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.
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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浙江省地质专项资金项目(2018010)
中国科学院学部咨询评议项目(2020-DX03-B-007)
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