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The water quality pollution and ecological deterioration in peri-urban rivers are usually serious under rapid urbanization
and economic growth. In the study, a typical peri-urban river, Nansha River, was selected as a case study to discuss the
scheme of peri-urban river rehabilitation. Located in the north part of the Beijing central region, the Nansha River watershed
has been designated as an ecologically friendly garden-style area with high-tech industry parks and upscale residential zones.
However, the Nansha River is currently seriously contaminated by urban and rural pollutants from both nonpoint sources (NPS) and
point sources (PS). In this study, the pollutant loads from point sources and nonpoint sources in the Nansha River watershed were
first assessed. A coupled model, derived from the Environmental Fluid Dynamics Code and Water Quality Analysis Simulation Program,
was developed to simulate the hydrodynamics and water quality in the Nansha River. According to the characteristics of the typical
peri-urban river, three different PS and NPS control scenarios were designed and examined by modeling analyses. Based on the results
of the scenario analysis, a river rehabilitation scheme was recommended for implementation.
The simplest solution for water pollution prevention is to be responsible with any chemical use:
Read and explicitly follow the directions for mixing and usedirt hands
Use organic options whenever possible. (Check your local stormwater division for suggestions.)
Prevent spills. As spills are generally accidental, prepare in advance to contain and absorb
the solution if there is a spill.
Don't leave the unused chemicals exposed to weather. Dispose of the leftover chemicals and
container properly (per the product instructions, or check with your local municipality).
Do not apply near water systems like wells, streams, lakes, or curb inlets/drains.
Referance:
https://link.springer.com/article/10....
https://www.erosionpollution.com/wate...
https://www.google.co.in/url?sa=t&rct...
http://www.simple-approach-to-healthy...
https://www.google.co.in/url?sa=t&rct...
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