Basics of Environmental Science

24 / Basics of Environmental Science Surtsey. As it cooled, sea birds began to settle on it.^3 They carried plant seeds and slow ...

Earth Sciences / 25 The British landscape was formed by a series of orogenies. The first, at a time when Scotland was still join ...

26 / Basics of Environmental Science Sandstones are perhaps the most familiar sedimentary rocks, consisting mainly of sand grain ...

Earth Sciences / 27 The extreme conditions produced by the folding and shearing of rock can alter its basic structure by causing ...

28 / Basics of Environmental Science ago, when what is now Devon was a hot, arid desert. The desert sand contained some iron, wh ...

Earth Sciences / 29 which are separated from the rock industrially by washing and precipitation, leaving a residue of quartz gra ...

30 / Basics of Environmental Science Laterization does not necessarily render a soil useless and many relatively laterized soils ...

Earth Sciences / 31 In winter the water expanded as it froze, widening the crevices, and in summer the water shrank as it melted ...

32 / Basics of Environmental Science Ice accumulating in a pre-existing hollow will erode the sides to the open-sided, approxima ...

Earth Sciences / 33 when land is raised by tectonic movements. In a young landscape hills slope steeply and the slope of river b ...

34 / Basics of Environmental Science illustrates six of the commonest patterns, but others are possible and real patterns are se ...

Earth Sciences / 35 stones, producing a beach material with a relatively high calcium carbonate content; this was formerly used ...

36 / Basics of Environmental Science (CLARK, 1977, p. 6). In sheltered areas, plants rooted in the mud trap further sediment. In ...

Earth Sciences / 37 a result of what may be a general climatic warming. Many climatologists predict that such a warming is likel ...

38 / Basics of Environmental Science Radiant heat and light are both forms of electromagnetic radiation, varying only in their w ...

Earth Sciences / 39 Figure 2.10 Average amount of solar radiation reaching the ground surface, in kcal cm -2^ yr -1^ (1 kcal=418 ...

40 / Basics of Environmental Science sky colour by counteracting the effect of Rayleigh scattering; it makes the sky a darker bl ...

Earth Sciences / 41 Fast-growing crops, harvested to be burned, are being cultivated in several parts of the world as ‘biomass’ ...

42 / Basics of Environmental Science turbines, occupying 6000 ha, are needed to match the output of a large conventional power s ...

Earth Sciences / 43 About 70 per cent of the Earth’s surface is covered by water. Its albedo varies according to the angle at wh ...