Recursos de colección

DIALNET OAI Articles (611.005 recursos)

DIALNET es una hemeroteca virtual, integradora de recursos y capaz de ofrecer servicios documentales y alertas informativas a sus usuarios. Sus principales objetivos son: * Aumentar la difusión y la accesibilidad de la literatura científica hispana. * Suministrar información actualizada de los contenidos de las revistas científicas que se publican en el ámbito hispano, tratando de abarcar el mayor número posible de revistas. * Emitir alertas informativas inmediatas a partir del momento de la publicación de nuevos ejemplares de las revistas que sean del interés de cada usuario. * Disponer de una base de datos de artículos científicos hispanos muy exhaustiva y actualizada, que permita desarrollos futuros que puedan redundar en beneficio de la comunidad de usuarios registrados.

Geociencias. Medio ambiente

Mostrando recursos 1 - 20 de 12.896

  1. Uma análise histórico-geográfica da importância do rio Beberibe para o abastecimento de água da Região Metropolitana do Recife

    Loebler Campos, Hernani; Pacheco, Soênia Maria
    The objective of this article is to present some considerations on the river Beberibe and its historical and geographical importance for the water supply for the Metropolitan Area of Recife. In this text, the main public and private water supply projects are reviewed, from the foundation of the Olinda city to the present day, with emphasis on the relationship between the increase in population density and consequences for the Beberibe source.

  2. Atria, Fernando y Salgado, Constanza, 2015, La propiedad, el dominio público y el régimen de aprovechamiento de aguas en Chile, Santiago, Legal Publishing Chile. ISBN 978-956-346-740-6.

    Aravena Rodríguez, Brandon Luis

  3. (Un) sustainability in the lower course of São Francisco River in the States Sergipe and Alagoas (Brazil)

    Silva de Araujo, Sergio; Oliveira de Aguiar Netto, Antenor
    This article presents a tool, which if it is not a novelty, seeks to collaborate with discussions about sustainable development, identifying indicators and indexes for assessing the sustainability degree of human interventions in the lower course of São Francisco River in in the States Sergipe and Alagoas (Brazil). The purpose of the research was to establish the influence of environmental parameters, specifically, the water flows of São Francisco River, in the socioeconomic indicators of the lower course of the river, related to rice production, not only by natural but also by irrigation flood. The documentary sources and statistics were the...

  4. Las políticas públicas de abastecimiento de agua potable y saneamiento para la localidad de Escalerillas, San Luis Potosí – México: escenarios y percepción ciudadana

    Mballa, Louis Valentin; Hernandez Espericueta, Fernando
    This article aims to show the scenarios of the drinking water supply and sanitation service for Escalerillas belonging to the Municipality of San Luis Potosí in Mexico. This service has been deficient, mainly due to inconsistencies and the unfinished processes of the public policies implemented by the municipal government. For data collection and analysis, different methodological tools were used (observation, interviews, literature review, surveys, etc.). With the results obtained, the main conclusion shows that, the residents of Escalerillas, currently do not have a potable water and sanitation service that meets their needs, despite their proximity to downtown of San Luis...

  5. Águas poluídas: uma história da poluição hídrica na Bacia Hidrográfica do Rio dos Sinos, RS

    Marques Harres, Marluza
    The article analyzes the process of water pollution in the Sinos River Basin, in the State do Rio Grande do Sul, Brazil. The text focuses on the historicity of the different forms of perception and representation of the problem of water contamination in the region and on the reactions of society and government to this matter. Issues such as the perception of the water pollution process, the mortality of fish that occurred in the Sinos River, the participation of the press in the matter, the work of the environmental movements and the government's position towards the problem are investigated in...

  6. Urquijo, Pedro S.; Vieyra, Antonio y Bocco, Gerardo (coords.), 2017, Geografía e Historia Ambiental, Morelia, Centro de Investigaciones en Geografía Ambiental, UNAM.

