Australia is so close to the water, how can it still be a desert?

Australia is a large continent (and arguably the largest island in the world) with 7,692,000 square kilometers, although it is surrounded by the sea, but its land area is too large, and it is difficult for humid ocean currents to reach there, so there is little precipitation, so it is difficult to form large rivers, so Australia is short of water. Although the sea area is vast, seawater is not fresh water and cannot be used directly.

Attached map (there is also a cold snap on the west coast of Australia, the cold snap cools down and dehumidifies, so the desert zone goes all the way to the coast).

It is mainly the lack of water in the continental region.

Because it is controlled by the subtropical high desert climate.

And the southeast, southwest, and northeast are all relatively wet.

Australia is surrounded by seawater, and the lack of water depends on the amount of rainfall, Australia is in a place where northeast and southeast winds prevail (this is determined by the pressure zone where he is located), but he has a mountain range called the Great Wind Ridge in the east of the continent, and the warm and humid air currents are lifted to prevent precipitation from being east of the Great Wind Range, and it is only a small part of Australia.

Deserts are always formed in places where continental winds blow all year round, and the so-called continental wind means that the wind blows from the land to the sea.

Australia has a large number of deserts mainly due to the following reasons:

1.Topography: Most of Australia is highlands and plains that lack large amounts of water. This has led directly to large areas of desert and semi-desert areas.

2.Climate: Australia is located between the tropics and temperate zones, with uneven precipitation and frequent droughts and heat waves. This dry and hot climate makes deserts more common.

3.Earth activity: Over millions of years of geological evolution, Australia has experienced crustal movements, volcanoes, and earth activities that have indirectly led to land subsidence, the uplift of mountain ranges, and the diversion of rivers.

All of this has led to drought and desertification of large swathes of Australia.

Because the Tropic of Cancer passes through the central part of Australia, the central and western regions of Australia are controlled by the subtropical high pressure zone all the year round, and the prevailing downdraft and scarce precipitation are scarce.

1. The Tropic of Cancer passes through central Australia, most of which is located in the subtropical high pressure zone, dominated by downdrafts, except for the windward slope of the eastern mountains, where precipitation is scarce in the central and western coasts of the continent

2. The eastern mountains block the warm and humid air flow of the Pacific Ocean from going deeper to the west 3. Affected by the cold current of Western Australia flowing through the west coast of the continent Although Australia is surrounded by the sea, it is also a continent, and the cause of the desert climate is the same as that of the desert at the same latitude: it is located north of the Tropic of Capricorn and is controlled by the subtropical high, which prevails in the downdraft, and there is a cold current in Western Australia on the west coast. Australia's climate type is distributed in a semi-circular pattern.

The vast majority of desert ranges in Australia are not due to land degradation, but are inherently part of desert natural zones, which are due to natural conditions.

Because the Tropic of Cancer passes through the central part of Australia, the central and western regions of Australia are controlled by the subtropical high pressure zone all the year round, and the prevailing downdraft and scarce precipitation are scarce.

Because there are many mountains in eastern Australia, the warm air will generate terrain when climbing, so the rainfall near the east coast of the local area is very large; And the northeast belongs to the tropical rainforest climate, with a lot of rainfall. In the west, it is located on a plateau, and the cold snap in the west penetrates deep inland, thus affecting the interior and causing a decrease in precipitation. In addition, under the influence of the subtropical high pressure, the climate is hot and dry, and there are naturally many deserts.

As a result, there is more rain in the east of Australia, forming cities, while in the west there is less rainfall, resulting in deserts.

Australia is surrounded by the ocean, so it is almost untouched by other land, and it is also arid and has little evaporation, which further exacerbates the drought and expands the desert.

Because there are many mountains in the eastern part of Australia, which block the entry of water vapor, and the cold air prevails in the west, which is not conducive to the formation of rainfall conditions, although Australia is surrounded by the ocean, it still forms a very large desert area.

Because Australia is located in the tropics, it is normal to say that there are deserts, and the area is large.

Although it has a large area of ocean, because most of it is seawater, it is not rich in fresh water resources, which leads to the creation of deserts.

The area of Australia is also very large, it is normal to have deserts, and the local people have seriously damaged the ecological environment, and the development of various minerals and trees is very large, causing environmental damage.

The Australian Desert is the largest desert in Australia and the fourth largest desert in the world, which is composed of four parts: the Great Sandy Desert, the Victoria Desert, the Gibson Desert, and the Simpson Desert. The Australian Desert is located in the southwestern part of Australia and covers an area of about 1.55 million square kilometers. Rain is scarce and drought is unusual.

The maximum temperature in summer can reach 50 degrees Celsius. Because there are no tall trees to stop it, the wind roars over the desert all day long. The wind is the only sound here.

Anyone would think this is a dead land, but in 1973, an Australian botanist named Frannery was traveling on a motorcycle and discovered that about 3,600 species of plants thrive in the desert. If measured per unit area, species diversity far exceeds that of the tropical rainforests of South America. Hence the discoverers who called it the Desert Garden.

The plants that grow here have very little need for water and nutrients.