zenithal chart

简明释义

天顶投影海图

英英释义

A zenithal chart is a type of map or diagram that represents the Earth's surface from a vertical point of view, typically projecting the area directly beneath the observer's zenith.

天顶图是一种地图或图表,从垂直视角表示地球表面,通常将观察者天顶正下方的区域投影出来。

例句

1.During the geography class, the teacher explained how to read a zenithal chart for better understanding of topography.

在地理课上,老师解释了如何阅读天顶图以更好地理解地形。

2.In astronomy, a zenithal chart helps astronomers locate stars and constellations in the night sky.

在天文学中,天顶图帮助天文学家在夜空中定位星星和星座。

3.In meteorology, a zenithal chart can illustrate weather patterns and phenomena effectively.

在气象学中,天顶图可以有效地展示天气模式和现象。

4.The pilot referred to a zenithal chart to ensure safe navigation during the flight.

飞行员参考了一个天顶图以确保飞行过程中的安全导航。

5.The architect used a zenithal chart to visualize the sunlight exposure in the building design.

建筑师使用了一个天顶图来可视化建筑设计中的阳光照射情况。

作文

In the study of geography and cartography, various types of maps are utilized to represent the Earth's surface. One such map is known as a zenithal chart, which serves a specific purpose in visualizing geographical information. A zenithal chart (天顶图) is a type of map projection that displays the Earth's surface from a specific point above it, typically from a vertical perspective. This unique representation allows for an accurate depiction of areas surrounding the point of view, making it especially useful for certain applications.The primary advantage of a zenithal chart lies in its ability to show true directions and distances from the center point of the projection. Unlike other map projections, which may distort shapes or sizes, a zenithal chart maintains the integrity of angles, making it an excellent choice for navigation and air travel. Pilots often rely on zenithal charts to determine their flight paths, as these charts provide a clear representation of the airspace around them.Furthermore, zenithal charts can be utilized in various fields beyond aviation. For instance, urban planners may use these charts to analyze the spatial layout of cities and regions. By focusing on a central point, they can better understand how different areas relate to one another, facilitating effective planning and development strategies. Similarly, environmental scientists might employ zenithal charts to assess land use patterns, natural resources, and ecological systems from a bird's-eye view.One notable feature of zenithal charts is their versatility. They can be created in different forms, including polar, equatorial, and oblique projections. Polar zenithal charts focus on the North or South Pole, providing insights into the Arctic or Antarctic regions. Equatorial projections, on the other hand, emphasize areas near the equator, making them ideal for studying tropical climates. Oblique zenithal charts offer a tilted perspective, allowing for a more comprehensive view of a specific region while still maintaining the benefits of the zenithal projection.Despite their advantages, it is essential to recognize the limitations of zenithal charts. While they excel at representing areas near the center point, regions further away may appear distorted or compressed. This limitation can lead to misinterpretations if users are not aware of the projection's inherent characteristics. Therefore, it is crucial for cartographers and map users alike to understand the context in which a zenithal chart is being used.In conclusion, the zenithal chart (天顶图) is a valuable tool in the field of cartography, providing a unique perspective on the Earth's surface. Its ability to accurately depict directions and distances from a central point makes it indispensable for navigation and urban planning. However, users must remain mindful of its limitations to ensure accurate interpretations. As technology continues to advance, the application of zenithal charts will likely expand, offering new insights into our understanding of the world around us.

在地理和制图学的研究中,各种类型的地图被用来表示地球表面。其中一种地图被称为天顶图,它在可视化地理信息方面发挥着特定的作用。天顶图是一种地图投影,从其上方的特定点展示地球表面,通常是从垂直角度进行展示。这种独特的表现方式能够准确地描绘出观察点周围的区域,使其在某些应用中尤为有用。天顶图的主要优势在于它能够显示从投影中心点到其他地方的真实方向和距离。与其他地图投影不同,天顶图保持了角度的完整性,因此在导航和航空旅行中是一个极好的选择。飞行员常常依赖于天顶图来确定他们的飞行路径,因为这些图表提供了周围空域的清晰表示。此外,天顶图还可以用于航空以外的多个领域。例如,城市规划者可能会使用这些图表来分析城市和地区的空间布局。通过专注于中心点,他们可以更好地理解不同区域之间的关系,从而促进有效的规划和发展策略。同样,环境科学家也可能利用天顶图来评估土地使用模式、自然资源和生态系统,从鸟瞰图的角度进行观察。天顶图的一个显著特点是其多功能性。它们可以以不同的形式创建,包括极地、赤道和倾斜投影。极地天顶图关注北极或南极,提供有关北极或南极地区的见解。而赤道投影则强调靠近赤道的区域,使其成为研究热带气候的理想选择。倾斜天顶图提供了一种倾斜的视角,使得对特定区域的更全面的观察成为可能,同时仍然保持了天顶投影的优点。尽管有其优势,但必须认识到天顶图的局限性。虽然它们在表示中心点附近的区域时表现出色,但远离中心的区域可能会出现失真或压缩。这一局限性可能导致误解,如果用户没有意识到投影的固有特征。因此,对于制图师和地图用户来说,了解天顶图的使用背景至关重要。总之,天顶图(天顶图)是制图领域中的一种宝贵工具,提供了对地球表面的独特视角。它能够准确描绘从中心点到其他地方的方向和距离,使其在导航和城市规划中不可或缺。然而,用户必须时刻关注其局限性,以确保准确的解读。随着科技的不断进步,天顶图的应用可能会不断扩展,为我们理解周围世界提供新的见解。

相关单词

zenithal

zenithal详解:怎么读、什么意思、用法