People : Humpherys, A.S.

1995

Humpherys, A.S. (1995) Semiautomation of irrigated basins and borders: I. Single-function turnout gates. Applied Engineering in Agriculture. 11(1):67-74.

Humpherys, A.S. (1995) Semiautomation of irrigated basins and borders: II. Dual-function turnout gates. Applied Engineering in Agriculture. 11(1):75-82.

Humpherys, A.S. (1995) Semiautomation of irrigated basins and borders: III. Control elements and system operation. Applied Engineering in Agriculture. 11(1):83-91.

Humpherys, A.S. and Fisher, H.D. (1995) Water sensor feedback control system for surface irrigation. Applied Engineering in Agriculture. 11(1):61-65.

1992

Humpherys, A.S. and Oest, E.E. (1992) Dual-conduit layflat tubing for water conveyance and distribution. Applied Engineering in Agriculture. 8(1):33-40.

1991

Humpherys, A.S. (1991) Center-of-pressure gates for irrigation. Applied Engineering in Agriculture. 7(2):185-192.

1990

Humpherys, A.S. and Oest, E. (1990) Automated and manual layflat tubing for irrigation and conveyance. pp. 538-544. In: Proc. of 3rd Natl. Irrig. Symp. Visions of the Future. USA-AZ-Phoenix, 1990/10/28-11/01. ASAE, St. Joseph, MI.

Humpherys, A.S. (1990) Semiautomation of basin and border irrigation. pp. 28-33. In: Proc. of 3rd Natl. Irrig. Symp. Visions of the Future. USA-AZ-Phoenix, 1990/10/28-11/01. ASAE, St. Joseph, MI.

1989

Marco, Adi and Humpherys, A.S. and Spiess, L.B. and Decroix, M. (1989) The influence of wind on sprinkler irrigation. 46 pp. International Commission on Irrigation and Drainage, New Delhi. ISBN 81-85068-29-1

1988

Kemper, W.D. and Trout, T.J. and Humpherys, A.S. and Bullock, M.S. (1988) Mechanisms by which surge irrigation reduces furrow infiltration rates in a silty loam soil. Transaction of the ASAE. 31(3):821-829.

Brown, M.J. and Kemper, W.D. and Trout, T.J. and Humpherys, A.S. (1988) Sediment, erosion and water intake in furrows. Irrigation Science. 9:45-55.

1987

Humpherys, A.S. and Trout, T.J. (1987) Automation of border and basin irrigation. pp. 293-300. In: James, L.G. and English, M.J. (eds.) Proc. of Irrig. and Drainage Div. and Oregon Section - ASCE Conf. Irrigation Systems for the 21st Century. USA-OR-Portland, 1987/07/28-30.

1986

Humpherys, A.S. (1986) An Automated Single-Pipe Irrigation System. Transaction of the ASAE. 29(1):185-193.

Humpherys, A.S. (1986) Evaluation of Drop-Check Structures for Farm Irrigation Systems. Transaction of the ASAE. 29(2):505-511,516.

1985

Humpherys, A.S. and Wilson, M.D. and Trout, T.J. (1985) Electronic Clocks for Timing Irrigation Advance. Journal of Irrigation and Drainage Engineering. 111(1):94-98.

Humpherys, A.S. (1985) Mechanized Wheel and Belt Screens for Farm Irrigation Turnouts. Transaction of the ASAE. 28(6):1933-1939.

1984

Fisher, H.D. and Humpherys, A.S. (1984) Electronic Single Station Irrigation Timer/Controller. pp. 182-190. In: Proc. Natl. Conf. on Agricultural Electronics Applications. USA-IL-Chicago, 1983/12/11-13. ASAE Agricultural Electronics - 1983 and Beyond, Vol. 1: Field Equipment, Irrigation & Drainage. ASAE Publication No. 8-84. ASAE, St. Joseph, MI.

Kemper, W.D. and Humpherys, A.S. and Bondurant, J.A. (1984) Surface Films Affecting Velocity Profiles of Slowly Moving Water in Open Channels. Irrigation Science. 5:235-250.

1983

Fisher, H.D. and Humpherys, A.S. and Young, D.A. (1983) Automated Telemetric Irrigation Controller. pp. 250-258. In: Proc. Specialty Conference on Advances in Irrigation and Drainage: Surviving External Pressures. USA-WY-Jackson, 1983/07/20-22.

Humpherys, A.S. and Pauliukonis, R.S. (1983) Momentarily-Energized Pilot Valves for Irrigation Systems. Transaction of the ASAE. 26(5):1471-1475.

Humpherys, A.S. and Oest, E. and Young, D.A. (1983) Spring-Operated Semi-automatic Irrigation Valves. Transaction of the ASAE. 26(1):134-136,140.

1980

Kruse, E.G. and Fangmeier, D.D. and Humpherys, A.S. and Manges, H.L. (1980) Advances in Surface Irrigation. pp. 60-68. In: Proc. Am. Soc. Agric. Engr., Second National Irrigation Symposium, "Challenge of the 80's". USA-NE-Lincoln, 1980/10.

Hart, W.E. and Collins, H.G. and Woodward, G. and Humpherys, A.S. (1980) Design and Operation of Gravity or Surface Systems (Chapter 13). In: Jensen, M.E., (ed.) Design and Operation of Farm Irrigation Systems. ASAE Monograph, No. 3. pp. 501-580.

