sea level

简明释义

海平面

英英释义

例句

1.They measured the temperature changes at different points above sea level.

他们测量了不同海平面高度上的温度变化。

2.Rising sea level is a major concern for coastal communities.

上升的海平面是沿海社区的一大关注点。

3.The city is located at an elevation of 100 meters above sea level.

这个城市位于海平面以上100米的高度。

4.The hiking trail starts at 500 meters above sea level.

这条远足小径起点在海平面以上500米处。

5.Scientists predict that sea level will rise by several feet by the end of the century.

科学家预测到本世纪末，海平面将上升几英尺。

作文

Understanding the concept of sea level is crucial in various fields, including geography, environmental science, and even urban planning. The term sea level refers to the average height of the ocean's surface, measured along a shoreline. It serves as a baseline for measuring elevation and depth on Earth. When we talk about sea level, we are often referring to the mean sea level (MSL), which is calculated by averaging the high and low tides over a specific period, usually 19 years. This average is essential for understanding changes in the Earth's surface and climate.One of the most pressing issues related to sea level is climate change. As global temperatures rise, polar ice caps and glaciers melt, contributing to an increase in sea level. According to scientific studies, the sea level has risen significantly over the past century, with projections indicating that it could rise by several feet by the end of this century if current trends continue. This rise poses a severe threat to coastal communities, ecosystems, and economies worldwide.For instance, cities like Miami, New Orleans, and Jakarta face the imminent risk of flooding due to rising sea levels. Many coastal areas are already experiencing increased flooding during high tides and storms, leading to property damage and displacement of residents. Urban planners must consider these changes when designing infrastructure to ensure that it can withstand the challenges posed by rising sea levels. Measures such as building seawalls, restoring wetlands, and implementing sustainable drainage systems can help mitigate the impacts of flooding.In addition to the physical threats, rising sea levels also have social and economic implications. Communities that rely on fishing and tourism may find their livelihoods threatened as marine ecosystems change and beaches erode. Furthermore, as people are forced to relocate from flood-prone areas, there will be an increasing strain on resources in inland regions, leading to potential conflicts and social unrest.To address the challenges posed by rising sea levels, it is essential to adopt a multi-faceted approach. Governments, scientists, and communities must work together to develop comprehensive strategies that include reducing greenhouse gas emissions, investing in renewable energy, and promoting conservation efforts. Public awareness campaigns can also play a vital role in educating individuals about the importance of protecting our oceans and coastlines.In conclusion, the concept of sea level is not just a scientific measurement; it is a critical factor that influences the health of our planet and the well-being of its inhabitants. As we face the reality of climate change, understanding and addressing the implications of rising sea levels will be crucial for ensuring a sustainable future for generations to come. By taking proactive steps now, we can protect our coastal communities and preserve the delicate balance of our ecosystems.

理解海平面的概念在地理、环境科学甚至城市规划等多个领域中至关重要。术语海平面指的是沿海岸线测量的海洋表面的平均高度。它作为测量地球上高程和深度的基准。当我们谈论海平面时，我们通常指的是平均海平面（MSL），这是通过对特定时期（通常为19年）内的高潮和低潮进行平均计算得出的。这一平均值对于理解地球表面和气候变化至关重要。与海平面相关的最紧迫的问题之一是气候变化。随着全球气温上升，极地冰盖和冰川融化，导致海平面上升。根据科学研究，过去一个世纪海平面显著上升，预测如果当前趋势继续，到本世纪末可能会上升几英尺。这一上升对全球沿海社区、生态系统和经济构成严重威胁。例如，迈阿密、新奥尔良和雅加达等城市面临着由于海平面上升而导致的洪水风险。许多沿海地区已经在高潮和风暴期间经历了增加的洪水，导致财产损失和居民流离失所。城市规划者在设计基础设施时必须考虑这些变化，以确保其能够应对海平面上升带来的挑战。建设海堤、恢复湿地和实施可持续排水系统等措施可以帮助减轻洪水的影响。除了物理威胁，海平面上升还具有社会和经济影响。依赖渔业和旅游业的社区可能会发现他们的生计受到威胁，因为海洋生态系统发生变化，海滩侵蚀。此外，随着人们被迫从易受洪水影响的地区迁移，内陆地区的资源将面临越来越大的压力，可能导致冲突和社会动荡。为了应对海平面上升带来的挑战，采取多方面的方法至关重要。政府、科学家和社区必须共同努力，制定包括减少温室气体排放、投资可再生能源和促进保护工作在内的综合战略。公众意识提升活动也可以在教育个人保护我们的海洋和海岸线的重要性方面发挥重要作用。总之，海平面的概念不仅仅是一个科学测量；它是影响我们星球健康和其居民福祉的关键因素。随着我们面对气候变化的现实，理解和应对海平面上升的影响对于确保可持续的未来至关重要。通过现在采取积极步骤，我们可以保护我们的沿海社区，并维护我们生态系统的微妙平衡。