Seasonal fluctuation of riverine navigation and accessibility in Western Amazonia : An analysis combining a cost-efficient GPS-based observation system and interviews

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Tenkanen , H T O , Salonen , M , Lattu , M P & Toivonen , T K 2015 , ' Seasonal fluctuation of riverine navigation and accessibility in Western Amazonia : An analysis combining a cost-efficient GPS-based observation system and interviews ' , Applied Geography , vol. 63 , pp. 273-282 . https://doi.org/10.1016/j.apgeog.2015.07.003

Title: Seasonal fluctuation of riverine navigation and accessibility in Western Amazonia : An analysis combining a cost-efficient GPS-based observation system and interviews
Author: Tenkanen, Henrikki Toivo Olavi; Salonen, Maria; Lattu, Matti Petteri; Toivonen, Tuuli Kaarina
Other contributor: University of Helsinki, Department of Geosciences and Geography
University of Helsinki, Department of Geosciences and Geography
University of Helsinki, Faculty of Behavioural Sciences, University of Helsinki
University of Helsinki, Department of Geosciences and Geography


Date: 2015-09
Language: eng
Number of pages: 10
Belongs to series: Applied Geography
ISSN: 0143-6228
DOI: https://doi.org/10.1016/j.apgeog.2015.07.003
URI: http://hdl.handle.net/10138/155704
Abstract: Accessibility and transportation possibilities are key factors influencing societal conditions and land use patterns in rural areas. Thus, information on the spatial patterns of accessibility and transportation can be of paramount importance in understanding regional differences in development, human livelihood and land use patterns. Analysing spatio-temporal transportation patterns is particularly challenging in areas where everyday transportation is based on unscheduled public transportation and a naturally controlled seasonal transportation network, such as rivers. Here, our aim is to provide information on the seasonal dynamics of riverine transportation and its effects on accessibility patterns in Peruvian Amazonia. We analysed riverine transportation speeds using a low-cost GPS-based riverboat observation system. Spatio-temporal accessibility patterns were generalised from the GPS-observations that were classified according to seasons into the high water season, intermediate season and low water season. We show that navigation along the rivers has a clear seasonal and directional (upstream/downstream) variation, which varies with different types of rivers based on channel morphology. In addition, we conducted interviews with local people to study their perceptions of the seasonal changes in navigation and the accuracy of transportation schedules. As the travel distances in Peruvian Amazonia are generally long, seasonal and directional differences have clear impacts on the overall accessibility patterns in the area and on the livelihoods of riverine inhabitants. Furthermore, the lack of clearly scheduled transportation causes considerable uncertainty about transportation options for local communities. The baseline information of the seasonal and directional variation of riverine transportation and travel speeds provided by our work is usable in further accessibility and livelihood analyses for Peruvian Amazonia, but it may also be useful in other areas relying on riverine transportation.
Subject: 1172 Environmental sciences
Accessibility
Mobility
Transportation
Amazonia
Interviews
Seasonality
GPS tracking
GIS
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