allogenic river

简明释义

外源河;

英英释义

例句

1.In geology, an allogenic river 外源河流 can significantly influence the landscape by bringing in materials from other regions.

在地质学中，外源河流可以通过从其他地区带来物质显著影响地形。

2.The study of the allogenic river 外源河流 helps us understand sediment transport in arid regions.

对外源河流的研究有助于我们理解干旱地区的沉积物输送。

3.The allogenic river 外源河流 contributes to the hydrology of the area by introducing water from distant sources.

外源河流通过引入来自远处的水源，为该地区的水文循环做出贡献。

4.Researchers are examining how allogenic rivers 外源河流 affect local ecosystems and biodiversity.

研究人员正在检查外源河流如何影响当地生态系统和生物多样性。

5.The allogenic river 外源河流 is often characterized by its origin in a different watershed than the one it flows through.

外源河流通常以其起源于与其流经的流域不同的流域为特征。

作文

The concept of an allogenic river refers to a river that originates from outside the area it flows through, typically bringing water from a different climatic region. This term is crucial for understanding various aspects of hydrology and geomorphology. An allogenic river contrasts with an autogenic river, which is fed primarily by local precipitation and groundwater. The study of these rivers provides insight into ecological dynamics, sediment transport, and landscape evolution.One of the most significant characteristics of an allogenic river is its ability to transport water across different geographic and climatic zones. For instance, in regions where rainfall is scarce, an allogenic river can provide a vital source of freshwater, supporting both wildlife and human populations. This is particularly evident in desert areas where rivers originating from mountainous regions can create lush riparian zones, fostering biodiversity that would otherwise not exist.Furthermore, the flow of an allogenic river can significantly influence the geomorphological features of the landscape it traverses. As the river carries sediments from its source, it shapes the valleys and floodplains along its path. Over time, this process can lead to the formation of various landforms, such as deltas and alluvial fans. The sediment load carried by an allogenic river can enrich the soil in surrounding areas, making them more suitable for agriculture and enhancing the productivity of the land.In terms of ecological impact, allogenic rivers play a critical role in the distribution of plant and animal species. The unique conditions created by these rivers can support diverse ecosystems that differ from those found in the surrounding areas. For example, the presence of an allogenic river can create microhabitats that are crucial for certain fish species, amphibians, and birds, which rely on the specific conditions of flowing water for reproduction and survival.Moreover, the interaction between an allogenic river and its surrounding environment can also have implications for water quality. As the river flows through different regions, it may pick up pollutants and nutrients from agricultural runoff or urban areas. Understanding the sources and impacts of these pollutants is essential for managing water resources effectively and ensuring the health of aquatic ecosystems.In conclusion, the study of allogenic rivers is essential for comprehending the complex interplay between water systems and the landscapes they shape. These rivers are not merely conduits of water; they are dynamic entities that influence ecological patterns, geological formations, and human activities. By recognizing the importance of allogenic rivers, we can better appreciate their role in sustaining life and maintaining the balance of our planet's ecosystems. Protecting these vital waterways should be a priority for conservation efforts, as they are integral to the health of both natural environments and human societies.

“外源河”这一概念指的是起源于其流经地区之外的河流，通常从不同气候区带来水源。这个术语对于理解水文学和地貌学的各个方面至关重要。“外源河”与自源河形成鲜明对比，后者主要由当地降水和地下水供给。研究这些河流有助于深入了解生态动态、沉积物运输和地貌演变。“外源河”的一个显著特征是它能够在不同的地理和气候区域之间运输水。例如，在降雨稀少的地区，“外源河”可以提供重要的淡水来源，支持野生动物和人类群体。这在沙漠地区尤为明显，来自山脉地区的河流可以创造出郁郁葱葱的湿地，促进本来不存在的生物多样性。此外，“外源河”的流动可以显著影响其流经的景观的地貌特征。当河流携带来自源头的沉积物时，它会塑造沿途的山谷和洪泛平原。随着时间的推移，这一过程可能导致各种地貌的形成，如三角洲和冲积扇。由“外源河”携带的沉积物可以丰富周围地区的土壤，使其更适合农业，提高土地的生产力。在生态影响方面，“外源河”在植物和动物物种的分布中发挥着关键作用。这些河流所创造的独特条件可以支持与周围地区不同的多样生态系统。例如，“外源河”的存在可以创造微生境，对于某些鱼类、两栖动物和鸟类至关重要，它们依赖流动水的特定条件进行繁殖和生存。此外，“外源河”与周围环境之间的相互作用也可能对水质产生影响。随着河流流经不同区域，它可能会从农业径流或城市地区带走污染物和养分。理解这些污染物的来源和影响对于有效管理水资源和确保水生生态系统的健康至关重要。总之，研究“外源河”对于理解水系统与其所塑造的景观之间复杂的相互作用至关重要。这些河流不仅仅是水的通道；它们是动态实体，影响生态模式、地质形态和人类活动。通过认识到“外源河”的重要性，我们可以更好地欣赏它们在维持生命和保持地球生态系统平衡中的作用。保护这些重要的水道应成为保护工作优先事项，因为它们对自然环境和人类社会的健康至关重要。