Week 6 Physical Geography 107 Lecture Notes
Week 6 Physical Geography 107 Lecture Notes 107
Popular in Physical Geography
Popular in Geography
verified elite notetaker
This 2 page Class Notes was uploaded by Devonee Shearer on Tuesday September 29, 2015. The Class Notes belongs to 107 at West Virginia University taught by Timothy A Warner (P) in Fall 2015. Since its upload, it has received 176 views. For similar materials see Physical Geography in Geography at West Virginia University.
Reviews for Week 6 Physical Geography 107 Lecture Notes
- Roberto Alongi
Report this Material
What is Karma?
Karma is the currency of StudySoup.
You can buy or earn more Karma at anytime and redeem it for class notes, study guides, flashcards, and more!
Date Created: 09/29/15
Geography 107 92215 Chapter 5 Air Pressure and Wind Topics 0 Can drop lowest test grade if you take nal 0 Heating Differences cause 0 Atmosphere pressure differences cause Winds Brighter colors stronger winds US Wind Patterns 0 1961 Balloon Flight 0 113721 feet 0 Prather and Ross 0 El Tatio Geysers Chile 1400039 Pressure declines rapidly w altitude Air pressure force that air exerts o 147 lbs per sq in approx 1 bar 0 1000 milibars 1 bar 0 Measured w a barometer A device for measuring air pressure 0 Pressure map 0 Contours in milibars 0 Look at pic on phone 0 lsobar pressure isopleth line of equal pressure 0 Wind and Pressure Gradient 0 Wind air in motion 0 Responding to a pressure gradient De ned by isobars Close together steep Far apart gentle 0 Wind will want to blow from high pressure to low pressure Winds 0 Carry moisture and heat 0 We label winds by direction the come from West wind comes from west going to east East wind comes from east going to west 0 Winds 3 dimensional movement Warm air rises low pressure Cold air sinks high pressure Land and Sea Breezes Check pic on phone 0 Sea breeze daily wind from the ocean to the land responding to the land water temp contrast 0 Land breeze night reverse ow 0 These local winds only occur in the absence of strong regional weather systems Air moves high pressure gt low pressure BUT modi ed by 0 Friction Caused by surface of earth ie Strongest near Earth39s surface 0 Coriolis Effect Moves in an unexpected direction gt starts at pole ends at equator Fig 513 The apparent deviation of the air relative to the pressure gradient force 0 Relative to that gradient the deviation is to the right in the N Hemisphere o Opposite in S Hemisphere Strongest at poles weakest at equator Balance of Forces on Surface Air Surface Wind N Hemisphere Note Surface wind 45 deg to the right of pressure gradient force Wind blowing at angle to the isobars Fig 514 Mid latitude Regional Winds Cyclones and Anticyclones 0 Fig 515 Spiral air movement 0 Pic on phone 0 N Hemisphere Cyclones Low pressure Counterclockwise Anticyclones High Pressure Clockwise o S Hemisphere Cyclones Low Pressure Clockwise Anticyclones High Pressure Counterclockwise High and Low Pressure Systems 0 H Pressure S Hemisphere Counter clockwise but still blowing out o L Pressure S Hemisphere Clockwise blowing in
Are you sure you want to buy this material for
You're already Subscribed!
Looks like you've already subscribed to StudySoup, you won't need to purchase another subscription to get this material. To access this material simply click 'View Full Document'