lect 18 - 2) Second letter * for 1st letters A, C, D ----...

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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 ; plant associations are limited by certain Temp & precip. Regimes * 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
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Unformatted text preview: 2) Second letter * for 1st letters A, C, D ---- seasonality of precipitation f = no distinct dry or wet season, m = monsoon s = dry summer, w = dry winter * for 1st letter B ---- severity of drought ( upper case S or W) S = semi-arid, W = arid * for 1st letter E -- severity of cold ( upper case F or T) T = tundra, F = ice cap 3) Third letter * for 1st letter A & E -- none * for 1st letter B, C, D -- warmest or coldest T° • Lower case a,b,c, or d for C&D climates • Lower case h or k for B climates CLIMOGRAPHS ** also known as climate diagrams * a graphical representation of a locations avg. monthly T° & precip. for each month of the year * reveals Temp range, highs and lows, seasonality * reveals precipitation seasonality, highs and lows * usually includes the locations latitude and longitude, sometimes the climate type & elevation...
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This note was uploaded on 10/07/2011 for the course GEOG 1111 taught by Professor Hopkins during the Fall '08 term at UGA.

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lect 18 - 2) Second letter * for 1st letters A, C, D ----...

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