国内外渠系改造现状及发展展望

131Vol.13No.120062ResearchofSoilandWaterConservationFeb.,20061,2,2,3,4(1.;2.,712100;3.,710054;4.):,,,:;;:TV672.2:A:100523409(2006)0120133203CanalSystemRehabilitationActualityandDevelopmentProspectofInlandandOverseasHEJun2qi1,2,WANGYou2ke2,BIANJun2feng3,RENTao4(1.NorthwestSci2techUniversityofAgricultureandForestry;2.NERCforWaterSavingIrrigationatYangling,Yangling,Shaanxi712100,China;3.TheNo.1CityPlanningCorporationinXi’an710054,China;4.XiaolangdiWaterPowerStatiorvinJiyuanCityofHenanProvince)Abstract:Theirrigationdistrictsandcanalsystemrehabilitationsituationinourcountryaredescribed,andsomestressesandachievementsaboutirrigationdistrictsrehabilitationinAmerica,Japan,Australiaetc.arepresented,finallythecorrelativeforecastofcanalsystemrehabilitationdevelopmenttrendinourcountryisputforward.Keywords:irrigationdistricts;canalsystemrehabilitation;trendforecast1,,,600hm25600,0.53hm2,78%5070,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,45%60%,60%310km,39.7%,60.3%,,,,,80%,0.5,,,,,,,,22.11ö3,19500.96hm2,19952.5hm2,1.6,19507%199518%,,,,40%,60%80,,:2005203229:(2002AA2Z4211):(1978-),,,,,,,:,,,,,,,,,,,,,,,,:,,,,,,,(,,),,,,,,,,,1ö3,,,,:,,:,;,;;,,:(1),,,(2)(3),,:,,,,,(4)(5),,100m30m,,,,,,,,,,,,GCLSGCLS,,,,,,,,,:,;,;,,,,,,2.2,,,2050,,60,,90,300,,,,55km,18%29km,24%;26km,14%,U,,,,,(),;,,,SL2391SL1891,,,,,,,,,,431133,,,,:3.1,,;,,,,,,,,,,,,,3.2:(1)PVC,,,0.52.3mm,,,(2),,,,0.20.6mm,,,,,,(3),,,,,WHWS,(4),,,,PV(5),,,,3.3,,,,,,,,U,U,,,3.4,,,,,3.5,,,,,,,,,,,,,,4,,,,:[1].[M].:,1996.[2],.[M].:,1994.[3].[M].:,2003.[4].[M].:,1978.[5].[M].:,1986.[6].[M].:,1997.[7],.[M].:,2004.[8],.[M].:,2003.[9].[M].:,1999.[10],.[M].:,2004.[11]..[M].:,1991.[12].[J].,2003,(7):47-48.5311: