Why is the once large Aral Sea now getting smaller and smaller?

This has to do with both human-caused and natural climate changeBecauseAral SeaThe climate in the region is hot and arid all year round, so the world climate has been warming in recent years, and the water in the Aral Sea has evaporated fasterCoupled with the growing population, a large number of rivers are used for irrigation, so there are not enough rivers flowing into the Aral Sea, and the water in the Aral Sea will only become less and less, and the area will become smaller.

Speaking of the great lakes of the world,Many people's first reaction isLake Baikal, and the largest saltwater lake isCaspian Sea, Lake Baikal is not the largest freshwater lake, thoughHowever, the water storage is the largest, and the Caspian Sea is larger than many seas, and the name is also called the sea, but in fact the Caspian Sea is a saltwater lake, and the area of the Caspian Sea is larger than that of JapanFor example, the Aral Sea, at its peak, could reach an area of about 60,000 square kilometers, which is equivalent to today'sNingxia Autonomous RegionBut look at today's satellite maps.

It seems that the Aral Sea is getting smaller and smaller, and it is still drying up.

The reason why the Aral Sea is getting smaller and smaller is mainly related to both natural causes and human activities, first of all, natural causesBecause the Aral Sea is located in the West Asian region, the climate itself is relatively hot and arid, and now the climate is getting warmer and warmer, so the water in the Aral Sea is gradually evaporatingAs a result, the area of the Aral Sea began to shrink, including some rivers that flow into the Aral Sea, there are not many rivers, so there is not enough water to fill inThe Aral Sea will not be able to return to its original size, and the artificial reason is that the lakes are gradually disappearing from the face of the face because of the increasing population and the continuous expansion of agricultural production.

Most of the water in the rivers is used to irrigate crops, so there is no new water coming in from the Aral SeaAnd human activities are also very damaging to the surface of the earth, once the soil and water are lostThe water in the Aral Sea will only be less and not more, so this is actually related to human activitiesIncluding climate warming.

It is also because of the large number of human beings and industrialization, of course, many people are now paying more and more attention to the protection of the Aral Sea, if they do not pay attention to it now, maybe this world-class saltwater lake will really disappear from the world in the future.

Because the sea is polluted, it affects its ability to heal itself, and there is not as much precipitation, so it becomes smaller.

This is mainly due to the lack of precipitation and the fact that people in the surrounding area divert water from the river for irrigation, which reduces the amount of water flowing into the Aral Sea.

The Aral Sea is fed by the Amu Darya and Syr Darya rivers, which used to carry 60 cubic kilometres of water per year, but now only 5 cubic kilometres of water enter the lake each year. Scientists point out that 35 cubic kilometers of water need to flow into the lake every year to keep the surface of the Aral Sea from shrinking. The amount of water coming in is so small, it is no wonder that the Aral Sea does not shrink!

Aral SeaThere are two main reasons for the shrinking area: one is natural causes, climate warming.

This leads to high evaporation and a decrease in the amount of river water flowing into the Aral Sea in the upper reaches; The second is man-made causes, such as the expansion of agricultural production due to population growth, the reduction of the amount of water flowing into the Aral Sea due to the diversion of river water for irrigation, and the destruction of surface vegetation by human activities.

Reasons for the shrinking area of the Aral Sea.

The Aral Sea, also known as the Alahai Sea, is the fourth largest lake in the world and is located in Central Asia.

Regions: Kazakhstan and Uzbekistan.

Junction. The Aral Sea is a saltwater lake that relies mainly on the Amu Darya River.

and replenishment of the volume of water in the Syr Darya. Today, however, the Amu Darya River has largely ceased to flow into the Aral Sea, resulting in a shrinking area of the Aral Sea. As the water level continues to drop, the Aral Sea is mainly divided into two bodies of water, the South Aral Sea and the North Aral Sea.

At present, most of the South Aral Sea has dried up and disappeared, but the area of the bridge-type North Aral Sea has largely recovered.

In recent years, the Aral Sea has been shrinking in size for two reasons, natural and man-made, but in fact natural causes are also related to humans. The increase in human numbers has led to an increase in human activity, which has led to global warming.

