. Brigham Young University science bulletin. Biology -- Periodicals. Fig. 8. Three-lead distance thermograph located in a standard weather shelter. For additional comparisons herein, Tables 12 and 13 give average monthly values during 1970-72 for potential evaporation and total wind movement, respectively, when recorded for May through October at the Utah Lake weather sta- tion (approximately 25 km northwest of our station) near Lehi, Utah. Table 14 hsts average monthly soil temperatures for 1970-72 recorded Fig. 9. Mercury-filled sensing device located at soil surface on bare ground. 4 in (10


. Brigham Young University science bulletin. Biology -- Periodicals. Fig. 8. Three-lead distance thermograph located in a standard weather shelter. For additional comparisons herein, Tables 12 and 13 give average monthly values during 1970-72 for potential evaporation and total wind movement, respectively, when recorded for May through October at the Utah Lake weather sta- tion (approximately 25 km northwest of our station) near Lehi, Utah. Table 14 hsts average monthly soil temperatures for 1970-72 recorded Fig. 9. Mercury-filled sensing device located at soil surface on bare ground. 4 in (10 cm) beneath barren, sandy-loam soil at Salt Lake City, Utah (Climatological Data, Utah. 1970, 1971, and 1972). Graphical representations for all daily data measured in the study period (except daily cloud cover) are shown in Fig. 12 to 50. Fig. 51 depicts the marked impact of irrigation dur- ing one selected week as reflected in the tem- peratures recorded with the three-lead distance thermograph with sensors located at the three ground sites described above. Fig. 52 and 53 contrast the daily temperatures for two dif- ferent weeks during winter periods with and without snow cover on the ground. The yearly precipitation recorded in this study for 1970, 1971, and 1972 was , , and mm, respectively (Tables 1, 4, and MONTH YEAR METEOROLOGIC DATA PARASITOLOGY B Y U. /"-^ r 1/ i/IONTF YEAR Page 2 TEMPERATURES ® DATE / WEATHER SHELTER , / IRRIGATED / '^ NON-IRRIGATED / v«^ ' /,>?â / THERM / HYGRO / /-^A 7 / 7 7^â / k / / / / / /j^ /MAX/mIN/mAx/mIN/MAX. ^ a* £6 27, £9 » ,32 ?3, ,35 36, 38 3a_ l"! '12. .44 45, A7 4ft flQ 51, ,53 1 I 1 1 , , , , , ,. 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 Brigham Young University. Provo, Utah : Brigham Young University


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