A Three-Parameter S-Shaped Function of Flood Return Period and Damage

Table 1

Predicted results of GDP and population.

	1999	2005	2020 A2	2030 A2	2050 A2
GDP (100 million CNY)	10768	20216	38946	62008	108131
Population (million)	44.71	47.14	54.07	58.87	68.46