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Temporal Polarimetric Behavior of Oilseed Rape (Brassica napus L.) at C-Band for Early Season Sowing Date Monitoring
2014
Remote Sensing
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The feasibility of using polarimetric synthetic aperture radar (SAR) data for early season monitoring of the sowing dates of oilseed rape (Brassica napus L.) fields is explored in this paper. ...
These results demonstrate the capability and high potential of polarimetric SAR data for monitoring the sowing date of crops in the early season. ...
The evolution model of polarimetric observables as a function of phenology could be well established, so that the phenological stages of rice could be obtained, in most cases, without using a priori information ...
doi:10.3390/rs61110375
fatcat:4citvqcb2nd3tke4eu5nhduwte
Research progress on radar remote sensing for rice growth monitoring
2023
Journal of remote sensing
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balancing model efficiency and accuracy; (3) automatic recognition of rice phenology and cropping intensity combining plant growth mechanism and time series observation. ...
biophysical parameter retrieval, and phenology and cropping intensity recognition. ...
Therefore, satellites equipped with various SAR sensors are important data sources for rice growth monitoring in cloudy and foggy areas. ...
doi:10.11834/jrs.20221701
fatcat:ll5qb4o6qnayzp6scwq6sukzgy
Dynamical Approach for Real-Time Monitoring of Agricultural Crops
2015
IEEE Transactions on Geoscience and Remote Sensing
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A general methodology is proposed, and a particular instance is defined in this study based on polarimetric radar data to track the phenological stages of a set of crops. ...
The potential of this methodology to retrieve vegetation variables in real time is shown. ...
Dual-pol SAR data were used as input and the estimation of the phenology of rice fields was obtained using a Extended Kalman Filter (EKF). ...
doi:10.1109/tgrs.2014.2372897
fatcat:qaczgp7ahveidbpgcjpbe2mhia
Potentials of polarimetric SAR interferometry for agriculture monitoring
2009
Radio Science
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Then, a review of polarimetric SAR and interferometric SAR techniques employed in agriculture is performed in order to explore and justify the potential contributions to crop parameter retrieval of polarimetric ...
1] This paper is aimed to define the main specifications and system requirements of a future spaceborne synthetic aperture radar (SAR) mission with polarimetric and interferometric capabilities, to be ...
Garmendia for providing useful information about the physiology of crops; and S. R. Cloude for pointing out some model interpretations and encouraging this research. ...
doi:10.1029/2008rs004078
fatcat:5xxswn4blvetff2slvynxb2woe
Rice Inundation Assessment Using Polarimetric UAVSAR Data
2021
Earth and Space Science
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In this research we advance model-based decomposition and machine learning to map inundated rice using time-series polarimetric, L-band Uninhabited Aerial Vehicle Synthetic Aperture Radar (UAVSAR) observations ...
Thus, the combination of physical characterization and ML provides a powerful approach to retrieving cropland inundation under the canopy. ...
Ground data was collected with support from Unilever and the Knorr Sustainability Partnership Fund (Project: Water sustainability in Arkansas rice fields) and the USDA-NRCS under . ...
doi:10.1029/2020ea001554
pmid:33791393
pmcid:PMC7988656
fatcat:z6csu2acsbdongdj2abwlyl5iu
Agriculture and Wetland Applications
[chapter]
2021
Remote Sensing and Digital Image Processing
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In the last section of the chapter, the use of a SAR polarimetric decomposition is shown for the assessment of the damages consequential to earthquakes and tsunamis. ...
AbstractBased on experimental results, this chapter describes applications of SAR polarimetry to extract relevant information on agriculture and wetland scenarios by exploiting differences in the polarimetric ...
In this sense, a phenology retrieval algorithm based on amplitudeindependent polarimetric observables has been demonstrated for rice fields at X-band (Lopez-Sanchez et al. 2012a) (Hubert-Moy 2006) ...
doi:10.1007/978-3-030-56504-6_3
fatcat:zmamsy4vfbfjdomtypqgvcf4se
In-season biomass estimation of oilseed rape (Brassica napus L.) using fully polarimetric SAR imagery
2018
Precision Agriculture
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Moreover, the use of full polarization SAR data was compared with single and dual polarization SAR data. ...
The potential ability of fully polarimetric SAR (Synthetic Aperture Radar) data in estimating aboveground biomass of oilseed rape was investigated in this study. ...
Oilseed rape biomass estimation from fully polarization SAR
Uncertainties in crop biomass retrievals Therefore, once the fully polarimetric SAR imagery was acquired at some required date, the polarimetric ...
doi:10.1007/s11119-018-9587-0
fatcat:qvllujonfvaadc5mokv6ekk7z4
Monitoring Agricultural Fields Using Sentinel-1 and Temperature Data in Peru: Case Study of Asparagus (Asparagus officinalis L.)
2020
Remote Sensing
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This suggests that for the conditions evaluated in this paper, the use of multitemporal SAR data only improved mildly the retrieval when the season start date and accumulated temperature are used to complement ...
