The result shows that this project is of significant importance for water resource utilization,polluted water body remediation and ecological river construction.
Therefore the shore water project involves the shipping, the river course government, the water source reserve and the supply, accent Hong drains waterlogged land, the vegetation and the animal habitat protection, the water quality, the energy, the city security as well as the construction and the city layout and so on the various content.
In this paper, discuss that apply open cassion technique to solve difficult problem of filling rich gnundwater by tide'saffection in deep foundation pit constrution, being situated in former river course of backfilled sandy soul, acheive remarkable economic benefis.
Aiming at the current situation and problems of the reclaim and construction for the Yellow River riverfront landscape in Lanzhou, as well as the natural landscape characteristics of the riverway changing progressively, the thesis sums up characteristics of Lanzhou on the culture, economy, urban planning and oecology etc, and the interaction between those and Lanzhou riverfront. Based on the above, the principles and outlines, which should be kept to during various phases of landscape design on Lanzhou riverfront, are concluded as a whole.
4. The measure for prevention project in Yancheng city include: repairing riverway by high standard, building revetment and dike in the river for discharging flood, constructing gate for flood control and other matching project, the measure for drainage conclude: forming new reliable system for urban prevention and drainage by regulate water system, repairing and protecting riverway to ensure its capability of regulating sluice, repairing pipe meshwork for drainage and separating rain from sewage, etc.
Owing to the interaction of runoff and tide, and the changeable deposition and erosion, the complexity of estuary dynamic points up the difficulty to solve the problem by using common calculating method, as the wastewater is discharged into the water course from the community situated at river - mouth.
The threshold wind velocity of a number of variables was studied in four different land-use types: farm land, forestland, wild grassland and a flood plain in the Yongding River sandy land in Beijing.
We studied 10-to 27-year-old artificial forests on rehabilitated lands in the upper reaches of the Yellow River with the objective of comparing the carbon densities of various artificial and natural forests.
Consequently division of grids and numerical calculation of water quality with finite clement method can be carried out on the basis of available method and topographic map of the river course.
The minimal values in active channel and maximal in the near-bank zone are typical for those channel sections where heavy metals, present in a solid state, are transported as a suspended load (normally the largest part of a polluted river course).
Palar River Basin, a crystalline rock region in North Arcot District (Tamil Nadu), India, possesses vast groundwater potential along and near the river course and its lands are fertile.
We found that overall species diversity increased in the Riverway, but remained constant in reference areas, although the relative increase in housing density in the two areas did not differ.
On the whole, our study provides preliminary evidence that aesthetic landscape planning, such as employed in the Lower Wisconsin State Riverway, might constitute a politically viable approach to conserve ecological resources.
A conceptual water balance methodology was used for evaluating groundwater movement among riverway, irrigation ditches, irrigation area and non-irrigation area, based on the recorded water diversion.
The calculated dependences for determining all the necessary parameters of the seepage flows and constructing the curvilinear watercourse profiles are given.
In the case of a circular basis for the shape of the watercourse profile in the plane of the Joukowski variable these dependences coincide with the well-known exact dependences.
Data collected at 245 watercourses in the central European Russia are used to study the correlation of the new index with the anthropogenic load onto watercourses, as well as with the watercourse type and size and the type of substrate.
A part of the foundation of the waiting room is positioned on an old river bed, the subgrade soil is composed of silty soft sand clay. The subgrade had been silicate-consolidated during construction because of the excessive differential settlement, however, the settlement was gradually-increasing after the completion of the project.Since the Xingtai Earthquake in 1966, a study on the necesity of a thorough reinforcement for the whole structure and foundation was essential, hence,an analysis on the soil-foun...
This treatise introduces the application of mathematical model based upon calculation hydraulics, as a tool to solve the problem of determining the treatment level for an urban wastewater plant nearby the river-mouth or estuary area.Owing to the interaction of runoff and tide, and the changeable deposition and erosion, the complexity of estuary dynamic points up the difficulty to solve the problem by using common calculating method, as the wastewater is discharged into the water course from the community si...
Based on the investigation of domestic urban and rural river situations, this artical points out the emergency and demand to develop small-and-middle-sized mud cleaners. Seven different types of mud cleaners and their main usage are introduced.
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