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111 - 120 of 171 results for: all courses

GEOLSCI 110: Rock Deformation and Tectonics (GEOLSCI 294)

Theory, principles, and practical techniques to measure, describe, analyze, and interpret deformation-related structures on Earth. Collection of fault and fold data in the field followed by lab and computer analysis; interpretation of geologic maps and methods of cross-section construction; structural analysis of fault zones and metamorphic rocks; measuring deformation; regional structural styles and associated landforms related to plate tectonic convergence, rifting and strike-slip faulting; the evolution of mountain belts and formation of sedimentary basins. Prerequisite: GEOLSCI 1, calculus. Recommended: 102, 105.
Terms: Spr | Units: 5 | UG Reqs: GER: DB-NatSci, WAY-SMA | Grading: Letter (ABCD/NP)
Instructors: Miller, E. (PI)

GEOLSCI 123: Evolution of Marine Ecosystems (BIO 119, EARTHSYS 122, GEOLSCI 223B)

Life originally evolved in the ocean. When, why, and how did the major transitions occur in the history of marine life? What triggered the rapid evolution and diversification of animals in the Cambrian, after more than 3.5 billion years of Earth's history? What caused Earth's major mass extinction events? How do ancient extinction events compare to current threats to marine ecosystems? How has the evolution of primary producers impacted animals, and how has animal evolution impacted primary producers? In this course, we will review the latest evidence regarding these major questions in the history of marine ecosystems. We will develop familiarity with the most common groups of marine animal fossils. We will also conduct original analyses of paleontological data, developing skills both in the framing and testing of scientific hypotheses and in data analysis and presentation.
Terms: not given this year | Units: 3-4 | UG Reqs: GER: DB-NatSci, WAY-SMA | Grading: Letter or Credit/No Credit

GEOLSCI 170: Environmental Geochemistry (EARTHSYS 170, GEOLSCI 270)

Solid, aqueous, and gaseous phases comprising the environment, their natural compositional variations, and chemical interactions. Contrast between natural sources of hazardous elements and compounds and types and sources of anthropogenic contaminants and pollutants. Chemical and physical processes of weathering and soil formation. Chemical factors that affect the stability of solids and aqueous species under earth surface conditions. The release, mobility, and fate of contaminants in natural waters and the roles that water and dissolved substances play in the physical behavior of rocks and soils. The impact of contaminants and design of remediation strategies. Case studies. Prerequisite: 90 or consent of instructor.
Terms: not given this year | Units: 4 | UG Reqs: GER: DB-NatSci | Grading: Letter (ABCD/NP)

GEOLSCI 185: Volcanology (GEOLSCI 285A)

For juniors, seniors, and beginning graduate students. Eruptive processes that create volcanic deposits and landforms; shield, stratocone, and composite volcanoes, lava dome fields; calderas. Control of magma viscosity and water content on eruptive style. Fluid dynamic controls on the characteristics of lavas and pyroclastic flows. Submarine and subglacial eruptions and interaction of magma with groundwater. Rhyolitic supereruptions and flood basalts: effects on climate and atmospheric chemistry, relation to extinction events. Volcanic hazards and mitigating risk. Geophysical monitoring of active volcanoes. Volcanic-hosted geothermal systems and mineral resources. Those taking the class for 4 units will complete a 3-hour weekly lab that emphasizes recognizing types of lavas and products of explosive eruptions in hand specimen and thin section. Prerequisite: 1, for those taking the course for 3 units; 103 and 104 or equivalent for those taking the course for 4 units.
Terms: not given this year | Units: 3-4 | UG Reqs: GER: DB-NatSci | Grading: Letter or Credit/No Credit

GEOPHYS 20N: Predicting Volcanic Eruptions

The physics and chemistry of volcanic processes and modern methods of volcano monitoring. Volcanoes as manifestations of the Earth's internal energy and hazards to society. How earth scientists better forecast eruptive activity by monitoring seismic activity, bulging of the ground surface, and the discharge of volcanic gases, and by studying deposits from past eruptions. Focus is on the interface between scientists and policy makers and the challenges of decision making with incomplete information. Field trip to Mt. St. Helens, site of the 1980 eruption.
Terms: not given this year, last offered Spring 2018 | Units: 3 | UG Reqs: GER: DB-NatSci, WAY-AQR, WAY-SMA | Grading: Letter or Credit/No Credit

GEOPHYS 50N: Planetary Habitability, World View, and Sustainability

Sustainability lessons from the geological past Life on Earth has partially perished in sudden mass extinctions several time over the Earth's history. Threats include actions of our own volition, including fossil fuel burning as well as natural events, including the impact of large asteroids. The end Permian 250 million years ago and end Paleocene 55 million years ago extinctions involved natural burning of fossil fuels. The 65 million year ago end Cretaceous extinction involved the impact of and asteroid and possibly fossil fuel burning. Related sustainability topics in the popular press will be discussed as they arise. Student pairs lead discussions on topics on how humanity might avert these catastrophes. Offered occasionally.
Terms: not given this year, last offered Winter 2015 | Units: 3 | UG Reqs: GER: DB-NatSci | Grading: Letter or Credit/No Credit

GEOPHYS 70: The Water Course (EARTHSYS 104)

The Central Valley of California provides a third of the produce grown in the U.S., but has a desert climate, thus raising concerns about both food and water security. The pathway that water takes rainfall to the irrigation of fields (the water course) determines the quantity and quality of the available water. Working with various data sources (remote sensing, gauges, wells) allows us to model the water budget in the valley and explore the way in which recent droughts and increasing demand are impacting freshwater supplies.
Terms: not given this year, last offered Winter 2018 | Units: 3 | UG Reqs: GER: DB-NatSci, WAY-AQR, WAY-SMA | Grading: Letter or Credit/No Credit

GEOPHYS 110: Introduction to the Foundations of Contemporary Geophysics (EARTHSYS 110)

Introduction to the foundations of contemporary geophysics. Topics drawn from broad themes in: whole Earth geodynamics, geohazards, natural resources, and enviroment. In each case the focus is on how the interpretation of a variety of geophysical measurements (e.g., gravity, seismology, heat flow, electromagnetics, and remote sensing) can be used to provide fundamental insight into the behavior of the Earth. The course will include a weekend field trip. Prerequisite: CME 100 or MA TH 51, or co-registration in either.
Terms: Spr | Units: 3 | UG Reqs: GER: DB-NatSci, WAY-AQR, WAY-SMA | Grading: Letter or Credit/No Credit

GEOPHYS 120: Ice, Water, Fire (GEOPHYS 220)

Introductory application of continuum mechanics to ice sheets and glaciers, water waves and tsunamis, and volcanoes. Emphasis on physical processes and mathematical description using balance of mass and momentum, combined with constitutive equations for fluids and solids. Designed for undergraduates with no prior geophysics background; also appropriate for beginning graduate students. Prerequisites: CME 100 or MATH 52 and PHYSICS 41 (or equivalent).
Terms: Win | Units: 3-5 | UG Reqs: GER: DB-NatSci, WAY-FR, WAY-SMA | Grading: Letter or Credit/No Credit

GEOPHYS 130: Introductory Seismology

Introduction to seismology including: elasticity and the wave equation, P, S, and surface waves, dispersion, ray theory, reflection and transmission of seismic waves, seismic imaging, large-scale Earth structure, earthquake location, earthquake statistics and forecasting, magnitude scales, seismic source theory.
Terms: Aut | Units: 3 | UG Reqs: GER: DB-NatSci, WAY-AQR, WAY-SMA | Grading: Letter or Credit/No Credit
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