Introduction on Western province of Sri Lanka

Tharindu Dilan

Environmental information Science

Department of Natural Environmental Studies

University of Tokyo1

© Chamath237

Content

1. Data

2. General introduction

3. GIS analysis results• Area

• Inland water

• Population

• Land use

• Road network

• Railways

4. Places

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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

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Software - ArcGIS, MS Excel

Data

General introduction

Districts of Western province

4Data source : Department of Survey Sri Lanka

Area (km2)

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• 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

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

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GIS analysis - Population

Population distributionDS unit wise

Population

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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 censusand statistics of Sri Lanka andhttp://www.citypopulation.de/SriLanka-Cities.html

Population density The highest in West part/costal line

Population

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Data source : Department of censusand statistics of Sri Lanka andhttp://www.citypopulation.de/SriLanka-Cities.html

Population distributionDS unit wise

GIS analysis - Population

Population

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Colombo city proper Population density The highest in West part/costal line

GIS analysis - Population

Data source : Department of census and statistics of Sri Lanka

General Land Use

Data source : Department of Survey Sri Lanka 10

A Coconut plantationSunday Observer(2010)

Paddy fields https://www.flickr.com/photos/8586609@N04/2298023333

General Land Use vs Population density GIS analysis – Land use

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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

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

Railways

Data source : Department of Survey Sri Lanka 13

• Total length

• 199.1 km

©Scott Eddy

GIS analysis - Railway

Places

http://www.keralatravelonline.com/destination.php?id=131

• Colombo – the commercial capital of Sri Lanka

http://www.travelweekly-asia.com/Travel-News/Government/Colombo-to-host-Asia-Hotel-Tourism-Investment-Conference©thekoala/iStock

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Places

Places

• Katunayaka –

international air port

http://www.navjot-singh.com/airline-pr/category/srilankan-airlines

©Navjot Singh

http://archives.sundayobserver.lk/2011/10/23/fea05.asp

• Colombo Harbor

15http://nabataea.net/bengal.html

• Ancient maritime

trade route between Rome and China

Places

• Kelaniya temple - 500 BC

Places

http://archives.sundayobserver.lk/2011/10/23/fea05.asp©Tony Dernando

http://www.northernlight.lk/destinations/colombo/kelaniya-temple/

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Places

Thank you

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