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The term "drought" generally has different degrees of meaning, depending upon the normal climate of the country where drought is occurring. For example, in a tropical country, where heavy rainfall is the norm, drought may refer to a period of a matter of mere weeks without rain.
In its truest sense, though, drought is an extended period of lack of rain, which can have severe environmental effects, including:
- an increase in the danger of bushfires, dust storms and other drought-related natural disasters
- loss of vegetation which, in turn, makes the ground more prone to erosion from wind and, when it comes, rain and flooding.
- increased desertification, i.e. land which was once fertile becomes desert, a situation from which the land rarely recovers.
- Increased salination of rivers and waterways as more salt comes up from the ground, tainting the water supplies.
- Extended droughts may also eventually lead to the loss of some species of animals or plants.
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What is the difference between droughts and aridity?
Droughts are an unusual occurrence of low precipitation due to natural weather pattern cycles. Aridity is an area where low precipitation naturally occurs (see also, "rain shadow effect")
What are facts about droughts?
There 10 facts about droughts
Do earthquakes have a positive effect on the environment?
earthquakesdo not have a positive effect on the environment because it is destroying the natural environment around it, also it is bringing down buildings and houses wrecking the environment around it
What are the effect of natural resources in the environment?
what are the effect when natural resources are not there
The Solution of control of floods and droughts?
Control of floods and droughts.
What are some environment problem in grassland?
in a grassland, forest fires, runoff, droughts
What environment challenges do these winds provide?
Monsoons provided flooding rain, and droughts that cause starvation.
How does DNA fingerprinting effect the environment?
It has an effect on the environment because crimes are in the environment so
What are the cons of hyrdoelectricity?
-requires alot of space to build dams -dams have chances of breaking, which can cause severe effects on environment, economy, humans -takes a while to build dams -droughts and natural disasters can effect power plants thats about it
What is the effect on the natural environment of droughts in Australia?
The drought is wrecking Australia's environment by killing our animals because they have nothing to drink and die off thirst, no water left in the creeks or dams, and the local aboriginies wnt have animals to kill so therfore everyone is bad off when there is a drought in there country ,town , or city.
How do droughts help the environment?
The drought in California has helped the environment by minimizing the spread of bacteria that cause a disease called sudden oak death. The drought has also reduced the amount of this bacteria in coastal waters. However, droughts do much more harm than good, and that's even true in California.
How are people in Zimbabwe affected by their environment?
The people of Zimbabwe are being affected by a changing environment. Water shortages at this point are infrequent, however, continued global warming could make the situation even worse. Farming also represents challenges for the people of Zimbabwe, droughts and soil erosion greatly effect their ability to farm.
What has the environment done to Egypt?
the environment flooded Egypt. it also gave them droughts but if the environment had not done anything to Egypt the Egyptians would not have made calenders or built irrigation systems and Egypt would be unknown and boring.
How does physical environment effect human sediment?
how does physical environment effect human sediment?
HOW does lightning effect the environment?
lightning does have an effect on the environment it can put nitrogen in the ground for plants to use
What effect does hydrogen power have on the surrounding environment?
It has a very small effect on the environment. It is eco-friendly! (-:
What is the difference between droughts and aridity?
Droughts are an unusual occurrence of low precipitation due to natural weather pattern cycles. Aridity is an area where low precipitation naturally occurs (see also, "rain shadow effect")
