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Week 1 & 2 Notes

by: Nnenne Asi

Week 1 & 2 Notes 10779

Nnenne Asi

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About this Document

These notes cover the first two weeks of Earth Science. NTK means need to know for the test
Intro to Earth Science
Dr. Mary Brown
Class Notes
Earth Sceince
25 ?




Popular in Intro to Earth Science

Popular in Geology

This 3 page Class Notes was uploaded by Nnenne Asi on Friday January 22, 2016. The Class Notes belongs to 10779 at University of North Carolina - Greensboro taught by Dr. Mary Brown in Winter 2016. Since its upload, it has received 42 views. For similar materials see Intro to Earth Science in Geology at University of North Carolina - Greensboro.


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Date Created: 01/22/16
Intro to Earth Sceince: * along with the powerpoint Axis is the angle the earth rotates at. Always at the 23 degrees. The tilt tis where the seasons come from. Terms: Declination, revolution, tropic of cancer 23.5 tropic of Capricorn 23.5 Cancer-----Equator-----Capricorn Equinox when the suns direct radiation at the equator Soltice when sun comes in the cancer Winter equinox tropis Capricorn -23 Everywhere on the planet has 12 hours of daylight and 12 hours of night Radiation can be turned into heat, and can be seen as heat Everything has to act this way: 1 &4 are the main imp. ( but all of them are imp) 1 all object (everything) emits radiation 2 hotter objects radiate more energy 3 the hotter the shorter 4 good absorver, good emitter ( the earth is an amazing absorner making it an amazing emitter) 3 ways to transfer heat (overriding rule is heat always goes to cold) ( you burn when you rouch the pot 1 radiation 2 Conduction: molecular movement in the pot hot fast and moving 3 Convection: mass movement Hot rises ---- cold sinks Two types of radiation: Solar and terrestrial Half of it makes it to the surface of the earth, the other half is split up. Reflection: being reflected back out Abosrption Scattering: scattered in different places Why deosnt the artic get really hot? And why doesn’t the ice melt? Because of reflection ( albedo) Great absorber , great emmiter Warm up during the day cool down at night Heat rises cold to the bottom This is the concept: The length changes when the heath goes in to the Earth The earths rotation creates wind Heat rise cold sinks The warm air goes to the equator 2 most abundant gases in the atmosphere are nitrogen and oxygen 78 and 21 Which one has the largest volume Water vapor are just clouds 3 major gases: Carbon dioxed Ozone Water vapor Why are they considered major? BECAUSE THEY ABSORB HEAT Term: Aresol: liquid or solid particle -- Mixture of gasses, all in a constant amount Where they start to differ is when you have additional gasses NTK: Nitrogen is the big gun between nitrogen and oxygen! We have constant gases but then they are variable in different places. The aerosol is dust Variabe gasses, sometimes more, sometimes less ***********************************Watch the inconvenient truth Water vapor absorbs heat and the cloubs block it. Cloud can sometimes block radiation trying to come and leave. Ozone is good because it’s the ONLY thing that proctects us from the UV radiation. When the cholrine comes up it anialates 100000 molucules in the OZone NTK: troposphere & stratosphere locations and information ALL WEATHER TAKES PLACE IN THE Troposphere . Weather is the stuff that takes place all the time WEATHER CHANGES OFTEN, CLIMATE DOES NOT -- what happens to somethings temperature when it compress, it heats up WHY? If were to ask about the one true temp scale, it would be the Kelvins scale, (absolute zero) How do you heat the gasses up? You compress them All the gasses at the surface are compressed IF YOU WANT TI TO COOL DOWN, they expand Solid: loweste state of energy Gas: highest stae of energy Exam: : “this process req 680 calories to be absorbed to get to another state ANSWER : sublimation NEED TO KNOW PROCESSES The darker the cloud the more water vapor it has Stable: resist verticle movement


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