August 15, 2013. August snowfall. That night the residents of Karaganda witnessed unusual precipitation. According to witnesses, from the sky fell the snow, however, the pink color.
MICHAEL PRIVALOV, journalist: \" I've been photographed. Here the highlights are. It's snow, snow. When the rain, glare there are none. I put on \"Facebook\" time, temperature. Here was 12 degrees.
Eyewitnesses said that the snowfall in Karaganda started after 10 PM. Deposits covered rooftops. However, meteorologists snow is not recorded. On this day, forecasters predicted rain, and the news was skeptical. However, Read more [...]
With the decrease of plant communities in the transition zone of the steppes, semi-desert and savannah to change not only the flora and fauna.
The most important for life in the desert - is to be able to adapt your body to combat overheating. The surface in the daytime desert heat to 70-85 ° C.
Many wildlife species are in the desert nocturnal, hiding in caves from harmful sun rays. But more often the very behavior of animals and insects to help them tolerate high daytime temperatures. Many of them with the onset of the summer heat stop active and hide in burrows dug up the cool soil Read more [...]
One of the most common types of deserts are rocky, gravelly, gravelly-pebbly and gypsum desert. They are united by roughness, hardness and density of the surface. Water penetration stony soils are different. The largest pebble kovye and gravelly debris lying quite loosely, easy to pass water, and precipitation quickly percolate to great depths, are not available to plants. But more often, however, the common surface, where the gravel or crushed stone cemented sand or clay particles. In these deserts are rocky fragments tightly, forming the so-called desert pavement.
Relief rocky deserts Read more [...]
To travel in the desert requires good preparation. You need water, and you must be able to navigate. Very low rainfall and scorching sun lead to rapid dehydration, and she seems monotonous desert untrained eye. However, many are attracted to these harsh beautiful area, so desert safaris are becoming very popular among British tourists, traveling in Morocco and Tunisia. But before we go there, read a book about deserts.In some deserts, such as in northern Somalia, the annual precipitation does not exceed a few centimeters. Strong. Dry heat with temperatures above 62 'C aggravated unbearable Read more [...]
This is a general idea of the desert - the classic image of the harsh desert of space, large areas covered with golden sand, no shelter, shade and water. There are enormous plains, which extend as far as the eye can see, the area covered by sand dunes, towering to a height of more than a hundred meters, and stretching for miles. In deserts with sand dunes usually almost no vegetation, as very few species can adapt to such harsh conditions. Plants are stunted, with an extensive root system to collect as much water during the rain.
Some species of tree roots penetrate to a greater depth to Read more [...]
The Green continent deserts got a huge area, almost half of the continent. A significant part of the Australian desert, namely, those that occupied the western part of the continent, are at an elevated position - on a vast plateau about 200 m above sea level. Some of the desert rise even higher, up to 600 meters, including the desert plains clearly visible two mountain fold systems with fairly high peaks - some of them reach the 1500 m
Complex topography divides the giant Australian desert for a few, so to say, independent, autonomous deserts. The largest of them, the Great Sandy Desert Read more [...]
Emergencies in the wilderness
accident vehicle: motorcycle or car, emergency or forced landing helicopter, airplane, balloon;
group of tourists, geologists, oil, etc. got lost among the dunes or on the big takyr (salt marsh) and lost direction.
At the beginning of each of these extreme situations and can not be. Rather, it is an emergency with the elements of a disaster. But subsequent developments may lead to a situation of extreme.
The factors leading to the extreme emergency situation:
personal injury in an accident and failure to render professional assistance (not a man Read more [...]
Typical resident clay deserts, especially wormwood, rarely settles in stony deserts, also found in the steppe. Lived in Central Asia and Kazakhstan, in desert areas rises in the Tien Shan Mountains to 1800 m arrives at nesting early in Turkmenistan appear in the spring - in the first week of March, in the Lake Balkhash - at the end of March. Spry and cautious bird, loves to swim in the dust a long time basking in the sun, lying on his side, especially near the waterhole. Black-bellied Sandgrouse in appearance like a dove, but bigger. Top grayish-yellow, variegated, goiter and breast yellowish-gray, Read more [...]
The hydrographic network is represented mostly desert intermittent beds of temporary streams, where the water is only in the rainy season, and then only a few days. Major rivers originate far from the desert and crossing them, nourish life-giving water only a narrow strip of land along a river bed.
There is a river in the world that exists in dry areas only during the heavy rains of 2-3 h for 3-4 years. In a short time they dump a lot of water and form a short and deeply embedded in the terrain of the valley (wadi). Most of these rivers are found in the Red Sea and the Arabian Peninsula. Read more [...]