Journal ArticleUnknown
Spatiotemporal nexus between vegetation change and extreme climatic indices and their possible causes of change
Author Affiliations
Begum Rokeya University, University of Technology Malaysia, Sher-e-Bangla Agricultural University, Bangladesh Atomic Energy Commission, ...
Published InJournal of Environmental Management
Year2021
Citations128
Abstract
Climate extremes have a significant impact on vegetation. However, little is known about vegetation response to climatic extremes in Bangladesh. The association of Normalized Difference Vegetation Index (NDVI) with nine extreme precipitation and temperature indices was evaluated to identify the nexus between vegetation and climatic extremes and their associations in Bangladesh for the period 1986-2017. Moreover, detrended fluctuation analysis (DFA) and Morlet wavelet analysis (MWA) were employed to evaluate the possible future trends and decipher the existing periodic cycles, respectively in the time series of NDVI and climate extremes. Besides, atmospheric variables of ECMWF ERA5 were used to examine the casual circulation mechanism responsible for climatic extremes of Bangladesh. The results revealed that the monthly NDVI is positively associated with…
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