kennett, Marilyn Masson, Carlos Peraza Lope, Stanley Serafin, Richard J. George, Tom C. Spencer, Julie A. Hoggarth, Brendan J. Culleton, Thomas K. Harper, Keith M. Prufer, Susan Milbrath, Bradley W. Russell, Eunice Uc González, Weston C. McCool, Valorie V. Aquino, Elizabeth H. Paris, Jason H. Curtis, Norbert Marwan, Mingua Zhang, Yemane Asmerom, Victor J. Polyak, Stacy A. Carolin, Daniel H. James, Andrew J. Mason, Gideon M. Henderson, Mark Brenner, James U. L. Baldini, Sebastian F. M. Breitenbach, David A. Hodell

Publikováno v: Nature Communications, Vol 13, Iss 1, Pp 1-10 (2022)

The influence of climate on premodern civil conflict and societal instability is debated. Here, the authors combine archeological, historical, and paleoclimatic datasets to show that drought between 1400-1450 cal. CE escalated civil conflict at Mayap

Externí odkaz: https://doaj.org/article/dc03ada0a9064082a2679613da4a94d6

Preservation and modification of the isotopic composition (18O/16O and 2H/1H) of structurally-bound hydration water of gypsum (CaSO4·2H2O) in aqueous solution

Autor: Fernando Gázquez, David A. Hodell

Publikováno v: Geochimica et Cosmochimica Acta. 337:73-81

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bbd401ae8bba4645c9e6e4abd38e0cf4
https://doi.org/10.1016/j.gca.2022.09.042

Abrupt intrinsic and extrinsic responses of southwestern Iberian vegetation to millennial‐scale variability over the past 28 ka

Autor: David A. Hodell, Mark A. Maslin, Blanca Ausín, Timothy I. Eglinton, Francesco Muschitiello, Negar Haghipour, Laurie Menviel, Polychronis C Tzedakis, Vasiliki Margari, Belen Martrat, Anna Cutmore

Publikováno v: Journal Of Quaternary Science (0267-8179) (Wiley), 2022-04, Vol. 37, N. 3, P. 420-440
Journal of Quaternary Science
Digital.CSIC. Repositorio Institucional del CSIC
instname
Journal of Quaternary Science, 37 (3)

We present new high-resolution pollen records combined with palaeoceanographic proxies from the same samples in deep-sea cores SHAK06-5K and MD01-2444 on the southwestern Iberian Margin, documenting regional vegetation responses to orbital and millen

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8cecb9990d0acdd6479f0b95ee8d4d7e
https://doi.org/10.1002/jqs.3392