Kruse, E.G. and Humpherys, A.S. and Pope, E.J. (1980) Farm Water Distribution Systems (Chapter 11). In: Jensen, M.E., (ed.) Design and Operation of Farm Irrigation Systems. ASAE Monograph, No. 3. pp. 395-443.

1979

Humpherys, A.S. (1979) Automatic Furrow Irrigation Systems. Irrigation Age. 13(5):58-60.

1978

Humpherys, A.S. (1978) Israqua and ICID Irrigation Conferences. Irrigation Age. 13(1):24-25,47.

1977

Humpherys, A.S. and Bondurant, J.A. (1977) Cast-in-Place 2-Foot Concrete Trapezoidal Flow-Measuring Flumes. USDA Techical Bulletin No. 1566. 43 pp.

Humpherys, A.S. (1977) The Continuing Fight with Sediment. Irrigation Age. 12(3):p. 73,81.

Humpherys, A.S. (1977) Controlling Sediment in Surface Runoff. Irrigation Age. 12(1):p. 22,24.

Humpherys, A.S. (1977) Energy and Irrigation System Planning. Irrigation Age. 11(7):p. 73,75.

1976

Humpherys, A.S. (1976) How to Get the Most Benefit from Plastic Pipe. Irrigation Age. 10(6):28,30-32.

Humpherys, A.S. (1976) Low-Cost Sand and Gravel Separator. Irrigation Age. 11(3):30.

1975

Humpherys, A.S. (1975) Research Seeks Answers to Runoff Losses. Irrigation Age. 10(1):17.

1973

Humpherys, A.S. and Stacey, R.L. (1973) Automating Surface Irrigation Systems. Idaho Farmer-Stockman. 91(6):26-27.

1971

Humpherys, A.S. (1971) Automatic Furrow Irrigation Systems. Transaction of the ASAE. 14(3):466-470.

Humpherys, A.S. (1971) Ditch Irrigation Can Be Automated. Idaho Farmer-Stockman. 89(6):18,20-21.

Humpherys, A.S. and Robinson, A.R. (1971) Field Evaluation of Drop-Check Structures for Farm Irrigation Systems. USDA-ARS No. 41-180. 42 pp.

1970

Humpherys, A.S. and Garton, J.E. and Kruse, E.G. (1970) Auto-Mechanization of Open Channel Distribution Systems. pp. L.1-L.20. In: Proc. ASAE Natl. Irrig. Symp. USA-NE-Lincoln, 1970/11/10-13.

1969

Humpherys, A.S. (1969) Automatic Equipment for Surface Irrigation. pp. 27-36. In: Proc. 57th Ann. Ore. Reclam. Assn. Conf. USA-OR-Ontario, 1968/10/28-29.

Humpherys, A.S. (1969) Automatic Mechanical Irrigation Gates. pp. 24.251-24.261. In: Proc. Int. Comm. on Irrig. and Drain., 7th Congress. Mexico-Mexico City, 1969-04.

Bondurant, James A. and Humpherys, A.S. and Robinson, A.R. (1969) Cast-in-Place Concrete Trapezoidal Measuring Flumes. USDA-ARS No. 41-155. 16 pp.

Humpherys, A.S. (1969) Mechanical Structures for Farm Irrigation. Proceedings of the American Society of Civil Engineers, Journal of the Irrigation and Drainage Division. 95(IR4):463-479.

1968

Humpherys, A.S. (1968) Automatic Mechanical Irrigation Gates. Agric. Res. 17(4):7.

1967

Humpherys, A.S. and Bondurant, J.A. (1967) Automatic Irrigation Gate. Patent No. 3,300,985.

Humpherys, A.S. (1967) Automating Surface Irrigation. Agricultural Engineering. 48(6):338-340.

Humpherys, A.S. (1967) Control Structures for Automatic Surface Irrigation Systems. Transaction of the ASAE. 10(1):21-23,27.

Humpherys, A.S. and Bondurant, J.A. (1967) The Development of Automatic Irrigation Structures and Devices. pp. 152-168. In: 1966 Rep. Hawaii. Sugar Technol. 25th Ann. Meeting. USA-HI-Honolulu, 1967/11.

Robinson, A.R. and Humpherys, A.S. (1967) Water Control and Measurement on the Farm. In: Hagan, R.M. and Haise, H.R. and Edminster, T.W., (eds.) Irrigation of Agricultural Lands. Agronomy, No. 11. pp. 828-864.

1966

Humpherys, A.S. (1966) Automatic Water Control Structures for Surface Irrigation (Summarized). The Furrow, Farm Magazine. January 1966. pp. 20-21. Deere and Co.

1965

Humpherys, A.S. and Bondurant, J.A. (1965) Automatic Irrigation Gate. Patent No. 3,217,497.

Humpherys, A.S. (1965) Sinking Float-Operated Irrigation Gate. Patent No. 3,208,225.

1964

Humpherys, A.S. and Lauritzen, C.W. (1964) Hydraulic and Geometrical Relationships of Lay-Flat Irrigation Tubing. USDA Techical Bulletin No. 1309. 38 pp.