南地中海森林蒸散发的遥感研究。申请阿尔及利亚比萨森林

Ababou Adda, C. Mohammed, Saidi Djamel, B. Abdelkader, Mederbal Khalladi
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引用次数: 2

摘要

本研究利用简化地表能量平衡指数(S-SEBI)算法和四幅Landsat-5专题地图图像,评估了地中海以南阿尔及利亚最健康的森林之一比萨森林的蒸散发(ET)。结果表明,不同季节的蒸散量存在差异,春季蒸散量最大,夏季蒸散量最小;归一化植被指数(NDVI)与ET的关系表明,除1月份NDVI值最低时ET值也较高外,其他季节ET值均与NDVI值最高时一致。ET的强度与各向异性密切相关,东南暴露ET最高,西北暴露ET最低。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Remote Sensing of Evapotranspiration in a Southern Mediterranean Forest. Application to Bissa Forest, Algeria
The Simplified Surface Energy Balance Index (S-SEBI) algorithm was used in this study with four Landsat-5 Thematic Mapper images to assess the evapotranspiration (ET) in Bissa forest, one of the healthiest Algerian forests located south of the Mediterranean Sea. Results showed that ET varies over the different seasons, the highest ET values were reached during the spring due to water availability, whereas, the lowest values were recorded during the summer. The relationship between normalized difference vegetation index (NDVI) and ET showed that the highest ET values coincide always with the highest NDVI except for January where even the lowest NDVI values correspond to higher ET. The intensity of ET was closely related to aspects, southeastern exposures showed the highest ET, whereas, northwestern exposures showed the lowest ET.
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