function of flood drainage
character of drainage area
curve of area of transverse section
drainage area of Santun river
drainage area of Shule River
drainage area of Tai Lake
drainage area of the Yangtze River
land- use suitability assessment of small area
land- use superiority- inferiority assessm ent of small area
proportion of area of growing cereal
source drainage area of the Urumqi River
the drainage area of Hongshui River
the drainage area of Xijiang and Beijiang river
wetted surface area [= area of wetted surface]
analysis of flood frequency
anomalous deficit and ampleness of flood year
assessment of flood control safety
Assessment of Flood Resources Utilization