This is an introduction about the Western province of Sri Lanka that was prepared to fulfill the requirement of a course unit of Master of Natural Environmental Studies, Utokyo.
2. Content
1. Data
2. General introduction
3. GIS analysis results
• Area
• Inland water
• Population
• Land use
• Road network
• Railways
4. Places
2
3. Data and software
1. Vector data
• Polygons and Line layers
• Data source : Survey department of Sri Lanka through the GIS
and Remote sensing course in PGIS of University of Peradeniya
2. Raster data
• Photos
• Data source : Internet
3. Other
• Census
• Data source : Department of Census and Statistics of Sri Lanka
and www.citypopulation.de
3
Software - ArcGIS, MS Excel
Data
5. Area (km2)
5
• Total area
• 3078.30 Km2
• Inland water
• About 91 km2
Data source : Survey department of Sri Lanka and
Department of census and statistics of Sri Lanka
• Streams
• 1317 km
GIS analysis - Area
6. Population
Total population
5,851,130 (5.8 millions)
• ~ 44% of Total population
of Sri Lanka
• Gampaha and Colombo
are the highest populated
Data source : Department of census and statistics
of Sri Lanka
6
GIS analysis - Population
7. Population
distribution
DS unit wise
Population
7
Total population
5,851,130 (5.8 millions)
• ~ 44% of Total population
of Sri Lanka
• Gampaha and Colombo
are the highest populated
GIS analysis - Population
Data source : Department of census
and statistics of Sri Lanka and
http://www.citypopulation.de/SriLank
a-Cities.html
8. Population density
The highest in West part/costal
line
Population
8
Data source : Department of census
and statistics of Sri Lanka and
http://www.citypopulation.de/SriLank
a-Cities.html
Population
distribution
DS unit wise
GIS analysis - Population
9. Population
9
Colombo city properPopulation density
The highest in West part/costal
line
GIS analysis - Population
Data source : Department of census and statistics of Sri Lanka
10. General
Land Use
Data source : Department of Survey Sri Lanka
10
A Coconut plantation
Sunday Observer(2010)
Paddy fields
https://www.flickr.com/photos/858
6609@N04/2298023333
General Land Use vs Population density GIS analysis – Land use
11. 11
General Land Use vs Population density
Data source : Department of Survey Sri Lanka
Specific factors of Higher population
density area
• Export processing zones – industries
• Harbor and Airport
• Tourism industry in coastal regions
GIS analysis - comparison
12. Road network
Data source : Survey department of Sri Lanka 12
• A category – main
roads
• 273 km
• B category –
secondary roads
• 504 km
• Total road network
• 2006 km
GIS analysis - Roads