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本文报道的我国第一批正式热流数据,系几年来我们在开展地温普查、矿山地温等工作的同时,选取了一部分较为理想的钻孔进行大地热流测量的结果。测点主要位于华北平原及其近邻的山区,个别在江淮地区。这项工作得到煤炭、地质、冶金等部门的大力协助。一、温度和岩石热导率测量大地热流指地表单位面积上在单位时间内由地球内部散发而来的热流量。通常,按下述稳态热传导公式计算热流:
This article reports the first batch of official heat flow data in our country. In the past few years, we carried out the geothermal survey and mine geothermal work. At the same time, we selected a part of the ideal borehole measurements for geothermal heat flow. The measuring points are mainly located in the mountains of the North China Plain and its neighbors, some in the Jianghuai region. This work has been greatly assisted by coal, geological, metallurgical and other departments. First, the temperature and rock thermal conductivity measurement of geothermal heat refers to the unit surface area within a unit of time from the Earth’s internal heat flux distribution. In general, heat flow is calculated using the following steady-state heat transfer formula: