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Study Of Element Migration Along Gully Transect

Posted on:2007-01-05Degree:MasterType:Thesis
Country:ChinaCandidate:X QiaoFull Text:PDF
GTID:2120360182999460Subject:Physical geography
Abstract/Summary:PDF Full Text Request
Riparian zone is riverbed between water levels or from high water line to the areas which effected by the water disappears. It also indicate that the zone nearby rivers, lakes, ponds, watershed and other water body. The riparian zone has four-dimensional structure characteristic with portrait, diastrophism, perpendicularity and changing by time which is outcome between land and hydrophily in space. It has important function in landscape pattern. The riparian vegetation can bring into function about corridor, filter and barrier for material, energy and information flow among hydro-land ecology systems. At present, the research of riparian includes two hiberarchies: microcosmic and macroscopical level. Getting across the method of element analysis discuss the effects among different structure riparian for the element moving and sand sediment on microcosmic level. The latter apply remote sensing and geography investigation to discuss the changes of landscape in relation to environment. Gully region is the riparian areas with basic function—filter and barrier. Compared to the typical riparian zone, it is narrow in length and simple in hydrology structure. These peculiarities decide that the ability is weak in opp-interface and the function is bad in stability.The research object is in junzilan-park, the author use terra-statistic theory, linking to the physical environment condition and polluting fountainhead, to research the horizontal patterns and effecting factor about Available Nitrogen, Available Phosphorus, Cu, Zn and Pb in surface soil in order to reflect gully structure for the element moving affects. This thesis includes five chapters. The first chapter bring forward the meaning, techno-courses and the studying method infer to related results in foreign about riparian. The second chapter mainly introduces the physical and pollution situation in the study area. The third chapter designs the experimentation and liquidates data. The forth chapter analysis the distributing of AN, AP, Cu, Zn and Pb in a different distance beyond transect of gully, the closer is away the distance from the water source, the higher in the consistence. The fifth chapter is conclusion, perfecting gully structure benefit to sorbs the pollution and prevent polluted element moving.
Keywords/Search Tags:Gully transect, element migration, horizontal differentiation
PDF Full Text Request
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