Program Requirements
The B.Sc.; Liberal Program  Core Science Component in Atmospheric and Oceanic Sciences provides a solid foundation of knowledge relevant for the physical science of the atmosphere and oceans with application to weather and climate. The program may be completed in 45 or 48 credits
Required Courses (21 credits)

ATOC 214 Introduction: Physics of the Atmosphere (3 credits)
Overview
Atmospheric & Oceanic Sciences : An introduction to key physical processes operating in the atmosphere, designed for students in science and engineering. Topics typically include: composition of the atmosphere; vertical structure; heat transfer; solar and terrestrial radiation and Earth's energy balance; seasonal and daily temperature changes; humidity and the formation of clouds and precipitation; stability of tropospheric air layers; applications of adiabatic charts.
Terms: Fall 2024
Instructors: Ioannidou, Evangelia (Fall)

ATOC 312 Rotating Fluid Dynamics (3 credits)
Overview
Atmospheric & Oceanic Sciences : Fundamentals of fluid motion on a rotating sphere: Rotating coordinate systems, the Lagrangian time derivative, and equations of motion. The geostrophic approximation and thermal wind balance; departures from geostrophy, such as frictional Ekman layers, inertial oscillations, and the gradient wind balance. The shallow water equations, including potential vorticity conservation, quasigeostrophy, and simple wave solutions.
Terms: Fall 2024
Instructors: Kirshbaum, Daniel (Fall)

ATOC 315 Thermodynamics and Convection (3 credits)
Overview
Atmospheric & Oceanic Sciences : Buoyancy, stability, and vertical oscillations. Dry and moist adiabatic processes. Resulting dry and precipitating convective circulations from the small scale to the global scale. Mesoscale precipitation systems from the cell to convective complexes. Severe convection, downbursts, mesocyclones.
Terms: Fall 2024
Instructors: Tan, Ivy (Fall)

MATH 222 Calculus 3 (3 credits)
Overview
Mathematics & Statistics (Sci) : Taylor series, Taylor's theorem in one and several variables. Review of vector geometry. Partial differentiation, directional derivative. Extreme of functions of 2 or 3 variables. Parametric curves and arc length. Polar and spherical coordinates. Multiple integrals.
Terms: Fall 2024, Winter 2025
Instructors: Pym, Brent; Tageddine, Damien (Fall)

MATH 223 Linear Algebra (3 credits)
Overview
Mathematics & Statistics (Sci) : Review of matrix algebra, determinants and systems of linear equations. Vector spaces, linear operators and their matrix representations, orthogonality. Eigenvalues and eigenvectors, diagonalization of Hermitian matrices. Applications.
Terms: Fall 2024, Winter 2025
Instructors: Elaidi, Shereen; Bellemare, Hugues (Fall) Macdonald, Jeremy (Winter)

MATH 314 Advanced Calculus (3 credits)
Overview
Mathematics & Statistics (Sci) : Derivative as a matrix. Chain rule. Implicit functions. Constrained maxima and minima. Jacobians. Multiple integration. Line and surface integrals. Theorems of Green, Stokes and Gauss. Fourier series with applications.
Terms: Fall 2024, Winter 2025
Instructors: Martine, Gabriel (Fall)

MATH 315 Ordinary Differential Equations (3 credits)
Overview
Mathematics & Statistics (Sci) : First order ordinary differential equations including elementary numerical methods. Linear differential equations. Laplace transforms. Series solutions.
Terms: Fall 2024, Winter 2025
Instructors: Paquette, Courtney (Fall) Kamran, Niky (Winter)
Complementary Courses (2427 credits)
Note: All students are encouraged to consult with the Undergraduate Adviser for help selecting from among the complementary courses.
36 credits selected from:

ATOC 215 Oceans, Weather and Climate (3 credits)
Overview
Atmospheric & Oceanic Sciences : An introduction to key physical and dynamical processes in the oceans and atmosphere. Topics typically include airseaice interactions, laws of motion, the geostrophic and thermal wind relations, general circulation of the atmosphere and oceans, weather, radiative balance, climate sensitivity and variability, role of the atmosphere and oceans in climate.
Terms: Winter 2025
Instructors: Fajber, Robert (Winter)
Winter
3 hours lecture
Prerequisite: MATH 141

ATOC 219 Introduction to Atmospheric Chemistry (3 credits)
Overview
Atmospheric & Oceanic Sciences : An introduction to the basic topics in atmospheric chemistry. The fundamentals of the chemical composition of the atmosphere and its chemical reactions. Selected topics such as smog chamber, acid rain, and ozone hole will be examined.
Terms: Winter 2025
Instructors: Preston, Thomas (Winter)
Winter
3 hours lecture
Prerequisites: CHEM 110 and CHEM 120, and one of MATH 139 or MATH 140 or MATH 150, or a CEGEP DEC in Science, or permission of instructor.
Restriction: Not open to students who have taken CHEM 219, CHEM 419 or ATOC 419
Offered in odd years. Students should register in CHEM 219 in even years
3 credits selected from:

