不同型号水温仪同井对比观测分析
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摘要
在永年北杜井250 m深度安装的ZKGD3000-NT型地下水数据监测系统水温仪和SZW-1型数字式温度计进行对比观测与井水温梯度测量。结果表明,随着深度的增加,井水温度逐渐升高,水温与深度呈正相关,温度梯度没有明显的梯度异常井段。但两者温度动态差异较大,SZW-1温度计观测结果动态稳定性高,可以判定温度22.58℃是永年井250 m深度的井水温度,基本保持稳定上升趋势,上升速率稳定;而同孔、同深度安装的ZKGD3000-NT水温仪测值波动性较大,变化速率亦大,呈现下降趋势或下降速率增大。
In Yongnian Beidu well,there are two kinds of water thermometer for monitoring well water temperature. One is ZKGD3000-NT type and the other is SZW-1 type digital thermometer. The water temperature at the depth of 250 m and well water temperature gradient recorded by the two kinds of water thermometer are comparative tested. The results show that the water temperature gradient recorded by the two type instruments has the same laws: well water temperature and depth were positively correlated with no anomaly. For dynamic observation,the SZW-1 type is more stable and the well temperature at the depth of 250 m is about 22. 58℃with stable upward trend and small stable changing rate. While,the well water temperature observed by the ZKGD3000-NT installed at the same depth were much unstable with downward trend and big changing rate.
In Yongnian Beidu well,there are two kinds of water thermometer for monitoring well water temperature. One is ZKGD3000-NT type and the other is SZW-1 type digital thermometer. The water temperature at the depth of 250 m and well water temperature gradient recorded by the two kinds of water thermometer are comparative tested. The results show that the water temperature gradient recorded by the two type instruments has the same laws: well water temperature and depth were positively correlated with no anomaly. For dynamic observation,the SZW-1 type is more stable and the well temperature at the depth of 250 m is about 22. 58℃with stable upward trend and small stable changing rate. While,the well water temperature observed by the ZKGD3000-NT installed at the same depth were much unstable with downward trend and big changing rate.
引文
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[2]河北省地震局.河北省地震监测志[M].北京:地震出版社,2003:20-260.
[3]李国佑,白占孝,张敏.德令哈地震台水温对比观测分析[J].地震研究,2014,37(s1):68-71.
[4]罗宾生,马丽,张超美,等.湟源台水温仪同井观测实验及产出资料的对比分析[J].地球,2016,(3):384.
[5]徐杰,高战武,宋长青,等.太行山山前断裂带的构造特征[J].地震地质,2000,22(2):111-121.
[6]邱永平.宁波地震台ZK03井水温平行观测资料的对比分析[J].中国地震,2011,27(4):431-437.
[7]刘国俊,杨海祥,张小红,等.山西运城东郭井水温梯度测试及其结果分析[J].山西地震,2011,(2):10-11.
[8]李婧,吴海波,朱家明,等.延寿地震台水温梯度测量及结果分析[J].防灾减灾学报,2013,29(4):67-69.
[9]何案华,汪成国,李晓东,等.新疆温泉井水温梯度观测实验及结果分析[J].大地测量与地球动力学,2014,34(1):51-54.
[10]邱永平.高精度温度计在同层水温平行观测中的相互干扰现象[J].中国地震,2016,32(1):151-156.
[11]中国地震局.地震地下流体观测方法井水和泉水温度观测(地震行业标准DB/T 49-2012)[M].北京:地震出版社,2012:1-15.
[12]中国地震局地壳应力研究所.SZW-1A型数字式温度计说明书[R].北京:中国地震局地壳应力研究所,2001:1-20.
[13]中国地震局地壳应力研究所.SZW-1A型数字式温度计使用说明书(修订版)[R].北京:中国地震局地壳应力研究所,2006:1-20.
[14]北京中科光大自动化技术有限公司.地下流体自动监测系统(ZKGD3000-N型)用户说明书[R].北京:北京中科光大自动化技术有限公司,2014:1-25.