Traditional Culture Encyclopedia - Weather inquiry - What does drought mean?

What does drought mean?

The following is the meaning of drought:

Drought gānhàn [dry spell;drought] There is no precipitation or too little precipitation, which makes the soil and weather dry. Overcoming drought and winning a good yield. Drought usually has two meanings. : First, arid climate refers to a climate phenomenon where there is no precipitation or very little precipitation in a certain place for many years. The World Meteorological Organization defines areas with a dryness degree (the ratio of annual possible evapotranspiration to annual precipitation) greater than 10 as severe drought areas or Desert area, also known as perennial drought area.

The second is drought disaster, which means that the precipitation in a certain place during a certain period of time is significantly less than its multi-year average precipitation, resulting in greater harm to economic activities (especially agricultural production) and human life. Phenomenon.

Drought (term in meteorology) Drought refers to a climatic phenomenon in which the total amount of fresh water is insufficient to meet human survival and economic development. It is generally a long-term phenomenon. Drought has been a major natural disaster faced by mankind since ancient times. Even today with advanced science and technology, its catastrophic consequences are still common.

It is worth noting that with the economic development and population expansion of mankind, water shortages have become increasingly serious, which has also directly led to the expansion of dry areas and the aggravation of drought. The trend of drought has become Issues of global concern.

Nearly homophones: dry 篯, dry 掵, dry 捚, dry 篯, drive away sweat, drive away drought, dare to fight, Ganguo, Laogan, dew nourishes the heart, honey liver, 苋苵, sleep sweet, Fu Qing, strong and good, Han Chen Xianzhi, Han Ji, Han Hao, Khan Arhat.