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Final Exam Study Guide: Oceanography Lab

by: TaCaia Thompson

Final Exam Study Guide: Oceanography Lab OEAS 106 Lab

Marketplace > Old Dominion University > Oceanography > OEAS 106 Lab > Final Exam Study Guide Oceanography Lab
TaCaia Thompson
GPA 2.19
Introducation to Oceanography
Dr. Shannon Wells

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About this Document

I worked really hard on this study guide. It is very detailed and very organized. It covers things from equipment used in the lab to solutions used.
Introducation to Oceanography
Dr. Shannon Wells
Study Guide
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This 7 page Study Guide was uploaded by TaCaia Thompson on Saturday August 29, 2015. The Study Guide belongs to OEAS 106 Lab at Old Dominion University taught by Dr. Shannon Wells in Spring 2015. Since its upload, it has received 232 views. For similar materials see Introducation to Oceanography in Oceanography at Old Dominion University.


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Date Created: 08/29/15
Formulas V 2 Distance 139 T Time Wave Length C l W S d 2 e emy ave pee Wave Period Amplitude 2 Wave height 8 Equipment l Wave Tank l Benthic grab Petersen grab In Secchi disk secchi disk In Microscope i CTD 0 Conductivity 0 Temperature 0 Depth Solutions Vocabulary O Ammonia Phosphate Nitrate Silica Rose Bengal Protoslo Surface Depletion Enrichment at depth Longshore Drift Longshore drift consists of the transportation of sediments along a coast at an angle to the shoreline which is dependent on prevailing wind direction swash and backwash This process occurs in the littoral zone and in or close to the surf zone The process is also known as littoral drift longshore current or longshore transport I The consistent movement of sand along a coast at an angle to the shoreline I Dependent on the prevailing direction of the wind I This results in a current that runs parallel to the beach Swash Backwash O Basic Parts of a Wave Crest I Highest portion of the wave Trough I Lowest portion of the wave Wave Height I Crest to trough Wavelength I Crest to crest I Trough to trough SWL Still Water Line I Level that the water would be if there were no waves Amplitude I Vertical distance from the SWL to a crest or trough and is half of the wave height 1139me of Alfljnliamlkr Wm cluugth VIIWL39EI39 Wave Period The length of time require for one wave length to pass a fixed point Wave Speed How fast wave moves Wave LengthWave Period Classification of Waves Deep Water I dL Z 12 05 Intermediate Water I 120 005 lt dL lt 12 05 Shallow Water I dL 3 120 005 Refraction Occurs when a shallow water wave drags on the bottom Causes the waves to bend as they approach shore Causes the waves to break Types of Breakers Spilling Plunging Surging 0 Wave relils Surging breakers ante beach EI beast1 TU HJHEIi GDIiIEI 59 Plunging breakers p E Foam slips down tape Shilling breakers of way ash slope Seasonal wave types Constructive Waves weak backwash beach gets built up by deposited sand material low energy and less frequent summer Destructive Waves strong backwash remove material from the beach more frequent strong high energy waves winter enn mctiue mat wanes strcn swash mush waterls lost tl39relg39u percolation sandis carried Lpthe beach andst a berm relativelyflat and Qertle waues u H dastmetiue Heep wanes some large material fcm39uirga stcm39u heaeh Hg Lsteep waues if h V VII 399 quot 7 wealI swash Two Maj or Groups 0 Phytoplankton Diatoms Dino agellates Holoplankton an organism that is planktonic for its entire lifecycle eX copepods krill Meroplankton an organism that only spends part of its life as plankton usually the larval stage eX some fishes sea stars crustaceans Photosynthesis Nutrients are taken up to produce chemical energy Oxygen is produced Carbon Dioxide is consumed O O O O Respiration Nutrients are released back into the ocean Oxygen is consumed Carbon dioxide is released Zooplankton Unable to produce their own food They survive by feeding on primary producers phytoplankton and smaller zooplankton Food source for many organisms so they link from primary producers to the rest of the food chain Epifaunal vs Infaunal Epifauna live on top of the sediment Infauna live buried in the sediment Infauna are divided into 3 size categories based on mesh size they can pass thru I Macrofauna are larger than 1mm I Meiofauna are between 1 mm and 01 mm I Microfauna are less than 01 mm Four major Phyla Annelida I Most burrow or build tubes in the sediment I Usually very tolerant to temperature and pollution 0 Ringed worms anellus quotlittle ringquot Mollusca I Can be sessile or mobile I Can be epifauna or infauna 0 From mollis soft Echinodermata I Epifaunal I Mobile I Some are very susceptible to water quality I Regeneration of tissue organs limbs 0 Echinos quothedgehogquot 0 Derma quotskin Arthropoda I Mostly epifauna I Mobile 0 cirthmn quotjoint 0 Pous quotfootquot or leg Anti nodesNodes Hnde Hude nde Hude nde i i l i l T Intinuu ell T 0 Sessile vs Mobile Sessile of an organism e g a bamacle fixed in one place immobile Mobile 0 Oceanic Waves Subdivided into two sections Progressive Waves Progressive waves actually progress through the water meaning that they move from their point of origination Energy is transferred in the direction that the wave is moving Standing Waves 39 Standing waves are not progressive but they actually oscillate such that a crest becomes a trough and trough becomes a crest


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