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1、AdvancesinEnvironmentalProtection环境保护前沿,2015,5(5),91-102PublishedOnlineOctober2015inHans.http://www.hanspub.org/journal/aephttp://dx.doi.org/10.12677/aep.2015.55013TheCharacteristicsofSpatialDistributionoftheAgriculturalDrainageandPollutionsintoBostenLakeQingZhuang1,LishaYing1,Jia
2、npingZhang21TheFacultyGeographyResourceSciences,SichuanNormalUniversity,ChengduSichuan2EnvironmentalMonitorStationofEnvironmentalProtectionBureauofBayingolinMongoliaAutonomousPrefecture,KorleXinjiangEmail:18382452355@163.comthththReceived:Aug.14,2015;accepted:Aug.29,2015;published
3、:Sep.4,2015Copyright©2015byauthorsandHansPublishersInc.ThisworkislicensedundertheCreativeCommonsAttributionInternationalLicense(CCBY).http://creativecommons.org/licenses/by/4.0/AbstractBostenLakewasonceChina’slargestinlandfreshwaterlake.Also,itistheimportantwatersourcefortheYanqiB
4、asin,thebanksofQongquehe,andtheTarimRiver.Sincethe1950’s,thedevelop-mentofindustryandagriculturehascausednotonlyincreasedpollutionintothelake,butalsothewaterqualityhasdeteriorated.Farmlanddrainageisthemaincauseforthewaterpollution.Toquantitativelyanalyzethefarmlanddrainagepollutio
5、n,dataweregatheredforthecharacteristicsofspatialdistributionandfortheannualchangesinrecentyears.Thefollowingitemsbelowwereusedforobtainingthesedata:First,thereisthebasisoftheremotesensingimagesandthefieldsurvey,wherewerepresenttheGIS’splottingforthe26maindrainagecanals.Secondly,by
6、usingthemonitoringdataofthedrainagewaterintothelakeduringtheperiodofJune2002toMay2003,wecanapproximatelyestimatetheincreasedamountsofwastewaterandpollutants.Thenlastly,wewillusetheresultsoftheeightmostimportantcanalstobecomparedwiththedatafortheyear2007.Thecriteriasetabovehelpedpr
7、oducethefollowinginformation:1)Thetotaldrai-nagevolumeofwastewater,TN,andTPcontentof26maindrainagecanalswas4.3×108m3,1287tand10trespectively;2)Forthe17drainagecanalsintotheLake,theYellowMainDryLinehadthelargesttotaldrainagevolumeofwastewaterandTPcontent,1.35×108m3and4.3trespec-tiv
8、ely;whilethelargestTNcontentwasat
