Climate Classification an type A and C Climates

Climate Classification an type A and C Climates - Climate...

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Climate Controls ** Latitude ** Land/Water Differences ** Ocean Currents Climatic Variables * done over a 30 or 40 year period to get the averages Mean monthly T° = avg. T° for a month Mean annual T° == avg. T° for a year Mean monthly precip. = total precipitation for the month Mean annual precip. = avg total precip./year Köppen Classification Scheme * developed by Wladimir Köppen, & is the most widely used system ** based on patterns of vegetation ; avg monthly temps and precip (needed for plants) * Köppen system : * 5 principal groups: 4 based on T°, 1 based on precip. 1) First letter T° based ----- A,C,D,E Precip. based ---- B 2) Second letter * for 1st letters A, C, D ---- seasonality of precipitation (lowercase f(rain fall through out the year), m(Monsoon), s (dry summer), or w(dry Winter) * for 1st letter B ---- severity of drought (upper case S Step or W desert) * for 1st letter E -- severity of cold (Upper case F (ice cap) or T (tundra)) 3) Third letter * for 1st letter A & E -- none
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Climate Classification an type A and C Climates - Climate...

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