A-Level Physical Geography

Question	Answer
What are Jökulhlaups?	A type of catastrophic glacial outburst flood.
What is social vulnerability?	When a household or community is unable to support the disadvantaged people within it.
What type of hazard is flooding?	Geo-morphological
Do hotspots move with the overlying crust?	No
What are hotspots?	An area on Earth over a mantle plume or an area under the crust where magma is hotter than surrounding magma.
Image: Desktop 4d20efdf 3b48 4363 8060 9a3f877b4012 (binary/octet-stream)	Surface Waves L Waves
Who proposed plate tectonic theory and when?	Alfred Wegener in 1915
What is plate tectonic theory?	It states that the Earth's solid outer crust, the lithosphere, is separated into plates that move over the asthenosphere, the molten upper portion of the mantle. Oceanic and continental plates come together, spread apart, and interact at boundaries all over the planet.
How are mega disasters classed?	High impact and low probability
What index considers measures of exposure, susceptibility, coping capacity and adaptive capacity?	World risk index
What word describes the changing of direction of the Earth's magnetic field?	Paleomagnetism

Resource summary

	Created by Will Wotton about 3 years ago