全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

基于机载MASTER数据的果园叶面积指数遥感反演

DOI: 10.6046/gtzyyg.2015.02.11, PP. 69-74

Keywords: 遥感,叶面积指数(LAI),植被指数,机载MODIS/ASTER模拟传感器(MASTER)

Full-Text   Cite this paper   Add to My Lib

Abstract:

叶面积指数(leafareaindex,LAI)是描述植被冠层结构的重要参数,准确获取果树的LAI对果树长势监测和果树估产均有重要作用。以美国加州中部的果园为研究区,基于沿太阳主平面飞行成像的机载MODIS/ASTER模拟传感器(MODIS/ASTERairbornesimulator,MASTER)数据,利用实测LAI数据与归一化差值植被指数(normalizeddifferencevegetationindex,NDVI)、归一化差值红外指数(normalizeddifferenceinfraredindex,NDII)和归一化差值水体指数(normalizeddifferencewaterindex,NDWI)分别建立回归模型,并选取NDWI进行研究区LAI的反演。结果表明:由于地物的二向性反射,垂直太阳主平面飞行获取的遥感数据具有明显的亮度梯度现象,而沿太阳主平面飞行获取的遥感数据几乎不受亮度梯度的影响;NDVI在高植被覆盖区容易达到饱和,而NDWI比NDVI和NDII具有更高的拟合度和更小的均方根误差,更加适合研究区LAI的遥感反演;该研究结果可以丰富LAI反演理论,也可以为研究LAI尺度问题提供理论和数据支持。

References

[1]  Banon G J F,Fonseca L M G.CBERS simulation from SPOT and its restoration[EB/OL][1998-05-18].
[2]  Cheng T,Riano D,Koltunov A,et al.Detection of diurnal variation in orchard canopy water content using MODIS/ASTER airborne simulator(MASTER) data[J].Remote Sensing of Environment,2013,132:1-12.
[3]  Sethian J A.Curvature and the evolution of fronts[J].Communications in Mathematical Physics,1985,101(4):487-502.
[4]  B?rner A,Wiest L,Keller P,et al.Sensor:A tool for the simulation of hyperspectral remote sensing systems[J].ISPRS Journal of Photogrammetry and Remote Sensing,2001,55(5/6):299-312.
[5]  Brox T,Weickert J.Level set based image segmentation with multiple regions[M]//Rasmussen C E,Bülthoff H H,Sch?lkopf B.Pattern recognition.Berlin Heidelberg:Springer,2004:415-423.
[6]  贾春阳,李卫华,李小春.基于自适应权值FNEA算法的高分辨率遥感图像分割[J].国土资源遥感,2013,25(4):22-25. Jia C Y,Li W H,Li X C.High-resolution remote sensing image segmentation based on weight adaptive fractal net evolution approach[J].Remote Sensing for Land and Resources,2013,25(4):22-25.doi:10.6046/gtzyyg.2013.04.04.
[7]  Brox M,Deriche R R,Deriche R,et al.Unsupervised segmentation incorporating colour,texture,and motion[C]//Proceedings of the 10th International Conference,Lecture Notes in Computer Science.Berlin:Springer,2003:353-360.
[8]  Brox T,Weickert J.A TV flow based local scale measure for texture discrimination[C]//Proceeding.8th European Conference on Computer Vision,Lecture Notes in Computer Science.Berlin:Springer,2004:578-590.
[9]  Hook S J,Myers J,Thome K J,et al.The MODIS/ASTER airborne simulator(MASTER):A new instrument for earth science studies[J].Remote Sensing of Environment,2001,76(1):93-102.
[10]  侯学会,牛铮,黄妮,等.小麦生物量和真实叶面积指数的高光谱遥感估算模型[J].国土资源遥感,2012,24(4):30-35. Hou X H,Niu Z,Huang N,et al.The hyperspectral remote sensing estimation models of total biomass and true LAI of wheat[J].Remote Sensing for Land and Resources,2012,24(4):30-35.doi:10.6046/gtzyyg.2012.04.06.
[11]  傅银贞,汪小钦,江洪.马尾松LAI与植被指数的相关性研究[J].国土资源遥感,2010,22(3):41-46. Fu Y Z,Wang X Q,Jiang H.The correlation between LAI and vegetation index of masson pine[J].Remote Sensing for Land and Resources,2010,22(3):41-46.doi:10.6046/gtzyyg.2010.03.09.
[12]  Verhoef W,Bach H.Simulation of hyperspectral and directional radiance images using coupled biophysical and atmospheric radiative transfer models[J].Remote Sensing of Environment,2003,87(1):23-41.
[13]  Hardisky M A,Klemas V,Smart R M.The influence of soil salinity, growth form and leaf moisture on the spectral radiance of spartina alterniflora canopies[J].Photogrammetric Engineering and Remote Sensing,1983,49:77-84.
[14]  Brown S D,Blevins D,Schott J R.Time-gated topographic LiDAR scene simulation[C]//Proc.SPIE,2005,5791:342-353.
[15]  Gao B C.NDWI:A normalized difference water index for remote sensing of vegetation liquid water from space[J].Remote Sensing of Environment,1996,58(3):257-266.
[16]  Ientilucci E J,Brown S D.Advances in wide-area hyperspectral image simulation[C]//Proc.SPIE,2003,5075:110-121.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133