Geography of deserts

Other species are a woody perennial Calligonum comosum and annual herbs such as Danthonia forskallii Climate[ edit ] The Arabian Desert has a subtropicalhot desert climateclose to the climate of the Sahara Desertthe world's largest hot desert.

The desert is home to a variety of animals including lizards, snakes, the Mojave ground squirrel, rabbits, pronghorns, scorpionsand the kangaroo rat. There are four major types of desert in this biome - hot and dry, semiarid, coastal, and cold.

The vegetation does not grow very tall so the desert biome can only accommodate small animals, rodents, and reptiles. Transverse dunes run at a right angle to the prevailing wind direction.

Known as the only part of North America to have been permanently elevated above sea level, there is an abundance of timber and minerals ore available throughout. Their spines protect them from being eaten by animals and their waxy outer covering keeps moisture from escaping.

The Chihuahuan desert has small cacti; succulent agaves Agave spp. The northern third of Sinai is a flat, sandy coastal plain, which extends from the Suez Canal into the Gaza Strip and Israel. Other landforms include plains largely covered by gravels and angular boulders, from which the finer particles have been stripped Geography of deserts the wind.

In fact, the few species that are found in this habitat have made some remarkable adaptations. When these are extensive, they are known as sand seas or ergs.

For perennial plants, reproduction is more likely to be successful if the seed germinates in a shaded position, but not so close to the parent plant as to be in competition with it. More on US geographical features: There are other perennial rivers, mostly draining to the north and west.

Such dryness remains very rare throughout the desert, however. Most of the Sonoran Desert to the west has a bimodal rainfall regime with spring and summer peaks.

Death Valley, on the other hand, is the hottest place in the United States with a world record high temperature of degrees F and an average annual rainfall of less than 2 inches. Although the daytime temperatures of the desert biome are very hot, they can get very cold at night.

It is one of the most oil-rich places in the world. The origin of the trench can be traced back to the beginning of the Tertiary period. Steep rocky cliffs rise along the banks of the Nile in some stretches, while other areas along the Nile are flat, with space for agricultural production.

The average annual deposit of arable soil through the course of the river valley amounted to some nine metres. We have no control over which sites are blocked by your school's network filter.

Types of Landforms

There are mountains in the desert with wide valleys. North America Map References: Flora and Fauna Several thousand varieties of tropical plants grow in Puerto Rico, including the kapok tree "Ceiba" with its thick trunk, the poinciana a prickly tropical shrub with brilliant reddish blossomsthe breadfruit, and the coconut palm.

Deserts are areas of the world that are extremely dry. As the wind blows, saltation and creep take place on the windward side of the dune and individual grains of sand move uphill. By after all of Sinai was returned to Egypt, the central government divided the peninsula into two governorates.

Birds have avoided the problem of losing heat through their feet by not attempting to maintain them at the same temperature as the rest of their bodies, a form of adaptive insulation.

Parallel faulted blocks are separated by alluvial bajadas broad, debris-covered slopespediments and plains, which become wider approaching the coast. In the dry southwestern corner of Puerto Rico are cactus and bunch grass. Most shrubs have spiny leaves and shed them in the coldest part of the year.

In the north, near the coast, the Nile delta embraces a series of salt marshes and lakesthe most notable among which are IdkuAl Burullusand Manzilah. The Sonoran Desert includes most of the Baja California Peninsula, together with the western part of the state of Sonora.

Some deserts are so hot that when it rains, the water evaporates in the air before ever hitting the ground. Not only do they require food and water but they also need to keep their body temperature at a tolerable level. The Nile delta consists of flat, low-lying areas. Deep oceans waters fringe Puerto Rico.

In "eolian deflation", the wind continually removes fine-grained material, which becomes wind-blown sand.

Kalahari Desert

The valleys can get extremely hot during the summer.Play a Geography Quiz on Sporcle, the world's largest quiz community. Test your knowledge with over 4, fun Geography Quizzes. Physical geography game- online game for learning the names of the great deserts, mountains and rivers of the World from the Digital Dialects Geography website.

Geography of Egypt

Free to use geography quiz for kids to learn geography. A desert is a barren area of landscape where little precipitation occurs and consequently living conditions are hostile for plant and animal life.

The lack of vegetation exposes the unprotected surface of the ground to the processes of one third of the land surface of the world is arid or semi-arid. This includes much of the polar regions where little precipitation occurs and.

Learn interesting facts about landforms with this interactive media article for kids. We all know that one – fourth of the earth’s surface is covered by land. The Kalahari Desert is a featureless, gently undulating, sand-covered plain, which everywhere is 3, feet ( metres) or more above sea level.

Bedrock is exposed only in the low but vertical-walled hills, called kopjes, that rarely but conspicuously rise above the general surface.

Aside from the. The Sahara Desert is the largest non-polar desert in the world. It is located in North Africa an is nearly as large as Europe or the United States. It is located in North Africa an is nearly as large as Europe or the United States.

Geography of deserts
Rated 5/5 based on 69 review