    Ávila Sánchez, Vanessa

  7. El poder público y las compañías de abastecimiento de agua en la Provincia de Rio Grande do Sul, Brasil (1822-1889)

    Quadros Rückert, Fabiano
    The aim of this paper is to address a part of the history of sanitation in Rio Grande do Sul from a set of government actions aimed specifically at the water supply during the imperial period (1822-1889). The text of the focus was directed to the analysis of government involvement in the creation of private companies that held the water supply service in the cities of Porto Alegre, Rio Grande and Pelotas - service involving public and private interests and that caused major changes in water use practices in their cities. The construction of the text was based on the...

  8. La gestión de las cuencas hidrográficas en España: avances y carencias del segundo ciclo de planificación

    González Rojas, David
     This paper analyses the currently situation of the review process of river basin management plans, identify the goals achieved, what improvements should be made and what other issues should be approached into the water management process to move towards the achievement of the objectives set at national and community legislation.The article focuses mainly on the evolution of the availability of water resources, the demands and some of the most significant environmental consequences of hydrological policy.Spain has 25 river basin districts, out of which 18 have already approved the river basin management plans of the second cycle. The river basin management...

  9. Urbanização e o abastecimento de água potável em Londrina-PR no contexto da “era da ecologia” (1970-1980)

    Arruda, Gilmar
    The main objective of this article is to demonstrate the relationship between the transformation of nature in the region of Londrina and social conflicts over ownership of natural resources, the demand for potable water, resulting from urban growth of the 1970s and 1980s. The article examines these conflicts in the context of the emergence and expansion of the “age of ecology”, and also of the establishment of democracy in brazilian society, in the 1980s. The research used reports from local newspapers; statements of workers union and environmental activists. The main contribution was the demonstration that social inequality that originates in capitalist society marks those social...

  10. Del Val, María Isabel (coord.), 2008, Monasterios y recursos hídricos en la Edad Media, Madrid, A. C. Almudayna. ISBN 978-84-87090-68-4.

    Reyes Ibarra, José Raúl

  11. Abastecimento de água no Brasil setentrional: a gestão hídrica em Aracati (século XIX)

    Bezerra Diniz, José Nilo
    Between the water source and the domestic consumer there is a network that connects them. This paper focuses on hydrological characteristics in a semi-arid Brazilian city in the mid-nineteenth century and the technical subsidies to support the collect and the social distribution of water. Both Aracati’s urban growth and the town’s financial deficit allowed the tryout of a supply system financed with private money although it was a superficial experience. The frustrated experience in Aracati is the first step towards discussing the water supply among all the social demands and commercial speculations in mid-nineteenth century.

  12. Penuria del agua indígena: una construcción social de desigualdades en la cuenca del rio Loa

    Rowlands, Jorge
    Este trabajo se propone analizar los procesos administrativos y las reconfiguraciones territoriales a través de las cuales se ha construido socialmente la penuria de agua que afecta actualmente  a los pueblos indígenas de la cuenca del rio Loa. De esta manera se busca comprender cómo las bases productivas indígenas fueron socavadas por políticas públicas del agua en beneficio de explotaciones industriales, mineras y del agua potable. En la primera parte, desde una perspectiva temporal, se analizaran los procesos de expropiación, inscripción y sobre otorgamiento de derechos de agua en la cuenca del Loa. En la segunda parte, se estudiará la...

  13. Intervenções sobre o rio Pinheiros e a incorporação do espaço urbano nas primeiras décadas do século XX: o caso da região do Brooklin na cidade de São Paulo

    dos Santos, Fábio Alexandre
    By means of literature review and analysis of primary sources, this article discusses the urban land incorporation process in the southwest of the city of São Paulo, in the first decades of the twentieth Century, from the performance of São Paulo Light, Trawmay & Power Company Limited, on the Pinheiros river, resulting in private annexation, for the company, broad strips of land in the region.

  14. Melgarejo Moreno, Joaquín y Molina Giménez, Andrés, 2017, La Mancomunidad de los Canales del Taibilla en la provincia de Alicante. Análisis de la implantación y evolución de la Mancomunidad de los Canales del Taibilla en la provincia de Alicante y sus repercusiones, Cartagena, Mancomunidad de los Canales del Taibilla e Instituto Universitario del Agua y de las Ciencias Ambientales, Universidad de Alicante,

    Bernabé Crespo, Miguel B.

