Winter Wheat Growth Spatial Variation Monitoring Through Hyperspectral Remote Sensing Image
文献类型: 外文期刊
第一作者: Song Xiaoyu
作者: Song Xiaoyu;Gu Xiaohe;Xu Xingang;Li Ting;Wang Jihua
作者机构:
关键词: Winter Wheat;Spatial Variation;Operational Modular Imaging Spectrometer (OMIS);Sill;Range;Nugget
期刊名称:REMOTE SENSING FOR AGRICULTURE, ECOSYSTEMS, AND HYDROLOGY XVII
ISSN: 0277-786X
年卷期: 2015 年 9637 卷
页码:
收录情况: SCI
摘要: This work aims at quantifying the winter wheat growth spatial heterogeneity captured by hyperspectral airborne images. The field experiment was conducted in 2001 and 2002 and airborne hyperspectral remote-sensing data was acquired at noon on 11 April 2001 using an operational modular imaging spectrometer (OMIS). Totally 12 winter fields which covered by both dense and sparse winter wheat canopies were selected to analysis the winter wheat growth heterogeneity. The experimental semi-variograms for bands covered from invisible to mid-infrared were computed for each field then the theoretical models were be fitted with least squares algorithm for spherical model, exponential model. The optimization model was selected after evaluated by R-square. Three key terms in each model, the sill, the range, and nugget variance were then calculated from the models. The study results show that the sill, range and nugget for same field wheat were varied with the wavelength from blue to mid infrared bands. Although wheat growth in different fields showed different spatial heterogeneity, they all showed an obvious sill pattern. The minimum of mean range value was 7.52 m for mid-infrared bands while the maximum value was 91.71 m for visible bands. The minimum of mean sill value ranged from 1.46 for visible bands to 39.76 for NIR bands, the minimum of mean nugget value ranged from 0.06 for visible bands to5.45 for mid-infrared bands. This study indicate that remote sensing image is important for crop growth spatial heterogeneity study. But it is necessary to explore the effect of different wavelength of image data on crop growth semi-variogram estimation and find out which band data could be used to estimate crop semi-variogram reliably.
分类号:
- 相关文献
作者其他论文 更多>>
-
Pseudomonas sp. TK35-L enhances tobacco root development and growth by inducing HRGPnt3 expression in plant lateral root formation
作者:Cao Yuan-yuan;Ni Hai-ting;Li Ting;Lay Khien-duc;He Xiang-yi;Ou Kang-miao;Tang Xin-yun;Cao Yuan-yuan;Liu Dai-song;Wang Xiao-bo;Qiu Li-juan
关键词:Pseudomonas sp. TK35-L; rhizosphere colonization; tobacco; growth promotion; root development; HRGPnt3
-
New NNI Model in Winter Wheat Based on Hyperspectral Index
作者:Wang Jianwen;Zhu Hongchun;Gan Ping;Xu Xiaobin;Wang Jianwen;Li Zhenhai;Xu Xingang;Feng Haikuan;Liu Chang;Gan Ping;Xu Xiaobin;Wang Jianwen;Li Zhenhai;Xu Xingang;Feng Haikuan;Liu Chang;Gan Ping;Xu Xiaobin;Wang Jianwen;Li Zhenhai;Xu Xingang;Feng Haikuan;Liu Chang;Gan Ping;Xu Xiaobin;Wang Jianwen;Li Zhenhai;Xu Xingang;Feng Haikuan;Liu Chang;Gan Ping;Xu Xiaobin
关键词:Winter wheat; NNI; Spectral indices; The critical N dilution curve
-
Winter Wheat GPC Estimation with Fluorescence-based Sensor Measurements of Canopy
作者:Song Xiaoyu;Gu Xiaohe;Xu Xingang;Song Xiaoyu;Wang Jihua;Gu Xiaohe;Xu Xingang;Wang Jihua
关键词:Winter wheat;leaf nitrogen content (LNC);canopy nitrogen density (CND);grain protein content (GPC);Fluorescence Spectral parameters;multiplex 3
-
Comparison of winter wheat growth with multi-temporal remote sensing imagery
作者:Song Xiaoyu;Cui Bei;Yang Guijun;Feng Haikuan
关键词:
-
Development of a web temporal-spatial information application for main crops based on integration of remote sensing and crop model
作者:Yang Xiaodong;Xu Xingang;Gu Xiaohe;Yang Hao;Yu Haiyang;Yang Fuzeng
关键词:Crop Model;Remote Sensing;Temporal-spatial Information Application;Integration
-
EVALUATION OF ARABLE LAND YIELD POTENTIAL THROUGH REMOTE SENSING MONITORING
作者:Song Xiaoyu;Gu Xiaohe;Chang Hong
关键词:Yield Potential;Remote sensing;winter wheat
-
Winter wheat field transformation monitoring through remote sensing in Beijing suburb
作者:Song, Xiaoyu;Cui, Fangning;Gu, Xiaohe;Xu, Xingang;Cui, Fangning;Wang Jihua
关键词:Winter wheat;transform monitoring;Landsat-TM images