In arid regions (desert) survival and any other area, depending on your understanding of the terrain and conventional weather conditions in the region, your ability to handle these situations, as well as your will to live.
terrain
Most arid regions are there are several kinds of the terrain, and each of the terrain on the surface looks similar to other types of terrain.
Five basic types of terrain is:
Low mountain desert.
Low rocky plateau.
Low sand dunes.
Low salt marshes.
Low deep cleft terrain (known as dry mountain).
These terrain affects not only you get water, food, from the body (see chapter 6 to chapter 9), they also —
It is hard to low the body movement.
“It is hard to make the ground navigation.
Low limit your hidden and cover.
Distributed the barren hills or mountains, mountain desert between the mountains and separated by a dry, flat basin.
Flat areas rise gradually or suddenly, high can reach thousands of meters above sea level.
On high ground although it seldom rains, but when it rains, it could cause flash floods, the flood erosion ditch and canyons, the sand and gravel pile up on the edge of the basin.
After the rain there may be a plant growth, but because of the rain evaporates quickly, the ground will soon become the same bare.
If there is a redundant rain not evaporate, flows into the basin, might form a shallow lakes.
The Dead Sea salt lake in Utah and are formed in this way.
The concentrations of the salt in these lakes are very high, can not drink.
High altitude mountain desert thin air, few plants to grow.
Sun is one of the risk.
In high-altitude climbing takes more energy, increased demand for water body.
In the mountain is very dangerous action in the dark.
Rocky desert plateau characteristics for the ground there are many hard or fractured rock.
There may be some dunes around the plateau.
Broad, flat terrain, basically no ups and downs, but the outcrop rocks can keep out sunshine, also can be used to cover and hiding.
Rocks also can be used as a natural reservoir, rainfall is likely to rain storage after, you can be in these places for water.
Sometimes the trace of a bird or animal, such as path, feces, or flight of birds, and also points out that water.
At night in the mountain is very dangerous action.
A wide stretch of desert dunes, covered with sand and gravel desert area, use the word “flat” may be misleading, because in some areas of dune could be as high as 1000 feet (300 meters), 10 to 15 miles (16 ~ 24 km), and in some areas may have exactly 2 miles (3.2 kilometers) an area or a bigger flat.
These areas may not plant, or it may have 6 feet (1.82 meters) high shrubs.
The Sahara desert, the sinai desert, part of the Arabian desert, California and new Mexico desert, as well as South Africa’s kalahari desert is a desert dunes.
If possible, try to avoid crossing the desert dunes.
Salt marsh is flat and barren area, with some grass scattered in some places, but in addition, no other plants.
Rain gathered in arid regions, evaporation, leaving a large amount of alkali salt or high salinity water, thus formed the salt marshes.
Water is very salty and not drinkable.
Salt brine crystallization on ZhuZhang layer May 1 inch thick.
In arid areas, there are hundreds of square kilometres of salt marsh, lick a large number of insects, most would bite.
To avoid the salt marshes, this type of terrain to corrosion boots, clothes and skin.
All the dry areas of deep crack terrain.
The terrain (known as dry or dry valley) is due to the heavy rain caused in the soft soil of a small valley.
Dry land May 10 feet (3 meters) wide, deep 6 feet (2 meters), may also be a few hundred meters wide, hundreds of meters deep.
And it also with its breadth and depth in the direction of the diversified, winding, forming a maze.
In this maze of terrain, you will easily get lost.
Dry land can provide you with good concealment, but don’t try to through it.
Environmental characteristic
If you want to live in dry areas and escape from the enemy, you must know that you are faced with the environmental conditions, to prepare.
You decide you will use the equipment, will adopt a strategy, you need to know the environment of your equipment, strategy, and what impact you itself.
In dry areas, you must consider eight kinds of environmental elements:
Low rainfall.
When the hot sun hot summer.
Low temperature difference is big.
Low plant life.
Low surface high mineral content.
Low dust storms.
When a mirage.
Low light levels.
Less rainfall is one of the most obvious drought area environmental characteristics.
Some desert areas annual rainfall less than 4 inches, and rain can quickly penetrate into the ground.
In the desert of high temperature, no water, you don’t keep long life, so live in the desert, you must first consider “how much water I have?”
And the “other source in where?”
(see chapter 6).
The hot sun hot summer is all the dry areas of problems.
Atmospheric temperature during the day can be as high as 140 degrees Fahrenheit (60 ℃).
Heat mainly comes from direct sunlight and heat flow of wind, the amount of reflected heat, the sun on the sand in the amount of reflected heat), as well as the direct heat conduction from the sand and rocks.
The temperature of the sand and rocks is higher than average atmospheric temperature 30 ~ 40 degrees Fahrenheit (17 ℃ to 22 ℃), for example, when the air temperature is 110 degrees Fahrenheit (43. C), the temperature of the sand could be 140 degrees Fahrenheit (60 ℃).
Sweltering increased demand for water body, in order to conserve energy, and energy, you need to avoid a body to reduce time, exposed to heat.
Marching at night to the dosage of the minimum water level.
You can scout terrain at dawn, dusk, or the light of the moon, because that time a mirage is unlikely to occur.
Radio and other sensitive equipment to direct exposure to the sun are prone to failure.
In arid regions, and the days of atmospheric temperature can be as high as 130 degrees Fahrenheit (54 ℃), and the night is reduced to 50 degrees f (10 ℃).
At night the temperature fell rapidly, if you don’t have warm clothes, shivering, unable to move.
But cool at night it is the best time to work or travel.
If you want to rest in the night, you will need a sweater and a long coat.
A wool hat can be very useful.
Rare plants in arid regions, so it difficult from the body or to cover their tracks.
During the day, visual range is very large, very vulnerable to enemy fire control.
As an escape, you must follow the principle of desert hidden below:
Low hidden in plants to grow more dense drought erosion (dry valley), try not to let yourself.
Low use of shrubs, stone, outcrop of rock such as the projection of the shadow.
The shadows of the temperature is lower than atmospheric temperature 20 ~ 30 degrees Fahrenheit (11 to 17 ℃)
Cover the items, can reflect a part of the sun light.
Travel before, to observe the terrain, find can provide cover and place of shelter.
There may be a problem when you estimated distance.
In open desert areas, most people underestimate the distance, the estimated distance is only a third of the actual distance: look the distance of 1 mile (1.61 kilometers), there are actually three miles (4.83 kilometers).
In the dry areas of all there will be some places, where the surface of the soil mineral content is very high (borax, alkali, salt and lime).
Items are easily damaged, after contact with the soil and the water here is very hard, not to drink.
If use the water to wet clothes want to cool off, is prone to rash.
Salt lake in Utah is an example, its water and the soil mineral content is very high.
A place like this little plant growth, so it is difficult to find from the body.
If possible, try to avoid these areas.
