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Earth Science

D-Index
34
Citations
3308
World Ranking
8135
National Ranking
417

Overview

Jochen Halfar is affiliated with the University of Toronto in Canada and has contributed extensively to research in Earth and Planetary Sciences as well as Environmental Science. Their work spans several subfields including Atmospheric Science, Oceanography, Ecology, Global and Planetary Change, and Environmental Chemistry.

Their research topics cover a wide range, including Marine and Coastal Plant Biology, Arctic and Antarctic Ice Dynamics, Geology and Paleoclimatology Research, Coral and Marine Ecosystems Studies, Climate Change and Permafrost, Methane Hydrates and Related Phenomena, and Ocean Acidification Effects and Responses.

Frequent coauthors in Jochen Halfar's research include Steffen Hetzinger, Walter H. Adey, Natasha Leclerc, P. Chan, and Alexandra Tsay.

Their published work appears prominently in several scientific venues, particularly Frontiers in Marine Science and Paleoceanography and Paleoclimatology, along with publications in Science, Climate Dynamics, and Arctic Antarctic and Alpine Research. Notably, the following papers demonstrate aspects of their recent research:

  • Keystone predators govern the pathway and pace of climate impacts in a subarctic marine ecosystem, 2020, Science
  • Growth as a function of sea ice cover, light and temperature in the arctic/subarctic coralline C. compactum: A year-long in situ experiment in the high arctic, 2022, Frontiers in Marine Science
  • Late twentieth century increase in northern Spitsbergen (Svalbard) glacier-derived runoff tracked by coralline algal Ba/Ca ratios, 2021, Climate Dynamics
  • Canadian Arctic Neogene Temperatures Reconstructed From Hydrogen Isotopes of Lignin-Methoxy Groups From Sub-Fossil Wood, 2022, Paleoceanography and Paleoclimatology
  • Suitability of the Coralline Alga Clathromorphum compactum as an Arctic Archive for Past Sea Ice Cover, 2021, Paleoceanography and Paleoclimatology

Best Publications

  • Global dominance of coralline red-algal facies: A response to Miocene oceanographic events

    Jochen Halfar;Maria Mutti

  • Nutrient and temperature controls on modern carbonate production: An example from the Gulf of California, Mexico

    Jochen Halfar;Lucio Godinez-Orta;Maria Mutti;José E. Valdez-Holguín

  • Growth and high‐resolution paleoenvironmental signals of rhodoliths (coralline red algae): A new biogenic archive

    Jochen Halfar;Thomas Zack;Andreas Kronz;James C. Zachos

  • Coralline red algae as high-resolution climate recorders

    J. Halfar;R. S. Steneck;M. Joachimski;A. Kronz

  • Danger of Deep-Sea Mining

    Jochen Halfar;Rodney M. Fujita

  • Variability in the Northern North Atlantic and Arctic Oceans Across the Last Two Millennia: A Review

    Paola Moffa-Sánchez;Paola Moffa-Sánchez;E. Moreno-Chamarro;D. J. Reynolds;D. J. Reynolds;P. Ortega

  • Arctic sea-ice decline archived by multicentury annual-resolution record from crustose coralline algal proxy

    Jochen Halfar;Walter H. Adey;Andreas Kronz;Steffen Hetzinger

  • Coralline algal growth-increment widths archive North Atlantic climate variability

    J. Halfar;Steffen Hetzinger;W. Adey;T. Zack

  • Heterozoan carbonates in subtropical to tropical settings in the present and past

    Hildegard Westphal;Jochen Halfar;André Freiwald

  • Living on the edge: high-latitude Porites carbonate production under temperate eutrophic conditions

    J. Halfar;L. Godinez-Orta;Bernhard Riegl;J. E. Valdez-Holguin

  • Precautionary management of deep-sea mining

    Jochen Halfar;Rodney M Fujita

  • Carbonates calibrated against oceanographic parameters along a latitudinal transect in the Gulf of California, Mexico

