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遥感技术与应用  2014, Vol. 29 Issue (2): 224-231    DOI: 10.11873j.issn.1004-0323.2014.2.0224
模型与反演     
洪河湿地植被地上生物量遥感反演研究
韩颖1,裴亮1,杜嘉2
(1.辽宁工程技术大学,辽宁 阜新 123000;
2.中国科学院东北地理与农业生态研究所,吉林 长春 130012)
Remote Sensing Inversion of Aboveground Biomass over the Honghe Wetland
Han Ying1,Pei Liang1,Du Jia2
(1.LiaoNing Technical University,Fuxin 123000,China;
2.Northeast Institute of Geography and Agro ecology,Chinese Academy of Sciences,Jilin 130012,China)
 全文: PDF(2639 KB)  
摘要:

在对洪河湿地植被地上生物量实地采样调查的基础上,利用准同步的TM数据建立了洪河湿地地上生物量遥感反演模型。主要研究了洪河湿地植被地上生物量的空间分布情况,并结合研究区的DEM分析生物量空间分布特征和高程的相关关系。并分析了不同生物量范围内,生物量与高程之间相关性存在差异的原因。研究表明:多元回归模型与其他模型相比拟合精度最高,决定系数为0.813,是洪河湿地地上生物量估算的精度最优模型;经估算得到2007年洪河湿地地上生物量主要集中分布于600~1 200 g/m2之间,总生物量为2.4856×108g,平均生物量为934.7105 g/m2。通过生物量与DEM的相关分析得到,在生物量值为0~600 g/m2的低生物量分布区域,生物量与高程之间存在较好的相关性,相关系数为0.79839;在生物量为600~1 200 g/m2和1 200 g/m2以上范围内,生物量与高程值之间相关性较弱。

关键词: 地上生物量相关分析反演模型洪河湿地    
Abstract:

The remote sensing inversion models for the aboveground biomass of the Honghe Wetland were established by TM data and the field investigation of aboveground biomass around the Honghe Wetland. The spatial distribution of aboveground biomass of the Honghe Wetland and the relationship between the biomass and the DEM were analyzed.The reasons for within different biomasses,the correlation between biomass and elevation differences were analyzed too.The result showed:The multiple regressions had a higher fitting precision than other regressions,and R2 was 0.813;The total biomass of Honghe Wetland was 2.4856×108g and the average was 934.7105 g/m2 in 2007;The biomass mainly concentrated between 600 and 1 200 g/m2.The composite analysis of the biomass and DEM showed that the biomass was between 0 and 600 g/m2 which had a good correlation,the correlation coefficient was 0.79839.The biomass was between 600 and 1 200 g/m2 and above 1 200 g/m2 which showed a poor correlation.

Key words: Aboveground Biomass    Correlation analysis    Inversion Model    Honghe Wetland
收稿日期: 2012-04-05 出版日期: 2014-05-14
:  TP 79  
基金资助:

973计划项目(2010CB951304)。

通讯作者: 杜嘉(1980-),男,辽宁长春人,助理研究员,主要从事定量遥感研究。Email:horrizon@126.com。   
作者简介: 韩颖(1986-),女,辽宁新民人,硕士研究生,主要从事定量遥感研究。Email:jiayouqiyehe@163.com。
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引用本文:

韩颖,裴亮,杜嘉. 洪河湿地植被地上生物量遥感反演研究[J]. 遥感技术与应用, 2014, 29(2): 224-231.

Han Ying,Pei Liang,Du Jia. Remote Sensing Inversion of Aboveground Biomass over the Honghe Wetland. Remote Sensing Technology and Application, 2014, 29(2): 224-231.

链接本文:

http://www.rsta.ac.cn/CN/10.11873j.issn.1004-0323.2014.2.0224        http://www.rsta.ac.cn/CN/Y2014/V29/I2/224

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