Analyzing C-band SAR polarimetric information for LAI and crop yield estimations

被引：2
|
作者：
Molijn, Ramses A. [1 ]
Iannini, Lorenzo [1 ]
Mousivand, Ali [1 ]
Hanssen, Ramon F. [1 ]
机构：
[1] Delft Univ Technol, Dept Geosci & Remote Sensing, NL-2628 CN Delft, Netherlands
来源：
REMOTE SENSING FOR AGRICULTURE, ECOSYSTEMS, AND HYDROLOGY XVI | 2014年 / 9239卷
关键词：
SAR polarimetry; Leaf Area Index; crop monitoring; crop yield estimations; TIME-SERIES; LEAF-AREA;
D O I：
10.1117/12.2067498
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
In this study, space remote sensing data and crop specific information from the ESA-led AgriSAR 2009 campaign are used for studying the profiles of C-band SAR backscatter signals and multispectral-based leaf area index (LAI) over the growth period of canola, pea and wheat. In addition, the correlations between radar backscatter parameters and the crop yields were analyzed, based on extracted statistics of temporal profiles. The results show that the HV backscatter and LAI are correlated differently before and after LAI peak. In addition, the coefficient of determination between peak-related statistics from polarimetric indicator profiles and yield for pea fields can reach up to 0.68, and for canola and wheat up to 0.47 and 0.5, respectively. HV backscatter and coherence between HH and VV are most
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页数：11
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