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