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A geographic information system (GIS) based modeling support system for air quality analysis.

by Shu Keung Choi. / Thesis (M.Phil.)--Chinese University of Hong Kong, 1996. / Includes bibliographical references (leaves 145-150). / ABSTRACT --- p.i / ACKNOWLEDGMENTS --- p.iii / TABLE OF CONTENTS --- p.iv / LIST OF FIGURES --- p.ix / LIST OF PLATES --- p.xi / LIST OF TABLES --- p.xii / Chapter CHAPTER 1. --- INTRODUCTION --- p.1 / Chapter 1.1 --- Concerns on Current Air Quality Modeling Process --- p.2 / Chapter 1.2 --- Objective --- p.2 / Chapter 1.3 --- Rationale --- p.4 / Chapter 1.4 --- System Overview --- p.4 / Chapter 1.5 --- Questions --- p.6 / Chapter 1.6 --- Thesis Organization --- p.6 / Chapter CHAPTER 2. --- LITERATURE REVIEW --- p.8 / Chapter 2.1 --- Introduction --- p.8 / Chapter 2.2 --- Geographic Information System --- p.8 / Chapter 2.2.1 --- Data Assimilation --- p.9 / Chapter 2.2.1.1 --- Data Representation --- p.9 / Chapter 2.2.1.2 --- Data Format --- p.10 / Chapter 2.2.1.3 --- Data Alignment --- p.11 / Chapter 2.2.2 --- Modeling Support --- p.11 / Chapter 2.3 --- Environmental Modeling --- p.12 / Chapter 2.4 --- Integration of GIS and Environmental Modeling --- p.15 / Chapter 2.4.1 --- The Need for Integration --- p.15 / Chapter 2.4.2 --- Forms of Integration --- p.17 / Chapter 2.5 --- Air Quality Modeling --- p.20 / Chapter 2.5.1 --- Classes of Models --- p.21 / Chapter 2.5.1.1 --- Classification by Spatial Scale --- p.21 / Chapter 2.5.1.2 --- Classification by Modeling Approach --- p.22 / Chapter 2.6 --- Gaussian Plume Models --- p.24 / Chapter 2.6.1 --- Formulation --- p.24 / Chapter 2.6.2 --- Determination of σy and σz --- p.25 / Chapter 2.6.3 --- The Stability Classification --- p.26 / Chapter 2.6.4 --- Estimation of σy and σz --- p.27 / Chapter 2.6.5 --- Assumptions in the Gaussian Model --- p.30 / Chapter 2.7 --- Air Quality Model Evaluation --- p.31 / Chapter 2.7.1 --- Model Uncertainties --- p.31 / Chapter 2.7.1.1 --- Inherent Uncertainty --- p.31 / Chapter 2.7.1.2 --- Reducible Uncertainty Errors --- p.33 / Chapter 2.7.1.2.1 --- Meteorological Data Errors --- p.33 / Chapter 2.7.1.2.2 --- Emission Data Errors --- p.34 / Chapter 2.7.1.2.3 --- Model Errors --- p.34 / Chapter 2.7.2 --- Operational Performance Evaluation --- p.36 / Chapter 2.7.2.1 --- Woods Hole Performance Measures --- p.36 / Chapter 2.7.2.2 --- Fractional Bias and Fractional Scatter --- p.38 / Chapter 2.7.2.3 --- Measuring the Normalized Ratios --- p.39 / Chapter 2.7.2.4 --- Combination of Statistical Measures --- p.40 / Chapter 2.8 --- Visualization --- p.43 / Chapter 2.8.1 --- Visualization Software Framework --- p.43 / Chapter 2.8.2 --- GIS and Visualization --- p.46 / Chapter 2.9 --- Conclusion --- p.47 / Chapter CHAPTER 3. --- SYSTEM DESIGN --- p.48 / Chapter 3.1 --- System Overview --- p.48 / Chapter 3.2 --- Supported Models --- p.50 / Chapter 3.3 --- System Software Platforms --- p.51 / Chapter 3.3.1 --- ARC/INFO --- p.52 / Chapter 3.3.1.1 --- Overview --- p.52 / Chapter 3.3.1.2 --- The Role in the System --- p.53 / Chapter 3.3.2 --- Advanced Visualization System (AVS) --- p.54 / Chapter 3.3.2.1 --- Overview --- p.54 / Chapter 3.3.2.2 --- The Role in the System --- p.54 / Chapter 3.4 --- System Requirements and Specification --- p.56 / Chapter 3.4.1 --- Notation --- p.56 / Chapter 3.4.2 --- Data