Leaf phenology synchrony for Meso- and South America

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Environmental Information Data Centre
Last updated:
30 July 2026
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Not added
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Summary

[THIS DATASET HAS BEEN WITHDRAWN]. The leaf phenology product presented here shows the amplitude of annual cycles observed in MODIS (Moderate Resolution Imaging Spectroradiometer) normalized difference vegetation index (NDVI) and enhanced vegetation index (EVI) 16-day time-series of 2000 to 2013 for Meso- and South America. The values given represent a conservative measure of the amplitude after the annual cycle was identified and tested for significance by means of the Fourier Transform. The amplitude was derived for four sets of vegtation indices (VI) time-series based on the MODIS VI products (500m MOD13A1; 1000m MOD13A2). The amplitude value can be interpreted as the degree in which the life cycles of individual leaves of plants observed within a pixel are synchronised. In other words, given the local variation in environment and climate and the diversity of species leaf life cycle strategies, an image pixel will represent vegetation communities behaving between two extremes: * well synchronized, where the leaf bud burst and senescence of the individual plants within the pixel occurs near simultaneously, yielding a high amplitude value. Often this matches with an area of low species diversity (e.g. arable land) or with areas where the growth of all plants is controlled by the same driver (e.g. precipitation). * poorly synchronized, where the leaf bud burst and senescence of individual plants within a pixel occurs at different times of the year, yielding a low amplitude value. Often this matches with an area of high species diversity and/or where several drivers could be controlling growth. Full details about this dataset can be found at https://doi.org/10.5285/36795e9d-2380-465c-947b-3c9ae26f92d0

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Added to data.gov.uk
2026-07-24
Access contraints
© UK Centre for Ecology & Hydrology
Harvest GUID
36795e9d-2380-465c-947b-3c9ae26f92d0
Extent
Latitude: 33.843° to °
Longitude: -120.685° to -32.091°
Spatial reference system
Dataset reference date
2017-07-07 (publication)
2016-12-31 (creation)
Frequency of update
notPlanned
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(author, pointOfContact, publisher, owner, custodian)
ISO 19139 resource type
dataset
Metadata language
eng
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