Why is the Spring River Plumbing Duck Prophet?
At the end of winter and the beginning of spring, the weather in Jiangnan water town is still relatively cold, with an average temperature of 10 degrees. There are often severe frost and even residual snow. In this cold weather, when dogs, cats and other animals are still curled up by the fire and under the eaves, there are groups of ducks swimming in the cold water of ponds and streams, sometimes diving their heads into the water, sometimes spreading their wings and "singing" in the water. This phenological sign indicates that the cold weather is about to pass, the temperature begins to rise gradually, the water temperature of rivers and streams is also warming, and spring is coming.
Why is there a "Spring River Plumbing Duck Prophet"? Is it cold for ducks to play happily in cold water? It turns out that ducks are covered with dense feathers, and air is stored in them, which plays a good role in heat insulation. The down jacket we wear in winter. This is why you will feel warm when you cover the duvet.
In addition, there is a thick layer of fat under the duck's skin, which can also prevent heat dissipation and cold invasion in the body. According to relevant scientific data, ducks are hardy animals and are not afraid of cold when the humidity is lower than 10.
In spring, when the river just thawed and the chill did not disappear, the temperature began to rise. The ducks first keenly felt the change of water temperature, so they couldn't wait to dive into the water to swim. After carefully observing this phenomenon, the poet condensed a good sentence of "Duck Prophet in Spring River Plumbing". (Tao Benfu)
This is a very scientific statement, and the reason why poets write like this is because.
Su Shi's famous poem "The Duck Prophet of Spring River Plumbing" describes the beautiful scenery of early spring in the south in detail, vividly and vividly. At the end of winter and the beginning of spring in Jiangnan water town, the weather is still relatively cold, and there are often cooling and cold weather in spring. In this chilly spring weather, dogs and cats are squatting by the fire and under the eaves. At this time, in ponds and streams, a small group of ducks can swim around in the water, sometimes diving their heads into the water, and sometimes spreading their wings to "sing". These actions of ducks tell people that the cold weather is about to pass, the temperature begins to rise gradually, the water temperature of rivers and streams becomes warmer, and spring is coming.