大安苏打碱土区地下水质与灌溉盐渍化风险评价-生态与农村环境学报.PDF

2006, 22 ( 4): 20- 24, 6 1 J ournal of Ecology and R ural E nv ironm en 1, 2 1 1 1 ( 1. , 130012; 2. 李 彬 , 王志春, 梁正伟 , 迟春明 , 100049) : 6 720 30 60 70 m 3, , - - , N aHCO ; 30 m H CO C l , 3 3 ; , 60 m , 30 m : ; ; ; ; : S 156. 1; S165. 22; X8 : A : 1673- 483 1( 2006) 04- 0020- 05 Qua lity of G roundwater in Sod ic Soil A reas in Da an C ity and Soil Salin ization R isk of U sin g theW ater for Irr i 1, 2 1 1 1 gation. LI B in , WANG Zh ichun , LIAN G Zheng w ei , CH I Chunm ing ( 1. Northea t In titute of Geography and A gr icu l tural Ecology, Chine e A cademy of Sc ience , Chang chun 130012, Ch ina; 2. Graduate School of Chine e A cadem y of Sci ence , Be ij ing 100049, Ch ina) Abstract Chem ical propertie of groundwater ( 6- 7, 20- 30, 60- 70 m in depth ) at od ic o il area in D a an C ity, Jilin Prov ince were m ea ured and o il alin ization ri k of u ing the groundw ater for irrig ation w a analyzed. The re u lt how that 1) G roundw ater, regardle of depth, take on the character i tic of be ing odaaffected to a vary ing ex tent w ith N aH CO3 to be the dom inant alt in the groundw ater. 2) The groundw ater w ithin the depth of 0- 30 m i qu ite h igh in - - HCO3 and C l . T hi kind of groundwater can not be u ed for irrig ation, or el e o il alin ization and alkalization wou ld oc cur. 3) T he groundw ater below 60 m in depth i good in quality and can be u ed for irr igation w ithout the ri k of o il alin ization.