Retrieval of vegetation height in rice fields using polarimetric SAR interferometry with TanDEM-X data

Juan M. Lopez-Sanchez*, Fernando Vicente-Guijalba, Esra Erten, Manuel Campos-Taberner, Francisco Javier Garcia-Haro

*Bu çalışma için yazışmadan sorumlu yazar

Araştırma sonucu: Dergiye katkıMakalebilirkişi

72 Atıf (Scopus)

Özet

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. Three series of dual-pol interferometric SAR data acquired with large baselines (2–3 km) by the TanDEM-X system during its science phase (April–September 2015) are exploited. A novel inversion algorithm especially suited for rice fields cultivated in flooded soil is proposed and evaluated. The validation is carried out over three test sites located in geographically different areas: Sevilla (SW Spain), Valencia (E Spain), and Ipsala (W Turkey), in which different rice types are present. 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 relying on external reference information.

Orijinal dilİngilizce
Sayfa (başlangıç-bitiş)30-44
Sayfa sayısı15
DergiRemote Sensing of Environment
Hacim192
DOI'lar
Yayın durumuYayınlandı - 1 Nis 2017

Bibliyografik not

Publisher Copyright:
© 2017 Elsevier Inc.

Finansman

This work has been supported by the Spanish Ministry of Economy and Competitiveness (MINECO) and EU FEDER under project TIN2014-55413-C2-2-P. The research leading to these results has received funding from the European Union Seventh Framework Programme (FP7/2007–2013) under grant agreement 606983, and the Land-SAF (the EUMETSAT Network of Satellite Application Facilities) project. The in-situ measurements in the Ipsala site were conducted with the funding of The Scientific and Technological Research Council of Turkey (TUBITAK, Project No.: 113Y446).

FinansörlerFinansör numarası
EUMETSAT Network of Satellite Application Facilities
Seventh Framework Programme606983
Ministerio de Economía y Competitividad
Türkiye Bilimsel ve Teknolojik Araştirma Kurumu113Y446
Seventh Framework Programme
European Regional Development FundTIN2014-55413-C2-2-P

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