orographic rain

简明释义

地形雨

英英释义

例句

1.The mountain range experienced significant orographic rain, leading to lush vegetation on the windward side.

这座山脉经历了显著的地形降雨，导致迎风坡上植被茂盛。

2.The unique geography of the area creates ideal conditions for orographic rain to develop.

该地区独特的地理条件为地形降雨的发展创造了理想条件。

3.During the winter, the region often sees heavy orographic rain that can cause flooding.

冬季，该地区经常会出现大量的地形降雨，可能导致洪水。

4.Farmers in the valley rely on orographic rain to irrigate their crops during the dry season.

山谷中的农民依靠地形降雨在干旱季节为作物灌溉。

5.Meteorologists predict that the incoming storm will bring orographic rain to the coastal mountains.

气象学家预测即将到来的风暴将给沿海山脉带来地形降雨。

作文

Orographic rain is a fascinating meteorological phenomenon that occurs when moist air rises over a mountain range. This process is crucial for understanding regional climates and ecosystems. When air encounters a mountain, it is forced to ascend, leading to a drop in temperature. As the air rises, it cools, and the moisture it carries condenses into clouds. Eventually, this condensation results in precipitation, commonly known as orographic rain (山地降雨). The amount of rainfall can vary significantly depending on several factors, including the altitude of the mountain, the prevailing wind patterns, and the moisture content of the air.In many regions around the world, orographic rain plays a vital role in sustaining local agriculture and water supply. For instance, the western slopes of the Sierra Nevada mountains in California receive substantial amounts of precipitation due to this phenomenon. The moist air from the Pacific Ocean rises over the mountains, resulting in heavy rainfall on the windward side. Conversely, the leeward side, often referred to as the rain shadow, experiences significantly less precipitation, creating arid conditions. This stark contrast illustrates how orographic rain can shape the landscape and influence human activities.Understanding orographic rain is also essential for predicting weather patterns and preparing for natural disasters. In regions prone to heavy rainfall, such as the Pacific Northwest of the United States, forecasters monitor moisture-laden air masses that approach mountains. If conditions are right, these air masses can lead to intense rainfall, which may result in flooding or landslides. By studying orographic rain, meteorologists can provide better warnings and help communities prepare for potential hazards.Additionally, orographic rain is not limited to mountainous regions. It can also occur in hilly areas or even in places with modest elevation. For example, the Appalachian Mountains in the eastern United States experience similar rainfall patterns. The interaction between the moist air and the terrain creates localized weather systems that can significantly impact the environment.The ecological implications of orographic rain are profound. Many forests and vegetation types thrive in regions where this type of precipitation is prevalent. The lush greenery found on the windward slopes of mountains is primarily due to the abundant moisture provided by orographic rain. In contrast, the rain shadow regions often have different ecosystems, such as deserts or grasslands, that have adapted to the drier conditions. This diversity highlights the importance of orographic rain in maintaining biodiversity and supporting various habitats.In conclusion, orographic rain is a critical element of our planet's weather systems and has far-reaching effects on local climates, ecosystems, and human activities. By understanding how this phenomenon works, we can better appreciate the intricate connections between geography and weather, and the impact they have on our environment. As climate change continues to alter weather patterns globally, studying orographic rain will be increasingly important for managing water resources and mitigating the effects of extreme weather events.