Scatter-plots of the logarithm (base 2) of the ratio between potential
evaporation and precipitation (abscissa)
and potential evaporation [mm / year] (ordinate)
classified by the generalized vegetation types:
(a) tropical rain forest;
(b) evergreen forest;
(c) needleleaved forest;
(d) deciduous forest;
(e) woodland;
(f) shrubland;
(g) tundra;
(h) grassland;
(i) desert;
(j) ice.
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