eustatic

简明释义

英[juːˈstætɪk]美[jʊˈstætɪk]

adj. 海面升降的

英英释义

单词用法

同义词

反义词

例句

1.World-wide glacial event in an ice age not only contributes to eustatic sea level changes but also penetrates to the shelf carbonate environments and sedimentation coeval low latitude area.

冰期中的全球性冰川事件不仅对全球性海平面变化，而且对低纬陆棚碳酸盐环境的沉积作用也有重要影响。

2.Eustatic cycle is the interval of time during which a eustatic rise and fall of sea level takes place.

全球性海面升降周期是发生一次海平面升和降的时间间隔。

3.Community response: Each eustatic cycle will result in reorganization of benthic Marine communities, forming a new biotic assemblage.

群落响应：每一个海平面变化旋回都要产生底栖海相群落的重组，形成新的生物组合。

4.Compared with the global change of sea level, the eustatic cycle of Lower Yangtze area is somewhat different because of its particularity.

与全球海平面变化相比，下扬子区的海平面升降旋回有所不同，有其特殊性。

5.Since then there has occurred complex land sea interaction between the Yangtze River, Yellow River, Luanhe River and transgressions caused by the eustatic changes.

自此以后，长江、黄河及滦河与全球海洋水圈变化引起的海侵发生了复杂的陆海相互作用。

6.The formation and the texture of "Shilaoren" rock column have been analysed in geological structure, feature of rock, geomorphic origin and eustatic change in this paper.

本文应用地质构造、岩性特征、地貌成因及海面升降变化等资料，综合分析了“石老人”的形成及其岩体结构类型。

7.World-wide glacial event in an ice age not only contributes to eustatic sea level changes but also penetrates to the shelf carbonate environments and sedimentation coeval low latitude area.

冰期中的全球性冰川事件不仅对全球性海平面变化，而且对低纬陆棚碳酸盐环境的沉积作用也有重要影响。

8.The concept of eustatic sea level changes is crucial for understanding coastal erosion.

理解海岸侵蚀的关键在于对等静态海平面变化的概念。

9.The eustatic rise in ocean levels can lead to flooding in low-lying areas.

海洋水平的等静态上升可能导致低洼地区的洪水。

10.Researchers are studying eustatic variations to predict future climate impacts on sea levels.

研究人员正在研究等静态变化，以预测未来气候对海平面的影响。

11.Understanding eustatic changes helps geologists assess past climate conditions.

理解等静态变化有助于地质学家评估过去的气候条件。

12.The eustatic component of sea level change is influenced by ice melt and thermal expansion.

海平面变化的等静态成分受冰融化和热膨胀的影响。

作文

The concept of eustatic changes is crucial in understanding the dynamics of sea level fluctuations over geological time. eustatic refers to global changes in sea level that are caused by variations in the volume of water in the oceans or changes in the shape of the ocean basins. These changes can occur due to several factors, including melting ice caps, thermal expansion of seawater due to rising temperatures, and tectonic activity that alters the capacity of ocean basins.To illustrate the importance of eustatic changes, consider the last Ice Age, which saw significant fluctuations in sea levels. During glacial periods, large volumes of water were trapped in ice sheets, leading to lower sea levels. Conversely, during interglacial periods, the melting of these ice sheets resulted in a rise in sea levels. This phenomenon is a classic example of eustatic change, as it demonstrates how global climatic conditions can directly impact sea levels.Moreover, understanding eustatic changes is essential for coastal management and urban planning. As global temperatures continue to rise due to climate change, the potential for eustatic sea level rise poses a threat to coastal communities around the world. Cities like Miami, New Orleans, and Bangkok are already experiencing the effects of rising seas, which can lead to increased flooding, erosion, and saltwater intrusion into freshwater supplies.Researchers use various methods to study eustatic changes, including satellite altimetry, tide gauges, and geological records. Satellite altimetry provides precise measurements of sea surface height, allowing scientists to monitor changes in sea level over time. Tide gauges, on the other hand, have been used for centuries to measure local sea level changes, although they may not account for eustatic changes accurately due to regional factors such as land subsidence or uplift.Geological records, such as sediment cores from the ocean floor, offer insights into past sea level changes and can help predict future trends. By analyzing these records, scientists can better understand the relationship between climate change and eustatic sea level rise, which is critical for developing effective mitigation strategies.In conclusion, the term eustatic encompasses the global changes in sea level that are influenced by a variety of environmental factors. As we face the challenges of climate change, recognizing the implications of eustatic changes becomes increasingly important. Coastal cities must adapt to the realities of rising sea levels, and researchers must continue to study these phenomena to inform policy decisions and protect vulnerable populations. The understanding of eustatic changes is not just an academic pursuit; it has real-world implications for millions of people living in coastal regions around the globe.

“eustatic”一词的概念对于理解地质时间内海平面波动的动态至关重要。eustatic指的是由于海洋水量变化或海洋盆地形状变化引起的全球海平面变化。这些变化可能由多种因素造成，包括冰盖融化、由于温度上升导致海水热膨胀，以及改变海洋盆地容量的构造活动。为了说明eustatic变化的重要性，可以考虑上一个冰河时期，这一时期海平面经历了显著波动。在冰川期，大量水被困在冰盖中，导致海平面下降。相反，在间冰期，这些冰盖的融化导致海平面上升。这一现象是eustatic变化的经典例子，因为它展示了全球气候条件如何直接影响海平面。此外，理解eustatic变化对于沿海管理和城市规划至关重要。随着全球温度因气候变化持续上升，eustatic海平面上升的潜力对全球沿海社区构成威胁。迈阿密、新奥尔良和曼谷等城市已经在经历海平面上升的影响，这可能导致洪水、侵蚀以及淡水供应的盐水入侵等问题。研究人员使用多种方法来研究eustatic变化，包括卫星高度计、潮汐计和地质记录。卫星高度计提供海面高度的精确测量，使科学家能够监测海平面的变化。另一方面，潮汐计已被使用了几个世纪来测量局部海平面变化，尽管由于土地沉降或抬升等区域因素，它们可能无法准确反映eustatic变化。来自海洋底部的沉积物核心等地质记录为过去的海平面变化提供了见解，并可以帮助预测未来趋势。通过分析这些记录，科学家可以更好地理解气候变化与eustatic海平面上升之间的关系，这对于制定有效的减缓策略至关重要。总之，eustatic这一术语涵盖了受多种环境因素影响的全球海平面变化。随着我们面临气候变化的挑战，认识到eustatic变化的影响变得愈发重要。沿海城市必须适应海平面上升的现实，研究人员必须继续研究这些现象，以告知政策决策并保护脆弱人群。对eustatic变化的理解不仅仅是学术追求；它对全球生活在沿海地区的数百万人有着切实的影响。