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Earth Science

D-Index
62
Citations
17955
World Ranking
1646
National Ranking
724

Research.com Recognitions

  • 2014 - Fellow of American Geophysical Union (AGU)
  • 2012 - Fellow of the American Association for the Advancement of Science (AAAS)
  • Fellow of the Geological Society of America
  • Fellow of the Geological Society of America

Overview

Howard J. Spero is affiliated with the University of California, Davis in the United States. Their research primarily focuses on Earth and Planetary Sciences as well as Environmental Science, supported by a significant number of publications in these fields.

Their work spans several subfields including Atmospheric Science, Ecology, Paleontology, Oceanography, and Anthropology. The main topics of research covered by Spero include Geology and Paleoclimatology Research, Isotope Analysis in Ecology, Marine Biology and Ecology Research, Archaeology and ancient environmental studies, Paleontology and Stratigraphy of Fossils, Pleistocene-Era Hominins and Archaeology, and Geochemistry and Elemental Analysis.

Spero has contributed to a range of peer-reviewed papers. Notable recent publications include:

  • High-precision stable isotope analysis of <5 μg CaCO 3 samples by continuous-flow mass spectrometry (2020) published in Rapid Communications in Mass Spectrometry
  • Constraining multiple controls on planktic foraminifera Mg/Ca (2020) published in Geochimica et Cosmochimica Acta
  • Ammonium is the preferred source of nitrogen for planktonic foraminifer and their dinoflagellate symbionts (2020) published in Proceedings of the Royal Society B Biological Sciences
  • Comparison of Laser Ablation and Solution-Based ICP-MS Results for Individual Foraminifer Mg/Ca and Sr/Ca Analyses (2020) published in Geochemistry Geophysics Geosystems
  • High-Resolution Mg/Ca and δ18O Patterns in Modern Neogloboquadrina pachyderma From the Fram Strait and Irminger Sea (2020) published in Paleoceanography and Paleoclimatology

Their collaborations include frequent co-authorship with Jennifer S. Fehrenbacher, Reinhard Kozdon, Caitlin M. Livsey, Dorothea Bauch, and Geert-Jan A Brummer.

Spero's work is often published in venues such as the Publishing Network for Geoscientific and Environmental Data (PANGAEA) from the Alfred Wegener Institute for Polar and Marine Research, Rapid Communications in Mass Spectrometry, Geochimica et Cosmochimica Acta, California Archaeology, and Zenodo at CERN.

Their professional recognition includes fellowships awarded by prominent scientific organizations, namely the American Geophysical Union (AGU) in 2014, the American Association for the Advancement of Science (AAAS) in 2012, and the Geological Society of America. These fellowships acknowledge their contributions and standing in the scientific community.

Best Publications

  • Climate Impact of Late Quaternary Equatorial Pacific Sea Surface Temperature Variations

    David W. Lea;Dorothy K. Pak;Howard J. Spero

  • Reevaluation of the oxygen isotopic composition of planktonic foraminifera: Experimental results and revised paleotemperature equations

    Bryan E. Bemis;Howard J. Spero;Jelle Bijma;David W. Lea

  • Effect of seawater carbonate concentration on foraminiferal carbon and oxygen isotopes

    Howard J. Spero;Jelle Bijma;David W. Lea;Bryan E. Bemis

  • Controls on magnesium and strontium uptake in planktonic foraminifera determined by live culturing

    David W. Lea;Tracy A. Mashiotta;Howard J. Spero

  • Core top calibration of Mg/Ca in tropical foraminifera: Refining paleotemperature estimation

    Petra S. Dekens;Petra S. Dekens;David W. Lea;Dorothy K. Pak;Howard J. Spero

  • Constraints on the magnitude and patterns of ocean cooling at the Last Glacial Maximum

    C. Waelbroeck;A. Paul;M. Kucera;A. Rosell-Melé

  • Effects of seawater carbonate ion concentration and temperature on shell U, Mg, and Sr in cultured planktonic foraminifera

    Ann D. Russell;Bärbel Hönisch;Howard J. Spero;David W. Lea

  • Glacial–interglacial changes in Subantarctic sea surface temperature and δ18O-water using foraminiferal Mg

    Tracy A. Mashiotta;David W. Lea;Howard J. Spero

  • Reconstructing a 350 ky history of sea level using planktonic Mg/Ca and oxygen isotope records from a Cocos Ridge core

    David W. Lea;Pamela A. Martin;Dorothy K. Pak;Howard J. Spero

  • Reassessing foraminiferal stable isotope geochemistry: Impact of the oceanic carbonate system (experimental results)

    Jelle Bijma;H. J. Spero;D. W. Lea

  • Experimental determination of stable isotope variability in Globigerina bulloides: implications for paleoceanographic reconstructions

    Howard J. Spero;David W. Lea

  • Links between salinity variation in the Caribbean and North Atlantic thermohaline circulation

    Matthew W. Schmidt;Howard J. Spero;David W. Lea

  • Intraspecific stable isotope variability in the planktic foraminiferaGlobigerinoides sacculifer: Results from laboratory experiments

    Howard J. Spero;David W. Lea

  • The Cause of Carbon Isotope Minimum Events on Glacial Terminations

    Howard J. Spero;David W. Lea

  • Multispecies approach to reconstructing eastern equatorial Pacific thermocline hydrography during the past 360 kyr

    Howard J. Spero;Koreen M. Mielke;Erica M. Kalve;David W. Lea

  • Oceanic pH control on the boron isotopic composition of foraminifera: Evidence from culture experiments

    A. Sanyal;N. G. Hemming;W. S. Broecker;David W. Lea

  • Biomineralization in perforate foraminifera

    L. J. De Nooijer;Howard Spero;J. Erez;J. Bijma

  • Model for kinetic effects on calcium isotope fractionation (δ44Ca) in inorganic aragonite and cultured planktonic foraminifera

    Nikolaus Gussone;Anton Eisenhauer;Alexander Heuser;Martin Dietzel

  • Paleoclimate history of Galapagos surface waters over the last 135,000 yr

    David W. Lea;Dorothy K. Pak;Christina L. Belanger;Howard J. Spero

  • Microsensor studies of photosynthesis and respiration in the symbiotic foraminifer Orbulina universa

    S. Rink;Michael Kühl;J. Bijma;H.J. Spero

  • Effect of seawater carbonate concentration on foraminiferal carbon and oxygen isotopes

    H.J. Spero;J. Bijma;D.W. Lea;B.E. Bernis

Frequent Co-Authors

David W. Lea
David W. Lea University of California, Santa Barbara
Jelle Bijma
Jelle Bijma Alfred Wegener Institute for Polar and Marine Research
Bärbel Hönisch
Bärbel Hönisch Lamont-Doherty Earth Observatory
Stephen Eggins
Stephen Eggins Australian National University
Anton Eisenhauer
Anton Eisenhauer GEOMAR Helmholtz Centre for Ocean Research Kiel
Trond Dokken
Trond Dokken NORCE Research
Anders Meibom
Anders Meibom École Polytechnique Fédérale de Lausanne
Stefan Mulitza
Stefan Mulitza University of Bremen
Elsa Cortijo
Elsa Cortijo Versailles Saint-Quentin-en-Yvelines University
Robert C. Thunell
Robert C. Thunell University of South Carolina

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