World at Risk 0.0 / 5 ? GeographyWorld at RiskASEdexcel Created by: NatashaLittlewood0810Created on: 11-05-14 12:19 What causes tropical cyclones? Sea surface temperature above 26 degrees 1 of 35 What causes La Nina? Below average sea surface temperature 2 of 35 What causes El Nino? Above average sea surface temperature 3 of 35 What causes anticyclones? Droughts 4 of 35 What causes ENSO? El Nino/La Nina 5 of 35 What causes local coastal flooding? Storm surges 6 of 35 What causes landslides? Intensive rainfall events 7 of 35 What causes rising sea level? Global warming 8 of 35 In Sahel, prolonged periods of droughts have caused what over 40 years? Population decline 9 of 35 How many people have died from drought disasters in Africa since 1970? More than 1 million people 10 of 35 What's caused long-term global climate change? Changes in the tilt of the Earth's axis 11 of 35 What's caused short-term global climate change? Changes in ocean currents 12 of 35 What's the present-day concentration of CO2 in the atmosphere? 390ppm 13 of 35 What do greenhouse gases in the atmosphere absorb? Long-wave terrestrial radiation 14 of 35 How could you mitigate volcanic eruptions? Monitoring gases, gravity and ground inflation 15 of 35 How could you mitigate Tropical cyclones? Satellite imaging, Storm shelters and Sea walls 16 of 35 How could you mitigate River flooding? Dams, Land-use zoning and reafforestation 17 of 35 Describe Destructive plate boundaries Subduction, ocean trenches, explosive eruptions and plate convergence 18 of 35 Describe Constructive plate boundaries Plate divergence, rift valleys, mid-ocean ridges and effusive explosions 19 of 35 Describe Conservative plate boundaries Plate shearing, and absence of volcanoes 20 of 35 How much did average global temperatures increase by between 1992 and 2010? 0.4 degrees 21 of 35 How much radiation do greenhouse gases absorb? 95% 22 of 35 What does global warming cause in the arctic? Seals can't have babies, more CO2 released, insects + pathogens spread plant disease 23 of 35 How much could Africas crop yield fall by in 2080? 16% 24 of 35 How's in the Kyoto protocol? UK, Denmark, Netherlands and France 25 of 35 Who's withdrawn from the Kyoto Protocol? Canada and USA 26 of 35 Who's exempt from the Kyoto Protocol? India, Indonesia, Brazil and China 27 of 35 What type of rise in sea level will global warming cause? Eustatic 28 of 35 How much could the world's galciers stored water rise sea level by? 65% 29 of 35 How many people living within 1 metre above present sea level are at risk? 1 million 30 of 35 What are international strategies used to tackle climate change? Kyoto Protocol, Cap and trade, and Green Climate Fund 31 of 35 What are national strategies used to tackle climate change? Carbon taxes, carbon capture and clearer renewable energy sources 32 of 35 What are local strategies used to tackle climate change? Congestion charge, waster recycling, low emission zones and energy conservation 33 of 35 How can we adapt to climate change? Replace pavements and tarmac with permeable materials, introduce drought-resistant crops 34 of 35 What's the UK per capita carbon emissions/year? 7.5 35 of 35
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