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Geology and Human affairs 1014 week 6

by: Ann McCarty

Geology and Human affairs 1014 week 6 GEOL 1014 - 0-61920

Marketplace > Oklahoma State University > Geology > GEOL 1014 - 0-61920 > Geology and Human affairs 1014 week 6
Ann McCarty
OK State
GPA 3.6

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These notes cover chapter 5 though some of chapter 9. concepts include natural hazards, disasters, Magnitude, and Frequency, Risk, Human responses. Population increase. Tsunami, Volcanoes, Volcanis...
Geology and Human Affairs Lecture
Priyank Jaiswal
Class Notes
natual, Hazards, disasters, magnitude, frequency, Risk, Human, responces, population, increase, Tsunami, Volcanoe, magma, lava, gradient, river, erosion, floodplain, levee, point, bars, island, alluvial, fan, Delta, Affairs, 1014
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This 5 page Class Notes was uploaded by Ann McCarty on Monday September 26, 2016. The Class Notes belongs to GEOL 1014 - 0-61920 at Oklahoma State University taught by Priyank Jaiswal in Fall 2016. Since its upload, it has received 8 views. For similar materials see Geology and Human Affairs Lecture in Geology at Oklahoma State University.

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Date Created: 09/26/16
Reading Notes Chapter 5-8. Geology 1014 Chapter 5: Intro to Natural Hazards - Hazards, Disasters, and Natural Processes. - - overall, natural Disasters are increasing. - - Natural Disasters: loss of life and property Damages - - includes: social impacts, loss of employment, mental anguish and reduce productivity. - - Why natural processes are sometimes hazardous. - - land use change is one of the hazardous elements that humans contribute to. - - Magnitude and Frequency - - how much and how fast the energy is present. - - Benefits of Natural Disasters. - - The very things that take lives and cause damage also renews the earth. - - earthquakes are can be responsible for mountain growth. - - Death and Damage Caused by Natural Hazards. - - the hazards that cause death, are not what causes building damage. - - how natural disasters effect the things around them, change over time. - Evaluating Hazards: History, Linkages, Disaster Prediction, and Risk Assessment - - Fundamental Principles Concerning Natural Hazards - - it is important to remember that hazards are linked. - - Role of History in Understanding Hazards - - there is always a risk for hazards no matter how small the likely hood. - - however, looking at the land and how they interact helps with how they are formed and risk analysis is also obtained from looking at previous events. - - Linkages Between Hazardous Events - - Disaster Forecast, Prediction, and Warning - - Location is important due to where ppl are living. - - Probability of Occurrence - - Precursor Events: things that happen before Hazardous events that give us incite to them happening. This helps save lives. - - forecast: in percent’s or chances - - prediction: can be tricky bc they can be false, on no ones fault or account. Predictions can help as much as they can hurt. - - Risk: - - Determination: probability. - - what is acceptable risk: amount of risk that individual is willing to take. - - problems and opportunities: most of the time, there is not enough info to do what needs to be done. - The human Response to Hazards - - reactive Response: impact of and Recovery from disasters. - - When recovering from a disaster, it is good to rethink/ plan for better land use. Reading Notes Chapter 5-8. Geology 1014 - - Anticipatory Resopnse: Perceiving, Avoiding, and Adjusting to Hazards. - - Insurance: one way for ppl to handle natural disasters. - - However, it is common now that many insurance companies will not cover certain natural disasters in high chance areas. - - Disaster preparedness - - Artificial Control of Natural Processes. - Global Climate and Hazards - - the water warming and rising plays a big part of this. - - in general, natural disasters are increasing. - Population increase, land use change and Natural hazards. - - Population increase and Hazardous events. - - land use change and hazardous events - - we need to be more mindful of what we are dong to the earth , so as to not kill ourselves off faster than necessary. 9.19.16 Chapter 7 Class Notes Education - You know it is bound to happen due to location - Make sure you know what to do, regardless of where you live. - don't do stupid things. - Watch v. warning. - Tsunami is possible waves have been detected and are coming to land. Tsunami Ready Status - Steps to classify as an aware/ Prepared area - - make sure that your plans work - - prepare for the chance that event can happen. - - What causes most deaths is usually panic. Adjustment to Tsunami Hazards - If coast line recedes quickly and farther than normal: RUN to higher ground. Critical Thinking Topics - Sustainability: tsunami - - educated, land use, return sewer, buildings and oceans back to the way they were. 7.01: B, 7.02: A, 7.03: D, 7.04: C, 7.05: C, 7.06: C, 7.07: B, 7.08: D, 7.09: A, 7.10: C Chapter 8: Case History: - Japan in 1991 - Pompeii: is the most famous volcano eruption. Reading Notes Chapter 5-8. Geology 1014 Intro: - Table 8.1 - Seattle is near a volcano - Volcano Hazards Volcanism - Generally located near plate boundaries mostly around Ring of Fire. - Figure 8.4 How magma forms - Stuff that is in volcanoes, the liquid part - Adding pas = pressure building up - Figure 2.5 - Gas causes eruption. 9.21.16 When sand is shaken well enough, it becomes liquid. Volcano Types - Need to classify in order to have correct info - Viscus: how difficult it is for something to flow. - Full of gas, expands, top comes off, explosion. - Quite flow V. violent explosion - - related to amnt of gas. - - shield: basaltic - - composite volcanoes: Andesite - - volcanic domes: rhyolite. - - cinder cones: Basalt - Table 8.2 Volcanic Origin - Magma decides shape of volcano - Figure 8.11 Volcanic Features Volcanic Impact Risk - Pahoehoe - Aa Lava - Pyroclastic flow: - Poisonous gasses: comes down to earth in acid rain. - Figure 8.22 a&b - Debris an dMudflow Case Study - Mt. Pinatubo: - Figure 8.26 Reading Notes Chapter 5-8. Geology 1014 - Mt. St. Helens Forecasting Volcano Activity Volcanic Warning/ Alert Public Perception And Adjustment Applied and Critical thinking - We need to teach kids to be aware of warning signs of the natural hazards that pertain to the natural disasters prone in their area. 9. 23.16 8.01: C, 8.02: A, 8.03: B, 8.04: D, 8.05: A, 8.06: B, 8.07: B, 8.08: A, 8.09: C, 8.10: D - Hazard= damage of some type Chapter 9: Case History: - Pakistan floods of 2010 - Recent: Louisiana: to much rain flow - Construction and absorption. - Figure 9.2a Rivers: Historical Use Streams and Rivers - Figure 9.5a Sediment in Rivers - Competence v. capacity - Size particles amount River Dynamic Characteristics - Q= W(D)((V) - Gradient - Stream Velocity River Erosion River Erosion Effectiveness River Sediment Reposition - Features: - - flood plain - - nature level - - pt bar - - island bar - Alluvial fan Reading Notes Chapter 5-8. Geology 1014 - Delta


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