. Plant habits and habitats in the arid portions of South Australia. Plant ecology; Botany; Desert plants. 1901 1903 1905 1902 1904 1906 1901 1903 1905 I90Z 1904 190S 1901 1903 IS05 I90Z 19M 1906 Fio. 11.—Graphs showing the annual (total) and "non-effective" rainfall for 1901-1906 at Oodnadatta (a), Copley (b), and Quom (c), South Australia, based on recordf supplied by the Adelaide office of the Commonwealth Bureau of Meteorology. As Taylor graphically shows (1918: Solar control model), the pre- vailing line of the center of high pressures in mid-winter coincides nearly with the nor


. Plant habits and habitats in the arid portions of South Australia. Plant ecology; Botany; Desert plants. 1901 1903 1905 1902 1904 1906 1901 1903 1905 I90Z 1904 190S 1901 1903 IS05 I90Z 19M 1906 Fio. 11.—Graphs showing the annual (total) and "non-effective" rainfall for 1901-1906 at Oodnadatta (a), Copley (b), and Quom (c), South Australia, based on recordf supplied by the Adelaide office of the Commonwealth Bureau of Meteorology. As Taylor graphically shows (1918: Solar control model), the pre- vailing line of the center of high pressures in mid-winter coincides nearly with the northern boundary of South Australia, but in midsum- mer it is far south of the state. The prevaiUng winds in summer, therefore, are from the east, or southeast, and are dryiag winds. But at this time occasional lows from the northern part of the continent may extend far to the south, reaching the northern part of South Australia, bringing rain. In winter, however, the center of highs, as before remarked, crosses the extreme north of the state, the belt of westerlies touches the extreme south, and a belt of variabes lies be- tween. The dry easterlies are now far to the north, and rain occurs in. 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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Keywords: ., bookcentury1900, bookdecade1920, booksubjectbotany, bookyear1921