Airy-Heiskanen reduction

简明释义

艾里—海斯堪宁校正;

英英释义

例句

1.In order to achieve accurate results, the team used the Airy-Heiskanen reduction method during their geological survey.

为了获得准确的结果，团队在地质调查中使用了Airy-Heiskanen reduction方法。

2.The Airy-Heiskanen reduction is essential for interpreting gravity anomalies over mountainous regions.

在对山区的重力异常进行解释时，Airy-Heiskanen reduction是必不可少的。

3.By employing the Airy-Heiskanen reduction, researchers were able to isolate the effects of geological structures.

通过采用Airy-Heiskanen reduction，研究人员能够隔离地质结构的影响。

4.The geophysicists applied the Airy-Heiskanen reduction to correct for topographic effects in their gravity data.

地球物理学家应用了Airy-Heiskanen reduction来修正重力数据中的地形影响。

5.The accuracy of our gravity measurements improved significantly after applying the Airy-Heiskanen reduction.

在应用Airy-Heiskanen reduction后，我们的重力测量精度显著提高。

作文

The concept of Airy-Heiskanen reduction is vital in the field of geodesy and geophysics, particularly when it comes to understanding the Earth's gravitational field and its variations. This reduction technique is named after two prominent figures in the field, George Biddell Airy and Erik Heiskanen, who contributed significantly to the theoretical foundations of gravity measurements. The Airy-Heiskanen reduction serves as a method to adjust observed gravity values to a reference level, which is crucial for accurate geophysical interpretations. In practical terms, the Airy-Heiskanen reduction involves correcting gravity measurements taken at different elevations to a common reference surface, usually the geoid. The geoid represents the mean sea level across the globe and serves as a baseline for various geophysical calculations. By applying this reduction, scientists can eliminate the discrepancies caused by the varying heights of measurement stations, thus ensuring that the data reflects true gravitational variations due to subsurface geological structures rather than mere elevation differences.This reduction is particularly important in areas where there are significant topographical changes, such as mountainous regions or deep valleys. In these locations, the gravitational pull can vary greatly not only due to the mass distribution within the Earth but also because of the elevation of the measurement point. Without the Airy-Heiskanen reduction, gravity data collected from different altitudes would lead to misleading conclusions about the underlying geology.Moreover, the Airy-Heiskanen reduction is also essential in the context of satellite geodesy. Satellites measure gravity anomalies from space, and these measurements must be corrected for the altitude at which the satellite orbits. By applying the Airy-Heiskanen reduction, researchers can translate satellite data into meaningful information about the Earth's interior, helping to map out subsurface features such as mineral deposits, oil reservoirs, and fault lines.In summary, the Airy-Heiskanen reduction is a fundamental process in geodesy that enhances the accuracy of gravity measurements by adjusting for elevation differences. Its applications extend from traditional ground-based measurements to modern satellite observations, making it an indispensable tool in the study of the Earth's gravitational field. Understanding this reduction technique not only aids in the interpretation of gravity data but also contributes to broader geological and geophysical research, ultimately enriching our knowledge of the Earth's structure and dynamics.

“Airy-Heiskanen reduction”这个概念在大地测量和地球物理学领域至关重要，特别是在理解地球的引力场及其变化时。这个减缩技术以两位杰出人物的名字命名，乔治·比德尔·艾里和埃里克·海斯卡宁，他们对重力测量的理论基础做出了重大贡献。Airy-Heiskanen reduction作为一种方法，用于将观测到的重力值调整到参考水平，这对于准确的地球物理解释至关重要。在实际操作中，Airy-Heiskanen reduction涉及将不同海拔高度下获取的重力测量值校正到一个共同的参考面，通常是大地水准面。大地水准面代表全球的平均海平面，作为各种地球物理计算的基线。通过应用这种减缩，科学家可以消除由于测量站高度不同而导致的差异，从而确保数据反映的是由于地下地质结构引起的真实引力变化，而非单纯的高度差异。这种减缩在地形变化显著的地区尤其重要，例如山区或深谷。在这些地方，由于地球内部的质量分布以及测量点的高度，引力的作用可能会有很大差异。如果没有Airy-Heiskanen reduction，从不同海拔高度收集的重力数据将导致对地下地质的误导性结论。此外，Airy-Heiskanen reduction在卫星大地测量的背景下也至关重要。卫星从太空测量引力异常，这些测量必须针对卫星轨道的高度进行校正。通过应用Airy-Heiskanen reduction，研究人员可以将卫星数据转化为有关地球内部的有意义信息，帮助绘制出地下特征如矿藏、油田和断层线。总之，Airy-Heiskanen reduction是大地测量中的一个基本过程，通过校正海拔差异来提高重力测量的准确性。它的应用从传统的地面测量扩展到现代卫星观测，使其成为研究地球引力场不可或缺的工具。理解这一减缩技术不仅有助于对重力数据的解释，还促进了更广泛的地质和地球物理研究，最终丰富了我们对地球结构和动态的认识。