ATOC 357 Atmospheric and Oceanic Science Laboratory (3 credits)
Overview
Atmospheric & Oceanic Sciences : Students will gain handson experience in several fundamental atmospheric and oceanic science topics through practical experimentation. A diverse set of experiments will be conducted, ranging from in situ observations in Montreal, to remote sensing of clouds and radiation, to laboratory chemistry and watertank experiments. As a background for these experiments, students will receive training on sensor principles and measurement error analysis, as well as the fundamental physical processes of interest in each experiment. They will learn to operate, and physically interpret data from, various sensors for in situ and remote observation of meteorological variables. Their training will also extend to operational weather observations, analysis, and forecasting.
Terms: Winter 2025
Instructors: There are no professors associated with this course for the 20242025 academic year.
Prerequisite(s): ATOC 214 or permission of instructor.

PHYS 257 Experimental Methods 1 (3 credits)
Overview
Physics : Introductory laboratory work and data analysis as related to mechanics, optics and thermodynamics. Introduction to computers as they are employed for laboratory work, for data analysis and for numerical computation. Previous experience with computers is an asset, but is not required.
Terms: Fall 2024
Instructors: Vachon, Brigitte (Fall)
3 credits selected from:

PHYS 230 Dynamics of Simple Systems (3 credits)
Overview
Physics : Translational motion under Newton's laws; forces, momentum, work/energy theorem. Special relativity; Lorentz transforms, relativistic mechanics, mass/energy equivalence. Topics in rotational dynamics. Noninertial frames.
Terms: Fall 2024
Instructors: Guo, Hong (Fall)

PHYS 251 Honours Classical Mechanics 1 (3 credits)
Overview
Physics : Newton's laws, work energy, angular momentum. Harmonic oscillator, forced oscillations. Inertial forces, rotating frames. Central forces, centre of mass, planetary orbits, Kepler's laws.
Terms: Fall 2024
Instructors: Chiang, Hsin Cynthia (Fall)
3 credits selected from:

PHYS 232 Heat and Waves (3 credits)
Overview
Physics : The laws of thermodynamics and their consequences. Thermodynamics of PVT systems and simple heat engines. Free, driven, and damped harmonic oscillators. Coupled systems and normal modes. Fourier methods. Wave motion and dispersion. The wave equation.
Terms: Winter 2025
Instructors: Hilke, Michael (Winter)

PHYS 253 Thermal Physics (3 credits)
Overview
Physics : Energy, work, heat; first law. Temperature, entropy; second law. Absolute zero; third law. Equilibrium, equations of state, gases, liquids, solids, magnets; phase transitions.
Terms: Fall 2024
Instructors: Grutter, Peter H (Fall)
1215 credits selected from (at least 6 of which must be ATOC):

ATOC 309 Weather Radars and Satellites (3 credits)
Overview
Atmospheric & Oceanic Sciences : Basic notions of radiative transfer and applications of satellite and radar data to mesoscale and synopticscale systems are discussed. Emphasis will be put on the contribution of remote sensing to atmospheric and oceanic sciences.
Terms: Winter 2025
Instructors: Tan, Ivy (Winter)
Winter
3 hours lecture
Prerequisite: ATOC 215

ATOC 512 Atmospheric and Oceanic Dynamics (3 credits)
Overview
Atmospheric & Oceanic Sciences : Equations of motion used to study waves, turbulence, and the general circulation of the atmosphere and oceans. Standard approximations to these equations, including the Boussinesq, primitive, quasigeostrohic, and rotating shallow water equations. Emphasis is on effects for which rotation and/or buoyancy play essential roles. Simple classes of flow, e.g., geostrophic, thermal wind, Ekman, and inertial oscillations.
Terms: Fall 2024
Instructors: Straub, David N (Fall)

ATOC 513 Waves and Stability (3 credits)
Overview
Atmospheric & Oceanic Sciences : Description of the principal wave types and instability mechanisms of geophysical fluid dynamics. Geostrophic adjustment, wave dispersion, the WKBJ approximation. Wave types considered include (internal) inertiagravity waves, planetary Rossby waves, and the equatorial and coastal wave guides. Instabilities considered include inertial, symmetric, barotropic, baroclinic, and KelvinHelmholtz instability.
Terms: Winter 2025
Instructors: Straub, David N (Winter)

ATOC 515 Turbulence in Atmosphere and Oceans (3 credits)
Overview
Atmospheric & Oceanic Sciences : Application of statistical and semiempirical methods to the study of geophysical turbulence. Reynolds' equations, dimensional analysis, and similarity. The surface and planetary boundary layers. Oceanic mixed layer. Theories of isotropic two and three dimensional turbulence: energy and enstrophy inertial ranges. Beta turbulence.
Terms: This course is not scheduled for the 20242025 academic year.
Instructors: There are no professors associated with this course for the 20242025 academic year.

