the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
25 Nov 2021
25 Nov 2021
World Atlas of late Quaternary Foraminiferal Oxygen and Carbon Isotope Ratios
- 1MARUM – Center for Marine Environmental Sciences, University of Bremen, Bremen, Germany
- 2School of Earth and Environmental Science, University of Queensland, Brisbane, Queensland, Australia
- 3School of Arts, Sciences and Humanities, University of São Paulo, São Paulo, Brazil
- 4LSCE-IPSL (CEA-CNRS-UVSQ), Paris-Saclay University, 91190, Gif-sur Yvette, France
- 5Japan Agency for Marine-Earth Science and Technology, 2‑15, Natsushima, Yokosuka, Kanagawa, 237‑0061, Japan
- 6State Key Laboratory of Marine Geology, Tongji University, Shanghai 200092, China
- 7Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research, Bremerhaven, Germany
- 8Department of Earth Science, University of California, Santa Barbara, CA 93106, USA
- 9School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA, USA
- 10Centro para el Estudio de los Sistemas Marinos, CONICET, 2915 Boulevard Brown, U9120ACD, Puerto Madryn, Argentina
- 11GEOMAR Helmholtz Centre for Ocean Research, Wischhofstr. 1-3, Geb. 4, 24148, Kiel, Germany
- 12Bundesanstalt für Geowissenschaften und Rohstoffe, Stilleweg 2, 30655 Hannover, Germany
- 13Department of Climate Geochemistry, Max Planck Institute for Chemistry, Hahn Meitner Weg 1, 55128 Mainz, Germany
- 14Micropaleontology Laboratory, Geological Oceanography Division, National Institute of Oceanography, Goa, India
- 15College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, Corvallis, OR, USA
- 16Department of Marine and Coastal Sciences, Rutgers University, New Brunswick, NJ, USA
- 1MARUM – Center for Marine Environmental Sciences, University of Bremen, Bremen, Germany
- 2School of Earth and Environmental Science, University of Queensland, Brisbane, Queensland, Australia
- 3School of Arts, Sciences and Humanities, University of São Paulo, São Paulo, Brazil
- 4LSCE-IPSL (CEA-CNRS-UVSQ), Paris-Saclay University, 91190, Gif-sur Yvette, France
- 5Japan Agency for Marine-Earth Science and Technology, 2‑15, Natsushima, Yokosuka, Kanagawa, 237‑0061, Japan
- 6State Key Laboratory of Marine Geology, Tongji University, Shanghai 200092, China
- 7Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research, Bremerhaven, Germany
- 8Department of Earth Science, University of California, Santa Barbara, CA 93106, USA
- 9School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA, USA
- 10Centro para el Estudio de los Sistemas Marinos, CONICET, 2915 Boulevard Brown, U9120ACD, Puerto Madryn, Argentina
- 11GEOMAR Helmholtz Centre for Ocean Research, Wischhofstr. 1-3, Geb. 4, 24148, Kiel, Germany
- 12Bundesanstalt für Geowissenschaften und Rohstoffe, Stilleweg 2, 30655 Hannover, Germany
- 13Department of Climate Geochemistry, Max Planck Institute for Chemistry, Hahn Meitner Weg 1, 55128 Mainz, Germany
- 14Micropaleontology Laboratory, Geological Oceanography Division, National Institute of Oceanography, Goa, India
- 15College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, Corvallis, OR, USA
- 16Department of Marine and Coastal Sciences, Rutgers University, New Brunswick, NJ, USA
Abstract. We present a global atlas of downcore foraminiferal oxygen and carbon isotope ratios available at https://doi.pangaea.de/10.1594/PANGAEA.936747 (Mulitza et al., 2021). The database contains 2,108 published and previously unpublished stable isotope downcore records with 362,067 stable isotope values of various planktonic and benthic species of foraminifera from 1,265 sediment cores. Age constraints are provided by 6,153 uncalibrated radiocarbon ages from 598 (47 %) of the cores. Each stable isotope and radiocarbon series is provided in a separate netCDF file containing fundamental meta data as attributes. The data set can be managed and explored with the free software tool PaleoDataView. The atlas will provide important data for paleoceanographic analyses and compilations, site surveys, or for teaching marine stratigraphy. The database can be updated with new records as they are generated, providing a live ongoing resource into the future.
