Developing spatially and thematically detailed backdated maps for land cover studies
作者机构：Dep GeografiaGrumets Research GroupUniversitat Autònoma de BarcelonaBellaterraCataloniaSpain Dep Biologia AnimalVegetal i EcologiaGrumets Research GroupUniversitat Autònoma de BarcelonaBellaterraCataloniaSpain
出 版 物：《International Journal of Digital Earth》 (国际数字地球学报（英文）)
年 卷 期：2017年第10卷第2期
页 面：175-206页
核心收录：
学科分类：0502[文学-外国语言文学] 050201[文学-英语语言文学] 05[文学]
基 金：supported by the Spanish Ministry of Economy and Competitiveness[grant number BES-2013-063766] European Union’s Horizon 2020 Programme[ECOPOTENTIAL(641762-2)] Spanish Ministry of Economy and Competitiveness[ACAPI(CGL2015-69888-P MINECO/FEDER)],[DinaClive(CGL2012-33927)] Catalan Government[SGR2014-1491]
主 题：Land cover mapping Landsat statistical classifiers backdating Iberian Peninsula
摘 要：Global or regional land cover change on a decadal time scale can be studied at a high level of detail using the availability of remote sensing data such as that provided by ***,there are three main technical challenges in this ***,the generation of land cover maps without reference data is problematic(backdating).Second,it is important to maintain high accuracies in land cover change map products,requiring a reasonably rich legend within each ***,a high level of automation is necessary to aid the management of large volumes of *** paper describes a robust methodology for processing time series of satellite data over large spatial *** methodology includes a retrospective analysis used for the generation of training and test data for historical periods lacking reference *** methodology was developed in the context of research on global change in the Iberian *** this study we selected two scenes covering geographic regions that are representative of the Iberian *** each scene,we present the results of two classifications(1985-1989 and 2000-2004 quinquennia),each with a legend of 13 *** overall accuracy of over 92%was obtained for all 4 maps.
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