ArticleEcology and evolution2026
Differences in Phenological Estimation From Multi-Vegetation Indices Across the Yellow River Basin.
Article in Ecology and evolution, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Satellite-derived vegetation indices (VIs) are widely used to monitor land surface phenology (LSP). Plant Phenology Index (PPI) and kernel NDVI (kNDVI) have emerged as promising tools for improving accuracy of LSP estimation. However, differential phenological performance of these two indices relative to traditional ones remains unclear. Here, we evaluated consistency of PPI, kNDVI, and EVI derived from MODIS against solar-induced chlorophyll fluorescence (SIF) and flux tower GPP data, and investigated spatiotemporal changes in retrieving four phenological metrics across the Yellow River Basin (YRB). Results indicated that EVI exhibited a stronger overall correlation with SIF, whereas PPI achieved the best performance for GPP estimation (
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