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ATS Courses, Corvallis Campus

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Top ATS 201 CLIMATE SCIENCE (4)  Offered in current or future terms Baccalaureate Core Course
Physical laws governing the Earth's climate and their interactions with chemical and biological processes on land and in the atmosphere, oceans, and cryosphere. Past, present, and potential future climate changes due to natural and human causes are assessed using a variety of observations, models, and laboratory exercises. (Bacc Core Course)

Top ATS 210 INTRODUCTION TO THE ATMOSPHERIC SCIENCES (3) 
Physical basis of atmospheric phenomena on small, medium and large scales; introduction to atmospheric dynamics and thermodynamics; examination of atmospheric circulation systems; introduction to atmospheric physics and chemistry. Offered every term. PREREQS: College algebra and elementary functions.

Top ATS 295 OBSERVING CLIMATE (3)  Offered in current or future terms Has Extra Fees
One-week course taught during Spring Break at field sites near Corvallis, with ten hours of preparatory meetings on campus. Make and analyze observations of properties of the atmosphere, ocean, biosphere, and cryosphere that reflect processes relevant to regional and global climate. Serves as an introduction to upper-division course work in climate science. Field trip(s) required; transportation fee charged. Lec/lab. PREREQS: ATS 201 [C-] or ATS 320 [C-]

Top ATS 301 CLIMATE DATA ANALYSIS (4)  Offered in current or future terms
Quantitative methods to characterize the physical climate system and detect change. Interpret data based on source timescale, and statistics; communicate conclusions and uncertainties regarding past climate and future changes. PREREQS: ATS 201 [C-] and ST 351 [C-]

Top ATS 310 METEOROLOGY (4)  Offered in current or future terms
The study of the atmosphere, in particular atmospheric phenomena that we experience as weather. In this class key physical concepts in meteorology are introduced and explored. The physics of the atmosphere necessary to understand why atmospheric phenomena occur and how these are forecast is discussed. Meteorological data from observations and models will be analyzed to explore concepts introduced in the context of the weather we experience. PREREQS: (MTH 251 [C-] or MTH 251H [C-] ) and (MTH 252* [C-] or MTH 252H* [C-] ) and (PH 201 [D-] or PH 201H [D-] or PH 211 [D-] or PH 211H [D-] ) and (PH 202* [D-] or PH 202H* [D-] or PH 212* [D-] or PH 212H* [D-] )

Top ATS 320 THE CHANGING CLIMATE (3)  Baccalaureate Core Course
Survey of Earth's climate and the factors that influence climate. Examine causes of changes in atmospheric composition, the expected consequences of these changes, problems predicting future changes, and what can be done about the changes. Offered annually in fall. (Bacc Core Course)

Top ATS 399 SPECIAL TOPICS (1-16) 
This course is repeatable for a maximum of 12 credits.

Top ATS 399H SPECIAL TOPICS (1-16) 
This course is repeatable for a maximum of 12 credits. PREREQS: Honors College approval required.

Top ATS 401 RESEARCH (1-16)  Offered in current or future terms
This course is repeatable for a maximum of 24 credits.

Top ATS 403 THESIS (1-16)  Offered in current or future terms
This course is repeatable for a maximum of 24 credits.

Top ATS 405 READING AND CONFERENCE (1-16)  Offered in current or future terms
This course is repeatable for a maximum of 16 credits.

Top ATS 406 PROJECTS (1-16)  Offered in current or future terms
This course is repeatable for a maximum of 24 credits.

Top ATS 407 SEMINAR (1) 
One-credit sections. Graded P/N. This course is repeatable for a maximum of 12 credits.

Top ATS 410 INTERNSHIP (1-12)  Offered in current or future terms
Pre-career professional experience under joint faculty and employer supervision. Graded P/N. This course is repeatable for a maximum of 48 credits. PREREQS: 12 credits of upper-division college courses and approval required.

Top ATS 411 THERMODYNAMICS AND CLOUD MICROPHYSICS (4) 
Thermodynamic processes in the atmosphere, and an introduction to cloud microphysics. Offered annually. PREREQS: ( (MTH 254 [D-] or MTH 254H [D-] ) and PH 213 [D-] )

Top ATS 412 ATMOSPHERIC RADIATION (3) 
Radiative transfer in the earth and planetary atmospheres, absorption and scattering of sunlight, absorption and emission of terrestrial radiation, absorption and scattering cross sections for molecules, cloud droplets and aerosols. Applications include enhancement of photochemical reaction rates in clouds, remote sensing, and the earth's radiation budget, radiative-convective equilibrium, radiative forcing due to changes in atmospheric composition and climate change. PREREQS: ( (MTH 254 [D-] or MTH 254H [D-] ) and (MTH 256 [D-] or MTH 256H [D-] ) and PH 213 [D-] )

