Pelaeoclimate and Geobiology Research Group

Lab Members

Jochen Halfar

Dr. Jochen Halfar

Professor of Geology
jochen.halfar (@) utoronto.ca

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Natasha Leclerc

Natasha Leclerc

Doctoral Student
natasha.leclerc (@) mail.utoronto.ca

Projects:
Reconstructing Past Sea Ice Cover in the Canadian Arctic Coralline Red Algae

Phoebe Chan

Phoebe Chan

Visiting Researcher/NSERC & VISTA Postdoctoral Fellow
phoebe.chan (@) uib.no

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Projects:
- Establishing high-resolution natural baseline records of productivity in the Norwegian Arctic marine ecosystem using nitrogen isotope records from crustose coralline algae
- Global change induced skeletal density variability in coralline algae

Alexander Humphreys

Emerald Stratigopoulos

Master's student (doctoral stream)
emerald.stratigopoulos @ mail.utoronto.ca

Projects:
Sea ice history of Arctic Bay, Nunavut, Canada

Alexander Humphreys

Sukhmani Singh

Master's student (doctoral stream)
sukhmani.singh (@) mail.utoronto.ca

Projects:
Factors that Influence the Distribution and Thickness of Clathromorphum compactum in Arctic/Subarctic Regions

Alexander Humphreys

Alessio Scurci

Bachelor's student
alessio.scurci(@) mail.utoronto.ca

Projects:
Calibrating Arctic Bay coralline algae with satellite observations

Alexander Humphreys

Charlotte Westcott

Bachelor's student
Charlotte.Westcott(@) mail.utoronto.ca

Projects:
Benthic foraminiferal biofacies from Isla San Jose , Gulf of California, Mexico

Alexander Humphreys

Brian Boyd

Bachelor's student
brian.boyd(@) mail.utoronto.ca

Projects:
Benthic foraminiferal biofacies from Cabo Pulmo, Gulf of California, Mexico

Former Lab Members

Alexander Humphreys

Meghan Zulian

Master's student (doctoral stream)
meghan.zulian (@) mail.utoronto.ca

Projects:
Arctic ocean pH reconstruction

Siobhan Williams

Siobhan Williams

Doctoral student
siobhan.williams (@) mail.utoronto.ca

Projects:
Greenland Coralline Algal Carbonates as Indicators of Paleoenvironmental Conditions

Alexander Humphreys

Mahbuba Choudhury

Undergraduate Student
mahbuba.choudhury (@) mail.utoronto.ca

Projects:
Benthic Foraminifera of the Gulf of California, Mexico

Alexander Humphreys

Alexander Humphreys

Doctoral student
alex.f.humphreys (@) gmail.com

Projects:
Galapagos Shallow Water Carbonate Systems

Alicia Hou

Alicia Hou

Master's student


Project:
Delta13C variability in surface water dissolved inorganic carbon recorded by coralline algae from the subarctic North Atlantic

Cedelle

Cedelle Pereira

Undergraduate student


Project:
Sea ice signals preserved in Arctic coralline algae

Alicia Hou

Melanie Delgado-Brandt

Undergraduate student


Project:
Ecology of benthic foraminifera from Punta Chivato, Gulf of California, Mexico

Alicia Hou

Sarah Shana

Undergraduate student


Project:
Sea-ice signals preserved in coralline algae from Lancaster Sound, Nunavut, Canada

Alizay Qureshi

Alizay Qureshi

Undergraduate student


Project:
Benthic foraminifera from the northernmost Gulf of California, Mexico

Hunter Bell

Hunter Bell

Undergraduate student


Project:
Testing of cross-dating techniques on multiple specimens of Bering Sea coralline algae

Phoebe Chan

Tara Ingalsbe

Doctoral student
tara.ingalsbe (@) mail.utoronto.ca

Projects:
Coralline Algae as Proxies for Past Sea Ice Coverage

Benjamin Hook

Benjamin Hook

Postdoctoral Fellow
benjamin.hook (@) utoronto.ca

Projects:
Dendroclimatology of Paleocene-Eocene kimberlite-hosted fossil wood

Phoebe Chan

Phoebe Chan

Doctoral student
phoebetw.chan (@) utoronto.ca

Projects:
North Atlantic climate reconstructions using coralline algae
History of the Alaska Coastal Current revealed by coralline algae - a measure for Arctic ocean freshwater input

Dr. Branwen Williams

Dr. Branwen Williams

Postdoctoral Fellow
Now Assistant Professor at Claremont College California
BWilliams (@) kecksci.claremont.edu

Projects:
North Atlantic and Pacific climate reconstructions using coralline algal isotope and trace element geochemistry
Homepage

Jochen Halfar

Steffen Hetzinger

Postdoctoral Fellow
Now Research Scientist at Geomar, Kiel, Germany
shetzinger (@) ifm-geomar.de



Projects:
Paleoclimate reconstructions using coralline red algae
Reconstruction of Orinoco river sediment discharge from corals
Homepage

Gimy Gamboa

Gimy Gamboa

Master's student
gimygamboa (@) yahoo.com

Project:
Reconstructing Labrador Current variability from coralline red algae

James Walker

James Joseph Walker

Doctoral Student
jamesjoseph.walker (@) utoronto.ca

Project:
Reconstructing Paleogene climate from exceptionally preserved fossil wood

Afshan Omar

Jezrel Torres

Undergraduate student

Project:
Benthic foraminiferal fauna of Isla San Jose, Baja California Sur, MexicoClathromorphum nereostratum

Afshan Omar

Afshan Omar

Research Assistant and Undergraduate Thesis student

Project:
Reconstruction of kelp abundance in the Aleutian Islands using growth rates of the coralline red algae Clathromorphum nereostratum

Ravie Shamaroo

Ravie Shamaroo

Undergraduate Research Project Student



Project:
Can Clathromorphum compactum from the northwest Atlantic reveal sea urchin abundance during the past century?

Quang Ngo

Quang Ngo

Undergraduate student
v.ngo (@) utoronto.ca

Projects:
Benthic foraminiferal fauna of Cabo Pulmo, Baja California Sur, Mexico

Carolyn Winsborough

Carolyn Winsborough

Former Research Assistant and Undergraduate Thesis student



Emily Boucher

Emily Boucher

Master's student
emi.boucher (@) gmail.com

Projects:
Density changes in coralline algae as a possible indicator of ocean acidification

Laurie Bougeois

Laurie Bougeois

Master's student
laurie.bougeois (@) ens-lyon.fr

Projects:
Carbon isotopic composition of Beaufort Sea coralline algae

Milian Yau

Milian Yau

Undergraduate student
milian.yau (@) utoronto.ca

Projects:
Benthic foraminiferal fauna of Bahia de Los Angeles, Baja California, Mexico

Prospective Graduate Students

If you are interested in graduate work in my lab, please contact me at jochen.halfar (@) utoronto.ca.

Design © Anshu