EESA06H3 Lecture 1: Lecture 1
Document Summary
Super city: age of construction, populations more than 20 million, 50 super cities, located in areas of active tectonics. Urban shadow: need to feed major cities with resources exerts an influence on the regions. Greenfield site: use of agriculture land for urban development. Correlated: how rocks are related in time and space. Pangea: all the land, gea = land (rock) Subduction: oceanic rocks pushed down into the continents. Ansidict salt: melting of salt and sea water. Geology: study of what"s happening on present day to a guide to the paste. Oldest layers at the bottom, successive are at the top. Cool rocks are brittle are broken into plates: embedded in plates are continents which are mobile. Continents moved 3. 7 cm horizontal per year: north america moving to the west, atlantic ocean is widening (air fares increasing year to year) No place on the earth"s surface is stable, everything is on the move.