ATOC 517 Boundary Layer Meteorology
(3 credits)
Overview
Atmospheric & Oceanic Sciences : Turbulence and turbulent fluxes, atmospheric stability, MoninObukhov similarity theory, surface roughness and surface fluxes, power law and logarithmic wind profiles including their application in wind energy and engineering sectors, convective and stably stratified boundary layers, internal boundary layer development, largeeddy simulations, fundamentals of boundarylayer parameterization in numerical models, and introduction to urban boundary layers.
Terms: This course is not scheduled for the 20242025 academic year.
Instructors: There are no professors associated with this course for the 20242025 academic year.

ATOC 519 Advances in Chemistry of Atmosphere (3 credits)
Overview
Atmospheric & Oceanic Sciences : Exploration of the field of atmospheric chemistry that is identified as the significant driver of climate change and the cause of millions of premature death every year. Discussion of cuttingedge novel technologies for observing and quantifying pollutants (from ground to satellite) using artificial intelligence, the fate of emerging contaminants (e.g., nano/microplastics, trace metals, persistent organic), and modelling of atmospheric and interfacial processes. Examination of topics like atmospheric gaseous and multiphase components like bioaerosols. Study of photochemical, photophysical, and aerosol nucleation processes that affect air quality, climate change, and ecosystem health.
Terms: Fall 2024
Instructors: Ariya, Parisa A (Fall)

ATOC 521 Cloud Physics (3 credits)
Overview
Atmospheric & Oceanic Sciences : A detailed overview of the environmental factors and microphysical processes involved in the formation of clouds and precipitation. Topics typically include: cloud observations, atmospheric thermodynamics, environmental stability regimes, convection, the microphysics of the formation of cloud droplets and ice crystals, initiation of precipitation, aerosol–cloud interactions.
Terms: Winter 2025
Instructors: Zuend, Andreas (Winter)

ATOC 525 Atmospheric Radiation (3 credits)
Overview
Atmospheric & Oceanic Sciences : Solar and terrestrial radiation. Interactions of molecules, aerosols, clouds, and precipitation with radiation of various wavelengths. Radiative transfer through the clear and cloudy atmosphere. Radiation budgets. Satellite and groundbased measurements. Climate implications.
Terms: This course is not scheduled for the 20242025 academic year.
Instructors: There are no professors associated with this course for the 20242025 academic year.

ATOC 531 Dynamics of Current Climates (3 credits)
Overview
Atmospheric & Oceanic Sciences : A detailed overview of the climate and the global energy balance. Topics typically include: energy balance at top of the atmosphere and at the surface, poleward energy flux, the role of clouds, climate and atmospheric/oceanic general circulations, natural variability of the climate system, evolution of climate and climate change.
Terms: Fall 2024
Instructors: Fajber, Robert (Fall)

ATOC 540 Synoptic Meteorology 1 (3 credits)
Overview
Atmospheric & Oceanic Sciences : Analysis of current meteorological data. Description of a geostrophic, hydrostatic atmosphere. Ageostrophic circulations and hydrostatic instabilities. Kinematic and thermodynamic methods of computing vertical motions. Tropical and extratropical condensation rates. Barotropic and equivalent barotropic atmospheres.
Terms: Fall 2024
Instructors: Gyakum, John Richard (Fall)

ATOC 541 Synoptic Meteorology 2 (3 credits)
Overview
Atmospheric & Oceanic Sciences : Analysis of current meteorological data. Quasigeostrophic theory, including the omega equation, as it relates to extratropical cyclone and anticyclone development. Frontogenesis and frontal circulations in the lower and upper troposphere. Cumulus convection and its relationship to tropical and extratropical circulations. Diagnostic case study work.
Terms: This course is not scheduled for the 20242025 academic year.
Instructors: There are no professors associated with this course for the 20242025 academic year.

ATOC 546 Current Weather Discussion (1 credit)
Overview
Atmospheric & Oceanic Sciences : Halfhour briefing on atmospheric general circulation and current weather around the world using satellite data, radar observations, conventional weather maps, and analyses and forecasts produced by computer techniques.
Terms: This course is not scheduled for the 20242025 academic year.
Instructors: There are no professors associated with this course for the 20242025 academic year.
Winter
2 hours
Prerequisite (Undergraduate): ATOC 540 or permission of instructor
Restriction: Graduate students and finalyear Honours Atmospheric Science students. Others by special permission.

