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A Generalization of Contour Line Based on the Extraction and Analysis of Drainage System
Map generalization Delaunay triangulation Drainage system
2015/7/10
Unlike the simplification of independent line features, the generalization of terrain contour is to handle the “line group”, which
describes the geomorphologic characteristics, such as the terrain va...
Computation method of the drainage retention capacity of soil layers with a subsurface pipe drainage system
agricultural areas groundwater reservoir hydrological extremes unsteady-state groundwater conditions
2015/3/13
Methodological procedure for determining the drainage retention capacity (DRC) of surface layers under conditions of unsteady-state groundwater flow was demonstrated. DRC of the drainage system can be...
Influence of drainage system maintenance on storm runoff from a reforested, waterlogged mountain catchment
drainage treatment forest soil mountain catchment storm flow runoff waterlogging water retention
2015/3/10
The maintenance of a drainage system in a waterlogged mountain catchment impacted by earlier harvesting operations was assessed on the basis of a hydrological analysis (hydrological balance, three lin...
Hydrogeochemical Assessment of Metals Contamination in an Urban Drainage System: A Case Study of Osogbo Township, SW-Nigeria
Urban Drainage System Heavy Metals Contamination Bioavailability Water Quality Stream Sediments
2013/3/21
With increasing urban population, attention had been focused on environmental degradation of urban drain-age system with respect to trace/heavy metal contaminations. Such concerns underlie the ever-in...
Rare earth element geochemistry in acid river water from the Numajiri drainage system, Fukushima Prefecture, Japan
Kerare earth elements hot spring ICP-MS geochemistry Numajiri
2009/4/2
Acid river water samples collected from the Numajiri drainage system, Fukushima Prefecture, Japan, were analyzed for rare earth elements (REE) and major chemical components to elucidate the origin and...
Moisture conditions on a polder without an efficient drainage system. Case study
water flow water uptake by plants mathematical modeling
2008/11/18
Many hectares of field culture changed not only ownership, but also the manner in which it was farmed in the last decade in Poland. This refers also to polders with compound soil profiles and complex ...