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Fingerprints of anthropogenic influences on vegetation change over the Tibetan Plateau from an eco‐hydrological diagnosis

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Vegetation cover exerts a strong control on land‐atmosphere interactions. To quantify the relative effects of external forcing (climate change) vs internal forcing (anthropogenic activity) on recent vegetation change over the Tibetan Plateau (TP), we apply an eco‐hydrological diagnostic framework, developed from earlier work. We compare vegetation change during 1986‐2015 based on NDVI (Normalized Difference Vegetation Index) data with changes in environmental conditions (European Centre for Medium‐Range Weather Forecasts Reanalysis 5th‐generation, ERA5). Results show that external forcing is the dominant factor behind significant vegetation change over the southeastern TP during 1986‐2015. In the area with significant vegetation changing, 60.5%/41.5% of pixels have experienced a respective wetting/drying of climate, which in turn has supported greening/browning during 1986‐2005/1996‐2015. However, during the greening/browning transition in the latter period, the proportion of internal forcing on browning increased from 5.62% to 19.4%, indicating that anthropogenic factors are playing an increasingly role on impacting vegetation change in recent decades.
Original languageEnglish
JournalGeophysical Research Letters
Early online date10 May 2020
DOIs
Publication statusEarly online - 10 May 2020

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  • Fingerprints of anthropogenic influences

    Rights statement: Jin, Z., You, Q., Mu, M., Sun, G., & Pepin, N.. (2020). Fingerprints of anthropogenic influences on vegetation change over the Tibetan Plateau from an eco‐hydrological diagnosis. Geophysical Research Letters, 47. https://doi.org/10.1029/2020GL087842.

    Accepted author manuscript (Post-print), 1.5 MB, PDF document

    Due to publisher’s copyright restrictions, this document is not freely available to download from this website until: 10/11/20

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