Gabriel Vicente Gaona

Gabriel Vicente Gaona
Justus-Liebig-Universität Gießen | JLU ·  Institute of Landscape Ecology and Resource Management

MSc. Geograpchic Information Science & Systems

About

18
Publications
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Citations
Introduction

Publications

Publications (18)
Conference Paper
Full-text available
The present study evaluates the application of passive strategies in the construction of social houses for the Andean region of Ecuador. To perform the evaluation, it was necessary to define climate zones of the region. A simplified climate zoning (based on temperature and relative humidity) was employed through the use of geographic information sy...
Conference Paper
Full-text available
Resumen La longitud de rugosidad aerodinámica (Z 0) es considerada como la elevación sobre la superficie del suelo en la cual la velocidad del viento tiende a cero por efecto de los elementos rugosos y su importancia radica en que los modelos de simulación del potencial eólico requieren de Z 0 como parámetro para estimar la velocidad de viento a di...
Article
Full-text available
The promotion of Urcuquí as an ideal climate location to construct the City of Knowledge - Yachay demands an urgent quality analysis of available weather information for the selected area. Two analyses of weather data are presented in this study: standard normal homogeneity and spatial variability. The tools used in these analyses were Climatol sta...
Conference Paper
Full-text available
This paper presents a comparative analysis of three different solar cooling system configurations developed for a case study building in Guayaquil, Ecuador. Guayaquil is a city located at the Ecuadorian coast with an average annual temperature of 25°C. The city’s need for air conditioning throughout the year and the relatively intense solar radiati...
Article
Full-text available
Natural ecosystems are declining and fragmenting globally at unprecedented rates. Fragmentation of natural ecosystems leads to decline in functions and services with severe impact on people. In Ecuador, despite establishment of the nationwide ecosystem classification, this baseline information has not been fully exploited to generate a monitoring s...
Article
Full-text available
Global monitoring of biodiversity and ecosystem change can be aided by the effective use of indicators. Tree-cavity excavators, the majority of which are woodpeckers (Picidae), are known to be useful indicators of the health or naturalness of forest ecosystems and the diversity of forest birds. They are indicators of the latter due to shared associ...
Article
Full-text available
People's subjective response to any thermal environment is commonly investigated by using rating scales describing the degree of thermal sensation, comfort, and acceptability. Subsequent analyses of results collected in this way rely on the assumption that specific distances between verbal anchors placed on the scale exist and that relationships be...
Article
Full-text available
An amendment to this paper has been published and can be accessed via a link at the top of the paper.
Article
Full-text available
Thermal discomfort is one of the main triggers for occupants’ interactions with components of the built environment such as adjustments of thermostats and/or opening windows and strongly related to the energy use in buildings. Understanding causes for thermal (dis-)comfort is crucial for design and operation of any type of building. The assessment...
Conference Paper
Full-text available
Se evaluó la eficiencia del modelo distribuido CEQUEAU para simular los caudales diarios de la cuenca Catamayo ubicada en los Andes del sur del Ecuador. El modelo CEQUEAU requiere de datos distribuidos de precipitación, temperatura y parámetros fisiográficos de la cuenca. Se utilizaron los productos Precipitation Estimation from Remotely Sensed Inf...
Article
Full-text available
Indices explaining health phenomena are important tools for identifying and investigating health inequalities and to support policy making. Some of these indices are expressed at area-level, and the investigation of the areal influences of these indices on individual health outcomes have scale and geographical contextual implications that need to b...
Thesis
Full-text available
A bioclimatic zoning for energy efficiency in buildings requires the use of meteorological information of detailed spatial and temporal resolution. However, weather information available in Ecuador does not meet the required conditions. Therefore, the climatic conditions defined by climatological standards were analyzed as an input of a spatial mod...
Article
Full-text available
Aim: Globally, many bird species nest in tree cavities that are either excavated or formed through decay or damage processes. We assembled an overview of all tree-cavity nesters (excavators and non-excavators) in the world, analysed their geographic distribution and listed the conservation status of all species. Location: This is a global analysis...
Article
The aim of this research was to implement a geographical information system with multi-criteria decision making methods, to select the most feasible location for installing wind power plants in continental Ecuador. In addition, a standardization process was performed, which consists of establishing an overall performance index to evaluate the resul...
Conference Paper
Full-text available
La modelación del proceso lluvia-escurrimiento en cuencas hidrográficas es útil para resolver diversos problemas, entre los más comunes: el dimensionamiento de obras hidráulicas y la reconstrucción y generación de serie de datos. El objetivo principal de este estudio fue modelar los escurrimientos en una cuenca con condiciones climáticas extremas y...
Article
Full-text available
This study aims to determine the optimal approach for evaluating thermal comfort in an office that uses natural ventilation as the main conditioning strategy; the office is located in Quito-Ecuador. The performance of the adaptive model included in CEN Standard EN15251 and the traditional PMV model are compared with reports of thermal environment s...
Article
PLANET En Ecuador como en el resto de América Latina se ha experimentado diversos cambios en el uso y conocimiento de ciencia y tecnologías de información geográfica, desde ser un tema que solo lo abarcaba un pequeño grupo de expertos, a volverse en herramientas y métodos cada vez más conocidos por los ciudadanos en general. Los casos de trabajo co...

Questions

Question (1)
Question
I am trying to evaluate the energy potential for solar and wind farms using a multi criteria evaluation for each resource. I have two scenarios for each evaluation and other layers that I consider relevant for this kind of installations. But I do not know how estimate the weight factors for each layer and/or scenario.

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Projects

Project (1)
Project
The main objective of our proposed research is: Identification and classification of the proximate and underlying causes of deforestation in the Upper Napo River Watershed, with a focus on the main forest-replacing land uses. For this, we focus on three specific research activities, which are: 1) Characterization of the main forest-replacing land uses, by analyzing and describing the relevant agents, production systems, value chains and markets; 2) Mapping forest cover change from 2000 to 2016 and of the expansion of the main forest-replacing land uses; 3) Analyses of spatial dynamics behind the expansion of the land uses, based on spatially explicit statistics.