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<br />LIST OF TABLES
<br />
<br />TABLE PAGEl
<br />45. Penetration of rainfall in vineyards as determined by field inspection. Sea-
<br />son of 1928-29___________________~___________________________-----------
<br />46. Penetration of rainfall in walnut groves as determined by field inspection.
<br />Season of 1928-29_______________________________________________--------
<br />47. Penetration of rainfall in peach and apricot orchards as determined by field
<br />inspection. Season of 1929-30____________________________ --------------
<br />48. Penetration of rainfall in vineyards as determined by field inspection. Sea-
<br />son of 1929-30_______________________________________________----------
<br />49. Penetration of rainfall in walnut groves as determined by field inspection.
<br />Season of 1929-30_______________________________________________-------
<br />50. Consumptive use of water-alfalfa plot, Thomas Ranch, Chino, 1930_______
<br />51. Summary of initial fall moisture deficiency for various plots_______________
<br />52. Deficiency of soil moisture in citrus groves, Orange County, 1928__________
<br />fi3. Deficiency of soil moisture in citrus groves, Orange County, 1929__________
<br />54. Maximum deficiency of soil moisture under good irrigation practice on basis
<br />of root distribution for citrus, Orange County, 1928_________________________
<br />55. Maximum deficiency of soil moisture under good irrigation practice on basis
<br />of root distribution for citrus, Orange County, 1929_________________________
<br />56. Deficiency of soil moisture in walnut groves, Oran~e County________________
<br />57. Maximum deficiency of soil moisture under good Irrigation practice on basis
<br />of root distribution for walnuts, Orang-e County, 1928 and 1929-_____________
<br />58. Rainfall run-off from Riverside Field Plot 1-5.28 acres of Navel oranges
<br />on Ramona loam soiL__________________________________________________- 92
<br />59. Rainfall run-off from Riverside Field Plot 6-11.8 acres of oats on Ramona
<br />loam soi1__________________________________________________------------- 92
<br />60. Rainfall run-off' from Riverside Plot 7-native brush-l00 square feet in plot
<br />on Rl'l,.lTlona IOl'm soi1_____________________________~_____________________ 93
<br />61. Rainfall run-off from Riverside Plot 8--clean furrow plot in walnut grove--
<br />100 square feet in plot on Ramona loam soil______________________________ 93
<br />62. Intensity of rainfall on Riverside run-off plots-table gives intensities of
<br />0.2Q inch per hour or higher_____________________________________________ 93
<br />63. Evaporation from bare soil after rain-Edison Avenue Plot. Season of
<br />1928-29 ______________________________________________________--------- 96
<br />64. !'lummary of averag-e winter evaporation-transpiration rate per 30 days for
<br />brush, and grass and weed plots__________________________________________ 98
<br />65. SoMd1~~~n~~~nii~~h O~~a~I~:a1c92 ~~r~~~~~~~~_~r:.._t~~~~~~~~~~~~__~~~:~~~_:~~~_~ 101
<br />66. Soil drainage with no surface evaporation or transpiration. Covered Plot B
<br />-~djson aveI'lue. Ontario, 19:W___________________________________________ 102
<br />67. Evaporation from water surface--Class A Weather Bureau type of pan at
<br />Ontario, San Bernardino and Santa Ana__________________________________ 103
<br />68. Evaporatlon from water surface--Class A Weather Bureau type of pan at
<br />Citrus Experiment Station. University of California. Riverside_____________ 103
<br />69. Weekly record of evaporation from water surface--Class A Weather Bureau
<br />type of pan at Ontario_______________________________________________--- 104
<br />
<br />Part II
<br />
<br />1. Monthly temperatures, rainfall and miles of wind movement per month at
<br />Santa Ana and San Bernardino stations_______~___~______________________ 111
<br />2. Daily rainfall at Santa Ana Station, with totals for storms, 1929-30______ 112
<br />3. Daily rainfall at San Bernardino Station, with totals for storms, 1929-"30__ 112
<br />4. Installation data on tanks used at Santa Ana and San Bernardino staUons__ 121
<br />5. Distribution of soil moisture in Tank No.3, September 25, 1929, Santa Ana
<br />Station __________________________________________________~___---------- 122
<br />6. Summary showing weekly evaporation from soil and water surfaces and- use
<br />of water by salt grass and tules, May, 1929, to May, 1930, in tanks at Santa
<br />7. ~:;~mary-showln--weekiy-use--o{-water-by-Berm:u-d-i-grass, -f~~~~ilf2f.af~ 124
<br />May, 1930, in tan't:s at San Bernardino___________________________________ 125
<br />8. Summary shOwing monthly evaporation from soil and water surfaces and use
<br />of water by salt grass and tules, May, 1929, to May, 1930, in tanks at Santa
<br />Ana ______________________________________________________------------- 127
<br />9. Summary showing monthly evaporation from water surfaces and use of water
<br />by, Bermuda grass and tUles, May, 1929, to May, 1930, in tanks at San
<br />Bernardino _______________________ _________________________________ -- 129
<br />10. Difference in ga~e heights due to temperature, Mariotte Tank No.4, at San
<br />Bernardino StatIon _____________________________________________________ 135
<br />11. Monthly use of water by tules growing in submerged soil in Tank No. 19 at
<br />Santa Ana StaUon_________________________________________________----- 137
<br />12. Evaporation from oil-covered water surfaces, as compared with free-water
<br />surfaces ______________________________________________________--------- 140
<br />13. Mean rise of perched water table in Orange County due to rainfall between
<br />December, 1929, and April, 1930_________________________________________ 143
<br />
<br />Appendix
<br />
<br />1. Rainfall data at Santa Ana; U. S. Weather Bureau______________________
<br />2. Rainfall data at Tustin: U. S. Weather Bureau__________________________
<br />3. Rainfall data at Corona; U. .S. Weather Bureau__________________________
<br />4. Rainfall data at China; American Beet Sugar Company ------------------
<br />5. Rainfall data at Narod: West Ontario Citrus Association, C. W. Fox,
<br />observer
<br />6. Rainfall data-at-rrwenty-second-street,- Upia:n-d;-i.-R.--io-h;;~n,-(ib-~rver===
<br />7. Rainfall data at Baseline and Hermosa avenues, Alta Lorna; L. .8.. Smith,
<br />observer ______________________________________________________---------
<br />8. Rainfall data at Guasti; Guasti Wine Company--------------------------
<br />
<br />83
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<br />1'53
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