. Plant habits and habitats in the arid portions of South Australia. Plant ecology; Botany; Desert plants. 14 PLANT HABITS AND HABITATS IN THE. Fig. 56.—Mean rainfall of Australia for October, after Hunt. Evaporation. A relatively high rate of evaporation is one of the most striking features of the Australian climate taken as a whole (table 4 and fig. 8a). In a large portion of the continent it exceeds the rainfall, and in certain regions, as indicated by table 3, the difference between evaporation and rainfall may be very great. Moreover, in a fairly large area the annual evaporation is relat
. Plant habits and habitats in the arid portions of South Australia. Plant ecology; Botany; Desert plants. 14 PLANT HABITS AND HABITATS IN THE. Fig. 56.—Mean rainfall of Australia for October, after Hunt. Evaporation. A relatively high rate of evaporation is one of the most striking features of the Australian climate taken as a whole (table 4 and fig. 8a). In a large portion of the continent it exceeds the rainfall, and in certain regions, as indicated by table 3, the difference between evaporation and rainfall may be very great. Moreover, in a fairly large area the annual evaporation is relatively and actually high. Thus in about 40 per cent of the continent the total evaporation is 100 inches or more annually. Since there is a direct relation between the rate of evaporation and the temperature of the air, as well as with other climatic factors, such as relative humidity and rainfall, it follows that there is a regular course run by it during the year. This feature is shown in figure 6. It will be observed that in regions of winter rainfall the course of the monthly evaporation amount is fairly consistently opposed to that of the rain- fall, but that in regions within the zone of summer rains, as at Brisbane, there is more or less coincidence between the course of the two climatic elements. Table 4 is a detailed summary of the mean monthly and annual evaporation amounts, as well as the highest and the lowest means, for 4 Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Cannon, William Austin, 1870-. Washington, Carnegie Institution of Washington
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