Evaporation is abundant, resulting in a decrease in the amount of river water flowing into the Aral Sea. In addition, the destruction of the environment and the excessive exploitation of nature by human beings have reduced the amount of water flowing into the Aral Sea. As a result, the Aral Sea has been shrinking in size over the years.

1. There are two main reasons for the shrinking area of the Aral Sea: first, natural causes, climate warming leads to vigorous evaporation, and the amount of water flowing into the Aral Sea decreases;

2. The second is man-made causes, the increase in population leads to the expansion of agricultural production, the diversion of river water for irrigation leads to a decrease in the amount of water injected into the Aral Sea, and the destruction of surface vegetation by human activities.

Causes: Deep inland, precipitation is scarce, and evaporation is vigorous; more infiltration; The expansion of the cotton fields and the diversion of irrigation from the Amu Darya and Syr Darya rivers have reduced the runoff of rivers flowing into the Aral Sea.

Impact: The Aral Sea area decreases, the water storage decreases, and its function of regulating climate decreases, resulting in an increase in the annual temperature range and an aggravation of the wind effect. At the same time, a large area of salt desert is formed after the lake bottom is exposed, and the dust with high salt content in the salt desert is lifted by the wind, forming a very harmful salt dust storm.

Area reduction: global warming, evaporation is abundant; The upper reaches of the Amu Darya and Syr Darya rivers are overused, resulting in insufficient water supply to the lakes; Excessive use of Aral Sea lake water for cropping and aquaculture.

Impacts: The air humidity near the Aral Sea decreases, the temperature difference between day and night becomes larger, and the ability of the lake to regulate the climate decreases; Difficulty in drinking water for nearby residents and livestock; It has exacerbated the desertification of land in nearby areas.

What is the main reason for the shrinking Aral Sea?

The climate has been destroyed, and groundwater has been over-exploited.

Hope I can help you, don't forget me oh, thank you!

The following four graphs show the "Evolution of the Aral Sea Area". Read the picture of the Acacia Brigade to complete the following questions. Question 1: The main reason for the decrease in the area of the Aral Sea is ( ).

Question 1: B Question 2: C Question Analysis:

Question 1: The Aral Sea is located in the arid region of Central Asia, the Amu Darya River and the Syr Darya River flow into the Aral Sea, because the river allows people on both sides of the river to divert a large amount of water for irrigation, resulting in a decrease in the amount of water flowing into the Aral Sea, and the overall water volume of the Aral Sea will decrease, and the area will inevitably decrease; Excessive evaporation and vegetation destruction will not lead to a significant reduction in the area of the Aral Sea, but can only be a secondary cause of the decline in the area of the Aral Sea, and the eastern side of the Aral Sea is already a large area of desert. Question 2:

The decrease in the area of the Aral Sea leads to a decrease in the water vapor content in the local air, a drier climate, and a more continental climate, so the annual temperature difference becomes larger, and sandstorms are frequent.

There are two main reasons for the shrinking area of the Aral Sea:1. Natural causes: climate warming, evaporation is vigorous, the amount of Aral Sea water is decreasing, and the area is shrinking; The evaporation of the water from the Hochaamu Darya and Syr Darya rivers that flow into the Aral Sea has led to a decrease in the amount of water flowing into the Aral Sea and a reduction in the area of the Aral Sea.

2. Human causes: In order to expand the scale of agricultural production, a large amount of river water has been diverted for irrigation, resulting in a decrease in the amount of water injected into the Aral Sea and a reduction in the area of the Aral Sea; Human activities have destroyed vegetation, reduced vegetation's ability to conserve water, and reduced river volumes, resulting in a decrease in the amount of water flowing into the Aral Sea and a reduction in the size of the Aral Sea.

The dangers of the shrinking Aral Sea:1) The area of the Aral Sea has shrunk and the surrounding areas have become seriously salinized, resulting in the decline of land fertility and even the loss of arable ability in large areas of cultivated land.

2) Dust storms around the Aral Sea occur frequently, which is very harmful to agricultural production and people's lives.

3) The destruction of the ecological balance of the Aral Sea may lead to the extinction of some species and the loss of biodiversity.

4) The shrinkage of the lake surface weakened the regulating effect on the climate, which aggravated the occurrence of sandstorms around the lake.