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题名: Mapping Deciduous Rubber Plantation Areas and Stand Ages with PALSAR and Landsat Images
作者: Kou,Weili ; Xiao,Xiangming ; Dong,Jinwei ; Gan,Shu ; Zhai,Deli ; Zhang,Geli ; Qin,Yuanwei ; Li,Li
刊名: REMOTE SENSING
关键词: stand age ; rubber plantations ; phenology ; Xishuangbanna ; Landsat ; PALSAR
英文摘要: Accurate and updated finer resolution maps of rubber plantations and stand ages are needed to understand and assess the impacts of rubber plantations on regional ecosystem processes. This study presented a simple method for mapping rubber plantation areas and their stand ages by integration of PALSAR 50-m mosaic images and multi-temporal Landsat TM/ETM+ images. The L-band PALSAR 50-m mosaic images were used to map forests (including both natural forests and rubber trees) and non-forests. For those PALSAR-based forest pixels, we analyzed the multi-temporal Landsat TM/ETM+ images from 2000 to 2009. We first studied phenological signatures of deciduous rubber plantations (defoliation and foliation) and natural forests through analysis of surface reflectance, Normal Difference Vegetation Index (NDVI), Enhanced Vegetation Index (EVI), and Land Surface Water Index (LSWI) and generated a map of rubber plantations in 2009. We then analyzed phenological signatures of rubber plantations with different stand ages and generated a map, in 2009, of rubber plantation stand ages (<= 5, 6-10, >10 years-old) based on multi-temporal Landsat images. The resultant maps clearly illustrated how rubber plantations have expanded into the mountains in the study area over the years. The results in this study demonstrate the potential of integrating microwave (e.g., PALSAR) and optical remote sensing in the characterization of rubber plantations and their expansion over time.
出版日期: 2015
卷号: 7, 期号:1, 页码:1048-1073
语种: 英语
收录类别: SCI
学科分类: Remote Sensing
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/19367
Appears in Collections:资源植物与生物技术所级重点实验室_期刊论文

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