METO 200 - WEATHER AND CLIMATE MIDTERM EXAM, March 8,2012 Total number of points is 100 MULTIPLE CHOICE (Each question is worth 2 points). Circle the correct answer 1. This measures wind speed a anemometer rmomeer c) psychrometer d) hygrometer e) barometer 2. When prevailing winds push an air parcel up the side of a mountain a) its relative humidity decreases b) it warms on the far side of the mountain e) all of the above 3. High solar zenith angles result in reduced solar energy because a) energy is spread over a larger area b) sun - earth distance is greater c) atmospheric path length is longer d) absorption is reduced uum ajan 4. The Drimarv cause of the earth's seasons is Iä) inclination of earth's rotational axis) bvarying orbital speed c) varying distance from the sun d) regular changes in radiation emitted by the sun 5. Neglecting friction, the speed and direction of the horizontal wind are determined by temperature and humidity gi and iidity Dressure gradient and Coriälj) viscosity and turbulence 'on1y gravity 6. On the average, for every 1 km increase in altitude in the troposphere the air temperature: 4Iaros about 6.5E ,. wika fop tie +i ...'102811 J. an —Vara 1JJ 1rit!I nrb) type ot weamer elements measured c) temperature scale used d) measuring technique used 8. The earth emits terrestrial radiation -a) only at night-. y over the continents 9. Most water vapor comes from: a) rivcri and .ifiHs c)falling rain and 3n0-w -d) rcpfrationfron living organism he-&be- 10. On a weather map, a red line with red semi-circles indicates: —&)eodfmrir armfront, if ont 44-time zones 11. is a mechanism of heat transfer. a) conduction b) convection c) radiation all of the above e) none of the a ove 12. Relative humidity: a) is independent of saturation vapor pressure b) is independent of vapor pressure C61 is 00 present for saturat d)...ohaiigoo swamic swami rf•.thc Ji —$-is Qf1ift1 igniian fer metssrlegis 13. During the process of adiabatic cooling, the temperature decreases because the air has a)lost heat to the colder air at higher altitudes viii ) U• a; b)..abot4('ynL. aghr 4-foi-hours fta st before_s 15 According to the Stefan-Boltzmann Law, the amount of energy emitted by an object is proportional to the - power of its temperature in degrees Kelvin. a firstb 1 U U fl IN I QUESTIONS I AND PROBLEMS (NUMBER 01 POINTS FOR EACH SHOWN AS (*)). TO GET FULL MARKS YOU MUST EXPLAIN EACH OF YOUR ANSWERS. WRITE YOUR ANSWERS BELOW THE QUESTIONS 1. (10) Describe an example of each of the following weather instruments, and the weather parameter that they measure: a) Thermometer b) Barometer c) Hygromete -''- STUDENT NAME 2. (12) Describe the carbon dioxide cycle. Identify the sources and sinks. You may use diagrams. KqeWO"ISTIOW40 W-1 .1r1 4g !4i OF O"Miff I Jill 1111:, MkTliiil P446W III, , - -0 $, MAa 7'1' 1 ftA'P *A I Mgt 4 47-4V MOP A JIM' 'Plya W'WA - - __J qr,2IJTSuruU.II rjy - c4k LOOP 4 -.----- p4; kib 3') PNI [ ( V At IçJ1 f - r A3. (14) Snow, sleet, freezing rain, and rain are all examples precipitation associated th-thepasage of a bf p warm front in winter. Describe, with the aid of diagrams, the temperature profile necessary for the production of each type of precipitation. c*4w% ' ,-,, • . ci \ \ 00 Ll 'ZO°. O1, O• ) -.l" o'c. -41 L....J..... ç—,t F... '. . / L ' -'I I 6°i. 2jPc.. ' ______________ • 1•. 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