UGA GEOL 4220 - Exam 1 Study Guide (15 pages)

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Exam 1 Study Guide



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Exam 1 Study Guide

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Study guide for Exam 1. Hydrogeology


Pages:
15
Type:
Study Guide
School:
University of Georgia
Course:
Geol 4220 - Hydrogeology
Hydrogeology Documents

Unformatted text preview:

GEOL 4220 Exam 1 Study Guide Lecture 1 Climate and Precipitation 1 Wind a Coriolis effect bends the direction of the wind b Doldrums air rising from the equator that moves north c Westerlies if you face the west the wind is blowing at you i Not the direction of the wind per say d Winds take form temperature humidity of the land they are passing over 2 Snow a Snow forms to climate as well as winds i Snow can be dry wet etc 3 Storms a Convectional warm air rising cool air falling i Creates thunderstorms b Frontal cold air going over warm air OR warm air going under cold air i Can tell difference by the types of clouds 1 Warm air over cold air creates storms and come quickly resulting in increased precipitation c Orographic masses of air pushed up by wind are forced up the side of mountains i Think sea to mountain storms Moist air on sea side dry air on other side of mountain ii Create rain shadows d Base of mountains have half the rainfall then top of mountains e What is the phenomena where air is lifted i Orographic 4 Humidity a There is 100 humidity if the maximum amount of water is held in the atmosphere i In GA humidity is almost always 100 creating dew b As air warms humidity decreases because air can hold more water 5 Precipitation a How much do we measure precipitation i Depends on the type of measuring source used Can be measured daily and hourly b What is a storm i A storm forms in response to an extreme difference in air pressure driven by the movement of warm and cold air c How much can it really rain i Extreme rainfall can occur but is often an outlier to the average annual precipitation d What is meant by a 100 year storm i Find max rainfall for each storm on an annual basis Rank the biggest storms based on probability biggest has 1 100 Find the return period by flipping the fraction 100 1 This equals the probability of a 100 year storm ii Water year starts Sep first and ends Oct 31st tend not to have storms that cross that time period 6 Data Sources for



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