Climatic Classification – Koppen, Thornthwaite & Trewartha YouTube Lecture Handout
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Climatic Classification – Koppen, Thornthwaite & Trewartha YouTube Lecture Handout
Climatic Classification System
Dr. Manishika Jain explains the 3 climatic classification- Koppen, Thornthwaite and Trewartha summarized under empirical, genetic and applied classification.
Koppen Classification
Thornthwaite՚s Classification - 1931
Precipitation Efficiency
Temperature Efficiency
Thornthwaite՚s Classification - 1948
- where is sum of 12 months of , is complex function of , & is mean monthly temperature
- where is deficit & is potential evapotranspiration
- where & is surplus & is potential evapotranspiration
- or
- Simplified 1955 Formula
Trewartha՚s Classification
✍ Manishika