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  • Journals
  • Articles  (3)
  • ddc:380  (2)
  • ASFA_2015::G::Geodynamics  (1)
  • 2020-2022  (3)
  • 1995-1999
  • 1990-1994
  • 1
    Publication Date: 2021-05-19
    Description: Para evaluar el comportamiento del sistema deltaico del río Mira se implementaron modelos de: (1) propagación de marea y (2) propagación y refracción de oleaje. Para analizar la propagación mareal se procesaron series sintéticas de nivel del mar generadas por modelos numéricos globales y la serie histórica del mareógrafo de Buenaventura (1953-2000). Para caracterizar la dinámica del oleaje se analizó y propagó una serie de oleaje (1979–2000) en aguas profundas con información de altura de ola significante (HS), periodo pico (TP) y dirección dominante (DP). La marea es semi-diurna con rangos promedio de 2.46 y 2.58m. El oleaje proviene principalmente del SW–SWW, con alturas significativas que varían entre 0.25 y 2.23m, y periodos pico entre 5 y 23s. La implementación de modelos numéricos permite evaluar escenarios oceanográficos como base para la toma de decisiones en un contexto de manejo integral de zonas costeras.
    Description: Tide propagation, and wave propagation-refraction numerical models were implemented to asses Mira’s River delta system dynamics. In this study we analyze tide propagation by looking at sea level synthetic data and records from Buenaventura tide gauge (1953-2000). Wave data from deep waters (1979-2000), including significant wave height (HS ), peak period (TP ) and dominant direction (DP ) records, was evaluated and propagated to shallow waters to characterize wave dynamics. Tide’s behavior is semi-diurnal with mean ranges of 2.46 y 2.58m. Waves comes from SW – SWW mainly, with significant wave height between 0.25 and 2.23m., and peak periods from of 5 to 23 s. The implementation of numerical models allows the evaluation of different oceanographic scenarios as a ground for costal management decision-making processes
    Description: Published
    Keywords: Modelos hidrodinámicos ; Nivel del mar ; Parámetros de oleaje ; Procesos hidrodinámicos ; ASFA_2015::G::Geodynamics ; ASFA_2015::H::Hydrology ; ASFA_2015::P::Physical oceanography
    Repository Name: AquaDocs
    Type: Journal Contribution , Not Known
    Format: Pp.31-48
    Location Call Number Limitation Availability
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  • 2
    Publication Date: 2021-05-06
    Description: Electric mobility is beginning to enter East African cities. This paper aims to investigate what policy-level solutions and stakeholder constellations are established in the context of electric mobility (e-mobility) in Dar es Salaam, Kigali, Kisumu and Nairobi and in which ways they attempt to tackle the implementation of electric mobility solutions. The study employs two key methods including content analysis of policy and programmatic documents and interviews based on a purposive sampling approach with stakeholders involved in mobility transitions. The study findings point out that in spite of the growing number of policies (specifically in Rwanda and Kenya) and on-the-ground developments, a set of financial and technical barriers persists. These include high upfront investment costs in vehicles and infrastructure, as well as perceived lack of competitiveness with fossil fuel vehicles that constrain the uptake of e-mobility initiatives. The study further indicates that transport operators and their representative associations are less recognized as major players in the transition, far behind new e-mobility players (start-ups) and public authorities. This study concludes by identifying current gaps that need to be tackled by policymakers and stakeholders in order to implement inclusive electric mobility in East African cities, considering modalities that include transport providers and address their financial constraints.
    Keywords: ddc:380
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
    Type: article , doc-type:article
    Format: application/pdf
    Location Call Number Limitation Availability
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  • 3
    Publication Date: 2021-05-06
    Description: This paper explores how the European Commission promotes the concept of Sustainable Urban Mobility Planning (SUMP) among European cities. Despite the strong uptake of the SUMP concept, mobility-related problems persist in European municipalities. Linking theoretical approaches to understand the diffusion of policies with empirical findings from working with cities in the SUMP context, this article explores channels of policy diffusion and investigates shortcomings related to the respective approaches. Studies on the diffusion, the transfer and the convergence of policies identify formal hierarchy, coercion, competition, learning and networking, and the diffusion of international norms as channels for policy transfer. The findings which are presented in this paper are twofold: First, the paper finds evidence that the Commission takes different roles and uses all mechanisms in parallel, albeit with different intensity. It concludes that the approaches to explain policy diffusion are not competing or mutually exclusive but are applied by the same actor to address different aspects of a policy field, or to reach out to different actors. Second, the article provides first evidence of factors that limit the mechanisms' abilities to directly influence urban mobility systems and mobility behaviour.
    Keywords: ddc:380
    Repository Name: Wuppertal Institut für Klima, Umwelt, Energie
    Language: English
    Type: article , doc-type:article
    Format: application/pdf
    Location Call Number Limitation Availability
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