In 1991, severe flooding occurred in the Huai River valley and
the middle and lower reaches of the Yangtze River. Disaster mainly
located in part of Anhui, Jiangsu, Hubei, Henan, Hunan, Sichuan and
Guizhou. Among these provinces, Anhui and Jiangsu lost most.
About 4.99 million houses collapsed and 781 billion lost nationwide
because of the flooding.
In 1998, there is an abnormal climate system in our country. There is much
rainfall in the Yangtze River basin which led to a rare peak discharge,
a long flood season for two months and regional floods by converging
with the flood in the lower reaches in Yichang. And also,
because of the climatic anomalies, Jiujiang levee breached, 1075 embankments
collapsed in Yangtze River, Dongting Lake and Poyang Lake, 0.3213 hectares
being covered, 2,290,000 people were affected; a total of 6.7 million hectares
of arable land were planted, 1562 people dead and the direct loss up to 2000 billion.
According to statistics, in the 1990s, about direct
economic losses of RMB 120 billion yuan was caused
by floods and just in 1998, the loss reached up to
more than 250 billion yuan. Loss caused by disasters accounts
for between 1 percent and 4 percent of gross national product,
which was 10 to 20 times of developed countries such as the
United States and Japan.