Seasonal LAI estimation of irrigated rice using soil-leaf-canopy (SLC) radiative transfer model

Thi Thu Ha Nguyen, W. Verhoef, C.A.J.M. de Bie

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This study compared the use of both the MODIS LAI (MOD15A2) product, which provides directly he 8-day LAI at 1km spatial resolution, and the MODIS 8-day surface reflectance product (MOD09A1) in retrieving and estimating the seasonal variation of LAI for irrigated rice in the Mekong delta, Vietnam. The Soil-Leaf-Canopy (SLC) radiative transfer model was employed to invert MOD09A1 reflectance spectra to get LAI estimates through the look-up table (LUT) approach. The result showed that the dynamic evolution of LAI of irrigated rice during one cropping season could be estimated fairly well by the SLC model (R2 = 0.69, RMSE= 0.9). This result is a great improvement compared to the retrieved LAI from MOD15A2 (R2 = 0.07, RMSE = 2.1).
Original languageEnglish
Title of host publication32nd Asian Conference on Remote Sensing (ACRS 2011)
Subtitle of host publicationSensing for Green Asia, 3-7 October 2011, Taipei, Taiwan
Place of PublicationKaohsiung
PublisherNational Sun Yat-sen University Press
Number of pages6
ISBN (Print)978-986-02-9190-2
Publication statusPublished - 3 Oct 2011
Event32nd Asian Conference on Remote Sensing, ACRS 2011: Sensing for Green Asia - Taipei, Taiwan
Duration: 3 Oct 20117 Oct 2011
Conference number: 32


Conference32nd Asian Conference on Remote Sensing, ACRS 2011
Abbreviated titleACRS


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