Nitrate pollution from agriculture in different hydrogeological zones of the regional groundwater flow system in the North China Plain

被引:174
作者
Chen, J [1 ]
Tang, C
Sakura, Y
Yu, J
Fukushima, Y
机构
[1] Res Inst Human & Nat, Kyoto, Japan
[2] Zhongshan Sun Yat Sen Univ, Sch Geog & Planning, Guangzhou, Peoples R China
[3] Chiba Univ, Grad Sch Sci & Technol, Chiba, Japan
[4] Inst Geog Sci & Nat Resources Res, Beijing, Peoples R China
关键词
agriculture; groundwater flow system; land-use change; nitrate pollution; North China Plain;
D O I
10.1007/s10040-004-0321-9
中图分类号
P [天文学、地球科学];
学科分类号
07 ;
摘要
A survey of the quality of groundwater across a broad area of the North China Plain, undertaken in 1998 to 2000, indicates that nitrate pollution is a serious problem affecting the drinking water for a vast population. The use of nitrogen ( N)-fertilizer in agriculture has greatly increased over the past 20 years to meet the food needs of the rapidly expanding population. During the study, 295 water samples were collected from wells and springs to determine the water chemistry and the extent of nitrate pollution. High concentrations of nitrate, especially in a recharge area along the western side, but also in the vicinity of Beijing and locally in other parts of the plain, pose a serious problem for the drinking water supply. In places, the nitrate concentration exceeds the maximum for safe drinking water of 45 mg/L. The intense use of N-fertilizer and the widespread use of untreated groundwater for crop irrigation contribute greatly to the problem, but no doubt the disposal of industrial and municipal waste into streams and infiltrating the aquifer also contribute to the problem; however, the lack of data prevents evaluation of those sources. In the recharge area, nitrate is found at depths of as much as 50 m. NearA survey of the quality of groundwater across a broad area of the North China Plain, undertaken in 1998 to 2000, indicates that nitrate pollution is a serious problem affecting the drinking water for a vast population. The use of nitrogen (N)-fertilizer in agriculture has greatly increased over the past 20 years to meet the food needs of the rapidly expanding population. During the study, 295 water samples were collected from wells and springs to determine the water chemistry and the extent of nitrate pollution. High concentrations of nitrate, especially in a recharge area along the western side, but also in the vicinity of Beijing and locally in other parts of the plain, pose a serious problem for the drinking water supply. In places, the nitrate concentration exceeds the maximum for safe drinking water of 45 mg/L. The intense use of N-fertilizer and the widespread use of untreated groundwater for crop irrigation contribute greatly to the problem, but no doubt the disposal of industrial and municipal waste into streams and infiltrating the aquifer also contribute to the problem; however, the lack of data prevents evaluation of those sources. In the recharge area, nitrate is found at depths of as much as 50 m. Near Beijing, relatively high concentrations of nitrate occur at depths of as much as 80 m. In the discharge area, in the vicinity of the Yellow River, high concentrations of nitrate occur at depths of < 8 m.
引用
收藏
页码:481 / 492
页数:12
相关论文
共 37 条
[1]  
BI EP, 2000, HYDROGEOL ENG GEOL, V4, P40
[2]  
Chen J.Y., 2003, THESIS CHIBA U JAPAN
[3]  
CHEN Jiamei, 1983, ENV SCI, V4, P15
[4]   Use of water balance calculation and tritium to examine the dropdown of groundwater table in the piedmont of the North China Plain (NCP) [J].
Chen, JY ;
Tang, CY ;
Shen, YJ ;
Sakura, Y ;
Kondoh, A ;
Shimada, J .
ENVIRONMENTAL GEOLOGY, 2003, 44 (05) :564-571
[5]  
Chen JY, 2001, NEW APPROACHES CHARACTERIZING GROUNDWATER FLOW, VOLS 1 AND 2, P1143
[6]   Groundwater flow and geochemistry in the lower reaches of the Yellow River: a case study in Shandang Province, China [J].
Chen, JY ;
Tang, CY ;
Sakura, Y ;
Kondoh, A ;
Shen, YJ .
HYDROGEOLOGY JOURNAL, 2002, 10 (05) :587-599
[7]  
CHEN JY, 1997, J CHINESE GEOGRAPHY, V7, P64
[8]  
CHEN JY, 2003, IN PRESS P IAHS IUGG
[9]  
CHENG RN, 1988, AIR SURFACE SOIL GRO, P33
[10]  
EWEIS JB, 1998, BIOREMEDIATION PRINC, P110