Chapter 2
. Research related documentsIn the research of drought, who study research data and documents, the Internet and books about the drought. Guideline to know know the story of the drought history problems affected.The following details
.1 history of drought
2 problems of drought
3 causes of drought
4 dangerous diseases from drought
5 impact caused by drought, 6
Preparation of preventing drought
7. The drought in 1
.History of the drought, the drought of weather. The rain is less than normal, or it rained out of season. For a period of time longer than usual, and covers an area of a wide area. Cause a shortage of drinking water.Lack of water, do not grow normally, damage and starvation in general. Drought is one kind of natural occurring annually. Especially in the Northeast in the middle of the country.Cause famine, poverty. If any year without a storm moving through it, it will cause more severe droughts. Due to the rain.The crops cultivated are lack of water damaged human - animal drinking water shortage น้ำใช้. Impact on survival, including social and economic.Such as the moisture in the air moisture in the soil, period of drought. And the size of the area with the drought
.2. The problems of drought
. The general problem of water shortage drought ()
.The problem of drought or lack of it. Caused no or lack of water quality for use in activities such as consumption, agriculture, livestock and aquaculture. Industrial water transport.Both direct and indirect impact on the living of the People
.
the common causes of drought water shortage ()
may summarize the causes of drought as follows:
2.1 change of climate and environment in the rainy season. No rain season, fall low back. Don't explode. The water retention in the water. The water and the soil moisture is minimal.Make water reduced until dry
.2.2 water demand is increasing. From the population increase. The basic requirements in survival and resource utilization are very much. Water requirement for activities. It is good as well.2.3 source water natural and created. Is not sufficient to catchment in use, which may be caused by The limitation of terrain with no natural water course. Or appropriate to develop resources or
3.Cause the cause of drought drought
.The factors causing drought for Thailand. Besides, there are other factors as the rain element again many, such as circulation of the atmosphere. Changes in ingredients of atmosphere.To the sea or ocean, so the drought is not caused by any one alone. Processing, which can cause of drought, as follows:
.1. Due to weather conditions in a very hot summer than usual
2.? Due to the blow of the southwest monsoon, 3
. Disorders of the monsoon trough. Make it rain in the area of discrete
4.Disorder due to tropical cyclones moving through the less than normal
5.? Changes in the balance of the energy received from the sun, such as the burning plastic, oil and coal caused the hole in the ozone layer
6.Impact of greenhouse effect. Because the ingredients of the atmosphere, such as CO2 steam up coating ของชั้นโอโซน downstairs. The accumulated heat in the air near the earth's surface. The hot air over the usual
7.Industrial development 8 deforestation, various
. Cause the environment changes, as another cause the climate elements, such as rain, temperature Drought season and moisture
.The drought will generally occur 2 range as follows:
1.In the winter, between October to March and continued through the summer between February and may, is the end of the rainy season. , which started from the second half of October.Or if it is only a small amount of Most of the rain from thunderstorms. Thus, causing drought every year in this period. And usually have a wildfire happened with
.4 dangerous diseases from drought
.The impact the economic well-being. May also affect people's health has disease, a health problem and the people affected. Be careful, there are several diseases.. in summer, including 1.
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