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Please use this identifier to cite or link to this item: http://hdl.handle.net/10204/5171

Title: Detecting inter-annual variability in the phenological characteristics of southern Africa’s vegetation using satellite imagery
Authors: Wessels, KJ
Steenkamp, K
Von Maltitz, G
Archibald, S
Keywords: South African environmental change
Vegetation phenology
Southern African vegetation
Satellite imagery
Vegetation data
Satellite time series data
Vegetation mapping
Climate change
Issue Date: 2011
Publisher: SUN MeDIA Stellenbosch
Citation: Observations on environmental change in South Africa, edited by Larry Zietsman, Published SUN MeDIA Stellenbosch
Series/Report no.: Workflow request;7228
Abstract: Vegetation phenology refers to the timing of seasonal biological events (for example, bud burst, leaf unfolding, vegetation growth and leaf senescence) and biotic and abiotic forces that control these. Daily, coarse-resolution satellite imagery provides consistent measurements of vegetation greenness which captures phenological cycles and vegetation function. Understanding the inter-annual variability in phenology is imperative, as phenological changes will be one of the first signs of the impact of climate change on ecosystem dynamics. This chapter offers new insights into the spatial patterns of the phenometrics and their inter-annual variability that could not be mapped without long-term satellite time-series data. This technique helps to close the gap that existed between plot-level vegetation data and broad-scale climate data during traditional regional vegetation mapping.
Description: Copyright: 2011 Authors and SUN MeDIA Stellensbosch
URI: http://www.africansunmedia.co.za/Portals/0/files/Promotion/Observations-on-Environmental-Change-in-SA-e-version-Section-3.pdf
ISBN: 978-1-920338-24-4
Appears in Collections:Climate change
Earth observation
Ecosystems processes & dynamics
General science, engineering & technology

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