基于遥感数据和GIS的阿尔及利亚巴特纳市东部土地利用/覆被变化和地表温度探测

IF 0.4 Q4 GEOSCIENCES, MULTIDISCIPLINARY
Imane Taharchaouche
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引用次数: 0

摘要

& # x0D;& # x0D;& # x0D;本文旨在利用遥感和GIS技术对阿尔及利亚北部巴特纳市东部土地利用/土地覆盖类型分类的准确性进行评价,并对其变化趋势进行评估。利用监督分类技术对2000年、2010年、2022年遥感影像土地卫星(Land Sat)的精度进行了评价,并利用GOOGLE EARTH PRO和影像土地利用地形图对其进行了评价。第二部分主要分三个阶段提取地表温度,并探讨了两个土地覆盖指数(NDVI、NDBI)与地表温度的关系。结果表明:2000-2022年,建成区面积增加0.34% (6.638km2),森林面积增加1.8% (35.144km2),农用地面积增加1.12% (21.867km2),裸地面积减少2.17% (42.368km2)。裸地向城市用地的转变是土地覆盖变化最显著的区域。本研究的准确性评估和相关系数R2分析证实了前人的研究结果。即使是建成区、裸地和植被等单一土地利用单元,也会造成地表温度的差异(NDBI与地表温度的R2在0.64 ~ 0.79之间;NDVI与LST的比值范围为-0.73至-0.82)。随着LU/LC风格的变化,其印记也在LST上体现出来。因此,必须立即采取、发起和实施对新城市主义的反思,以阻止导致研究区域气候变化的变暖。& # x0D;& # x0D;
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Detection of Land Use/Land Cover Change and Land Surface Temperature in the Eastern Part of Batna City (North East Algeria) Using Remote Sensing Data and GIS
The present paper aims to evaluate the accuracy of classifying Land Use /Land Cover (LULC) types and assesses the trends of their changes in the Eastern Part of Batna City (Northernf Algeria) using remote sensing and GIS. The accuracy of image Land Satellite (Land Sat ) was evaluated using the supervised classification technique, it’s applied in multi spectral and multi temporal satellite data acquired in 2000,2010,2022 and assessed with GOOGLE EARTH PRO and IMAGERY Land Use and topographical map. The second part focused on extraction of LST in three phases and explored the relationship between two land cover indices (NDVI, NDBI) and LST.LU/LC detected, quantified, and stati- cally analyzed, the result indicate that from 2000-2022 the built-up areas increased by 0.34% (6.638km2), the forest area increased by 1.8% (35.144km2), agricultural land cover increased by 1.12% (21.867km2), while bare land decreased by 2.17% (42.368km2). The conversions of areas from bare land to urban land represent the most significant Land Cover changes. The accuracy assessment and correlation coefficient R2 analysis in this study affirms the previous research findings. Even a single land use unit like built-up area, bare land and vegetation also create differences in LST (R2 of NDBI vs. LST ranges from 0.64 to 0.79; NDVI vs. LST ranges from -0.73 to -0.82). With the change of the LU/LC style, its imprint is reflected on the LST. Therefore, immediate reflection on new urbanism must be adopted, initiated and implemented to stop the warming that contributes to climate change in the study area.
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来源期刊
Journal of Geology Geography and Geoecology
Journal of Geology Geography and Geoecology GEOSCIENCES, MULTIDISCIPLINARY-
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40.00%
发文量
57
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