Top ATS 413 ATMOSPHERIC CHEMISTRY (3) 
Principles of atmospheric chemistry; chemical fundamentals, sampling principles, sources, reactions, scavenging, and deposition of sulfur, nitrogen, ozone, and carbon compounds. Atmospheric aerosol size distribution, mechanics, optics, and scavenging. Offered annually. PREREQS: (CH 121 or CH 201 or CH 221 or CH 231 or CH 231H or CH 224) and (MTH 251 or MTH 241)

Top ATS 420 PRINCIPLES OF CLIMATE: PHYSICS OF CLIMATE AND CLIMATE CHANGE (4)  Offered in current or future terms
Physics of climate past, present and future. Covers radiative processes, thermodynamics, and dynamics, as well as the paleoclimate record and mechanisms driving this variability. Current modes of climate variability (e.g., ENSO) will also be surveyed. Climate models, ranging from 0- to 3-dimensional, will be examined and projections for the future assessed. PREREQS: MTH 252 and (PH 202 or PH 202H or PH 212 or PH 212H)

Top ATS 421 CLIMATE MODELING (4)  Offered in current or future terms
Numerical models of the physics, chemistry, biology, and geology of the climate system. A range of climate models from a simple, single equation to complex state-of-the-science systems used for future projections. Theoretical concepts will be linked to practical applications through hands-on programming exercises and data analysis. Lec/lab. PREREQS: ATS 420/ATS 520 (recommended, talk to instructor if not taken); no prior programming knowledge required.

Top ATS 475 PLANETARY ATMOSPHERES (3) 
Origin and evolution of planetary atmospheres; vertical structure of atmospheres; hazes and clouds; atmospheric motions and general circulation. Presentation of recent observations and current research issues, focusing on Venus, Earth, Mars, Jupiter, Saturn, and Titan. Emphasis on comparative aspects and simple models. PREREQS: ( (MTH 254 [D-] or MTH 254H [D-] ) and PH 213 [D-] )

Top ATS 499 SELECTED TOPICS (1-16)  Offered in current or future terms
This course is repeatable for a maximum of 16 credits.

Top ATS 501 RESEARCH (1-16)  Offered in current or future terms
This course is repeatable for a maximum of 24 credits.

Top ATS 503 THESIS (1-16)  Offered in current or future terms
This course is repeatable for a maximum of 999 credits.

Top ATS 505 READING AND CONFERENCE (1-16)  Offered in current or future terms
This course is repeatable for a maximum of 16 credits.

Top ATS 506 PROJECTS (1-16)  Offered in current or future terms
This course is repeatable for a maximum of 72 credits.

Top ATS 507 SEMINAR (1) 
One-credit sections. Graded P/N. This course is repeatable for a maximum of 48 credits.

Top ATS 511 THERMODYNAMICS AND CLOUD MICROPHYSICS (4) 
Thermodynamic processes in the atmosphere, and an introduction to cloud microphysics. Offered annually. PREREQS: MTH 254 and PH 213

Top ATS 512 ATMOSPHERIC RADIATION (3) 
Radiative transfer in the earth and planetary atmospheres, absorption and scattering of sunlight, radiation, absorption and emission of terrestrial absorption and scattering cross sections for molecules, cloud droplets and aerosols. Applications include enhancement of photochemical reaction rates in clouds, remote sensing, and the earth's radiation budget, radiative-convective equilibrium, radiative forcing due to changes in atmospheric composition and climate change. PREREQS: MTH 254 and MTH 256 and PH 213

Top ATS 513 ATMOSPHERIC CHEMISTRY (3) 
Principles of atmospheric chemistry; chemical fundamentals, sampling principles, sources, reactions, scavenging, and deposition of sulfur, nitrogen, ozone, and carbon compounds. Atmospheric aerosol size distribution, mechanics, optics, and scavenging. Offered annually. PREREQS: (CH 121 or CH 201 or CH 221 or CH 231 or CH 231H or CH 224) and (MTH 251 or MTH 241)

Top ATS 515 ATMOSPHERIC DYNAMICS I (4) 
Derivation of equations governing atmospheric motions; shallow atmosphere approximation and the primitive equations. Simple balanced flows; vertical motion, circulation, vorticity and potential vorticity; Ekman layer dynamics; prototypical atmospheric waves; geostrophic adjustment; quasi-geostrophic motions; analysis of structure of synoptic-scale systems; baroclinic instability. Offered alternate years. PREREQS: MTH 256 and PH 213

Top ATS 516 ATMOSPHERIC DYNAMICS II (4) 
Review of basic equations; scale analysis and approximations. Turbulence and boundary layers. Dry and moist convection; convective storms. Frontogenesis; symmetric instability; internal gravity waves and mountain waves; differentially heated circulations including sea breezes. Slope flows and urban circulations. Offered alternate years. PREREQS: ATS 515 [C] and /or equivalent.

