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Remote sensing of vegetation dynamics in West Africa

Knauer, Kim and Gessner, Ursula and Dech, Stefan and Künzer, Claudia (2014) Remote sensing of vegetation dynamics in West Africa. International Journal of Remote Sensing, 35 (17), pp. 6357-6396. Taylor & Francis. DOI: 10.1080/01431161.2014.954062 ISSN 0143-1161

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Official URL: http://www.tandfonline.com/doi/abs/10.1080/01431161.2014.954062#.VCKvkRawS7A

Abstract

Vegetation dynamics and the lives of millions of people in West Africa are closely interlinked with each other. The high annual variability of the phenological cycle considerably affects the agricultural population with late rainfalls and droughts, often resulting in serious food crises. On the other hand, the rapidly growing population has a great need for space due to expanding cities and a low agricultural efficiency. This situation, together with a changing climate, has had a strong impact on vegetation dynamics in West Africa and will play a major role in the future. The dynamic nature of vegetation in the region has attracted a lot of remote-sensing-based research in the past 30 years and has lead to heated discussions. This review article gives a comprehensive overview of the studies on remotely sensed vegetation dynamics in West Africa. After an introduction to the specific situation for vegetation dynamics in West Africa, the applied sensors and their suitability for the region are outlined. Research on the assessment of different plant parameters, on phenological metrics as well as on the monitoring of agricultural areas is outlined and discussed. Furthermore, a major part of this review is dedicated to the analyses undertaken to assess vegetation trends in West Africa over the past 30 years and their potential human and climatic causes. Finally, identified research gaps and challenges for future studies are discussed.

Item URL in elib:https://elib.dlr.de/90752/
Document Type:Article
Title:Remote sensing of vegetation dynamics in West Africa
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Knauer, Kimkim.knauer85 (at) googlemail.comUNSPECIFIED
Gessner, Ursulaursula.gessner (at) dlr.deUNSPECIFIED
Dech, Stefanstefan.dech (at) dlr.deUNSPECIFIED
Künzer, ClaudiaClaudia.Kuenzer (at) dlr.deUNSPECIFIED
Date:23 September 2014
Journal or Publication Title:International Journal of Remote Sensing
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:35
DOI :10.1080/01431161.2014.954062
Page Range:pp. 6357-6396
Publisher:Taylor & Francis
ISSN:0143-1161
Status:Published
Keywords:remote sensing, vegetation dynamics, West Africa, phenology, agriculture
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Erdbeobachtung
DLR - Research theme (Project):R - Vorhaben Fernerkundung der Landoberfläche (old)
Location: Oberpfaffenhofen
Institutes and Institutions:German Remote Sensing Data Center > Leitungsbereich DFD
Deposited By: Knauer, Kim
Deposited On:29 Sep 2014 11:19
Last Modified:29 Sep 2014 11:19

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