aeromagnetic anomaly

简明释义

1. 高空磁异常; 2. 航磁异常; 3. 航空磁异常;

英英释义

例句

1.The survey revealed an aeromagnetic anomaly that could be linked to ancient volcanic activity.

调查显示了一个可能与古代火山活动相关的航空磁异常。

2.The geologists discovered an aeromagnetic anomaly in the region, indicating the presence of a hidden mineral deposit.

地质学家在该地区发现了一个航空磁异常，这表明存在一个隐藏的矿藏。

3.Mapping the aeromagnetic anomaly helped scientists understand the tectonic activity in the area.

绘制航空磁异常的地图帮助科学家理解该地区的构造活动。

4.The aeromagnetic anomaly detected over the mountain range suggested significant geological changes over time.

在山脉上检测到的航空磁异常表明随着时间的推移，地质发生了显著变化。

5.By analyzing the aeromagnetic anomaly, researchers were able to identify potential oil reserves beneath the surface.

通过分析航空磁异常，研究人员能够识别出地下潜在的石油储备。

作文

In the field of geophysics, the study of the Earth's magnetic field plays a crucial role in understanding the planet's structure and composition. One significant aspect of this study is the identification and analysis of magnetic anomalies. Among these, an important term that often arises is aeromagnetic anomaly. An aeromagnetic anomaly refers to a variation in the Earth's magnetic field that is detected from an aircraft flying at a certain altitude. This phenomenon occurs due to differences in the magnetic properties of the underlying geological materials. For instance, areas with high concentrations of iron or other magnetic minerals can create distinct magnetic signatures that differ from the surrounding regions.The significance of aeromagnetic anomalies extends beyond mere academic interest; they are vital tools in mineral exploration, environmental studies, and even archaeological investigations. By mapping these anomalies, scientists can infer the presence of valuable resources such as copper, gold, and other minerals. The data collected from aeromagnetic surveys can reveal hidden geological structures, making it easier to locate potential mining sites without extensive ground exploration.Additionally, aeromagnetic anomalies have important implications for understanding tectonic processes and the history of the Earth's crust. For example, by studying these anomalies, researchers can gain insights into past volcanic activity and the formation of mountain ranges. This information is essential for constructing models of the Earth's geological evolution and predicting future geological events.In recent years, advancements in technology have significantly improved the accuracy and efficiency of aeromagnetic surveys. Modern aircraft equipped with sophisticated magnetometers can collect high-resolution data over vast areas in a relatively short time. This capability allows for more comprehensive mapping of aeromagnetic anomalies and their correlation with other geological features.Moreover, the integration of aeromagnetic data with other geophysical methods, such as gravity surveys and seismic studies, enhances our understanding of subsurface conditions. This multidisciplinary approach provides a more complete picture of the Earth's geology, which is crucial for various applications, including resource management and environmental protection.Despite the benefits, interpreting aeromagnetic anomalies can be challenging. Geologists must consider various factors, such as the depth of the source of the anomaly and the surrounding geological context. Additionally, cultural and man-made sources of magnetic interference can complicate the analysis. Therefore, accurate modeling and interpretation require a combination of field data, computer simulations, and expert knowledge.In conclusion, aeromagnetic anomalies are essential for advancing our understanding of the Earth's magnetic field and its geological implications. They serve as powerful tools for resource exploration and contribute significantly to our knowledge of the planet's history and structure. As technology continues to evolve, the study of aeromagnetic anomalies will undoubtedly play an increasingly important role in geophysical research and application, helping us uncover the mysteries of our planet beneath the surface.

在地球物理学领域，研究地球磁场在理解地球的结构和成分方面发挥着至关重要的作用。其中一个重要方面是识别和分析磁异常。在这些异常中，一个常常出现的重要术语是aeromagnetic anomaly。aeromagnetic anomaly指的是从飞行在一定高度的飞机上检测到的地球磁场的变化。这种现象是由于底层地质材料的磁性特性差异而产生的。例如，含铁或其他磁性矿物浓度较高的地区可以产生与周围地区不同的明显磁信号。aeromagnetic anomalies的意义不仅仅局限于学术兴趣；它们是矿产勘探、环境研究，甚至考古调查中的重要工具。通过绘制这些异常，科学家可以推断出铜、金等有价值资源的存在。通过航空磁力测量收集的数据可以揭示隐藏的地质结构，使得在没有广泛地面勘探的情况下更容易找到潜在的采矿地点。此外，aeromagnetic anomalies对理解构造过程和地壳历史也具有重要意义。例如，通过研究这些异常，研究人员可以深入了解过去的火山活动和山脉的形成。这些信息对于构建地球地质演化模型和预测未来的地质事件至关重要。近年来，技术的进步显著提高了航空磁力测量的准确性和效率。现代飞机配备了先进的磁力仪，可以在相对较短的时间内对广阔区域收集高分辨率数据。这种能力使得对aeromagnetic anomalies及其与其他地质特征的相关性进行更全面的绘制成为可能。此外，将航空磁力数据与重力测量和地震研究等其他地球物理方法结合起来，增强了我们对地下条件的理解。这种多学科的方法提供了对地球地质的更完整图景，这对于资源管理和环境保护等各种应用至关重要。尽管有诸多好处，但解释aeromagnetic anomalies可能具有挑战性。地质学家必须考虑多个因素，例如异常源的深度和周围的地质背景。此外，文化和人为的磁干扰源可能会使分析变得复杂。因此，准确的建模和解释需要现场数据、计算机模拟和专业知识的结合。总之，aeromagnetic anomalies对于推进我们对地球磁场及其地质含义的理解至关重要。它们作为资源勘探的强大工具，为我们对地球历史和结构的知识做出了重要贡献。随着技术的不断发展，aeromagnetic anomalies的研究无疑将在地球物理研究和应用中发挥越来越重要的作用，帮助我们揭示地球表面下的奥秘。