GEOG 2050 : Test 2
Document Summary
9/19/2016 7:28:00 pm: the human sphere : evaporation and the great lakes, great lakes water levels are dropping, largely due to increased evaporation, large cargo vessels must take on less. Cohesion and adhesion: water molecules join to other water molecules through cohesion (by means of hydrogen bonds). Creates surface tension: water molecules join to other objects through adhesion. Hydraulic cycle- the movement of water within the atmosphere, biosphere, lithosphere and hydrosphere: hydrolic cycle is solar powered, 85% of water vapor in the atmosphere originates from evaporation from the oceans, 15 % comes from plant transpiration. Density ice is less dense than liquid water-as a result- ice floats. If it were more dense than liquid water it would sink: known as the universal solid. Latent heat-energy is absorbed or released during a change in the state of a substance, such as during evaporation or condensation of water. Evaporation is a cooling process because it absorbs heat form the environment.
