GEOG220 Lecture Notes - Lecture 4: Greenwich Mean Time, Solar Time
21 Mar 2017
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Document Summary
Infrared satellite image: white blob , doppler radar map, surface weather map, computer model forecast, colors show precipitation, darker colors (blues and green) = colder temperatures. Greenwich mean time (z-time: mean of solar time at greenwich, england near london which, as described at. International meridian congress of 1884: assigned 0 degrees longitude (prime meridian, when expressed in terms of 24 hour clock gmt is called universal time (ut or z. Z time examples: 12 noon in greenwich england = 7am in nyc, 00 z in greenwich = 8 pm, 17z in edt= 1pm, 17-4=13, 1300 hrs is 1:00 pm. Chapter 1: sun is the energy source for the atmosphere, everything we discuss is a result of the energy our atmosphere oceans and land surface receive from the sun. Sun facts: 99. 8 total mass, can fit 1. 3 million earths, surface temp, temp= 6 thousand celsius, hydrogen constantly being fused into helium resulting in a huge release of energy.
