EARTHSC 2GG3 Lecture Notes - Lecture 11: Lake Huron, Leading Edge, Dew Point

• School: McMaster University
• Department: Earth Sciences
• Course: EARTHSC 2GG3
• Professor: Mark Moscicki

Document Summary

Earth intercepts only a small porion of the sun"s radiaion. Sun"s energy drives the hydrologic cycle and all weather phenomena on earth. Nearly all the energy available to earth"s surface comes from the sun. Remaining % consists of water vapour, co2 and other trace gases. Water vapour in the atmosphere can result in cloud development and formaion of precipitaion. Water vapour comes from evaporaion from the oceans. Ozone layer protects us from the sun"s harmful uv rays, found in the stratosphere. Preix: height of cloud: high cloud: cirro, mid level cloud: alto, low cloud: strato. Clouds that produce precipitaion contain nimb in their name. Force exerted on the earth"s surface by the weight of air molecules. Also called barometric pressure and measured with a barometer. Diferences in pressure at the earth"s surface are what causes the wind to blow. Low pressure: air circulates counter-clockwise and rises: results: clouds, precipitaion. High pressure: air circulates clockwise and sinks: results: clear skies.