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A Graphic Presentation of Temperatures in the Surface Foot of Soil in Comparison with Air Temperatures
Author(s) -
Hide J. C.
Publication year - 1943
Publication title -
soil science society of america journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.836
H-Index - 168
eISSN - 1435-0661
pISSN - 0361-5995
DOI - 10.2136/sssaj1943.036159950007000c0005x
Subject(s) - presentation (obstetrics) , service (business) , citation , computer science , agriculture , library science , history , business , marketing , archaeology , medicine , radiology
TEMPERATURE is probably the most variable property of surface soil. When temperatures are plotted on the absolute temperature scale (F° + 459.4), daily fluctuations of as high as 12% have been recorded at Manhattan, Kan., and the average daily fluctuation for an approximately normal summer month as represented by July, 1941, is 9%. Since Hall (i)? reports higher surface soil temperatures from both Michigan and New Hampshire than those encountered in this study, it is assumed that these variations are not unusual. Numerous papers on soil temperatures are available, but the daily fluctuations have not usually been emphasized nor has the relationship between the temperatures at different depths of soil and that of the air been clearly presented. Since three dimensional graphs lend themselves readily to presenting this type of information, they have been utilized for the present study.