Question

Почему при 200 мм осадков в субарктисеском поясе (тундра) болото? Помогите срочно! 20 балов.​

Answer 1

Відповідь:

через багаторічну мерзлоту

Пояснення:

Answer 2

Why are there swamps in the subarctic zone (tundra) with 200 mm of precipitation?

In the subarctic zone, which includes the tundra, it may seem counterintuitive to find swamps or wetlands despite receiving only 200 mm of precipitation. However, several factors contribute to the presence of swamps in this region.

1. Permafrost: One of the key factors is the presence of permafrost, which is permanently frozen ground. Permafrost restricts the drainage of water, leading to the formation of wetlands and swamps. The frozen ground prevents water from infiltrating into the soil, resulting in poor drainage and the accumulation of water on the surface.

2. Evaporation: Despite receiving relatively low levels of precipitation, the subarctic zone experiences low evaporation rates due to the cold temperatures. This means that the water that does fall as precipitation is not quickly evaporated, leading to the accumulation of water in the form of swamps and wetlands.

3. Topography: The topography of the subarctic zone also plays a role in the formation of swamps. The region often consists of low-lying areas with shallow depressions, which can act as natural basins for water accumulation. These depressions can become waterlogged and form swamps, even with relatively low levels of precipitation.

It's important to note that while 200 mm of precipitation may seem low, the unique combination of permafrost, low evaporation rates, and topography in the subarctic zone can create conditions suitable for the formation of swamps and wetlands.

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