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How to make a tornado—Ideas emerging from decades of theory, simulation, and field observations

Atmospheric Physics
Paul Markowski Department of Meteorology & Atmospheric Science at Penn State University
Nov 20, 2017 04:00 PM MP 606

New nonperturbative scales and glueballs in confining gauge theories

High Energy Theory Seminar
Mohamed Anber Lewis and Clark College
Nov 21, 2017 03:10 PM 60 St. George Street, MP 1115

Intrinsic ac anomalous Hall effect of non-symmorphic chiral superconductors with an application to UPt3

Condensed Matter Physics Seminar
Zhiqiang Wang McMaster University
Nov 22, 2017 12:10 PM 60 St. George Street, MP 606

Unlocking the Potential of Nature’s Dendrimer: From Serendipitous Discovery to Fundamental Science to Commercialization

Physics Colloquium
John R. Dutcher University of Guelph
Nov 23, 2017 04:10 PM 60 St. George Street, MP 102

High-frequency observations of temperature and dissolved oxygen reveal under-ice convection in a large lake

Brewer-Wilson Seminar
Bernard Yang Department of Physics, University of Toronto
Nov 24, 2017 12:10 PM MP606
Detailed observations of thermal structure over two winters in a large lake reveal the presence of large (10-20 m) overturns under the ice, driven by diurnal solar heating. Convection can occur in the early winter, but the most vigorous convection occurred near the end of winter. Both periods are when our lake ice model suggest thinner ice that would have been transparent. This under-ice convection led to a deepening of the mixed layer over time, consistent with previous short-term studies. During periods of vigorous convection under the ice at the end of winter, the dissolved oxygen had become super-saturated from the surface to 23 m below the surface, suggesting abundant algal growth. Analysis of our high-frequency observations over the entire winter of 2015 using the Thorpe scale method quantified the scale of mixing. Furthermore, it revealed that changes in oxygen concentrations are closely related to the intensity of mixing that could be influenced by climate change or the increased input of salt into the lake. I will briefly present an overview of some of the basics of physical limnology before presenting our results.

Constraining exotic sources of electroweak symmetry breaking

High Energy Experimental
Heather Logan Carleton University
Nov 27, 2017 01:10 PM MP 912


High Energy Theory Seminar
Jesse Cresswell Physics - University of Toronto
Nov 28, 2017 03:10 PM 60 St. George Street, MP 1115

Physics of Protein Function and Evolution: From Sequence-Structure to Sequence-Ensemble Relationships

Physics Colloquium
Hue Sun Chan Departments of Biochemistry and Molecular Genetics, UofT
Nov 30, 2017 04:10 PM 60 St. George Street, MP 102

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CQIQC Quantum Optics Seminar
Daniel Gauthier Ohio State University
Dec 01, 2017 11:00 AM 3rd Floor Stewart Library, Fields Institute, 222 College Street, Toronto


Brewer-Wilson Seminar
Xuesong Zhang Department of Physics, University of Toronto
Dec 01, 2017 12:10 PM MP606
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