Relatively strong rainfall period and effectively continuous rainfall can make the echo intensity decrease greatly and remain the low index for a long time, and the visibility turns well.
The climatic index of floods and water loggings are usually the abnormal rainfall of a year or a certain period.
洪涝与湿害的气候指标常用年或某时段的降雨异常来描述。
3
Based on the weather data from 1996 to 2002, the correlation equation between disease index of potato virus Y (PVY) and the temperature and rainfall was established.