[1]王宗梅,章皖秋,岳彩荣,等.基于TerraSAR-X 和ALOS PALSAR 数据的森林蓄积量估测研究[J].浙江林业科技,2018,38(01):38-43.[doi:10.3969/j.issn.1001-3776.2018.01.007]
 WANG Zong-mei,ZHANG Wan-qiu,YUE Cai-rong,et al.Estimation of Forest Growing Stock Based on TerraSAR-X and ALOS PALSAR Data: a Case Study in Mengla County of Yunnan Province[J].Journal of Zhejiang Forestry Science and Technology,2018,38(01):38-43.[doi:10.3969/j.issn.1001-3776.2018.01.007]
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基于TerraSAR-X 和ALOS PALSAR 数据的森林蓄积量估测研究()
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《浙江林业科技》[ISSN:1001-3776/CN:33-1112/S]

卷:
38
期数:
2018年01期
页码:
38-43
栏目:
出版日期:
2018-03-30

文章信息/Info

Title:
Estimation of Forest Growing Stock Based on TerraSAR-X and ALOS PALSAR Data: a Case Study in Mengla County of Yunnan Province
作者:
王宗梅章皖秋岳彩荣刘琦
西南林业大学 西南地区生物多样性保育国家林业局重点实验室,云南 昆明 650224
Author(s):
WANG Zong-meiZHANG Wan-qiuYUE Cai-rongLIU Qi
Key Laboratory of Biodiversity Conservation in the Southwest China, Southwest Forestry University, Kunming 650224, China
关键词:
TerraSAR-XALOS PALSAR后向散射系数森林蓄积量
Keywords:
TerraSAR-X ALOS PALSAR backscatter coefficient forest growing stock
分类号:
S758.4
DOI:
10.3969/j.issn.1001-3776.2018.01.007
文献标志码:
A
摘要:
基于2014 年12 月3 日获取的X 波段TerraSAR-X 数据和2008 年10 月19 日获取的L 波段ALOS PALSAR 数据,引入树种类型为哑变量,采用逐步回归的方法,对云南省勐腊县森林蓄积量进行估测。结果表明,与X 波 段TerraSAR-X 数据相比,基于L 波段ALOS PALSAR 数据建立的森林蓄积量模型具有更高的决定系数,R2 为0.843, 模型估测精度为68.8%,均方根误差RMSE 为38.8 m3·hm-2,最终结果证明波长较长的L 波段ALOS PALSAR 数 据对森林蓄积量具有更好的估测效果。
Abstract:
X-band TerraSAR-X data of December 3rd of 2014 and L-band ALOS PALSAR data of October 19th of 2008 were applied for estimation of forest growing stock in Mengla county, Yunnan province by stepwise regression, taking tree species as dummy variable. Result showed that L-band ALOS PALSAR forest growing stock model had determination coefficient R2 of 0.843, accuracy of 68.8%, RMSE 38.8 m3/ha, better than X-band TerraSAR-X. It concluded that L-band ALOS PALSAR data had better estimation effect on forest growing stock.

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备注/Memo

备注/Memo:
收稿日期:2017-07-17 ;修回日期:2017-11-30
基金项目:国家自然科学
基金项目(编号:31260156);云南省林学一流学科建设经费资助(编号:51600625)
作者简介:王宗梅,硕士研究生,从事3S 技术在林业中的应用研究;E-mail:2577073688@qq.com。通信作者:岳彩荣,博士生导师,教 授,从事林业遥感与地理信息系统的应用研究;E-mail:cryue@163.com。
更新日期/Last Update: 2018-03-20