Environmental Science – ESCI 1470



Quiz #3 (Minimum total of 27 points) Dr. Patrick Louchouarn

Make sure you read the questions completely BEFORE you answer.

Multiple Choice: Answer each question with the one most appropriate answer (8 pts)

1. A highly saline water mass only observed in the Atlantic Ocean and found at ~1000m depth: a) North Atlantic Deep Water mass; b) Red Sea Intermediate Water mass; c) Mediterranean Sea Water mass; d) Antarctic Intermediate Water mass; e) Bering Sea Water mass.

2. Gas(es) that absorb(s) radiation in the I.R. spectrum: a) oxygen; b) ozone; c) CO2; d) N2; e) a and d; ab) c and d; ac) a and b

3. A σt value of 24.02 means: a) a salinity of 24 parts per thousand; b) a potential temperature of 24.02°C; c) a density of water of 1.02402 g/cm3; d) an isotopic composition of water of 24.02‰.

4. Layer across which there is a rapid change in water density with depth: a) densocline; b) thermocline; c) pycnocline; d) halocline; e) verticline.

5. Tidal “bulges” are produced by: a) gravitational force (attraction) of the moon; b) seismic forces; c) “a” and “d”; d) centrifugal force; e) wind forces; ab) “a” and “b”.

6. If a tsunami is generated by an earthquake just west of Alaska, when would it (approximately) reach Japan? a) in about 10 days; b) in a week; c) in a few hours; d) in a month.

7. Which of the following is not true about the Greenhouse Effect? a) It keeps the Earth at a temperature that can support life; b) light from the sun is converted into heat at the surface of the earth and radiated back to space, but getting trapped by gasses in the atmosphere; c) gasses in the atmosphere trap incoming solar radiation; d) water is the most effective Greenhouse Gas

8. If a storm is blowing in the middle of the Gulf of Mexico, which type of waves will we experience first on the beach of Galveston Island? a) shallow-water waves; b) short-period waves; c) long wavelength waves; d) tsunamis; e) waves with speed defined by [pic]

True and False: indicate whether the following statements are true or false (7 pts)

9. The symbol “σt” represents the density of a parcel of water of specific T and S corrected for the pressure effect at depth: a) true; b) false.

10. If the atmosphere contained no water vapor, CO2, or CH4, the temperature of the Earth would be about -18(C: a) true; b) false.

11. Any object that is a perfect absorber and perfect emitter of the full spectrum of radiation it receives is called a black body: a) true; b) false.

12. For deep-water waves, changes in pressure are undetectable at a water depth greater than two wavelengths (L): a) true; b) false.

13. Ideal tides are waves with a wavelength of ~20,000 km and a period of ~12 hrs: a) true; b) false.

14. Cotidal lines connect points at which any given tide level is the same: a) true; b) false.

15. The speed of deep-water waves is NOT affected by the depth of the water column: a) true; b) false.

Matching: match the statements below with their subsequent counterpart (7 pts)

16. [pic] c)

17. Unobstructed distance over which wave-forming winds blow e)

18. Shallow water wave d)

19. _____ tides: largest high tides within a month’s period ab)

20. _____ tides: smallest high tides within a month’s period b)

21. Time required for two successive wave crests to pass a point a)

22. Points on the water surface that have equal tidal height ac)

a) Period

b) Neap

c) Deep-water wave

d) tsunami

e) Fetch

ab) Spring

ac) Corange line

Interpreting graphs (5 pts):

23. Using at the Figure below, answer the following question: what is the period of a wave if the wind blows at 30 kn, the fetch is 100 nm, and the wind blows for 20 hrs? a) ~13 s; b) ~8 m; c) ~8 s; d) ~13 m; e) none of the above.

[pic]

24. Using at the Figure below, answer the following question: what is the period of a Using the Figure below, answer the question: How many water masses are there in the water column at 20ºS? a) 1; b) 5; c) 4; d) 2; e) 3.

[pic]

25. Using the Figure below, answer the question: the horizontal lines in the figure represent a) wave height at constant wind speed; b) wave energy at constant water depth; c) wave speed at constant wave length; d) none of the above.

[pic]

26. The red line on the figure below (a to b) shows: a) the process of water mass dilution; b) the cooling of water masses in the deep ocean; c) the process of water mass densification through mixing; d) all of the previous; e) none of the previous.

[pic]

27. The color scheme along any latitude line on the figure below is due to? a) sphericity of the Earth; b) earth magnetic field; c) seasonal difference in insulation; d) Seasonal primary productivity in the ocean; e) a and b; ab) b and d; ac) none of the above.

[pic]

Bonus Multiple Choice Questions: Answer each question with the one most appropriate answer on the separate Scantron sheet – Remember to put your name! (10% max)

1) Mark Spitz held the all-time Olympic record for what Olympic event? a) athletics; b) gymnastics; c) swimming; d) horse-back riding; e) diving.

2) What is the origin of Doc Martens? a) French fashion footwear; c) German punk boots; b) English work shoes; d) Dutch radical boots.

3) How many official languages does Switzerland have? a) 2, b) 3, c) 4, d) 5, e) 1.

4) What soccer star likes a spice? a) Lionel Messi, b) Cristiano Ronaldo, c) David Beckham, d) Wayne Rooney, e) Landon Donovan

5) Which country(ies) share a border with Botzwana: a) Mali; b) Angola; c) South Africa; d) Erytrea; e) Tanzania; ab) all of the previous.

6) Who was known as the Lizard King? a) Jimi Hendrix; b) Robert Plant; c) Jim Morrison; d) Stevie Ray Vaughan; e) Jethro Tull.

7) How long does a sun’s ray take to reach the Earth? a) it is instantaneous; b) five seconds; c) eight minutes; d) an hour.

8) To collect capers you have to: a) dig the earth; b) climb a ladder; c) bend down; d) filter water; e) reach the fifth level in Halo; ab) convince Galadriel, the queen of the wood-elves, to share one of her sacred fruits.

9) What do you call something you tweet about in Twitter, that later becomes a source of embarrassment for you: a) hashtag; b) tweet; c) twoops; d) twitterverse; e) you don’t or else you don’t deserve to be on Twitter.

10) In the semi-finals of Women’s World Soccer Cup, France lost to: a) Brazil; b) Japan; c) U.S.A.; d) England; e) Italy.

................
................

In order to avoid copyright disputes, this page is only a partial summary.

Google Online Preview   Download