空间插值技术的比较和评估:以埃塞俄比亚中央大裂的地面重力和高度数据集为例
Hailemichael Kebede1, Zelalem Demissie2, Habte Tadesse3
1Computational Data Science Program, Addis Ababa University, P.O. Box 1176, Addis Ababa, Ethiopia.
Heliyon
|July 8, 2024
概括
普通Kriging插值优于填补埃塞俄比亚地质物理重力调查中的数据缺口. 这种方法提供了比最小曲率插值更准确的重力异常估计.
科学领域:
- 地质物理学 地质物理学
- 地质测量是指地质测量.
- 地力学是什么?地力学是什么?
背景情况:
- 在埃塞俄比亚大裂中,基于地面的重力数据收集受到可访问性的限制,导致空间数据缺口.
- 该地区活跃的火山和构造活动需要准确的地球物理数据进行分析.
- 插值技术对于估计缺失或分布不均的地质数据至关重要.
研究的目的:
- 为了比较最小曲率插值和普通Kriging对潜在现场地质物理数据的有效性.
- 评估埃塞俄比亚主要裂中陆地重力和海拔数据的空间互插方法的准确性.
- 确定在地质活跃地区进行重力研究的最佳插值技术.
主要方法:
- 最小曲率插值和普通曲率的比较分析.
- 使用陆地重力和海拔数据,应用10%的延期验证策略.
- 使用MAE,RMSE,相关系数 (r) 和R平方等指标评估插值准确度.
主要成果:
- 与最小曲率相比,普通Kriging在插入重力数据方面表现出卓越的性能.
- 这两种插值方法都显示了高度数据集的可比结果.
- 精度评估证实了普通Kriging在捕获重力异常信号方面的优势.
结论:
- 普通Kriging是主要埃塞俄比亚裂中潜在的场重力研究的推方法.
- 准确的插值对于理解数据稀疏,活跃的构造区中的地质异常至关重要.
- 这些发现有助于在具有挑战性的地形中改进地质物理数据处理.
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