ATOC 548 Mesoscale Meteorology (3 credits)
Overview
Atmospheric & Oceanic Sciences : Theory of meteorologically important mesoscale phenomena including mesoscale instabilities, cumulus convection and its organization (including thunderstorms, squall lines, and other forms of severe weather), internal gravity waves, and topographically forced flows. Application of theory to the physical interpretation of observations and numerical simulations.
Terms: Winter 2025
Instructors: Romanic, Djordje (Winter)

ATOC 557 Research Methods: Atmospheric and Oceanic Science (3 credits)
Overview
Atmospheric & Oceanic Sciences : The analysis of observational and modeling data, and the advantages and limitations of different data. Different analysis methods including regression, linear stochastic processes autocovariance and spectral analysis, principle component analysis, inverse problems and data assimilation, commonly used in the atmospheric and oceanic sciences.
Terms: This course is not scheduled for the 20242025 academic year.
Instructors: There are no professors associated with this course for the 20242025 academic year.

ATOC 558 Numerical Methods and Laboratory (3 credits)
Overview
Atmospheric & Oceanic Sciences : Numerical simulation of atmospheric and oceanic processes. Finite difference, finite element, and spectral modelling techniques. Term project including computer modelling of convection or largescale flows in the atmosphere or ocean.
Terms: Winter 2025
Instructors: Kirshbaum, Daniel (Winter)

ATOC 568 Ocean Physics (3 credits)
Overview
Atmospheric & Oceanic Sciences : Major topics in physics and dynamics of the ocean including seawater properties, density and equation of state, sea ice, airseaice exchanges, mixing and stability in the ocean, winddriven and thermohaline circulations. Observational techniques and numerical models of the ocean, which include some data analysis and literature review.
Terms: Fall 2024
Instructors: Tremblay, Bruno (Fall)
Winter
3 hours lecture
Prerequisite (Undergraduate): ATOC 512 or permission of instructor

COMP 208 Computer Programming for Physical Sciences and
Engineering
(3 credits)
Overview
Computer Science (Sci) : Programming and problem solving in a high level computer language: variables, expressions, types, functions, conditionals, loops, objects and classes. Introduction to algorithms such as searching and sorting. Modular software design, libraries, file input and output, debugging. Emphasis on applications in Physical Sciences and Engineering, such as root finding, numerical integration, diffusion, Monte Carlo methods.
Terms: Fall 2024, Winter 2025
Instructors: Langer, Michael; PrémontSchwarz, Isabeau (Fall) PrémontSchwarz, Isabeau (Winter)
3 hours
Restrictions: Not open to students who have taken or are taking COMP 202, COMP 204, orGEOG 333; not open to students who have taken or are taking COMP 206 or COMP 250.
COMP 202 is intended as a general introductory course, while COMP 208 is intended for students with sufficient math background and in (nonlife) science or engineering fields.

MATH 203 Principles of Statistics 1 (3 credits)
Overview
Mathematics & Statistics (Sci) : Examples of statistical data and the use of graphical means to summarize the data. Basic distributions arising in the natural and behavioural sciences. The logical meaning of a test of significance and a confidence interval. Tests of significance and confidence intervals in the one and two sample setting (means, variances and proportions).
Terms: Fall 2024, Winter 2025
Instructors: Stephens, David; Correa, Jose Andres (Fall) Sajjad, Alia (Winter)
No calculus prerequisites
Restriction: This course is intended for students in all disciplines. For extensive course restrictions covering statistics courses see Section 3.6.1 of the Arts and of the Science sections of the calendar regarding course overlaps.
You may not be able to receive credit for this course and other statistic courses. Be sure to check the Course Overlap section under Faculty Degree Requirements in the Arts or Science section of the Calendar. Students should consult http://www.mcgill.ca/students/transfercredit for information regarding transfer credits for this course.

MATH 319 Partial Differential
Equations
(3 credits)
Overview
Mathematics & Statistics (Sci) : First order equations, geometric theory; second order equations, classification; Laplace, wave and heat equations, SturmLiouville theory, Fourier series, boundary and initial value problems.
Terms: Winter 2025
Instructors: Lin, Jessica (Winter)

PHYS 333 Thermal and Statistical Physics (3 credits)
Overview
Physics : Introductory equilibrium statistical mechanics. Quantum states, probabilities, ensemble averages. Entropy, temperature, Boltzmann factor, chemical potential. Photons and phonons. FermiDirac and BoseEinstein distributions; applications.
Terms: Winter 2025
Instructors: Rutledge, Robert (Winter)

PHYS 340 Majors Electricity and Magnetism (3 credits)
Overview
Physics : The electrostatic field and scalar potential. Dielectric properties of matter. Energy in the electrostatic field. Methods for solving problems in electrostatics. The magnetic field. Induction and inductance. Energy in the magnetic field. Magnetic properties of matter. Maxwell's equations. The dipole approximation.
Terms: Fall 2024
Instructors: Liu, Adrian (Fall)