Chapter 2Related research documents. To research the story. Study on drought issues who has been researching a book about the Internet and document data issues to guide drought have been aware of the story of the drought. Impact and issues to achieve beneficial. The following information is RA.1 history of drought2. the problem of drought occurred.3 causes of drought 4. the danger of disease from drought5 the impact caused by the drought6. prepare to prevent drought7 domestic drought events, Thailand1. the origin of our focus on drought dry weather caused by rain with less than normal or non-seasonal rain falls for a period much longer than usual, and covers an area of wide, causing a shortage of drinking water, water used for various wood dehydration plants. Do not grow normally, damage and malnutrition in General. Specialized dry as one natural disasters that occur annually. In particular, in the northeast of the country, Central Thailand. Because it is the area of influence of the southwest monsoon to not to cause malnutrition if not raenkhaen any year with the storm moving at all, it will pose a severe drought. Due to the long rain delay by drought that occurs every year between June to July. In the range of crops that are grown are the lack of water has damaged human beings. -Animal drinking water shortage, water use affects the living, including economic and social. This violence is more or less a multifaceted factors, such as, depending on the moisture in the air, the moisture in the soil the dry period and the size of the area that is dry. 2. the problem of drought occurred. The general problem of drought (water scarcity).The problem of drought or shortage occurred. Due to the shortage of water that does not contain, or have good quality. For use in various activities such as consumer ... The livestock to aquaculture industry Water transport, etc. Impact directly and indirectly to the people's livelihood A common cause of drought (water scarcity).Can summarize causing drought. 2.1. climate change and the environment in rainy season. The rain is falling a little late daylight is not distributed evenly, of water entrapped in a little water. Water and moisture in the soil is less. In the dry season, hot weather made, water loss from evaporation is much. The water in the water until reduced to go dry.2.2 the demand for water increases, more of the population. Fundamental requirements for living and so there are a lot of resources. The demand for water activities, so there is a lot of. While there are limited to non-catchment sources increased in relation to each other.2.3 natural catchment and source that is created. There is not enough to exploit the catchment which may be caused by limitations of the natural terrain, with no rivers or not suitable to be developed into a body of water, or?3. the reasons for the occurrence of droughtThe cause of the occurrence of droughtFactors that cause a drought in Thailand. In addition, there are also other factors of rain as many elements, such as a system of circulation of the atmosphere. The change of atmosphere. Changing the relationship between the atmosphere, Ocean, sea, or so, with the occurrence of drought and therefore not caused by one alone, the causes of the occurrence of drought. Is as follows:1. Since the climate in the summer heat than normal.2. because your blowing southwest monsoon3. monsoon Groove position malfunction Make it rain in the area was not continuous.4. abnormal because of a hurricane moving through the tropical country, Thailand is less than normal.5. to change the balance of power from the Sun, such as the burning of coal, oil, and plastic. Cause a hole in ozone layer6. the impact of the phenomenon of clots forming due to atmospheric greenhouse gases such as carbon dioxide. The steam drifting to the ground coating of the ozone layer. The hot air near the surface of accumulated in the world. Make hot weather than normal.7. the development of the various industries.8. deforestation To change an environment is one that affects the change of climate elements such as rain, temperature and humidity.Seasonal drought occurs.The occurrence of drought commonly occurs between the following:1. in the winter between October to February, and continued arriving the summer between February to may is the end of the rainy season, which starts from the second half of October. Area of the country, Thailand now on there will be no rains come or if there is, it will have only a small amount of. Most of the rain from the storm will be thunderstorms, thus cause a drought every year during this period, and are usually caused by wildfire. 4. the danger of disease from drought ผลกระทบที่เกิดขึ้นนอกจากเรื่องความเป็นอยู่ด้านเศรษฐกิจแล้ว ยังอาจจะส่งผลกระทบกับประชาชนด้านสุขภาพได้โรคที่เป็นปัญหาต่อสุขภาพประชาชนที่ประสบภัยแล้ง ที่ต้องระมัดระวังมีหลายโรค แต่โรคที่มักจะพบผู้ป่วยบ่อย ๆ ในช่วงหน้าร้อน ได้แก่1. โรคอุจจาระร่วง สาเหตุเกิดจากการติดเชื้อหลายประเภททั้งแบคทีเรีย ไวรัสและกลุ่มเชอโปรโตซ ที่ปนเปื้อนอยู่ในอาหาร ซึ่งในหน้าร้อนมีโอกาสบูดเสียได้มากขึ้น และเมื่อรวมกับสุขอนามัยที่ไม่สะอาดแล้ว สามารถเกิดการระบาดของโรคอุจจาระร่วงในหน้าร้อนหรือช่วงแล้งนี้ได้อาการของโรคอุจจาระร่วง คือ ถ่ายเหลวหรือถ่ายเป็นน้ำามากกว่า 3 ครั้งต่อวัน เชื้อแบคทีเรียบางชนิด เช่นเชื้ออหิวาตกโรคเป็นสาเหตุทํให้เกิดอาการท้องร่วงรุนแรง มีอาการขาดน้ํา สูญเสียเกลือแร่ โรคนี้สามารถเกดกับประชาชนทุกกลุ่มอายุแต่อาจจะมีอาการรุนแรงในกลุ่มเด็กเล็กและกลุ่มผู้สูงอายุ หากป่วยแล้วอาการไม่รุนแรงก็สามารถใหการักษาเบื้องต้นได้เองด้วยผงเกลือแร่ผสมน้ําดื่มถ้ามีอาการุนแรง เช่นถ่ายเป็นน้ําหลายครั้ง อ่อนเพลีย
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