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BGSU - Weather and Climate - Study Guide

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BGSU - Weather and Climate - Study Guide

School: Bowling Green State University
Department: Geography
Course: Weather and Climate
Professor: Marius Paulikas
Term: Summer 2015
Tags:
Name: Weather and Climate Final Exam Study Guide
Description: Weather and Climate Final Exam Study Guide. Final Exam on May 5, 2018.
Uploaded: 04/25/2018
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background image Anthony Vellucci FINAL EXAM STUDY GUIDE (CUMULITIVE) UNIT 1 AND 2 MATERIAL
Atmospheric Structure
What are the Permanent and Variable Gases? Which of these are Greenhouse Gases? Permanent Gases – same concentration percentage no matter where we go o Nitrogen 78% o Oxygen 21% Variable Gases – will vary concentration percentage from where we go o Some of the variable gases also correspond to Greenhouse Gases o Greenhouse Gases = Water Vapor, Carbon Dioxide, Methane  How do Greenhouse Gases Interact with the Sun’s Radiation and the Earth’s Infrared Radiation?
Of the 4 Atmospheric Layers, Where is the Ozone Layer Located and What is the Significance of
it? Location o Stratosphere Significance o Ozone layer absorbs some of the higher radiation from the sun Without the ozone layer, skin cancer would increase In Which layer does Most of the World’s Weather Occur? o Troposphere  The Seasons What Causes Seasons? The earth having a 23.5­degree tilt What are the Sun and Zenith Angles? What Do These 2 Angles Always Add Up To? Sun Angle + Zenith Angle = 90 o Zenith Direction – upright orientation perpendicular to earth surface 90 o  at Tropic of Cancer and Tropic of Capricorn  If the Overhead Sun is Located Over the Northern Hemisphere, Would the Days in BG be  Longer or Shorter? Would BG be Experiencing a Warm or Cold Season?
background image Longer or Shorter? o Longer Warm or Cold Season? o Warm The Sun Will Never be Directly Overhead on Earth Beyond Which Lines of Latitude? Tropic of Capricorn and Tropic of Cancer How Much Daylight do the Artic / Antarctic Circles Receive during Winter and Summer? 24 hours and 0 hours Weather Technology What is being Assessed when Viewing: Doppler Radar Imagery: o Sensing in bound air that tells us a greater or lower pitch frequency (higher pitch  = louder/closer, lower pitch = softer/further away); green = inbound; red =  outbound ­ VELOCITY Reflectivity Radar Imagery: o How much energy is being returned; warmer colors = more energy/higher  precipitation intensity; cooler colors = less energy/lower precipitation intensity ­ 
REFLECTIVE
Visible Satellite Imagery: o Satellite imagery based on reflective light patterns o Darker regions (lower albedo) o Bright regions (higher albedo) Albedo = reflective  o Resolution – very good o Will not be visible to us 24 hours Only can see when day light hours  Infrared Satellite Imagery: o Detects radiation emissions at 10­12 micrometer wavelengths o Colder clouds appear brighter objects; longer wave lengths o Darker objects are warmer o Resolution – not as great What can we Infer when we see a Velocity ‘Couplet’ or a ‘Hook’ Echo? ‘Velocity’ Couplet – velocity through inbound and outbound winds (red and green color) ‘Hook’ Echo ­ Tornado
background image What is One Big Limit with Visible Satellite Imagery? Not visible 24 hours o Only can see when daylight hours Frontal Boundaries (Cold / Warm / Occluded / Stationary) Which Air Masses Clash? Maritime = Over Water Continental = Over Land Tropical = Dry Polar = Cold How Do a Dryline and an Occluded Front Develop? Dryline  o Warm moist air mass transition to warm dry air mass o TROPICAL air mass o Dew point temperature changes – sharp drop Occluded Front o First experience cool, moist conditions and then experience cool, dry condition o Surrounded by polar air masses Moisture What Does Relative Humidity Tell Us? How close to saturation the air is What is the Relationship of the Dew Point Temperature Relative to Moisture Content of the Air? Higher dew point temperature, the more water vapor present Dew point temperature tells us as to which the temperature has to cool down to saturate Dew Point – temperature below which water droplets begin to condense; temperature air  needs to cool down to saturate  Dew Point Depression – difference between dew point temperature and temperature  (Temp – Dew Point Temp) Shorter the dew point depression, the higher the relative humidity Dew point higher = more humid air What is Evaporation and Condensation? Evaporation o Water to Vapor

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School: Bowling Green State University
Department: Geography
Course: Weather and Climate
Professor: Marius Paulikas
Term: Summer 2015
Tags:
Name: Weather and Climate Final Exam Study Guide
Description: Weather and Climate Final Exam Study Guide. Final Exam on May 5, 2018.
Uploaded: 04/25/2018
11 Pages 55 Views 44 Unlocks
  • Better Grades Guarantee
  • 24/7 Homework help
  • Notes, Study Guides, Flashcards + More!
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