A Modified DRASTIC Approach to Shallow Groundwater Vulnerabilit in the West Lake Watershed in Hangzh

来源 :土壤圈:英文版 | 被引量 : 0次 | 上传用户:nbf1smt
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
在西湖分水岭的浅地下水的质量是到 2000 年 7 月的调查形式三月。与 BlacklandGRASS GIS 系统集成,激烈的模型被用来编地下水危险地图。一个土地利用因素被加到 DRASTICmodel 和修改模型(LDRASTIC0 增加了预言形式 26.9/100 的精确性到 51.3/100。危险地图证明低层,预言的中等并且高度易受影响的区域分别地占据了大约整个分水岭的 11.6/100, 70.9/100 和 17.5/100。与硝酸盐和电的电导率的观察值相比, LDRASTIC 索引改进了 P
其他文献
Suspensions of a latosol with a clay concentration of 30 g kg-1 were prepared from electrodialyzed clay fractions, less than 2 μm in diameter, five nitrate sol
Ammonia (NH3) volatilization, denitrification loss, and nitrous oxide (N2O) emission were investigated from an irrigated wheat-maize rotation field on the North
Low-molecular-weight (LMW) organic acids exist widely in soils and have been implicated in many soil processes.The objective of the present paper was to evaluat
Phosphorus (P) is the limiting factor for eutrophication in most freshwater ecosystems. In China, Ptransported from intensively cultivated land has been reporte
期刊
盆栽试验被进行调查其根被 thearbuscular mycorrhizal (AM ) 开拓殖民地于的磷(P) byred 苜蓿(Trifolium pratense L.) 的节俭地可溶的无机、器官的来源的动员真菌血管球 mo
一个孵化实验被进行调查在四形成对照的联系 Cu 玷污一个碱的 stabilised 污水污泥蛋糕被用于哪个的微生物引起的生物资源。修改的有机体 ofsludge- 和控制土壤用γ - 照耀技
Soil water retention characteristics are the key information required in hydrological modeling. Frac-tal models provide a practical alternative for indirectly e
Dynamic changes of soil pH as influenced by ammonium sulfate (AS), monocalcium phosphate (MCP),potassium chloride (KCl) and their interaction in soils were eval