Top ATS 520 PRINCIPLES OF CLIMATE: PHYSICS OF CLIMATE AND CLIMATE CHANGE (4)  Offered in current or future terms
Physics of climate past, present and future. Covers radiative processes, thermodynamics, and dynamics, as well as the paleoclimate record and mechanisms driving this variability. Current models of climate variability (e.g., ENSO) will also be surveyed. Climate models, ranging from 0- to 3-dimensional, will be examined and projections for the future assessed. PREREQS: MTH 252 and (PH 202 or PH 202H or PH 212 or PH 212H)

Top ATS 521 CLIMATE MODELING (4)  Offered in current or future terms
Numerical models of the physics, chemistry, biology, and geology of the climate system. A range of climate models from a simple, single equation to complex state-of-the-science systems used for future projections. Theoretical concepts will be linked to practical applications through hands-on programming exercises and data analysis. Lec/lab. PREREQS: ATS 420/ATS 520 (recommended, talk to instructor if not taken); no prior programming knowledge required.

Top ATS 546 EXPERIMENTAL ENERGY AND GAS EXCHANGE (4) 
Experimental methods to quantify the atmospheric carbon dioxide, water, methane, heat, momentum, and radiative exchange at the vegetation-land-ocean-air interface. Techniques include bulk and gradient approaches, and eddy covariance. The central activity consists of student teams designing and conducting a field experiment, analyzing and interpreting observations, and presenting results. Lec/lab/discussion/activity. PREREQS: (ATS 516 or ATS 564 or FS 564 or ATS 516) or equivalent. Talk to instructor when no theoretical and conceptional background exists; basic programming skills in Matlab or IDL desirable.

Top ATS 564 INTERACTIONS OF VEGETATION AND ATMOSPHERE (3) 
Quantitative treatment of radiation, heat, mass, and momentum exchange between vegetation and atmosphere; forest, natural and agricultural ecosystem examples. Physical and biological controls of carbon dioxide and water vapor exchange; remote sensing of canopy processes; models of stand-scale evaporation, photosynthesis and respiration; landscape and regional scale exchanges; vegetation and planetary boundary layer coupling; vegetation in global climate models. PREREQS: MTH 251 and PH 201

Top ATS 575 PLANETARY ATMOSPHERES (3) 
Origin and evolution of planetary atmospheres; vertical structure of atmospheres; hazes and clouds; atmospheric motions and general circulation. Presentation of recent observations and current research issues, focusing on Venus, Earth, Mars, Jupiter, Saturn, and Titan. Emphasis on comparative aspects and simple models. PREREQS: MTH 254 and PH 213

Top ATS 590 SPECIAL TOPICS (1-4)  Offered in current or future terms
Maximum of 12 credits may be used in a graduate program. This course is repeatable for a maximum of 24 credits.

Top ATS 601 RESEARCH (1-16)  Offered in current or future terms
This course is repeatable for a maximum of 36 credits.

Top ATS 603 THESIS (1-16)  Offered in current or future terms
This course is repeatable for a maximum of 999 credits.

Top ATS 605 READING AND CONFERENCE (1-16)  Offered in current or future terms
This course is repeatable for a maximum of 16 credits.

Top ATS 606 PROJECTS (1-16)  Offered in current or future terms
This course is repeatable for a maximum of 84 credits.

Top ATS 607 SEMINAR (1) 
One-credit sections. Graded P/N. This course is repeatable for a maximum of 48 credits.

Top ATS 615 LARGE-SCALE INTERACTIONS OF THE OCEAN AND ATMOSPHERE (3)  Offered in current or future terms
Ocean-atmosphere circulations in the time-mean and seasonal cycles, equatorial wave modes, El Nino-Southern Oscillation, Madden-Julian oscillation, teleconnections and atmospheric bridges, mid-latitude air-sea interactions, Pacific and Atlantic decadal variability, the North Atlantic oscillation/Arctic oscillation. PREREQS: (ATS 515 [C] or OC 670 [C] ) and /or instructor approval.

Top ATS 630 CLIMATE DYNAMICS (3) 
Physical basis of climate and climatic change; radiation budget, surface energy budget, atmosphere and ocean circulation; energy balance models and their application to problems in climate change. Offered alternate years. PREREQS: MTH 254 and PH 213

Top ATS 655 MESOSCALE NUMERICAL MODELING (3) 
Review and classification of governing equations, finite difference approaches, Galerkin methods, truncation error and accuracy of solutions. Analysis of numerical stability, boundary conditions, and gridding methods focusing on issues relevant to mesoscale modeling such as nesting and terrain-following coordinate systems. Discussion of elliptical systems and methods for pressure solution. Study of current models with emphasis on turbulence parameterization, microphysics and initialization. Development of simple models and application of existing model systems. PREREQS: ( (ATS 515 [C] and ATS 516 [C] ) or OC 671 [C] ) and /or instructor approval.

Top ATS 690 SELECTED TOPICS (1-16) 
Maximum of 12 credits may be used in a graduate program. This course is repeatable for a maximum of 12 credits.



 
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