评估北山的地热资源潜力,利用基于重力的高精度人机交互式反转技术
Zhi-He Xu1,2,3,4, Ji-Yi Jiang1,3, Guan-Wen Gu1,3
1College of Earth Sciences, Institute of Disaster Prevention, Sanhe, China.
Frontiers in big data
|August 4, 2023
概括
长白山的地热勘探利用高精度的重力测量来确定深层地热资源. 这项研究成功地绘制了潜在的热源,水库和通路,揭示了泰安基火山口北部的一个复杂的地热系统.
科学领域:
- 地质物理学 地质物理学
- 地热能源勘探 地热能源勘探
背景情况:
- 对地热资源的准确评估对于清洁能源发展至关重要,但仍然很复杂.
- 地热能为化石燃料提供了一个气候友好的替代品.
研究的目的:
- 精确识别和评估位于长白山天基火山口北部的深层地热资源.
- 划分地热系统,包括热源,水库和迁移路径.
主要方法:
- 进行了大约2000个大规模,高精度的重力测量点.
- 应用高级数据处理,包括向上延续和2.5D人机交互式反转.
- 分析了石化物理参数来解释重力异常和密度变化.
主要成果:
- 确定了两个圆顶形的低重力异常和一个正重力梯度异常.
- 在形成盾牌的玄武岩 (2.58 g/cm3),地热水库 (2.60-2.75 g/cm3) 和迁移路径 (≤2.58 g/cm3) 之间进行区分.
- 揭示了一个地热系统,其特点是沉积盆地和提升的山脉,位于天基火山脉北部.
结论:
- 高精度的重力数据有效地划分了深层地热资源元素.
- 该研究成功地确定了蒂安基火山区的复杂地热系统.
- 这种方法有助于精确评估用于清洁能源应用的地热潜力.
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