Preprocessing --- p.57 / Chapter 3.4.3 --- Data Postprocessing --- p.63 / Chapter 3.4.4 --- Model Performance Evaluation --- p.68 / Chapter 3.4.5 --- Visualization --- p.74 / Chapter 3.4.5.1 --- Reading ARC/INFO Data --- p.74 / Chapter 3.4.5.2 --- Applying Visualization Techniques --- p.77 / Chapter 3.4.5.2.1 --- Surface Mesh --- p.77 / Chapter 3.4.5.2.2 --- Multi-window Approach --- p.79 / Chapter 3.5 --- Data File Format --- p.85 / Chapter CHAPTER 4. --- A TEST CASE --- p.92 / Chapter 4.1 --- Introduction --- p.92 / Chapter 4.2 --- Test Case Components --- p.92 / Chapter 4.2.1 --- Study Area --- p.92 / Chapter 4.2.2 --- Source Data --- p.93 / Chapter 4.2.3 --- Air Quality Model - MPTER --- p.93 / Chapter 4.2.4 --- Meteorological Data Preprocessor - RAMMET --- p.95 / Chapter 4.3 --- Executing the Test Case --- p.95 / Chapter 4.3.1 --- Main Menu --- p.95 / Chapter 4.3.2 --- Viewing the study area --- p.96 / Chapter 4.3.3 --- Data Preprocessing --- p.96 / Chapter 4.3.3.1 --- Define Data Mapper --- p.98 / Chapter 4.3.3.2 --- Execute Data Preprocessor --- p.101 / Chapter 4.3.3.3 --- Meteorological Data Preprocessing --- p.102 / Chapter 4.3.3.4 --- Model Input File Editing --- p.103 / Chapter 4.3.3.5 --- Discussions --- p.105 / Chapter 4.3.4 --- Model Execution --- p.107 / Chapter 4.3.5 --- Data Postprocessing --- p.107 / Chapter 4.3.5.1 --- Import Model Result to GIS --- p.108 / Chapter 4.3.5.2 --- Iso-line of Concentration Map --- p.108 / Chapter 4.3.5.3 --- Discussions --- p.109 / Chapter 4.3.6 --- Model Performance Evaluation --- p.112 / Chapter 4.3.6.1 --- Program Execution --- p.113 / Chapter 4.3.6.2 --- Discussions --- p.113 / Chapter 4.3.7 --- Visualization --- p.116 / Chapter 4.3.7.1 --- Surface Mesh --- p.116 / Chapter 4.3.7.2 --- Multi-window Approach for 4D Data set --- p.117 / Chapter 4.3.7.2.1 --- Overview --- p.117 / Chapter 4.3.7.2.2 --- Overall Controls and Relations between Viewers --- p.121 / Chapter 4.3.7.2.3 --- Independent Controls within Each Viewers --- p.122 / Chapter 4.3.7.2.4 --- "The x,y,z-volume Viewer" --- p.123 / Chapter 4.3.7.2.5 --- "x,y,t-volume in ViewerZ" --- p.128 / Chapter 4.3.7.2.6 --- Other Viewers --- p.132 / Chapter 4.3.7.3 --- Discussions --- p.134 / Chapter 4.4 --- Conclusion --- p.137 / Chapter CHAPTER 5. --- CONCLUSION --- p.138 / Chapter 5.1 --- System Design Summary --- p.138 / Chapter 5.2 --- Summary of the Functions --- p.139 / Chapter 5.2.1 --- Data Preprocessing --- p.139 / Chapter 5.2.2 --- Data Postprocessing --- p.140 / Chapter 5.2.3 --- Model Evaluation --- p.140 / Chapter 5.2.4 --- Visualization --- p.141 / Chapter 5.3 --- Further Research --- p.143 / BIBLIOGRAPHY --- p.145

Identiferoai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_321548
Date January 1996
ContributorsChoi, Shu Keung., Chinese University of Hong Kong Graduate School. Division of Geography.
PublisherChinese University of Hong Kong
Source SetsThe Chinese University of Hong Kong
LanguageEnglish
Detected LanguageEnglish
TypeText, bibliography
Formatprint, xii, 150 leaves : ill. (some col., some mounted) ; 30 cm.
CoverageChina, Hong Kong, China, Hong Kong
RightsUse of this resource is governed by the terms and conditions of the Creative Commons “Attribution-NonCommercial-NoDerivatives 4.0 International” License (http://creativecommons.org/licenses/by-nc-nd/4.0/)

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