GEO 211 1st Edition Lecture 9 Outline of Last Lecture I Solar Particles and Aurora II Chapter 3 Earth and Sun Relationships A Why do we have seasons B Physical factors causing seasonal variations 1 Earth s revolution 2 Earth s rotation 3 Earth s angle of inclination 4 Earth s axis orientation 5 Earth s sphericity C Earth s revolution a Perihelon b Taphelion D Earth s rotation E Earth s angle of inclination F Earth s axis orientation G Earth s sphericity a Polaris H Solstice Conditions Outline of Current Lecture III Chapter 3 continued A December 21 22 Noon strikes perpendicular at 23 1 2 S o Tropic of Capricorn o Winter solstice 1st day of winter in Northern Hemisphere but 1st day of summer in the Southern Hemisphere Every location in Southern Hemisphere is experiencing its longest length of daylight and highest sun angle o Opposite is true for the Northern Hemisphere These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute Length of daylight gets longer going south until Antarctic Circle 66 1 2 S is reached where daylight is 24 hours no darkness o Opposite is true for the Northern Hemisphere D Equinox conditions equal length of day night a March 20 21 noon sun strikes perpendicular at equator o 1st official day of spring vernal spring equinox b September 22 23 noon sun strikes perpendicular at the equator o 1st official day of fall autumnal fall equinox IV Air Temperature Data A How it is recorded Daily mean Daily diurnal range Monthly mean Annual mean Annual range A Daily mean B Daily range C Monthly mean D Annual mean E Annual range Current Lecture III Chapter 3 continued Every location in North Hemisphere is experiencing its longest length of sunlight and highest sun angle o Opposite is true for Southern Hemisphere Length of daylight gets longer going North until arctic circle 66 1 2 N is reached where daylight is 24 hours no darkness o Opposite is true for Southern Hemisphere A December 21 22 Noon strikes perpendicular at 23 1 2 S o Tropic of Capricorn o Winter solstice 1st day of winter in Northern Hemisphere but 1st day of summer in the Southern Hemisphere Every location in Southern Hemisphere is experiencing its longest length of daylight and highest sun angle o Opposite is true for the Northern Hemisphere Length of daylight gets longer going south until Antarctic Circle 66 1 2 S is reached where daylight is 24 hours no darkness o Opposite is true for the Northern Hemisphere D Equinox conditions equal length of day night a March 20 21 noon sun strikes perpendicular at equator o 1st official day of spring vernal spring equinox b September 22 23 noon sun strikes perpendicular at the equator o 1st official day of fall autumnal fall equinox Every location on Earth has 12 hours of daylight and 12 hours of darkness Both hemispheres receive equal amounts of solar energy IV Air Temperature Data A How it is recorded Daily mean Daily diurnal range Monthly mean Annual mean Annual range A Daily mean Average of 24 hourly readings or average of daily maximum and daily minimum B Daily range Daily max daily min C Monthly mean Average of daily means of that month D Annual mean Average of 12 monthly means E Annual range Warmest monthly mean coldest monthly mean o Ex July mean January mean Isotherms shows distribution of temperature line on a map connecting points of equal temperatures
View Full Document
Unlocking...