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:2007-10-25;:2008-01-30:(2006401006):,,1967,,,E2mail:cczhwx@hotmail.com1,2(11,110031;21,110031):,:215%810%,12%20%;,5000m3/d,,,,:;;:X143:A:1673-503X(2008)03-0024-051,,2080,90,,,,28100m3,2200m3,88,1/4[1],2116,1760m3,[2],600400,60m3,2000100[3],,,,10%[4],,,(),,,,,,,,2006,,,,2211[5],;,,;,;,21224320086JOURNALOFMETEOROLOGYANDENVIRONMENTVol124No13June2008,21211,,,21212,,21213,,21214,,,21321311,,1989(IRCSA)2a,,,,,,,3:,;;[6],,,,1963,1992,:,,,5mm/h,BOD50%[7]213122080,90,,2000;;2003320051,,,,[8]200743,,,,,,,,,,,31131111523:,;,,;;,,311121a1(1),(2):Q=mqF(1)W=10chyF(2)(1)(2),Q(Ls-1);m;q[L(shm2)-1];F(hm2);W(m3);c;hy(mm):q=167A(1+clgP)/(t+b)n(3)(3),q[L(shm2)-1];P(a),12a;t(min);Abcn:Wi=10F(4)(4),Wi(m3);(mm),23mm,57mm31113GBJ137-90,2810%4710%,4010%,1112%1818%;1510%2510%,610%1010%,1712%2818%,4010%2010%4010%,11/km2/m3/mm/m320%40%20%40%2316382570715030031971841710517333162219519261837966301523044108104218120457803006002155101,,,215%810%,,10%[9],,312,[10],,,,100m3/d,4128/t;50000m3/d,0191/t21,5%;60%(80%),10%2/(m3d-1)/(t-1)/(m3d-1)/(t-1)10041285000114850021461000011221000214020000110720001186500000191,011112/m3,,62245000m3/d,,31331311,4[11],1145/t,1120/t,3120/t33,3/m3/m3/(a-1)/(a-1)382530055461310351018171051621524102151314113796304550412104818191112045600174651320701011191119%,1911%,31312,,[12](1),,(2)1m3()3100,1m31120,(3),,4,,(1)215%810%,12%20%(2),5000m3/d,(3),,,,(4),[1].[M].:,2002:21.[2],.[J].,2002,12(6):23-25.[3].[J].,1999,14(3):23-24.[4],,,.[J].,1999(3):13-14.[5],,,.[J].,2000,15(6):26-27.[6].[J].,2002(6):23-25.[7],.[J].,1997(2):51-54.[8],.[J].,2002,28(3):16-18.[9].[J].,2007,23(2):38-41.[10].[M].:,2002:38-44.[11].[J].,2007,12(2):100-102.[12].[J].,2006,22(5):50-52.723:ApplicationofurbanrainwaterutilizationinregionalenvironmentalimpactassessmentCHANGChun2zhi1,2(11LiaoningAcademyofEnvironmentalSciences,Shenyang110031,China;21LiaoningKeyLaboratoryofBasinPollutionControl,Shenyang110031,China)Abstract:Theurbanrainwaterresourcesloss,seriouslycontaminativerainwaterflow,urbanflooddisasterandeco2logicalenvironmentaldegradationhavedrawnmoreandmoreattentionwiththedevelopmentoffasturbanizationinChina.Theapplicationofrainwaterutilizationineconomicdevelopmentregionsandindustrialregionswasana2lyzed.Theresultsindicatethattherainfallrechargeamountaccountsfor215%810%ofthetotalwatercon2sumption.Andthewatercostcouldreduce12%20%.Comparedwiththewastewaterreuse,therainwateruti2lizationismoreeconomiciftheoutputofwastewaterislessthan5000m3/d.Therefore,thecountermeasurestoimprovetheurbanrainwaterutilizationshouldbeemphasizedmainlyintheregionalplanning.Themacro2controlandcoordinationactionsofregionalenvironmentalimpactassessmentshouldbecarefullyconsidered.Keywords:Urbanrainwaterutilization;Regionalplanning;Environmentalimpactassessment8224