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Using Thematic Mapper data for change detection and sustainable use of cultivated land: a case study in the Yellow River delta, China / G.X. Zhao in International Journal of Remote Sensing IJRS, vol 25 n° 13 (July 2004)  

Public [article]  inInternational Journal of Remote Sensing IJRS > vol 25 n° 13 (July 2004) . - pp 2509 - 2522 Titre : Using Thematic Mapper data for change detection and sustainable use of cultivated land: a case study in the Yellow River delta, China Type de document : Article/Communication Auteurs : G.X. Zhao, Auteur ; G. Lin, Auteur Année de publication : 2004 Article en page(s) : pp 2509 - 2522 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications de télédétection [Termes IGN] agriculture [Termes IGN] analyse diachronique [Termes IGN] Chine [Termes IGN] classification à base de connaissances [Termes IGN] classification dirigée [Termes IGN] classification non dirigée [Termes IGN] delta [Termes IGN] détection de changement [Termes IGN] développement durable [Termes IGN] Fleuve jaune (Chine) [Termes IGN] image Landsat-TM [Termes IGN] surface cultivée [Termes IGN] utilisation du sol Résumé : (Auteur) Preservation of cultivated land is one of China's four basic strategic policies. Timely land use monitoring is a prerequisite of cultivated land management and sustainable utilization. Using digital satellite remote sensing techniques, the intention is to develop a workable procedure for cultivated land change detection in the Yellow River delta region. Four detection methods were assessed. The assessment, in general, suggests that it is difficult to find a single efficient method for cultivated land change detection in the study area, where spectral confusion is widespread due to soil salinization and juxtaposed land use patterns. The knowledge-based visual change detection and classification-result overlay methods are more appropriate than the multi-temporal composite and classification, and image ratioing. The latter two methods are useful and efficient when remote sensing data acquired in the suitable season are available, and distinct spectral characteristics of different land use types exist. The results show that the area of cultivated land in this region decreased by 5321.8 ha over the period 1987 to 1998, i.e. 483.8ha every year, mainly concentrated in the central paddy field region and northeast dry land region. Numéro de notice : A2004-258 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/01431160310001619571 En ligne : https://doi.org/10.1080/01431160310001619571 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=26785 [article]

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