2014
DOI: 10.1016/j.jag.2014.01.009
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Temporal dynamics of spatial heterogeneity over cropland quantified by time-series NDVI, near infrared and red reflectance of Landsat 8 OLI imagery

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Cited by 63 publications
(43 citation statements)
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“…A slight overestimation in the averaged magnitude of 0.4 was found for the MODIS LAI product compared with the HJ-retrieved LAI maps, and the relative absolute errors of the product ranged from 10% to 50%. Ding et al [149] introduced a concept of mean length variability to be used as an index to quantify spatial heterogeneity over croplands for multi-temporal NDVI, near-infrared, and red reflectance. This investigation suggested that the spatial heterogeneity varied with the changes in the fraction of vegetation cover, and a spatial resolution larger than 120 m could effectively limit the difference of spatial heterogeneity among different remote sensing observation methods.…”
Section: Other Validation Experimentsmentioning
confidence: 99%
“…A slight overestimation in the averaged magnitude of 0.4 was found for the MODIS LAI product compared with the HJ-retrieved LAI maps, and the relative absolute errors of the product ranged from 10% to 50%. Ding et al [149] introduced a concept of mean length variability to be used as an index to quantify spatial heterogeneity over croplands for multi-temporal NDVI, near-infrared, and red reflectance. This investigation suggested that the spatial heterogeneity varied with the changes in the fraction of vegetation cover, and a spatial resolution larger than 120 m could effectively limit the difference of spatial heterogeneity among different remote sensing observation methods.…”
Section: Other Validation Experimentsmentioning
confidence: 99%
“…TIRS collects data in two long wavelength thermal infrared bands of 100 m spatial resolution. TIRS data is registered to the OLI data to create radiometrically and geometrically calibrated, terrain-corrected Level 1 data products, raising their radiometric resolution to 16-bit [11]- [13].…”
Section: Landsat 8 Imagerymentioning
confidence: 99%
“…To deal with the high spatio-spectro-temporal resolutions new satellite sensors are now offering, dimension reduction is usually performed through the use of a vegetation index such as NDVI [50,52,63,64], PCA [65] or spectro-temporal metrics [35,66]. However, a large amount of spectro-temporal information is lost with these solutions.…”
Section: Introductionmentioning
confidence: 99%