Proof of evidence of changes in global terrestrial biomes using historic and recent NDVI time series

Climate change affects plant dynamics and functioning of terrestrial ecosystems. This study aims to investigate temporal changes in global vegetation coverage and biomes during the past three decades. We compared historic annual NDVI time series (1982, 1983, 1984 and 1985) with recent ones (2015, 20...

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Bibliographic Details
Published in:Heliyon 2023-08, Vol.9 (8), p.e18686-e18686, Article e18686
Main Authors: Khormizi, Hadi Zare, Ghafarian Malamiri, Hamid Reza, Alian, Sahar, Stein, Alfred, Kalantari, Zahra, Ferreira, Carla Sofia Santos
Format: Article
Language:English
Subjects:
Climate change
Global biomes
Plant annual phases
Time series
Vegetation coverage
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Summary:Climate change affects plant dynamics and functioning of terrestrial ecosystems. This study aims to investigate temporal changes in global vegetation coverage and biomes during the past three decades. We compared historic annual NDVI time series (1982, 1983, 1984 and 1985) with recent ones (2015, 2016, 2017 and 2018), captured from NOAA-AVHRR satellite observations. To correct the NDVI time series for missing data and outliers, we applied the Harmonic Analysis of Time Series (HANTS) algorithm. The NDVI time series were decomposed in their significant amplitude and phase given their periodic fluctuation, except for ever green vegetation. Our findings show that the average NDVI values in most biomes have increased significantly (F-value
ISSN:2405-8440
2405-8440
DOI:10.1016/j.heliyon.2023.e18686