Question

Факторы формирования оврагов​

Answer 1

Ответ:

Например, хозяйственные действия человека на полях.

Объяснение:

Овраг — форма рельефа в виде относительно глубоких и крутосклонных незадернованных ложбин, образованных временными водотоками.

Причины возникновения оврагов очень разнообразны. Например, хозяйственные действия человека на полях. Оврагом также может стать пересохшее русло реки. Также овраги образуются в результате эрозийных процессов. В большинстве случаев эти процессы протекают интенсивно и в короткое время вызывают разрушение склонов оврага.  Ещё процессу развития оврагов способствуют: вырубка насаждений по склонам и в бассейне оврагов, распахивание и добыча на крутых склонах глины и песка, отсутствие регулирования поверхностного стока, особенно при наличии заброшенных рвов.  Сильное влияние на образование оврагов оказывают климатические условия, в частности холодные, продолжительные зимы с глубоким промерзанием грунта и с накоплением снежного покрова большой толщины. Все это влечет образование трещин в грунтах и их разрушение.

Answer 2

Factors Influencing the Formation of Ravines

Ravines, also known as gullies or oxbow lakes, are geological features that form due to various factors. Here are some of the key factors that contribute to the formation of ravines:

1. Erosion: Erosion is one of the primary factors that lead to the formation of ravines. It occurs when water, wind, or ice gradually wear away the surface of the land, carrying away soil and sediment. Over time, this erosion can create channels or gullies, which eventually develop into ravines.

2. Water Flow: The flow of water plays a significant role in the formation of ravines. When water flows over the land, it follows the path of least resistance, often creating channels or gullies. If the water flow is concentrated in a particular area, such as during heavy rainfall or in areas with poor drainage, it can lead to the formation of ravines.

3. Slope and Gradient: The slope and gradient of the land also contribute to the formation of ravines. Steep slopes are more prone to erosion, as gravity accelerates the movement of water and sediment. As a result, ravines are more likely to form in areas with steeper slopes.

4. Vegetation Cover: The presence or absence of vegetation can affect the formation of ravines. Vegetation helps stabilize the soil and reduces erosion by absorbing water and slowing down its flow. In areas with sparse vegetation or where vegetation has been removed, the soil is more vulnerable to erosion, increasing the likelihood of ravine formation.

5. Climate and Weather Patterns: Climate and weather patterns also play a role in the formation of ravines. Regions with heavy rainfall or frequent storms are more susceptible to erosion and the subsequent formation of ravines. Additionally, freeze-thaw cycles in colder climates can contribute to the expansion and deepening of existing ravines.

It is important to note that the formation of ravines is a complex process influenced by multiple factors. The interplay of these factors determines the size, shape, and characteristics of ravines in different regions.

I hope this information helps! Let me know if you have any further questions.