Auflistung nach Mitwirkenden "Martínez‐García, Alfredo"
Anzeige der Dokumente 1-2 von 2
-
Ice Age‐Holocene Similarity of Foraminifera‐Bound Nitrogen Isotope Ratios in the Eastern Equatorial Pacific
Studer, Anja S.; Mekik, Figen
; Ren, Haojia; Hain, Mathis P.
; Oleynik, Sergey
; Martínez‐García, Alfredo
; Haug, Gerald H.; Sigman, Daniel M.
(Paleoceanography and Paleoclimatology, 2021-05-19)
Bulk sediment δ15N records from the eastern tropical Pacific (ETP) extending back to the last ice age most often show low glacial δ15N, then a deglacial δ15N maximum, followed by a gradual decline to a late Holocene δ15N ... -
Laboratory Assessment of the Impact of Chemical Oxidation, Mineral Dissolution, and Heating on the Nitrogen Isotopic Composition of Fossil‐Bound Organic Matter
Martínez‐García, Alfredo; Jung, Jonathan
; Ai, Xuyuan E.
; Sigman, Daniel M.
; Auderset, Alexandra
; Duprey, Nicolas N.
; Foreman, Alan
; Fripiat, François
; Leichliter, Jennifer
; Lüdecke, Tina
; Moretti, Simone
; Wald, Tanja
(Geochemistry, Geophysics, Geosystems, 2022-08-19)
Fossil‐bound organic material holds great potential for the reconstruction of past changes in nitrogen (N) cycling. Here, with a series of laboratory experiments, we assess the potential effect of oxidative degradation, ...