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Stefan Mulitza et al.
Status: open (until 20 Jan 2022)
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RC1: 'Comment on essd-2021-337', Ralf Schiebel, 03 Dec 2021
reply
The foraminifer isotope atlas of Stefan Mulitza and coauthors is much appreciated as a contribution to paleoceanography and paleoclimate, and should be published as soon as possible. In general, the manuscript is well written, and I would suggest only minor changes. I provide an annotated pdf file, which may allow for quick finding of some typos, and explains some suggestions.
To account for the ecology of planktic and benthic foraminifers, I would suggest to define the depths habitats in a bit more explicit way. The terms "shallow" and "deep" dwelling may be misleading. I would suggest to use the term "surface mixed layer" and "sub-thermocline" dwelling. For example, Neogloboquadrina pachyderma may live as deep as 200 m water depth, but which is still in the surface mixed layer of the deep mixed polar ocean. In contrast, Globorotalia truncatulinoides may usually dwell at 200 m water depth in the tropical to temperate ocean, but which is well below the thermocline, at sub-surface water depth. When specifying the habitats more clearly, the isotope ranges of the different taxa may be better explained. This would still not account for the largely latitudinal and seasonal distribution of many taxa.
The benthic foraminifer genera Cibicides and Cibicidoides are not generally epi-faunal. Only two species, Cibicidiodes wuellerstorfi and C. lobatulus are epifaunal, and most of the many species of the genus are shallow infaunal. Some are even deep infaunal. Please refer to the books of Murray (e.g., 2008) and Schiebel and Hemleben (2017), in which the ecology of benthic and planktic foraminifers are explained, respectively.
The term Foraminifera is a systematic term (not foraminifers, foraminiferal), which starts in upper case. By convention, only genus and species names are given in italic style; any addition to the name, such as spp. and sinistral, is not given in italic style, but in normal style.
The genus name of the species sacculifer has changed from Globigerinoides to Trilobatus some time ago, and which may be mentioned at some place in the text, where T. sacculifer is discussed (e.g., on page 5, line 10).
Creseis (spp. and acicula) is a pteropod, i.e., a pelagic snail, and not a foraminifer. This may be discussed in the text. However, given the very different nature (aragonite, not calcite) and ecology (fast swimmer over great water depths, not passive plankton), it may be easier not to present the pteropod in the atlas on Foraminifera.
Stefan Mulitza et al.
Data sets
World Atlas of late Quaternary Foraminiferal Oxygen and Carbon Isotope Ratios 2021 (WA_Foraminiferal_Isotopes_2021) Mulitza, Stefan; Bickert, Torsten; Bostock, Helen C.; Chiessi, Cristiano Mazur; Donner, Barbara; Govin, Aline; Harada, Naomi; Huang, Enqing; Johnstone, Heather J. H.; Kuhnert, Henning; Langner, Michael; Lamy, Frank; Lembke-Jene, Lester; Lisiecki, Lorraine E.; Lynch-Stieglitz, Jean; Max, Lars; Mohtadi, Mahyar; Mollenhauer, Gesine; Muglia, Juan; Nürnberg, Dirk; Paul, André; Rühlemann, Carsten; Repschläger, Janne; Saraswat, Rajeev; Schmittner, Andreas; Sikes, Elisabeth L.; Spielhagen, Robert F.; Tiedemann, Ralf https://www.pangaea.de/tok/ed63402a0e303f0dad48c5c146a81c97a5b92141
Data Sources for the World Atlas of late Quaternary Foraminiferal Oxygen and Carbon Isotope Ratios 2021 Mulitza et al. https://doi.org/10.5281/zenodo.5552329
Stefan Mulitza et al.
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