Basics of Environmental Science

64 / Basics of Environmental Science North Atlantic gyre and the North Atlantic Drift which is part of it. The warming at the en ...

Earth Sciences / 65 (which states that in an isolated system, such as a parcel of air, the total internal energy of the molecule ...

66 / Basics of Environmental Science Over the continents and oceans, mixing of the air tends to equalize the pressure, temperatu ...

Earth Sciences / 67 Figure 2.22 Formation of cloud at a front. 1, Cold air is advancing rapidly, undercutting warm air and forci ...

68 / Basics of Environmental Science Frontal systems of this general type, interspersed with periods of settled weather as the c ...

Earth Sciences / 69 his native Switzerland and there he might have remained, the most eminent ichthyologist of his generation, w ...

70 / Basics of Environmental Science Figure 2.24 Parts of the Earth covered by ice at some time during the past 2 million years ...

Earth Sciences / 71 Although we usually think of the Pleistocene as the ‘Great Ice Age’, this is misleading. There was not a sin ...

72 / Basics of Environmental Science is roughly equivalent to the North American Wisconsinian. It began about 70000 years ago an ...

Earth Sciences / 73 Land that is now free from permanent ice was glaciated for rather more than half of the Pleistocene. It is r ...

74 / Basics of Environmental Science fossil assemblages can be used to identify particular strata wherever those strata are foun ...

Earth Sciences / 75 irregu-lar process, so a thick layer may have accumulated rapidly, a thin one more slowly, and there is no w ...

76 / Basics of Environmental Science Potassium-40, a radioactive isotope of potassium with a half-life of 1300 million years, al ...

Earth Sciences / 77 we are at perihelion in January. In AD 15000, one half-cycle from now, we will reach perihelion in June. The ...

78 / Basics of Environmental Science These axial variations alter the area illuminated by the Sun. If the axis were at right ang ...

Earth Sciences / 79 activity and climate so close he described it ‘almost that of a key in a lock’, extending to 3000 BC (EDDY, ...

80 / Basics of Environmental Science cooler periods lasting several centuries or a few thousand year. (GROOTES ET AL., 1993). Th ...

Earth Sciences / 81 tions in solar output. Volcanic eruptions can depress surface temperatures and ENSO events enhance them. It ...

82 / Basics of Environmental Science Figure 2.29 World climate types ...

Earth Sciences / 83 of dry climates is defined by aridity. These main types were then subdivided into more detailed categories, ...