REFERENCE 
Asrar, G., Hipps, L.E. and Kanemasu, E.T., 1984. Estimating absorbed photosynthetic radiation and leaf area 
index from spectral reflectance in wheat. Agron. J.,76:300-306. 
Brutsaert, W.H., 1982. Evaporation into the atomosphere. D. Reidel Publishing Company, Dordrecht, Holland, 
pp.299. 
Choudhury, B.J., 1989. Estimating evaporation and carbon assimilation using infrared temperature data: Vistas 
in modeling. Theory and applications of optical remote sensing (ed. Asrar, G.), John Wiley and sons, 
New York, p.628-690. 
Clawson, K.L., Jackson, R.D. and Pinter Jr., P.J., 1989. Evaluating plant water stress with canopy temperature 
differences. Agron. J., 81: 858-863. 
Cohen, Y., Takeuchi,S., Nozaka, J., and Yano, T. 1993. Accuracy of sap flow measurement using heat balance 
and heat pulse methods. Agron. J., 85: 1080-1086. 
Diaz, R.A., Matthias, A.D., and Hanks, R.J., 1983. Evapotranspiration and yield estimation of spring wheat 
from canopy temperature. Agron. J., 75: 805-810. 
ET research group, 1967. Radiation balance of paddy field. J. Agric. Meteorol. (Japan), 22: 97-102. 
Gallo, K.P., Daughtry, C.S.T. and Bauer, M.E., 1985. Spectral estimates of absorbed photosynthetically active 
radiation in com canopies. Remote Sens. Environ., 17: 221-232. 
Hanks, R.J., 1983. Yield and water-use relationship: An overview. Limitations to efficient water use in crop 
production (ed. Tayler, H.M. et al.), .Am. Soc. Agronomy, Madison, p.393-411. 
Hatfield, J.L., 1990. Methods of estimating évapotranspiration. Irrigation of Agricultural Crops (ed. Stewart, 
B.A. and Nielsen, D.R.), Am. Soc. Agronomy, Madison, p.435-474. 
Hattendorf, M.J., Carlson, R.E., Halim, R.A. and Buxton, D.R., 1988. Crop water stress index and yield of 
water-deficit-stressed alfalfa. Agron. J., 80: 871-875. 
Heute, A.R., 1988. A soil adjusted vegetation index (SAVI). Remote Sens. Environ., 25: 295-309. 
Howell, T.A., 1990. Relationship between crop production and transpiration, évapotranspiration, and irrigation. 
Irrigation of Agricultural Crops (ed. Stewart, B.A. and Nielsen, D.R.), Am. Soc. Agronomy, Madison, 
p.392-434. 
Idso, S.B., Jackson, R.D., Pinter Jr., P.J., Reginato, R.J. and Hatfield, JL., 1981. Normalizing the stress-degree 
days for environmental variability. Agric. Meteorol., 24: 45-55. 
Inoue, Y., Kimball, B.A., Jackson, R.J., Pinter, Jr., P.J., and Reginato, R.J., 1990. Remote estimation of leaf 
transpiration rate and stomatal resistance based on infrared thermometry. Agric. Forest Meteorol., 51:21-33. 
Inoue, Y., 1990. Remote detection of physiological depression in crop plants with infrared thermal imagery. 
Jpn. J. Crop Sci., 59: 762-768. 
Jackson, R.J., Idso, S.B., Reginato, R.J. and Pinter Jr., P.J., 1981. Canopy temperature as a crop water stress 
indicator. Water Resour. Res., 17: 1133-1138. 
Jackson, R.J. ,1982. Canopy temperature and crop water stress. Advances in Irrigation (ed. Hill el, D.I.), Academic 
Press, New York, p.43-85. 
Kustas, W.P., Choudhury, B.J., Moran, M.S., Reginato, R.J., Jackson, R.J., Gay, L.W. and Weaver, H.L., 1989. 
Determination of sensible heat flux over sparse canopy using thermal infrared data. Agric Forest. 
Meteorol., 44: 197-216. 
Kustas, W.P., Goodrich, D.C., Moran, M.S., 1991. An interdisciplinary field study of the energy and water 
fluxes in the atmosphere-biosphere system over semiarid rangelands: Description and some preliminary 
results, Bull, of Amer. Meteorol. Soc., 72: 1683-1706. 
Makkink, G.F., 1957. Ekzameno de la formulo de Penman. Netherl. J. Agric. Sci. 5,290-305. 
Monsi, M. and Saeki, T., 1953. Uber den Lichtfactor in den Pflanzengesellshaften und seine Bedeutung fur dir 
Stoffproduktion. Jpn. J. Bot., 14: 22-52. 
Moran, M.S., Pinter Jr., P.J., Clothier, B.E. and Allen, S.G., 1989. Effects of water stress on the canopy 
architecture and spectral indices of irrigated alfalfa. Remote Sens. Environ., 29: 251-261. 
Moran, M.S., Clarke, T.R., Inoue, Y. and Vidal, A., 1993. Estimating crop water deficit using the relationship 
between surface-air temperature and spectral vegetation index. Remote Sens. Environ., (submitted). 
OToole, J.C., Tinner, N.C., Namuco, O.P., Dingkuhn, and Gomez, A., 1984. Comparison of some crop water 
stress measurement methods. Crop Sci., 24: 1121-1128. 
Pinter, Jr., P.J., 1993. Solar angle independence in the relationship between absorbed PAR and remotely sensed 
data for alfalfa. Remote Sens. Environ, (in Press). 
Priestley, C.H.B. and Taylor, R.J., 1972. On the assessment of surface heat flux and evaporation using large 
scale parameters. Monthly Weath. Rev. 100: 81-92. 
Sakuratani, T., 1987. Studies on évapotranspiration from crops (2) Separate estimation of transpiration and 
evaporation from a soybean files without water shortage. J. Agric. Meteorol. (Japan), 42: 309-317. 
Thom, A.S. and Oliver, H.R., 1977. On Penman's equation for estimating regional evaporation. Q.J.R. Meteorol. 
Soc., 103: 345-357. 
Wiegand, C.L., Richardson, A.J. Escobar, D.E., and Gerbermann, A.H., 1991: Vegetation indices and crop 
assessments. Remote Sens. Environ., 35:105-119. 
1068