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浙江省大地热流及其地热资源意义
毛官辉, 张立勇, 陈俊兵, 吕清, 彭鹏, 韦毅
PDF(2978 KB)
PDF(2978 KB)
浙江省大地热流及其地热资源意义
Terrestrial Heat Flow in Zhejiang Province and Its Significance of Geothermal Resources
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为深入了解浙江区域地热背景，本文整理了浙江53眼中深层地热井的连续测温资料，并实测、收集相关岩石热导率数据110组，最终筛选并计算了23个新的大地热流值，取值区间在61.7~87.9 mW/m2，平均值73.7 mW/m2，高于全国均值. 结果表明，在北东向和北西向深大断裂的控制下，形成了浙东北嘉兴‒慈溪‒宁波、浙西南遂昌‒兰溪‒浦江高热流值地热单元和浙中安吉‒新昌‒温岭低热流值地热单元. 上述地热单元的分布与浙江莫霍面、居里面等地壳结构的特征面分布特征基本一致，与浙江大型白垩纪断陷盆地和新生代沉积盆地在空间上吻合度较高，与现代地壳运动和构造活动性密切相关.
In order to deeply understand the regional geothermal background in Zhejiang, the continuous temperature measurement data of 53 deep geothermal wells in Zhejiang are sorted out, and 110 groups of related rock thermal conductivity data are measured and collected. Finally, 23 new terrestrial heat flow values are screened and calculated, with an average 73.7 mW/m2 of 61.7- 87.9 mW/m2, which is higher than the national average. The results show that controlled by NE-trending and NW-trending deep faults, there are Jiaxing-Cixi-Ningbo high heat flow geothermal unit in northeast Zhejiang, Suichang-Lanxi-Pujiang high heat flow geothermal unit in southwestern Zhejiang and Anji-Xinchang-Wenling low heat flow geothermal unit in central Zhejiang. The distribution of the above geothermal units is highly consistent with that of large Cretaceous faulted basins and Cenozoic sedimentary basins, and the analysis may be closely related to modern crustal movement and tectonic activity.
大地热流 / 传导型 / 对流型 / 地温梯度 / 热导率 / 地热系统 / 地热能
terrestrial heat flow / conductivity / convection / geothermal gradient / thermal conductivity / the geothermal system / geothermal energy
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