For the multitemporal SAR scenario, results showed a maximum R 2 of 0.87 when using up to 5 images as input and an RMSE that maintains approximately the same values as the number of images increased. ...
For the case of crop phenology retrieval, once the temporal evolution of the SAR indices has been analysed, an initial approach is to use the polarimetric features as inputs to a statistical or a machine ...
doi:10.3390/rs12121993
fatcat:salf7drq4jbdpoapkh55qhfq4m
Paddy-Rice Monitoring Using TanDEM-X
2015
IEEE Transactions on Geoscience and Remote Sensing
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This paper evaluates the potential of spaceborne bistatic interferometric SAR images for the monitoring of biophysical variables in wetlands, with a special interest on paddy rice. ...
A stack of 16 dual-pol TanDEM-X images is used for the generation of 32 Digital Elevation Models (DEMs) over the studied area. ...
TanDEM-X SAR data were supplied by German Aerospace Center under the project no: XTILAND1476. ...
doi:10.1109/tgrs.2014.2330377
fatcat:dwcfwbpku5d6bbuvzsrkzhecqe
2012 Index IEEE Transactions on Geoscience and Remote Sensing Vol. 50
2012
IEEE Transactions on Geoscience and Remote Sensing
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., +, TGRS June 2012 2238-2253
Rice Phenology Monitoring by Means of SAR Polarimetry at X-Band.
Lopez-Sanchez, J. ...
Chu, X., +, TGRS Nov.
2012 4599-4609
Rice Phenology Monitoring by Means of SAR Polarimetry at X-Band.
Lopez-Sanchez, J. ...
doi:10.1109/tgrs.2012.2229656
fatcat:hjrotpfsqzhxlnnme27ftv33cu
Rape (Brassica napus L.) Growth Monitoring and Mapping Based on Radarsat-2 Time-Series Data
2018
Remote Sensing
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However, although the studies mentioned above have extracted several polarimetric parameters for crop growth monitoring and growth parameter inversion, their focus has been on retrieval of the later phenology ...
In this study, 27 polarimetric parameters were extracted from Radarsat-2 polarimetric synthetic aperture radar (SAR) at each growth stage of the rape crop. ...
It is generally accepted that C-Band polarimetric data are useful for crop biomass and LAI retrieval [2] [3] [4] 18, 31, 34, 35] . ...
doi:10.3390/rs10020206
fatcat:hwwtc4vo2ze43gvnlacz6r3cue
Retrieval of vegetation height in rice fields using polarimetric SAR interferometry with TanDEM-X data
2017
Remote Sensing of Environment
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9 This work presents for the first time a demonstration with satellite data of polarimetric SAR interferometry (PolInSAR) applied to the retrieval of vegetation height in rice fields. ...
Results are obtained during the whole growth cycle and demonstrate that PolInSAR is useful to produce accurate height estimates (RMSE 10-20 cm) when plants are tall enough (taller than 25-40 cm), without ...
Single baseline polarimetric SAR interferometry. IEEE Trans Geosci ...
doi:10.1016/j.rse.2017.02.004
fatcat:jpkavbkf6jcq7hct2lyqu4hqru
2014 Index IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing Vol. 7
2014
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
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., +, JSTARS Aug. 2014 3491-3501 A New Automatic Ship Detection Method Using -Band Polarimetric SAR Imagery. ...
., +, JSTARS July 2014 2834-2847 Oceanographic techniques A New Automatic Ship Detection Method Using -Band Polarimetric SAR Imagery. ...
doi:10.1109/jstars.2015.2397347
fatcat:ib3tjwsjsnd6ri6kkklq5ov37a
Best Accuracy Land Use/Land Cover (LULC) Classification to Derive Crop Types Using Multitemporal, Multisensor, and Multi-Polarization SAR Satellite Images
2016
Remote Sensing
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Especially in rice-growing regions (which usually have a very high cloud cover during the growing season), polarimetric SAR has been intensively used as a monitoring tool [26] [27] [28] [29] [30] [31] ...
Recently, polarimetric SAR images have been analysed using decomposition theorems such as the alpha/entropy decomposition [25] , which increases the accuracy of LULC analysis from microwave data. ...
Retrieval of Polarimetric Features The measured signal from coherent polarimetric SAR systems can be analysed by determining the covariance matrix C and the coherency matrix T from the measured signal. ...
doi:10.3390/rs8080684
fatcat:4iu2puceqba4tkc5kctlmhqukq
Agricultural Monitoring Using Polarimetric Decomposition Parameters of Sentinel-1 Data
2021
Remote Sensing
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The time series of synthetic aperture radar (SAR) data are commonly and successfully used to monitor the biophysical parameters of agricultural fields. ...
The relation between polarimetric parameters and biophysical parameters observed in the field is investigated using linear and exponential regression models that are evaluated using the coefficient of ...
Furthermore, dual-polarimetric data with different polarisation combinations such as HH and VV, e.g., from TerraSAR-X, are used for the monitoring of reed belts [36] , grasslands [37] , or rice phenology ...
doi:10.3390/rs13040575
fatcat:wcilewi5vngazg3cgd7bknpmb4
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