The Köppen climate classification scheme divides climates into five main climate groups: A (tropical), B (arid), C (temperate), D (continental), and E (polar). The second letter indicates the seasonal precipitation … 查看更多內容

These climates are characterized by the amount of annual precipitation less than a threshold value that approximates the potential evapotranspiration 查看更多內容

These climates have an average temperature above 10 °C (50 °F) in their warmest months, and the coldest month average below 0 °C (or −3 °C (27 °F), as noted … 查看更多內容

Biomass
The Köppen climate classification is based on the empirical relationship between climate and vegetation. This classification provides an efficient way to describe climatic conditions defined by temperature and precipitation … 查看更多內容

Tropical climates are characterized by constant high temperatures (at sea level and low elevations); all 12 months of the year have average temperatures of 18 °C (64.4 °F) or … 查看更多內容

In the Köppen climate system, temperate climates are defined as having an average temperature above 0 °C (32 °F) (or −3 °C (26.6 °F), as noted previously) in their coldest month … 查看更多內容

In the Köppen climate system, polar climates are defined as the warmest temperature of any month being below 10 °C (50 °F). Polar climates are further divided into two types, tundra climates and icecap climates:
ET: Tundra … 查看更多內容