GEOS 615, Sea-Ice Geophysics: Schedule of lectures, project work etc.

Sept 3: Overview and introductory lecture
Resources: Overview article "Sea ice in the climate system", class project information and presentation

Sept 7 : no class – we are at a workshop

Sept 9 : no class

Sept 14 : Sea-ice microphysics: Ice crystallography, nucleation, crystal growth
Resources: presentation (presentation updated Sept 29)
Reading: Chapter 2.2 in Thomas & Dieckmann, 2nd ed., pp. 26-35; sea-ice microstructure summary article (not required, only for those with interest in microstructure)
(also Chapter 5 in Weeks (2010))

Sept 16: Introduction to class projects, and Sea-ice microphysics, cont'd
Resources: see above.

Sept 16, 3:00-4:30, 401 Akasofu: Walt Spring (Shell): The international standard on Offshore Arctic Structures ISO 19906 - What is it? When is it to be used? How does it incorporate risk? (Public presentation as part of a seminar series on risk assessment in offshore resource development, relevant for class and student projects)

Sept 17, 9:30-11:00, 319 Akasofu: Discussion with Walt Spring (GEOS615, only)

Sept 21: Sea-ice phase diagram, equations of state and solute segregation; hands-on: texture of lab-grown saltwater ice.
Resources: presentation
Reading: Chapter 2.3 in Thomas & Dieckmann, 2nd ed., pp. 35-47
(also Chapter 6 in Weeks (2010))

Sept 23: Sea-ice phase diagram, cont'd, and Microphysics and microstructural evolution: Sea-ice salinity profiles in relation to macroscopic ice properties
Resources: See above and presentation
(also Chapter 7 in Weeks (2010))

Sept 27: 3:30-5:00, Elvey Auditorium: Sǿren Rysgaard, Sea ice biogeochemistry – an overlooked factor in the air-sea CO2 exchange in Polar Seas?, Chapman Chair Lecture (optional)

Sept 28 : cont'd Microphysics and microstructural evolution: Sea-ice salinity profiles in relation to macroscopic ice properties
Resources: see above
Reading: Chapter 2.3 in Thomas & Dieckmann, 2nd ed., pp. 36-45

Sept 30: Review of processes and Scattering and extinction
Resources: review material, presentation, Bohren (1986)
Reading: Chapter 2.4 in Thomas & Dieckmann, 2nd ed., pp. 52-59

Oct 5: Sea-ice optical and electromagnetic properties
Resources: Presentation; Reading: Chapter 2.4 in Thomas & Dieckmann, 2nd ed., pp. 52-59

Oct 7: Sea-ice thermal properties
Resources: Presentation; Reading: Chapter 2.4 in Thomas & Dieckmann, 2nd ed., pp. 47-52

Oct 7: 6:00-8:00, 5th Floor Akasofu: Ian Eisenman, Changes in the sea ice seasonal cycle in response to climate change, Chapman Chair Lecture (optional)

Oct 11: 3:30-5:00, Elvey Auditorium: Ian Eisenman, Is Arctic sea ice approaching a tipping point?, Chapman Chair Lecture (optional)

Oct 12: The surface energy balance of an ice-covered ocean
Resources: Presentation; Reading: Chapter 2.5 in Thomas & Dieckmann, 2nd ed., pp. 63-69.

Oct 14: The surface energy balance of an ice-covered ocean, cont'd

Oct 19: Mid-term exam

Oct 21: Update on class projects (brief presentation, 5-10 min. incl. discussion each); Sea ice in the climate system

Oct 26: Sea ice strength: Background and engineering information needs
Resources: Presentation; Reading: Chapter 3.5 by Masterson in Field Techniques for Sea Ice Research

Oct 28: Class visit & presentation by Dr. Igor Krupnik (Smithsonian Institution) - Sea Ice Knowledge & Use
Resources: Reading: Chapter in SIKU book on indigenous & geophysical sea-ice knowledge; Book chapters 1, 2, and 3 by Dr. Krupnik

Nov 2: The sea-ice force/momentum balance & ice dynamics (Guest lecture by Dr. Jenny Hutchings)
Resources: Presentation

Nov 4: The sea-ice force/momentum balance & ice dynamics (Guest lecture by Dr. Jenny Hutchings)
Resources: Presentation

Nov 9: Class project presentations by Metzger, Ridgway & Winther and Review of mid-term exam

Nov 11: Thermodynamic sea-ice models
Resources: Presentation; Reading: Chapter 2.5 in Thomas & Dieckmann, 2nd ed.

Nov 11, 3:00-4:30, 401 Akasofu: Andrew Metzger, Engineering aspects of ice-related risks to offshore structures (optional)

Nov 16: Ice dynamics and the ice-thickness distribution function
Resources: Presentation; Reading: Chapter 4 (Haas) in Thomas & Dieckmann, 2nd ed.

Nov 18: Class visit by Prof. Lawson Brigham (AMSA Co-Chair) to discuss AMSA and related topics
Resources: Presentation; AMSA report; AMSA executive summary

Nov 18, 3:00-4:30, 401 Akasofu: Lawson Brigham, Risk assessment in the context of the Arctic Marine Shipping Assessment and evolving International Maritime Organization Standards

Nov 23: class canceled due to weather as per UAF policy

Nov 25: Thanksgiving Holidays

Nov 30: Sea-ice thickness distribution
Resources: Presentation; Reading: Chapter 4 (Haas) in Thomas & Dieckmann, 2nd ed.

Dec 2: Sea-ice remote sensing: Methods & techniques
Resources: Presentation; Chapter 6 (Comiso) in Thomas & Dieckmann, 2nd ed.

Dec 7: Review of: project presentations, requirements for project report review, past lectures. Teaching assessment.
(project reports due) (email report to: Hajo)

Dec 9, 8:30-11:00: Class project workshop and presentations

Mon, Dec 13, 10:00 am: project reviews due (email review to: Chris)

Fri, Dec 17, 9:00-11:00, 417 Akasofu: final exam

 * Lecture notes are saved as Adobe Acrobat pdf documents.