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Multi-temporal landsat images based on eco-environmental change analysis in and around Chah Nimeh reservoir, Balochestan (Iran)

Chah Nimeh reservoirs have served as a water storage facility, especially during droughts over the last three decades. It is also an important wintering site for migratory birds. In this study, thematic mapper time-series data were derived from Landsat images for prolonged droughts that occurred in...

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Main Authors: Amiri, Fazel, Rahdari, Vahid, Najafabadi, Saeideh Maleki, Pradhan, Biswajeet, Tabatabaei, Tayebeh
Format: Article
Published: Springer Verlag 2014
Online Access:http://psasir.upm.edu.my/id/eprint/34614/
http://link.springer.com/article/10.1007/s12665-013-3004-9
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spelling my.upm.eprints.346142016-01-18T06:33:11Z http://psasir.upm.edu.my/id/eprint/34614/ Multi-temporal landsat images based on eco-environmental change analysis in and around Chah Nimeh reservoir, Balochestan (Iran) Amiri, Fazel Rahdari, Vahid Najafabadi, Saeideh Maleki Pradhan, Biswajeet Tabatabaei, Tayebeh Chah Nimeh reservoirs have served as a water storage facility, especially during droughts over the last three decades. It is also an important wintering site for migratory birds. In this study, thematic mapper time-series data were derived from Landsat images for prolonged droughts that occurred in two satellite images (2002 and 2011). The data derived from these images were used for the detection of changes in land cover and water storage in the reservoirs. First, a vegetation cover map was produced using soil-adjusted vegetation index and field sampling. Subsequently, land use/cover maps were generated using supervised and hybrid image classification method. Using the spatial change detector (SCD v1.0) software extension, the layers were combined and the change map was generated. The overall accuracy of the produced thematic images was assessed in regards to quantity and allocation disagreements. A total of five classes were defined in this investigation: deep water, shallow water, vegetation, salt land and bare land. The results showed that during the period of study, water volume reduced and vegetation cover increased, especially around the reservoirs that are important as shelter for wintering migratory birds. Comparison of land use/cover maps showed the increase in total available surface of shallow water, which indicated an increase in the habitats for surface feeding and diving birds. Springer Verlag 2014-08 Article PeerReviewed Amiri, Fazel and Rahdari, Vahid and Najafabadi, Saeideh Maleki and Pradhan, Biswajeet and Tabatabaei, Tayebeh (2014) Multi-temporal landsat images based on eco-environmental change analysis in and around Chah Nimeh reservoir, Balochestan (Iran). Environmental Earth Sciences, 72 (3). pp. 801-809. ISSN 1866-6280; ESSN: 1866-6299 http://link.springer.com/article/10.1007/s12665-013-3004-9 10.1007/s12665-014-3089-9
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
description Chah Nimeh reservoirs have served as a water storage facility, especially during droughts over the last three decades. It is also an important wintering site for migratory birds. In this study, thematic mapper time-series data were derived from Landsat images for prolonged droughts that occurred in two satellite images (2002 and 2011). The data derived from these images were used for the detection of changes in land cover and water storage in the reservoirs. First, a vegetation cover map was produced using soil-adjusted vegetation index and field sampling. Subsequently, land use/cover maps were generated using supervised and hybrid image classification method. Using the spatial change detector (SCD v1.0) software extension, the layers were combined and the change map was generated. The overall accuracy of the produced thematic images was assessed in regards to quantity and allocation disagreements. A total of five classes were defined in this investigation: deep water, shallow water, vegetation, salt land and bare land. The results showed that during the period of study, water volume reduced and vegetation cover increased, especially around the reservoirs that are important as shelter for wintering migratory birds. Comparison of land use/cover maps showed the increase in total available surface of shallow water, which indicated an increase in the habitats for surface feeding and diving birds.
format Article
author Amiri, Fazel
Rahdari, Vahid
Najafabadi, Saeideh Maleki
Pradhan, Biswajeet
Tabatabaei, Tayebeh
spellingShingle Amiri, Fazel
Rahdari, Vahid
Najafabadi, Saeideh Maleki
Pradhan, Biswajeet
Tabatabaei, Tayebeh
Multi-temporal landsat images based on eco-environmental change analysis in and around Chah Nimeh reservoir, Balochestan (Iran)
author_facet Amiri, Fazel
Rahdari, Vahid
Najafabadi, Saeideh Maleki
Pradhan, Biswajeet
Tabatabaei, Tayebeh
author_sort Amiri, Fazel
title Multi-temporal landsat images based on eco-environmental change analysis in and around Chah Nimeh reservoir, Balochestan (Iran)
title_short Multi-temporal landsat images based on eco-environmental change analysis in and around Chah Nimeh reservoir, Balochestan (Iran)
title_full Multi-temporal landsat images based on eco-environmental change analysis in and around Chah Nimeh reservoir, Balochestan (Iran)
title_fullStr Multi-temporal landsat images based on eco-environmental change analysis in and around Chah Nimeh reservoir, Balochestan (Iran)
title_full_unstemmed Multi-temporal landsat images based on eco-environmental change analysis in and around Chah Nimeh reservoir, Balochestan (Iran)
title_sort multi-temporal landsat images based on eco-environmental change analysis in and around chah nimeh reservoir, balochestan (iran)
publisher Springer Verlag
publishDate 2014
url http://psasir.upm.edu.my/id/eprint/34614/
http://link.springer.com/article/10.1007/s12665-013-3004-9
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score 13.211869

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