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by: Jamarcus Ritchie V


Jamarcus Ritchie V
Texas A&M
GPA 3.59

David Cairns

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About this Document

David Cairns
Class Notes
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This 3 page Class Notes was uploaded by Jamarcus Ritchie V on Wednesday October 21, 2015. The Class Notes belongs to GEOG 203 at Texas A&M University taught by David Cairns in Fall. Since its upload, it has received 18 views. For similar materials see /class/225768/geog-203-texas-a-m-university in Geography at Texas A&M University.


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Date Created: 10/21/15
Symbiotic Relationships An arrangement whereby two or more species exist together in an overlapping relationship Mutualism Each organism is benefiting Lichen algae and fungi living together Parasitic Kills host FRO M LECTU RE Water in the atmosphere HUMIDITY amount of moisture in the air warm air holds more water vapor bigger the denominator bigger the capacity less amount of humidity at any temperature there is a saturation point the temperature that air becomes saturated is called dew point temperature specific humidity mass of water vapormass of air Temperature changes To reduce pressure of air move to higher elevation PT PlTl lOOOmb25Cdeg 500mb12Cdeg Lifting air lower pressure decreases temperature PV P1V1 lOOOmb1m3 500mb2m3 Reduce pressure air expands temperature decreases As temperature of air gets colder relative humidity increases when reaches dew point 9 liquid 9 condenses Adiabatic processes Dry adiabatic lapse rate 10 degrees C1000 M DALR A264 a B 164 Dew Point Lapserate 2 degrees C1000M DPLR lf air continues to rise clouds with flat bottom will occur LCL Moist Adiabatic Lapse Rate MALR 6 degrees C1000 M Atmospheric Lifting Mechanisms Orographic Lifting over a mountain Convectional Lifting rises quickly then rains Frontal Lifting AIR MASSES Moisture Maritime WET mT wet warm Continental DRY cP dry cold Temperature Tropical WARM Polar COLD Air Masses Large regional amount of air with homogeneous characteristics Moisture M or C Maritime over water moist Continental over land dry Temperature A P T E AA Arctic frigid Polar cold Tropical warm Equitorial hot Antarctic frigid A FRONT is a boundary between two air masses CLIMATE Long term regional average Conditions of weather quotWeatherquot is day to day Classification Is the process of ordering or grouping data or phenomena into interrelated categories Koppen System Needed data Average monthly temperature Average monthly total precipitation Total annual precipitation Three levels of classification 1 climate categories by latitude A tropical near equator 8 occur in particular latitudes ARID dry deserts leeward side of mountains 30 degrees NS C mesothermal college station D microthermal Minnesota northern lier of states cold E polar very far noth frigid H highland exception different associated with mountains 2 A C D f adequate rainfall all year w winter dry season s summer dry season W desert most extreme desert conditions S semiarid steppe F most extreme perpetual snow and ice T tundra landscape 3 Seasonal temperature climate routes 151 2 levels of classification pace on map Biogeography Species individuals Population made up of individuals Community consists of populations Ecosystems include abiotic and biotic elements Biome large regional ecosystems Ecosphere everything on one planet BIOMES 1 Tropical Rainforest near equator Big trees lots of leaves Green not good soil Dark because of all the leaves More like a desert at the top Tropical summer rain savannas dry and fires elephants Subtropical desert amp semi desert Sclerophyllous vegetation of regions with winter rain Mediterranean Warm temperature mixed deciduous coniferous forests dark green and light green Deciduous forest sheds leaves seasonally Steppes and prairies central Texas dry shrubs and very small trees Deserts novery few plants leeward side of mountains Boreal forests big belt across continent huge vegetation type in north hemisphere cold tolerant plants needle leaf 10 Tundra northern Canada very short statured plants EDOO pifJ39lprN Boundary zones between two different biomes ecotone


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