Observing the Middle Elbe Biosphere in Germany by Means of TerraSAR-X Images

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Observing the Middle Elbe Biosphere in Germany by Means of TerraSAR-X Images. / Farghaly, Dalia; Elba, Emad; Urban, Brigitte.
In: International Journal of Geosciences, Vol. 5, No. 2, 01.01.2014, p. 196-205.

Research output: Journal contributionsJournal articlesResearchpeer-review

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@article{811dd252ffce46e5842addf80accb5e8,
title = "Observing the Middle Elbe Biosphere in Germany by Means of TerraSAR-X Images",
abstract = "The Lower Saxonian Elbe Valley Biosphere Reserve is part of the UNESCO Biosphere Reserve “Elbe River Landscape”, and used mainly for agriculture. One of tasks of the Biosphere Reserve Administration is to develop sustainable forms of land use which requires comprehensive updated land cover maps. Land use maps are hard to produce because of surveying costs and time. Nevertheless, these large areas need to be monitored. Ter-raSAR-X images are used to establish agricultural land use maps. In this study, two areas are selected within the Elbe Biosphere Reserve situated around the oxbows Wehninger Werder and Walmsburger Werder. Multi tem-poral classification methods were used to identify the different crops using maximum likelihood classifier for the years 2010 and 2011. The crop classifications were used to evaluate the effect of the number of images, the neces-sity of polarizations, and the consequences of some missing images within the crop calendar. These classificationswere analyzed to estimate producer accuracy and Kappa index for each crop besides the overall accuracy for each agricultural land use map. The study shows that using dual polarization imagery enhances producer accu-racies for many crops over the single polarization imagery, and demonstrates the importance of using frequent images during the cultivation period.",
keywords = "Sustainability Science, agricultural Land use, Elbe river, Multi temporal classification, TerraSAR-X, UNESCO Biosphere reserves",
author = "Dalia Farghaly and Emad Elba and Brigitte Urban",
year = "2014",
month = jan,
day = "1",
doi = "10.4236/ijg.2014.52021",
language = "English",
volume = "5",
pages = "196--205",
journal = "International Journal of Geosciences",
issn = "2156-8359",
publisher = "Scientific Research Publishing Inc",
number = "2",

}

RIS

TY - JOUR

T1 - Observing the Middle Elbe Biosphere in Germany by Means of TerraSAR-X Images

AU - Farghaly, Dalia

AU - Elba, Emad

AU - Urban, Brigitte

PY - 2014/1/1

Y1 - 2014/1/1

N2 - The Lower Saxonian Elbe Valley Biosphere Reserve is part of the UNESCO Biosphere Reserve “Elbe River Landscape”, and used mainly for agriculture. One of tasks of the Biosphere Reserve Administration is to develop sustainable forms of land use which requires comprehensive updated land cover maps. Land use maps are hard to produce because of surveying costs and time. Nevertheless, these large areas need to be monitored. Ter-raSAR-X images are used to establish agricultural land use maps. In this study, two areas are selected within the Elbe Biosphere Reserve situated around the oxbows Wehninger Werder and Walmsburger Werder. Multi tem-poral classification methods were used to identify the different crops using maximum likelihood classifier for the years 2010 and 2011. The crop classifications were used to evaluate the effect of the number of images, the neces-sity of polarizations, and the consequences of some missing images within the crop calendar. These classificationswere analyzed to estimate producer accuracy and Kappa index for each crop besides the overall accuracy for each agricultural land use map. The study shows that using dual polarization imagery enhances producer accu-racies for many crops over the single polarization imagery, and demonstrates the importance of using frequent images during the cultivation period.

AB - The Lower Saxonian Elbe Valley Biosphere Reserve is part of the UNESCO Biosphere Reserve “Elbe River Landscape”, and used mainly for agriculture. One of tasks of the Biosphere Reserve Administration is to develop sustainable forms of land use which requires comprehensive updated land cover maps. Land use maps are hard to produce because of surveying costs and time. Nevertheless, these large areas need to be monitored. Ter-raSAR-X images are used to establish agricultural land use maps. In this study, two areas are selected within the Elbe Biosphere Reserve situated around the oxbows Wehninger Werder and Walmsburger Werder. Multi tem-poral classification methods were used to identify the different crops using maximum likelihood classifier for the years 2010 and 2011. The crop classifications were used to evaluate the effect of the number of images, the neces-sity of polarizations, and the consequences of some missing images within the crop calendar. These classificationswere analyzed to estimate producer accuracy and Kappa index for each crop besides the overall accuracy for each agricultural land use map. The study shows that using dual polarization imagery enhances producer accu-racies for many crops over the single polarization imagery, and demonstrates the importance of using frequent images during the cultivation period.

KW - Sustainability Science

KW - agricultural Land use

KW - Elbe river

KW - Multi temporal classification

KW - TerraSAR-X

KW - UNESCO Biosphere reserves

UR - https://www.mendeley.com/catalogue/93d355d7-4dc5-33bd-a7d6-21d2bae2aa07/

U2 - 10.4236/ijg.2014.52021

DO - 10.4236/ijg.2014.52021

M3 - Journal articles

VL - 5

SP - 196

EP - 205

JO - International Journal of Geosciences

JF - International Journal of Geosciences

SN - 2156-8359

IS - 2

ER -

DOI

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