GY101 Latitude and Sun Angles
GY101 Latitude and Sun Angles GY101
Popular in Geography
Popular in Art
This 2 page Class Notes was uploaded by Michelle Azar on Saturday August 29, 2015. The Class Notes belongs to GY101 at University of Alabama - Tuscaloosa taught by Jason C. Senkbeil in Summer 2015. Since its upload, it has received 24 views. For similar materials see Geography in Art at University of Alabama - Tuscaloosa.
Reviews for GY101 Latitude and Sun Angles
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: 08/29/15
GY101 8241582620158282015 Latitude 1 Affects the amount of isolation received at Earths Surface 2 47 Degrees Latitude a our latitude is 33 degrees north we do not get direct sun rays 3 80 degrees is the highest sun angle we can get here 4 most control over climate 5 we are on the northern edge of the subtropics a 3 seasons hot cool and comfortable Perihelion vs Aphelion 1 Aphelion July 4th 2 Perihelion January 3rd Milankovitch Cycles 1 Accounts for periodic glaciation of Earth 2 On a 100000 year cycle our orbit shifts from more elliptical to less elliptical a Currently on less elliptical cycle SUN ANGLES 1 Impact amount of isolation 2 Daylight hours a Seasonal b AprilSeptember i Lowsun c Octobermarch i highsun 3 Solar declination a Latitude where sun is directly overhead 90degrees i Sub solar point 4 Zenith angle Sun angle 90 degrees 5 Step 1determine declination of sun for that date 6 Step 2 nd noon sun angle a Difference in degrees between locations latitude and SS point then subtract 90 7 So a What is tuscaloosas sun angle on june 21 8 The analemma a How we nd where the direct rays of the sun are and the noon sun angle i Today the declination of the sun is 11 degrees north ii 3311 22 iii 902268 iv 33942 v 904248 so the sun angle on February 5th is 48 degrees in tuscaloosa Solar intensity 1 intensity Sin A a sinsine b A sun angle 2 90 100 intensity 3 80 98 4 4571 5 2034 6 On the june solstice who is getting more intense solar radiation Us or equator Us lnsolation by latitude 1 lnsolation de nition interected solar radiation 2 We get more solar radiation but 9060 degree locations get more total radiation during the june solstice Those locations get more prolonged sunlight Atmospheric composition Major components of the troposphere 1 Oxygen 20946 2 Nitrogen 78084 a Nitrogen cycle b Makes up majority of atmosphere 3 Carbon Dioxide 0036 4 Argon 934 5 Small percent of trace gases ln earths history are we currently at the highest co2 levels it has ever been FALSE
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'