  15. El código de aguas del modelo neoliberal y conflictos sociales por agua en Chile: relaciones, cambios y desafíos

    Guerrero Valdebenito, Rosa María; Fonseca Prieto, Francisca; Garrido, Jaime; García Ojeda, Mauricio
    This document describes, the characteristics of  the Neoliberal management model of water existing in Chile since the eighties, and its relationship to the emergence of various conflicts over water throughout the country in the last decade. A typology of conflicts is proposed and central nodes are described around which they are organized. Some model changes product of conflicts are exposed. Finally, the challenges and obstacles for the installation of a integrated and sustainable management model of water in Chile are explained.

  16. Potencial fotovoltaico en techumbre de edificios industriales de alta demanda energética, en zonas ecuatoriales.

    Marín López, Diego Sebastian; Zalamea, Esteban Felipe; Barragán Escandón, Antonio
    Industrial and residential buildings account for 60% of greenhouse gas emissions worldwide, and more specifically, they consume 62% of the electricity in Cuenca, Ecuador. The sun provides equatorial Andean countries with a consistent and relatively stable energy source throughout the year. Industrial plants have suitable surface areas on which to install solar photovoltaic (PV) panels. Using a volumetric survey of a high-consumption industrial plant, a roof intervention is proposed to achieve maximum usage of crystalline silicon solar panels. Aspects of indoor ventilation and natural lighting are also considered. Through a BIM (Building Information Modelling) software model and simulations using SAM@,...

  17. Nivel de eficiencia del usuario (neu) vs. consumo eléctrico en 14 edificios residenciales en altura en San Juan, Argentina.

    Alonso Frank, Alción; Kuchen, Ernesto
    The residential building sector accounts for 44% of local electricity consumption and is the user responsible for this consumption, especially through the use of energy-intensive systems such as individual air-conditioning systems. This work is based on the hypothesis that their behaviour, in relation to the use of passive or active adaptation strategies to satisfy their condition of comfort, has an impact on building energy efficiency. The objective is to know the correlation between the User Efficiency Level (UEL index) and the Energy Consumption of the building. For this purpose, fieldwork is carried out in 14 residential buildings located in San...

  18. Aspectos cuantitativos y cualitativos de la luz solar en recintos urbanos de alta densidad edilicia en climas soleados (período invernal)

    Córica, Lorena; Ruiz, María Angélica
    The city of Mendoza, located in the central-western region of the Argentine Republic, has a semi-arid climate and therefore high levels of solar radiation throughout the year. However, these effects are mitigated by the building density and foliation periods of urban trees. Hence, the objective of this research was to carry out a qualitative and quantitative study of daylight conditions during winter. Natural light was examined through two cases that are characteristic of the city, using a combination of in situ measurement techniques and subjective assessments of the spaces by users. The results on visual comfort in outdoor spaces show...

  19. Caracterización y diagnóstico de metodologías internacionales y normas iram para la evaluación ambiental edilicia de la vivienda: Análisis dirigido a la contextualización regional para zonas áridas de Argentina.

    Alvarez, Analia Alejandra; Buigues Nollens, Arturo F.
    This article has as aims determine the feasibility of contextualization of Environmental Assessment Methodologies (MEAs) of greater relevance at the international level that are applicable to the assessment of housing, compared to the current development of the Argentine IRAM regulations on sustainability. To do this, BREEAM, LEED, CASBEE and VERDE are analyzed on the one hand, and on the other, contextualized MEAs developed in Jordan and Korea. The theoretical study of the aforementioned MEAs is used as a research technique, through which these tools are characterized and diagnosed. As a result, we obtain the operational framework in which their developments...

  20. Reflectancia de las envolventes verticales y su influencia sobre disponibilidad de luz natural en el cañón urbano de la ciudad de Concepción

    Venegas, Andrés; Piderit Moreno, María Beatriz
    The objective of this study is to evaluate the influence a vertical envelope ́s material has on the availability of natural light in urban settings representative of the city of Concepción, in order to know the potential of these materials to provide natural light. The methodology was based on the selection of case studies from the historic Concepción downtown to build simplified models according to their height/width ratio (H/W). In each case, façade materials with greater presence in the urban canyon were chosen to calculate their reflectance and use in the simulated settings. The results show that the availability of...

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