太行山片麻岩基岩裂隙富水性的激电衰减参数特征——以阜平县为例
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摘要
为研究太行山片麻岩基岩裂隙富水性和激电衰减参数之间的对应关系,依据区域地质资料,分析了阜平县某研究区的水文地质特征,总结了片麻岩基岩裂隙水的赋存规律。利用激电法获取了半衰时、衰减度和偏离度等激电衰减参数。分析了片麻岩基岩裂隙水富水性的激电衰减参数特征,估计了地下水的富水性,并布置地质钻孔验证了基岩裂隙水富水性与激电衰减参数特征之间的对应程度。结果表明:半衰时和衰减度越大、偏离度越小,片麻岩基岩裂隙水富水性更为优越;半衰时分布在960～1600ms、衰减度分布在35～48%,以及偏离度分布在4. 8%以下,研究区片麻岩基岩裂隙水富水性较为优越;不同片麻岩基岩裂隙水分布区的水文地质特征不同,激电衰减参数值分布范围各异;相比电阻率和极化率,激电衰减参数的分辨率和准确度均有较大程度的提高,效果可靠,在条件类似的片麻岩基岩裂隙水分布区具有很强意义的示范性。
For purpose of understanding the correspondence between water yield property of gneiss rock fissure and induced polarization damping parameters in Taihang,hydrogeological characteristics of a research area in Fuping County were analyzed,and assignment law of gneiss bedrock fissure water was summarized with regional geologic data.Half damping time,damping degree and deviation degree were acquired by induced polarization method.Induced polarization damping parameters characteristics of water yield property in gneiss rock fissure water were analyzed,and water yield property was evaluated.Geology drill was distributed to test and verify their degree of equivalence.The results showed that with increase of half damping time and damping degree,water yield property of gneiss rock fissure water became superior accompanied by decreasing deviation degree; water yield property of gneiss rock fissure water increased with half damping time in 960 ~ 1600 ms,damping degree in35 ~ 48% and deviation degree less than 4.8% in the research area; with different hydrogeological characteristics in distributions of gneiss rock fissure water,the ranges of induced polarization damping parameters varied; in comparison with resistivity and polarization,the resolution and accuracy of induced polarization damping parameters enhanced with reliable effect,and it was a representative example in gneiss rock fissure water area with similar conditions.
For purpose of understanding the correspondence between water yield property of gneiss rock fissure and induced polarization damping parameters in Taihang,hydrogeological characteristics of a research area in Fuping County were analyzed,and assignment law of gneiss bedrock fissure water was summarized with regional geologic data.Half damping time,damping degree and deviation degree were acquired by induced polarization method.Induced polarization damping parameters characteristics of water yield property in gneiss rock fissure water were analyzed,and water yield property was evaluated.Geology drill was distributed to test and verify their degree of equivalence.The results showed that with increase of half damping time and damping degree,water yield property of gneiss rock fissure water became superior accompanied by decreasing deviation degree; water yield property of gneiss rock fissure water increased with half damping time in 960 ~ 1600 ms,damping degree in35 ~ 48% and deviation degree less than 4.8% in the research area; with different hydrogeological characteristics in distributions of gneiss rock fissure water,the ranges of induced polarization damping parameters varied; in comparison with resistivity and polarization,the resolution and accuracy of induced polarization damping parameters enhanced with reliable effect,and it was a representative example in gneiss rock fissure water area with similar conditions.
引文
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[17]李云,姜月华,叶念军,等.基岩山区找水与蓄水条件分析-以单斜和接触型蓄水构造为例[J].地下水,2015,37(1):106-108.
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[19]余岸竹,姜挺,郭文月,等.总体最小二乘用于线阵卫星遥感影像光束法平差解算[J].测绘学报,2016,45(4):442-457.
[20]潘伟,汤井田,肖晓,等.全信息矢量相干度在MT数据质量评价中的应用效果分析[J].物探化探计算技术,2013,35(1):23-27.
[21]李江华,许延春,谢小峰,等.采高对煤层底板破坏深度的影响[J].煤炭学报,2015,40(s2):303-310.
[2]张硕.保定市水资源承载力研究[D].保定:河北大学,2013:5-10.
[3]刘人太,李术才,张庆松,等.岩溶裂隙水探查方法优化与工程治理研究[J].岩土力学,2011,32(4):1095-1107.
[4]张彪,刘良志,倪进鑫,等.综合物探方法在花岗岩严重缺水地区找水勘查中的应用[J].工程地球物理学报,2015,12(4):501-507.
[5]杨红,许模,张劲松.滇东南弥勒盆地蓄水构造特征分析及找水方向[J].水土保持研究,2012,19(6):254-258.
[6]宋洋,迟宝明,谷洪彪,等.基于水化学及D、18O的柳江盆地东宫河流域地下水循环特征解析[J].水土保持研究,2015,22(2):90-100.
[7]杨磊,蔡胤.时间域激发极化法在地下水资源勘查中的应用[J].华北水利水电学院学报,2008,29(4):8-10.
[8]张本静.电法勘探在塔克拉玛干沙漠找水中的应用[J].资源环境与工程,2013,27(4):476-481.
[9]卢放,阎红霞,胡文广.太行山缺水地区变质岩裂隙水水文地质特征及其电性响应-以阜平县为例[J].科学技术与工程,2016,16(14):18-22.
[10]苏永军,马震,孟利山,等.高密度电阻率法和激发极化法在抗旱找水定井位中的应用[J].现代地质,2015,29(2):265-271.
[11]孙中任,赵海卿,赵雪娟,等.多参数激电测深在敬信盆地探测工作中的应用[J].地质与资源,2017,26(1):77-80.
[12]李金铭.激发极化法方法技术指南[M].北京:地质出版社,2004:15-16.
[13]卢放,阎红霞,胡文广,等.酒泉东盆地与张掖盆地地质接触关系及其电性特征研究[J].干旱区资源与环境,2017,31(3):171-176.
[14]王涛,严家斌,李俊杰,等.多参数分析在孟公界铀矿床探测中的应用研究[J].铀矿地质,2014,30(1):38-43.
[15]陈贻祥,甘伏平,韦吉益,等.泰安地区岩溶富水构造激电测深法异常类型[J].物探与化探,2013,37(3):427-432.
[16]李富,邓国仕,王德伟,等.乌蒙山区探采结合井位探测物探方法综合研究[J].地质科技情报,2017,36(5):238-243.
[17]李云,姜月华,叶念军,等.基岩山区找水与蓄水条件分析-以单斜和接触型蓄水构造为例[J].地下水,2015,37(1):106-108.
[18]刘慧娥,李松涛,周光红,等.激电测深法在内蒙古中部地区寻找地下水源中的应用[J].西南科技大学学报,2013,28(2):46-51.
[19]余岸竹,姜挺,郭文月,等.总体最小二乘用于线阵卫星遥感影像光束法平差解算[J].测绘学报,2016,45(4):442-457.
[20]潘伟,汤井田,肖晓,等.全信息矢量相干度在MT数据质量评价中的应用效果分析[J].物探化探计算技术,2013,35(1):23-27.
[21]李江华,许延春,谢小峰,等.采高对煤层底板破坏深度的影响[J].煤炭学报,2015,40(s2):303-310.