Perera, Kithsiri and Tsuchiya, Kiyoshi (2009) Experiment for mapping land cover and it's change in southeastern Sri Lanka utilizing 250m resolution MODIS imageries. Advances in Space Research, 43 (9). pp. 1349-1355. ISSN 0273-1177
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Official URL: http://dx.doi.org/10.1016/j.asr.2008.12.016
Identification Number or DOI: doi: 10.1016/j.asr.2008.12.016
Abstract
Utilizing freely available MODIS NDVI and Natural color imageries of 250 m spatial resolution produced by NASA, an experiment was made to map land-cover and its change with an emphasis on vegetation cover in southeastern Sri Lanka, which plays a vital role for control of green house gas. For the change detection purpose, 1987 land cover map made by present authors from Landsat MSS image and extensive ground truth survey data was used as the base map. The result of the experiment shows that MODIS data are useful to make a land cover map of 250 m spatial resolution for tropical areas with high cloud coverage like Sri Lanka. It was found that the forest cover decrease amounted as large as 21% in 19 years time span in southeastern Sri Lanka, the prominent forest region of the country. On the other hand homestead/vegetation and mixed vegetation/scrub dominant categories increased by 13.7% and 7.1%, respectively. These changes are considered due to a large clearance of forest areas for agriculture and building houses to accommodate increasing inhabitants.
| Item Type: | Article (Commonwealth Reporting Category C) |
|---|---|
| Additional Information: | Awaiting Author's version which may be deposited in accordance with the copyright policy of the publisher. |
| Uncontrolled Keywords: | land cover map; MODIS; remote sensing |
| Fields of Research (FOR2008): | 07 Agricultural and Veterinary Sciences > 0701 Agriculture, Land and Farm Management > 070199 Agriculture, Land and Farm Management not elsewhere classified 09 Engineering > 0909 Geomatic Engineering > 090905 Photogrammetry and Remote Sensing 05 Environmental Sciences > 0502 Environmental Science and Management > 050206 Environmental Monitoring |
| Subjects: | 260000 Earth Sciences > 269900 Other Earth Sciences > 269999 Earth Sciences not elsewhere classified |
| Socio-Economic Objective (SEO2008): | D Environment > 96 Environment > 9606 Environmental and Natural Resource Evaluation > 960607 Rural Land Evaluation |
| ID Code: | 6463 |
| Deposited By: | |
| Deposited On: | 04 Feb 2010 21:06 |
| Last Modified: | 22 Dec 2011 10:17 |
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