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Hyperspectral constraints reduce bias in ECOSTRESS evapotranspiration and drought indicators
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DOI：10.1016/j.rse.2026.115453.png)
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Abstract
En 中文
• Hyperspectral indices reduce positive ET bias in ECOSTRESS PT-JPL. • Green-peak and NIR HNBs improve canopy transpiration estimates. • Red-edge/NIR HNBs enhance soil evaporation constraints. • Potential reduction in drought omission risk via improved ESI estimates. • Supports future hyperspectral–thermal synergy (LSTM, CHIME, SBG).
Keywords:
Drylands
Evaporative stress index
Evapotranspiration partitioning
Soil evaporation
PT-JPL
Imaging spectroscopy
PRISMA
EnMAP
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