Synopses & Reviews
Synopsis
Excerpt from Some Climatic Features of the Arid Regions: Communicated to the National Irrigation Congress, at Its Fifth Annual Session, Phoenix, Arizona, December 15-17, 1896
Although having served as a member of the Government Depart mental Board On Irrigation during the past year, I feel that my knowledge of the practical application of irrigation to agriculture is too limited to justify me in in'truding my opinions upon the many here assembled who are so much better fitted by experience and edu cation to consider the problem, still I desire to express my sympathy for, and hearty interest in, your noble efforts to claim for. The present generation fruitful dominion over many of the alluvial valleys and plains now unknown to the plow and the reaper, and to transmit to posterity an empire of fertile fields and thrifty homes.
Under the direction of the Honorable Secretary of Agriculture it was my pleasure on September 20, 1895, a few weeks after coming to the head of the Weather Bureau, to issue instructions to the observers of the weather service to begin the telegraphing from observation stations of the readings of the wet-bulb thermometer, more popularly known as the sensible temperature. This is about the temperature felt by animal life and may be many degrees below the air tempera ture, the difference between the two temperatures depending upon the relative humidity of the air - the drier the atmosphere the lower the sensible temperature when compared with the air temperature.
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