4Lengbein F A. Comparison between standard and small orifice raingages. J Appl Meteor, 1954, 36: 689-694.
5Bras R F, Rodriguez-Iturbe I G. Network design for the estimation of areal mean rainfall events. Water Resources Research, 1976, 12:1185-1195.
6Hughes J P, Lettenmaier D P. Data requirements for kriging: estimation and network design. Water Re- sources Research, 1981, 17:1641-1650.
7Bastin G, Lorent B, Duque C, et al. Optimal estimation of the average areal rainfall and optimal selection of raingauge locations. Water Resources Research, 1984, 20:463-470.
8Bogardi I, Bardossy A. Multicriterion network design using geostatistics. Water Resources Research, 1985, 21:199-208.
9Seredharna K E. Design of raingauge network for The Chaliyar River Basin using spatial correlation tech- nique. Journal of the Institution of Engineers (India), Part Ⅱ: Civil Engineering Division, 1983, 64: 170- 174.
10Krstanovic P F, Singh V P. Evaluation of rainfall network using entropy: I. theoretical development. Water Resources Management, 1992, 6:279-293.