Assessment of the Impacts of Land Use Changes on Nonpoint Source Pollution Inputs Upstream of the Three Gorges Reservoir

Table 2

Main data sources.

Data	Data item	Station	Data period	Sources
Meteorological data	Maximum and minimum temperature,	Kaixian	2001–2010	State Meteorological Administration
	solar radiation,
	sunshine percentage,
	weed speed, and
	relative humidity
	Precipitation	Wenquan	2001–2010
		Guanmian
		Dajin
		Yanshui
		Yunyang
		Hexing
		Yujia
		Nanmen
		Qiaoting
		Hexing
Hydrological data	Discharge	Wenquan	2002–2010	Hydrological Statistical Yearbook
		Yujia	2001–2005, 2010
Water quality data	TN and TP	Jinguan	2007–2009	Water quality monitoring section
		Zhaojia bridge	2007–2009