Chapter 1

6 Pages
Unlock Document

Environmental Science
Jovan Stefanovic

Chapter 1 Introduction to Natural Hazards IntroductionHaiti Earthquake several things made this earthquake different from most historic quakes of similar magnitude o Occurred in a heavily populated area o Buildings in the affected area were not construced to withstade stron seismic shaking o Resources were not available to all HaitiansWha are the lessons of the Haiti earthquake o We must design buildings to meet the highest seismi standards o Must continue to provide adequate research funding to scientists o Communication is important and people living close to faults must know what to do in the event of an earthquake o Also wealthy countries must help poorer regions prepare for earthquakes and other natural disasters instead of just responding Why Studying Natural Hazards Is Important 11Western NA are prone to earthquakes and landslides and experience rare volcanic eruptions the Pacific is vulenrable to tsunami the Atlantic and Gulf of Mexioc Coast are threatened by Hurricanes forested ares of the continent are prone to wildfires the midcontinent from Texas to Ontario is at risk from tornadoes and blizzards and drought and floodin can occur almost anywhere no area is hazardfreeHazardous Natural Processes and Energy Sources Processes volcanic eruptions earthquakes etc are driven by energy and this enery is derived from three sources o First source of enery is Earths internal heat which produces slow convection in the mantle earthquakes and volcanoesMost earthquakes and active volcanoes occur at boundaires between tectonic plates which are large blocks of Earths crust o Second source of enery is the sunHazardous processes such as violent stors floods drought and costal erosion o Gravitational attraction of EarthRocks soils and snow on mountainslides and the water that falls as precipitation move downslpeProcesses became hazardous only when they threaten human beingsHazard any natural processes that threatens human life or propertyRisk is the probability that a particulardestructive event will occur multipled by the events likely impact on people and property
More Less

Related notes for EESB18H3

Log In


Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.