    J. Halfar;L. GODINEZ-Orta;M. Mutti;J. E. Valdez-Holguin

  • High-resolution Mg/Ca ratios in a coralline red alga as a proxy for Bering Sea temperature variations from 1902 to 1967

    Steffen Hetzinger;Jochen Halfar;Andreas Kronz;Robert S. Steneck

  • The Coralline Genus Clathromorphum Foslie emend. Adey: Biological, Physiological, and Ecological Factors Controlling Carbonate Production in an Arctic-Subarctic Climate Archive

    Walter H. Adey;Jochen Halfar;Branwen Williams

  • Reconstructing mid- to high-latitude marine climate and ocean variability using bivalves, coralline algae, and marine sediment cores from the Northern Hemisphere

    Alan D. Wanamaker;Steffen Hetzinger;Jochen Halfar

  • Coralline alga reveals first marine record of subarctic North Pacific climate change

    Jochen Halfar;Robert Steneck;Bernd Schöne;G. W. K. Moore

  • Modern non-tropical mixed carbonate-siliciclastic sediments and environments of the southwestern Gulf of California, Mexico

    Jochen Halfar;James C Ingle;Lucio Godinez-Orta

  • Microfacies Analysis of Recent Carbonate Environments in the Southern Gulf of California, Mexico — A Model for Warm-Temperate to Subtropical Carbonate Formation

    Jochen Halfar;Lucio Godinez-Orta;James C. Ingle

  • Century-scale trends and seasonality in pH and temperature for shallow zones of the Bering Sea

    Jan Fietzke;Federica Ragazzola;Federica Ragazzola;Federica Ragazzola;Jochen Halfar;Heiner Dietze

  • Amplification of the Atlantic Multidecadal Oscillation associated with the onset of the industrial-era warming.

    G. W. K. Moore;J. Halfar;H. Majeed;W. Adey

  • Freshening of the Alaska Coastal Current recorded by coralline algal Ba/Ca ratios

    Phoebe Chan;Jochen Halfar;Branwen Williams;Steffen Hetzinger;Steffen Hetzinger

  • Rapid 20th century warming in the Caribbean and impact of remote forcing on climate in the northern tropical Atlantic as recorded in a Guadeloupe coral.

    Steffen Hetzinger;Miriam Pfeiffer;Wolf-Christian Dullo;Dieter Garbe-Schönberg

Frequent Co-Authors

Walter H. Adey
Walter H. Adey National Museum of Natural History
Robert S. Steneck
Robert S. Steneck University of Maine
Andreas Kronz
Andreas Kronz University of Göttingen
Thomas Zack
Thomas Zack University of Gothenburg
Dorrit E. Jacob
Dorrit E. Jacob Macquarie University
Bernhard Riegl
Bernhard Riegl Nova Southeastern University
Zoltán Zajacz
Zoltán Zajacz University of Geneva
Hildegard Westphal
Hildegard Westphal Leibniz Center for Tropical Marine Ecology
Jan Fietzke
Jan Fietzke GEOMAR Helmholtz Centre for Ocean Research Kiel
G. W. K. Moore
G. W. K. Moore University of Toronto

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Related Online Degrees & Career Pathways

For those interested in broader educational opportunities connected to Earth Science, exploring related online degrees can open diverse career paths. For example, earning an online mlis programs accredited ala can lead to careers in library and information science, where managing scientific data and research materials is vital.

A degree in library science also offers pathways into educational and archival roles that complement environmental and geological research. These roles often support Earth Science professionals by organizing and preserving crucial scientific records.

Additionally, skills in visual documentation are increasingly important. Many students pursue degrees at photography colleges online to develop expertise in capturing and analyzing environmental phenomena through images. This is a growing field that bridges science and art.

Veterans looking for flexible options can find supportive programs such as online photography degrees for veterans. These degrees provide targeted resources and accommodations to help veterans transition to civilian careers connected to Earth Science and visual documentation.

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