airborne gravity survey

简明释义

航空重力测量;

英英释义

例句

1.An airborne gravity survey can help detect changes in the Earth's gravitational field due to mining activities.

一次航空重力勘测可以帮助检测由于采矿活动引起的地球引力场变化。

2.The results of the airborne gravity survey provided valuable data for the oil exploration project.

该航空重力勘测的结果为石油勘探项目提供了宝贵的数据。

3.Using an airborne gravity survey, researchers can map subsurface geological structures more efficiently.

通过使用航空重力勘测，研究人员可以更有效地绘制地下地质结构。

4.The team conducted an airborne gravity survey to identify potential mineral deposits in the region.

团队进行了航空重力勘测以识别该地区潜在的矿产沉积。

5.The company invested in advanced technology for their airborne gravity survey operations.

公司投资于先进技术，以改善他们的航空重力勘测操作。

作文

Airborne geophysical surveys have become an essential tool in the exploration and mapping of geological features beneath the Earth's surface. Among these techniques, the airborne gravity survey stands out as a powerful method for measuring variations in the Earth's gravitational field. This survey technique involves the use of aircraft equipped with sensitive gravimeters to detect minute changes in gravity caused by the distribution of mass within the Earth. The data collected from an airborne gravity survey can provide valuable insights into subsurface structures, including mineral deposits, oil and gas reserves, and even the geological history of an area.One of the primary advantages of conducting an airborne gravity survey is its ability to cover large areas quickly and efficiently. Traditional ground-based gravity surveys can be time-consuming and labor-intensive, often requiring extensive manpower and equipment. In contrast, an airborne gravity survey can be completed in a fraction of the time, allowing geologists and researchers to gather data over vast regions in a short period. This rapid data collection is particularly beneficial in remote or difficult-to-access locations where ground surveys may not be feasible.The methodology behind an airborne gravity survey is relatively straightforward. Aircraft fly at a predetermined altitude while the gravimeter records gravitational pull at various points along the flight path. The data is then processed to create detailed maps that illustrate variations in gravity across the surveyed area. These maps can reveal important geological features, such as faults, folds, and the presence of dense rock formations that may indicate the location of mineral resources.Furthermore, the results of an airborne gravity survey can be integrated with other geophysical data, such as magnetic surveys and seismic studies, to provide a more comprehensive understanding of the subsurface geology. This multi-disciplinary approach enhances the accuracy of geological models and aids in resource exploration efforts. For instance, mining companies often rely on the insights gained from airborne gravity surveys to identify potential sites for drilling and extraction, ultimately leading to more efficient resource management.However, it is essential to acknowledge the limitations of an airborne gravity survey. While this method is effective for detecting large-scale geological features, it may not provide sufficient resolution for smaller structures. Additionally, factors such as terrain and atmospheric conditions can influence the accuracy of the measurements. Therefore, follow-up ground-based surveys are often necessary to validate the findings of an airborne gravity survey and to obtain more detailed information about specific areas of interest.In conclusion, the airborne gravity survey is a vital technique in modern geophysical exploration. Its ability to quickly gather data over extensive areas makes it an invaluable tool for geologists and resource managers alike. By providing insights into subsurface structures and geological processes, airborne gravity surveys contribute significantly to our understanding of the Earth's geology and help guide exploration efforts for natural resources. As technology continues to advance, the precision and applications of airborne gravity surveys are likely to improve, further enhancing their role in the field of geoscience.

空中地球物理勘测已成为探索和绘制地球表面下地质特征的重要工具。在这些技术中，空中重力调查作为一种强大的方法，能够测量地球重力场的变化。该调查技术使用装备有敏感重力仪的飞机来探测由地球内部质量分布引起的微小重力变化。从空中重力调查收集的数据可以为地下结构提供宝贵的见解，包括矿藏、石油和天然气储备，甚至是某个地区的地质历史。进行空中重力调查的主要优点之一是其能够快速高效地覆盖大面积区域。传统的地面重力调查可能耗时且劳动密集，通常需要大量的人力和设备。相比之下，空中重力调查可以在短时间内完成，从而使地质学家和研究人员能够在短时间内收集广阔区域的数据。这种快速数据收集在偏远或难以进入的地点尤其有利，因为地面调查可能不可行。空中重力调查背后的方法相对简单。飞机在预定高度飞行，同时重力仪记录沿飞行路径各点的重力拉力。然后对数据进行处理，以创建详细的地图，展示调查区域内重力的变化。这些地图可以揭示重要的地质特征，如断层、褶皱和可能指示矿产资源位置的致密岩层。此外，空中重力调查的结果可以与其他地球物理数据（如磁性调查和地震研究）结合，以提供对地下地质的更全面理解。这种多学科的方法增强了地质模型的准确性，并有助于资源勘探工作。例如，采矿公司通常依赖从空中重力调查中获得的见解来确定钻探和开采的潜在地点，从而最终实现更高效的资源管理。然而，必须承认空中重力调查的局限性。虽然这种方法在检测大规模地质特征方面有效，但可能无法提供足够的分辨率来识别较小的结构。此外，地形和气候条件等因素可能会影响测量的准确性。因此，通常需要后续的地面调查来验证空中重力调查的发现，并获取有关特定感兴趣区域的更详细信息。总之，空中重力调查是现代地球物理勘探中的一项重要技术。其能够快速收集广泛区域的数据，使其成为地质学家和资源管理者不可或缺的工具。通过提供对地下结构和地质过程的见解，空中重力调查对我们理解地球的地质有着重要贡献，并帮助指导自然资源的勘探工作。随着技术的不断进步，空中重力调查的精度和应用范围可能会进一步提高，从而增强其在地球科学领域的作用。