| 敬信盆地沉积环境及地下水特征 |
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| 引用本文： | 王举.敬信盆地沉积环境及地下水特征[J].中国煤田地质,2003,15(3):20-24. |
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| 作者姓名： | 王举 |
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| 作者单位： | 吉林省煤田地质物探公司 吉林长春130031 |
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| 摘 要： | 敬信盆地第四系下更新统沉积环境以冲积扇相为主,发育有下部孔隙承压含水层(Mx);中上更新统以湖泊相为主,发育有上部孔隙承压含水层(Ms);孔隙潜水含水层的的发育层位为全新统。盆地内各层位地下水的补给来源主要为大气降水,上、下孔隙承压水主要靠孔隙潜水越流补给,其动态变化滞后于孔隙潜水近一个月,地下水向图们江径流、排泄。潜水含水层富水性较弱,水化学类型复杂;承压含水层富水性强,上部承压含水层水质优良,下部承压含水层水质稍差,水中Fe、Mn含量较高,并沿图们江向下游有增高的趋势。
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| 关 键 词： | 含水层沉积环境 地下水动态特征 地下水化学特征 敬信盆地 |
| 文章编号： | 1004-9177(2003)03-0020-05 |
| 修稿时间： | 2002年9月2日 |
Depositional Environment and Features of Ground Water in Jingxin Basin |
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| WANG Ju.Depositional Environment and Features of Ground Water in Jingxin Basin[J].Coal Geology of China,2003,15(3):20-24. |
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| Authors: | WANG Ju |
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| Abstract: | The depositional environment of Lower Pleistocene series of Quaternary System in Jingxin Basin mainly on alluvial fan facies,and there is pore-confined aquifer of lower part(Mx );the depositional environment of Mid-upper Pleistocene Series mainly on lake facies,and there is pore-confined aquifer of upper part(Ms );and the pore-phreatic aquifer is located in Holocene Series.The recharge source of ground water of aquifers in basin mainly on rainwater,and the pore-confined water of upper and lower parts depended mainly on leakage recharge of pore-phreatic water,its dynamical change near one month late than pore-phreatic water.The runoff and discharge of ground water towards Tumenjiang River.In phreatic aquifer,the water yield property is weaker,and there is complex hydrochemistry type.In confined aquifer,there is better water yield property,and the water quality of upper confined water very good,but the water quality of lower confined water not good enough,the contents of Fe ion and Mn ion in water relatively high,and there are trend of increase towards lower reaches of river along Tumen jiang river. |
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| Keywords: | depositional environment of aquifer dynamical feature of ground water chemical feature of ground water Jingxin Basin |
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