2023_CIV185_final_exam

CIV 185 Earth systems science Final exam 2023 Open book, drawing tools, and calculators permitted. Write your answers within the areas provided. The exam has 8 pages (double-sided), but the last page is just an extra page, in case you need it. The extra page can be torn out if you like, it does not have to be submitted. A stapler will be available at the end of the exam period, if your exam needs to be stapled back together. First name Last name Student ID# 1. The easy eight 8 2. Week 10 guest lecture 2 3. Exam day weather 3 4. JEOPARDY 2 5. Isostasy and quick clay 3 6. Glaciers 5 7. What’s under King’s College C ircle? 2 8. Rock ID 3 9. Mapping 9 10. Rock Mass Rating 3 total 40 1

1. The easy eight [8 pts] Circle a correct response for each question (relax, there are no incorrect answers). [1 pt] SiO 2 is the chemical formula for: A. Quartz B. Tridimyte C. Cristobalite D. Chert [1 pt] Select a Geologic Period during which dinosaurs roamed the Earth: A. Triassic B. Jurassic C. Cretaceous [1 pt] Indicate a parameter that influences the amount of insolation in the Northern Hemisphere: A. Earth’s tilt (obliquity) B. The shape of Earth’s orbit (eccentricity) C. The direction towards which the Earth’s axis of rotation is tilting (precession) [1 pt] Choose a parameter that influences the velocity of water flowing in a channel: A. Gradient (slope of bottom of channel) B. Channel shape C. Channel size D. Channel surface roughness E. Discharge (volume per unit time) [1 pt] Select a mineral that exhibits magnetism: A. Magnetite Fe 2+ Fe 3+ 2 O 4 B. Pyrrhotite Fe 1-x S C. Maghemite Fe 2 O 3 D. Pentlandite (Ni,Fe) 9 S 8 [1 pt] Select an extrusive igneous rock from the list below: A. Obsidian B. Basalt C. Rhyolite D. Andesite [1 pt] Select an area that has experienced severe flooding this year (2023): A. Nairobi, Kenya B. Nsanje, Malawi C. Şanlıurfa and Adıyaman, Türkiye D. Luanda, Angola E. Kenora, Ontario [1 pt] Indicate an isotope that is used for radiometric dating: A. Lutetium-176 B. Uranium-238 C. Rubidium-87 D. Potassium-40 E. Carbon-14 2

2. Week 10 guest lecture (Peace River Dam Site C) [2 pts] Circle the correct response. [0.5 pts] Fibre optics technology works on what basic principle? A. Propagation and backscattering of pulse of laser B. Transmission of light through glass C. Reflection of seismic rays D. All of the above [0.5 pts] In fibre optics applications, which of the following are typical measurements? A. Distributed Temperature Sensing (DTS) B. Distributed Acoustic Sensing (DAS) C. Distributed Strain Sensing (DSS) D. All of the above Fill in the blanks. [1 pts] Based on the figure below showing distributed temperature measurements at different times of the day in the Walker River, Nevada, USA. An estimate of the location of a groundwater inflow into the river is at m, and the groundwater temperature is  C.

3. Exam day weather [3 pts] [1 pt] On the map below, indicate the location of the closest pressure center during this exam.  If it is a high pressure center, indicate its location with a large letter “H”  If it is a low pressure center, indicate its location with a large letter “L” [1 pt] By drawing multiple arrows on the map above, indicate the direction of typical air circulation around the pressure center. [1 pt] In the space below, provide your best estimate for today’s high temperature (at Pearson Airport). 4. Earth Science JEOPARDY [2 pts] Provide the correct response to each prompt, and don’t forget to phrase your responses in the form of a question! [1 pt] (category; “Earth Projections”) UTM zone Central Meridians all share this same value for Easting [1pt] (category; “Geologic Time”): The law of superposition dictates that the uppermost sedimentary rock layer is always this 3