The beginning of winter in 2018 is November 7, which is the beginning of winter. It will be colder and colder day by day. Winter is a good time for health preservation. What's good for health preservation at the beginning of winter? Let's have a look!
Beginning of winter in 2018: November 7
Li, Jianshi also means that winter has begun since then. Winter means the end. It means to collect crops after harvest. China takes the beginning of winter as the beginning of winter.
In the beginning of winter, the upper westerly jet has been fully established in southern Asia. At this time, the intensity and eastward movement of the South Branch of the upper westerly wind have a great impact on the precipitation weather in the Jianghuai area. When the zonal circulation in the Asian region and the fluctuation of the South Branch of the west wind is strong, a wide range of cloudy and rainy weather will occur. In addition, the end of zonal circulation and meridional circulation will also be established, with cold wave and significant cooling.
Before and after the beginning of winter, precipitation in most parts of China decreased significantly. The land in northern China is frozen, and agricultural and forestry crops have entered the overwintering period. The "three autumn" in China's Jianghuai region is coming to an end. South China needs to rush to plant late winter wheat and quickly transplant rape. Southern China is the best time to plant wheat. In addition, after the beginning of winter, the air is generally getting drier and the soil contains less water. At this time, China began to pay attention to fire prevention in forest areas.
Climatic characteristics
Astronomy regards the beginning of winter as the beginning of winter. According to the division of climatology, China will postpone winter for about 20 days. At the beginning of winter, the sun has reached 225 degrees of the Yellow longitude. The Northern Hemisphere where we are located receives less and less solar radiation. However, because there is still some energy stored on the surface in the summer and half a year, it is generally not too cold, but the temperature gradually decreases. When it is sunny and windless, there is often a sunny, warm and comfortable October 'little sunny spring' weather.
The end of a tropical cyclone
According to statistics, on average, 2-3 tropical cyclones are generated in November every year. Especially the cyclones generated in the Northwest Pacific may develop to typhoon intensity. In the past 55 years, 11 Tropical Cyclones Landed along the coast of China in November, mainly in Taiwan, Guangdong and Hainan. If the zonal circulation prevails in the middle latitude in that year, the tropical cyclone is more active. If the meridional circulation prevails in the middle latitude, that is, the cold air is strong, it is not easy to have a typhoon.
The temperature decreased significantly
With the strengthening of cold air, the downward trend of temperature accelerates. People are used to the cooling in the north. Since late October, heating has been carried out successively. Fortunately, people still have a cold shelter. For people in the middle and lower reaches of the Yangtze River in late autumn, the average temperature is generally 12 ℃ to 15 ℃. The continuous rain has ended. If strong cold air is encountered, it will quickly go south. Sometimes, the temperature can drop close to 8-10 ℃ or more in less than a day. But after all, after the strong wind, the sun shines, the air-conditioning mass changes quickly, and the temperature rises rapidly. The rise of temperature and the accumulation of heat promote the next round of cold air to bring strong cooling. At this time, the pleasant late autumn weather is coming to an end, and the obvious cooling makes this area enter the best viewing period of red leaves while entering the initial frost period, and enter winter one after another at the end of November.
What does Lidong eat and precautions for Lidong health preservation
After the beginning of winter, it means that winter officially comes. Plants wither, insects hibernate, and the activities of all things tend to stop. Although human beings have no theory of hibernation, the Han people have the custom of starting winter and making up for winter. In cold weather, you should eat more warm and tonic food, which can not only make your body stronger, but also play a good role in keeping out the cold.
Eat dumplings:
Why does Lidong eat dumplings? Because dumplings come from the saying of "when making children". New year's Eve is the turn of the old year and the new year, and the beginning of winter is the turn of autumn and winter. Therefore, dumplings can't be eaten at the time of 'making' dumplings. People have gradually restored this ancient custom. On the day of the beginning of winter, all kinds of dumplings sell very well. Of course, on the winter solstice, for example, there is also the custom of drinking mutton soup in Tengzhou, Shandong Province.
Eat more staple foods, and eat mutton, quail and sea cucumber appropriately:
Proteins, fats and carbohydrates are called thermogenic nutrients. Therefore, in winter, we should appropriately increase the intake of staple food and oil to ensure the supply of high-quality protein. Dog meat, mutton, beef, chicken, venison, shrimp, pigeon, quail, sea cucumber and other foods are rich in protein and fat, produce more calories, and have the best effect against the cold.
The temperature drops suddenly, and some parts of the body are particularly sensitive to the cold. Special attention should be paid to keeping warm.
Kelp and laver can promote thyroxine secretion:
Human thyroid secretion is called thyroxine, which can accelerate the oxidation of many tissues and cells in the body, increase the heat production capacity of the body, enhance the basic metabolic rate, accelerate skin blood circulation, resist cold and keep warm, and iodine containing food can promote thyroxine secretion. Iodine rich foods are: kelp, laver, Nostoc flagelliforme, jellyfish, spinach, Chinese cabbage, corn, etc.
Animal liver and carrot can increase cold resistance:
The cold climate makes the human vitamin metabolism change obviously. Increasing intake of vitamin A and vitamin C can enhance cold tolerance and adaptability to cold, and have a good protective effect on blood vessels. Vitamin A mainly comes from animal liver, carrots and dark green vegetables, while vitamin C mainly comes from fresh fruits and vegetables.
Sesame and sunflower seeds can provide essential elements for human cold resistance:
Cold weather increases people's demand for methionine. Methionine can provide a series of methyl groups necessary to adapt to cold through transfer. Therefore, we should eat more foods containing methionine in winter. Such as sesame, sunflower seeds, dairy products, yeast, leaf vegetables, etc.
Nourishing principle:
From the beginning of winter. The cold climate affects the endocrine system of the human body to increase the body's ability to resist the cold, resulting in excessive heat loss of the human body. Therefore, the nutrition at the beginning of winter should mainly increase heat energy. You can eat more lean meat, eggs, fish, milk, beans and foods rich in carbohydrates and fat.
In terms of diet and health preservation in winter, traditional Chinese medicine believes that we should eat less salty and more bitter food. The reason is that in winter, when the kidney meridian is strong, the kidney is salty and the heart is bitter. According to the five elements theory of traditional Chinese medicine, salt is better than bitterness, and kidney water overcomes heart fire. If you eat too much salty, it will make the already hyperactive kidney water more hyperactive, so as to weaken the power of heart Yang. Therefore, you should eat more bitter food to help heart Yang. This can resist excessive kidney water. As the four seasons notes said: 'in winter, the kidney water tastes salty, and fear of water conquers fire, so it is appropriate to nourish the heart.'