Page 45 - 2010年全国水利发展统计公报
P. 45
2010年 全国水利发展统计公报
2010 Statistic Bulletin on China Water Activities
Soil and water conservation. The improved eroded area reached to 1.068 million
km2 in 2010, of which small watershed amounted to 416,000 km2. Ecological
restoration areas accumulated to 720,000 km2. There were 268 silt-retention dams
constructed on the Loess Plateau Region in 2010. Phase-II of Soil and Water
Conservation Network and Information System was completed with 738 monitoring
sites.
Hydrology and informationization. By the end of 2010, there were 42,682
hydrological stations of all kinds in the whole country, including 3,193 national
hydrologic stations, 1,467 gauging stations, 17,245 precipitation stations, 6,535
water quality stations, 12,991 groundwater monitoring stations, 12 evaporation
stations and 57 experimental stations, and 1,182 soil moisture monitoring stations.
There were 12,786 telegram reporting stations and 1,005 hydrologic forecast
stations. The completed water environment monitoring centers (sub-center) were
241, which cover nearly all major rivers, lakes and reservoirs in China.
Improved eroded areas
unit:10,000 km2
110 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010
105
100
95
90
85
80
75
70
65
60
2000
40