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Resultados de la búsqueda

Resultados de la búsqueda

Mostrando ítems 1 a 9 de 27.
  3. Library Resource

    An assessment of the accuracy of volunteered road map production in Western Kenya

    Artículos de revistas y libros
    Febrero, 2011
    Kenya, África, África oriental
    Administración de tierras
    Sistemas de información geográfica

    The introduction of web based mapping facilities that use satellite imagery, offers local people the possibility to map their environment. However, maps need to be accurate, which is the reason why map making is assigned to professionals. In this paper, we investigated the classification accuracy of road infrastructure from high resolution satellite imagery of an urban area in western Kenya achieved by surveyors and non-surveyors alike, with and without local knowledge. Those with local knowledge classified roads with over 92% accuracy on average, irrespective of surveying background.

  6. Library Resource

    Eliciting farming decisions of smallholders in response to water availability conditions in Chingale, southern Malawi

    Documentos de conferencias e informes
    Diciembre, 2012
    Malawi, África austral
    Sistemas de información geográfica

    The objective of this project is to examine adaptation strategies of smallholders in the Chingale district of Malawi to climate change impact, as well as to the implications of introducing the Integration of Aquaculture into Diversified Food production Systems (IADFS). The central approach of this research is combining an agent-based model (ABM) representing farmers with various types of production systems with a water resources model (WRM).

  10. Library Resource

    Integrated hydrological modelling of wetlands for environmental management: the case of the Usangu wetlands in the Great Ruaha catchment

    Documentos de conferencias e informes
    Diciembre, 2005
    Tanzania, África austral
    Ordenación de aguas
    Sistemas de información geográfica

    Knowledge of wetland hydrology and quantification of water inputs and outputs are Prerequisites to understanding wetland environments and determining their vulnerability to change. To get a better understanding of the dynamics of wetland change in the Usangu Plains, a study was conducted to: a) investigate the effects of human interventions on the wetlands, and b) determine the amount of dry season inflow required to maintain environmental flows downstream of the wetlands.

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