geoidal horizon

简明释义

地理水准面地平圈

英英释义

例句

1.Understanding the geoidal horizon (大地水准面) is crucial for accurate mapping and navigation.

理解大地水准面对于准确的制图和导航至关重要。

2.Engineers must consider the geoidal horizon (大地水准面) when designing infrastructure like bridges and tunnels.

工程师在设计桥梁和隧道等基础设施时必须考虑大地水准面。

3.The surveyor adjusted the measurements to account for the geoidal horizon (大地水准面) when calculating the elevation of the land.

测量员在计算土地的海拔时，调整了测量值以考虑到大地水准面。

4.The geoidal horizon (大地水准面) serves as a reference point for determining sea level in various geographic locations.

在不同地理位置，大地水准面作为确定海平面的基准点。

5.In geodesy, the geoidal horizon (大地水准面) helps in understanding the Earth's shape and gravitational field.

在大地测量学中，大地水准面有助于理解地球的形状和重力场。

作文

The concept of the geoidal horizon is essential in understanding the relationship between the Earth's shape and its gravitational field. The geoid itself is a model of global mean sea level that extends under the continents. It represents an equipotential surface of the Earth's gravity field, meaning that if one were to imagine a vast ocean covering the entire Earth, the surface of that ocean would correspond to the geoid. The geoidal horizon refers to the theoretical horizon that one would perceive if they were standing on this equipotential surface. This horizon is crucial for various fields such as geodesy, navigation, and even in some branches of engineering.In geodesy, which is the science of measuring and understanding the Earth's geometric shape, orientation in space, and gravity field, the geoidal horizon plays a vital role. It serves as a reference point from which elevations and depressions of the Earth's surface can be measured. When surveying land or establishing benchmarks for construction projects, professionals must consider the geoidal horizon to ensure that their measurements are accurate and reliable. Without this reference, it would be challenging to maintain consistency in height measurements across different geographical locations.Navigation systems, especially those relying on GPS technology, also depend on the understanding of the geoidal horizon. The satellites used in GPS systems calculate positions based on a mathematical model of the Earth, which includes the geoid. By accounting for the geoidal horizon, these systems can provide precise location data that is essential for everything from personal navigation apps to large-scale logistics operations. The accuracy of these systems is directly linked to how well they understand the geoid and, consequently, the geoidal horizon.In engineering, particularly in civil and environmental projects, the geoidal horizon is utilized to determine drainage patterns, flood zones, and the stability of structures. Understanding how the geoid interacts with the Earth's surface allows engineers to design buildings and infrastructures that can withstand natural forces and environmental challenges. For instance, when planning a new roadway or bridge, engineers must consider how the geoidal horizon will influence water runoff and soil stability. Ignoring this aspect could lead to catastrophic failures in construction projects.Moreover, the geoidal horizon has implications in the study of climate change and sea-level rise. As global temperatures increase, melting ice caps and glaciers contribute to rising sea levels, which can alter the shape of the geoid over time. Researchers studying these changes must take into account the shifting geoidal horizon to predict future impacts on coastal communities and ecosystems. This understanding is crucial for developing effective strategies to mitigate the effects of climate change.In conclusion, the geoidal horizon is a fundamental concept that intersects various scientific disciplines. Its significance in geodesy, navigation, engineering, and environmental studies underscores the importance of accurately understanding the Earth's shape and gravity field. As technology continues to advance, the relevance of the geoidal horizon will only grow, highlighting the need for continued research and education in this area. By grasping the intricacies of the geoidal horizon, we can better navigate our world and address the challenges it presents, ensuring a more sustainable future for generations to come.

“地球水准面视界”的概念在理解地球形状与重力场之间的关系时至关重要。地球水准面本身是全球平均海平面的模型，它延伸到大陆之下。它代表了地球重力场的等势面，这意味着如果想象一个覆盖整个地球的巨大海洋，那么这个海洋的表面将对应于地球水准面。“地球水准面视界”指的是如果站在这个等势面上所感知的理论视界。这个视界对于测地学、导航甚至某些工程分支等多个领域都是至关重要的。在测地学中，测量和理解地球几何形状、空间方向和重力场的科学，“地球水准面视界”发挥着重要作用。它作为一个参考点，用于测量地球表面的高低起伏。当对土地进行勘测或建立建筑项目的基准时，专业人员必须考虑“地球水准面视界”，以确保他们的测量准确可靠。如果没有这个参考，保持不同地理位置的高度测量一致性将变得困难。导航系统，特别是依赖GPS技术的系统，也依赖于对“地球水准面视界”的理解。用于GPS系统的卫星根据地球的数学模型计算位置，其中包括地球水准面。通过考虑“地球水准面视界”，这些系统能够提供精确的位置数据，这对于从个人导航应用到大规模物流操作都是至关重要的。这些系统的准确性直接与它们对地球水准面及其相应的“地球水准面视界”的理解程度相关。在工程领域，尤其是在土木和环境项目中，“地球水准面视界”被用来确定排水模式、洪水区域和结构的稳定性。理解地球水准面如何与地球表面相互作用使工程师能够设计能够抵御自然力量和环境挑战的建筑物和基础设施。例如，在规划新的公路或桥梁时，工程师必须考虑“地球水准面视界”将如何影响水流和土壤稳定性。忽视这一点可能导致建设项目的灾难性失败。此外，“地球水准面视界”在气候变化和海平面上升的研究中也具有重要意义。随着全球温度的上升，冰盖和冰川的融化导致海平面上升，这可能会随着时间的推移改变地球水准面的形状。研究这些变化的研究人员必须考虑不断变化的“地球水准面视界”，以预测未来对沿海社区和生态系统的影响。这种理解对于制定有效的应对气候变化的策略至关重要。总之，“地球水准面视界”是一个基本概念，涉及多个科学学科。它在测地学、导航、工程和环境研究中的重要性强调了准确理解地球形状和重力场的必要性。随着技术的不断进步，“地球水准面视界”的相关性只会增加，这突显了在这一领域继续研究和教育的必要性。通过掌握“地球水准面视界”的复杂性，我们可以更好地导航我们的世界，并应对它所带来的挑战，为未来几代人确保一个更可持续的未来。