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Design of greenbelts around Industrial complexes to reduce the impact of air and noise pollution  


Abstract Category: Engineering
Course / Degree: Master of Philosphy (M.Phil) in Environmental Science & Engineering
Institution / University: Pondicherry Central University , India
Published in: 1998


Thesis Abstract / Summary:

The thesis deals with technical approach, factors and parameters, which were considered for designing and modeling of Greenbelt (GB) around industrial complexes, for reducing the impact of air and noise pollution. The design and development of GBs for pollution control is very much interesting. The thesis is the first in India and one of the few in the world. In this study the GB was scientifically designed to combat the impacts of air and noise pollution. GB development with the objective of air pollution attenuation is a site-specific activity as it depends on the source strength, meteorological conditions of site and the indigenous flora of the area. All these parameters differ from place to place either naturally or anthropologically because of their geographical location.

The contents of the thesis are:

Chapter I: Introduction and brief history of the greenbelt
This chapter defines a “Greenbelt” as a strip of such species and such geometry, that when planted around a source, significantly attenuates the air pollution by intercepting and assimilating the pollutants in a sustainable manner. The chapter gives information about the historical background of GB.

Chapter II: Vegetation as a sink for air pollutants
This chapter discusses about vegetation acting as pollutant sink and particulate filters. Many observations are cited in this chapter and considerable quantitative data are available. This chapter states the effectiveness of the GB depends on the selection of the right type of the tree species tolerant to the particular pollutants of that area.

Chapter III: Types of greenbelt and their applications
This chapter discusses about the different types of objective planting such as ‘wind breaks’, ‘shelter belts’, and ‘greenbelts’. It also depicts different types of trees suitable for various air pollution and noise types. It mentions about the importance of air pollution tolerance index (APTI) and APTI for different species of plants.

Chapter IV: Approach to greenbelt design
This chapter gives a clear approach in selecting suitable plant species, determining climatic and meteorological parameters, studying wind and temperature profiles, nature of pollutants to be ameliorated and general landscape and geography on the velocity and width of buffer zones.

Chapter V: Greenbelt design based on mathematical models
This chapter tells about the GB designing based on mathematical modeling and four steps involved: (i) stability characterization (ii) dispersion estimation, pollutant concentration and plume geometry estimation (iii) estimation of GB design parameters and (iv) deciding location of GB.

Chapter VI: Solutions and testing of models
The solution and testing of models characterized the atmospheric stability using easily available synoptic meteorological data and following the algorithm as shown in this chapter. The step uses Mohn Obukhov model to estimate the stability dependent parameter (Mohn Obukhov length) which is subsequently used to characterize the atmospheric stability.

Chapter VII: Results and Discussion
This chapter discusses with the behavior of the important variables in the designing of GB. Coastal area effect was considered for GB design for coastal zones. The result discusses that if the greenbelt has to be effective it should be planted where the pollutant plume is certain to come close to the ground and there is need for the plume behavior to be forecasted.

The whole thesis says that the design of the GB and its composition may vary from place to place and industry to industry. The planning of GB, shelter belt or pollution sink combines all facets of plant characters, horticultural conditions, like tolerance, canopy structure, foliage form, height of plant, overall flowering and production potential in order to access their suitability and performance in a stressed ecological situation of a polluted environment.


Thesis Keywords/Search Tags:
Greenbelt, pollution, vegetation, sink, tolerant, APTI, mathematical modeling, Mohn Obukhov model, algorithm, dispersion, stability, geometry

This Thesis Abstract may be cited as follows:
Saji, B. (1998). Design of greenbelts around Industrial complexes to reduce the impact of air and noise pollution. M. Phil thesis from Centre for Pollution Control & Energy Technology, Pondichery Central University, Pondichery


Submission Details: Thesis Abstract submitted by Saji Baby from India on 22-Mar-2006 02:41.
Abstract has been viewed 4293 times (since 7 Mar 2010).

Saji Baby Contact Details: Email: sajimathewvk@gmail.com



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