Through the field investigation,the paper comparative analysis is made on the influence of waterlogging in different phases to cotton growth and production from 2004 to 2006,and gives corresponding strategies to resist or decrease damage.

Trend Analysis of Drought and Waterlogging in Kaifeng Based on Gray Catastrophe Theory

In this paper, 16 torrential rain and flood processes from June to September (1966 - 1995) were analyzed and similar weather situations were summarized.

A Preliminary Study on Waterlogging Damage to Rice Caused by Excessive Rain and its Countermeasures;

Based on the monthly rainfall data of 629 meteorological stations in China from 1950 to 2000, the waterlogging scope in the region from Qinling Mountain and Huaihe river to the South China is calculated with Z-index as the standard to determine drought and waterlogging, the laws of waterlogging’s occurrence and development in the south of China are analysed.

Based on the analysis of autumn waterlogged process, the paper found out the circulation factor and the influence system of autumn waterlogging in Yuncheng, and carried on the examination of numerical forecast product to enhance the forecast accurate rate of waterlogged weather process in autumn.