ENVS 2270 Final: ENVS*2270 Final Exam Review (All course notes and readings condensed!)

• School: University of Guelph
• Department: Environmental Sciences
• Course: ENVS 2270
• Professor: Kim Bolton

Document Summary

Atmospheric circulation: at(cid:373)osphere e(cid:454)te(cid:374)ds ~(cid:1005)(cid:1008)(cid:1009)k(cid:373) a(cid:271)o(cid:448)e earth"s surfa(cid:272)e, troposphere: clouds, weather, highest mountains, jet planes (0-10km, stratosphere: jet planes, ozone layer (10-50km, mesosphere: most meteors burn up (50-85km, thermosphere: satellites, international space station (85-500km, exosphere: (500km+) Global air circulation: winds, temperature, precipitation and storms driven by sun a(cid:374)d earth"s rotatio(cid:374) Solar irradiance: surface heating is greatest in the tropics and least at high latitudes. Temperature gradients drive convection cells: air warms, becomes less dense and rises (and vice versa, air flows from high pressure to low pressure, air rises at equator and sink at poles. Coriolis effect: deflects right in northern hemisphere and left in southern hemisphere, has greatest effe(cid:272)t o(cid:374) (cid:862)o(cid:271)je(cid:272)ts(cid:863) (cid:894)air or (cid:449)ater(cid:895) that (cid:373)o(cid:448)e lo(cid:374)g dista(cid:374)(cid:272)es a(cid:272)ross latitudes. Circulation cells in northern hemisphere: high pressure zones: descending air = clear skies. Low pressure zones: rising air = overcast and lots of precipitation.