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Urban rivers and channelization policies
(Editora da Universidade Federal de Uberlândia - EDUFU, 2022-01-24)
Most of the watercourses in the city of Presidente Prudente, state of São Paulo, Brazil, are channeled, and many others are inaccessible to the population. The city’s watercourses are degraded with silted beds, intense ...
Modification of Lotic Environments for Open Pit Coal Extraction: Effects on Biota and Recommendations
(Univ Nac Colombia, Fac Ciencias, Dept Biol, 2018-01-01)
Open coal mining will cause a series of modifications to different lotic environments in Colombia. In this paper we analyzed the case of an open pit coal mine located in the Department of La Guajira, Colombia, focusing on ...
Modificación de ambientes lóticos para la extracción de carbón a cielo abierto: Efectos sobre la biota y recomendaciones
(2018-01-01)
Open coal mining will cause a series of modifications to different lotic environments in Colombia. In this paper we analyzed the case of an open pit coal mine located in the Department of La Guajira, Colombia, focusing on ...
Spatiotemporal variations in channel changes caused by cumulative factors in a meandering river: The lower Peixe River, Brazil
(Elsevier B.V., 2016-11-15)
Channel changes in meandering rivers naturally exhibit complex behaviour, and understanding the river dynamics can be challenging in environments also subject to cumulative human impacts. Planform changes were analysed on ...
Channelizing streams for agricultural drainage impairs their nutrient removal capacity
(American Society of Agronomy, 2019-03)
In agricultural basins, fluvial ecosystems can work as filters when retaining the nutrient excess from agricultural activities, mitigating the impacts downstream. In frequently flooded areas, like the Pampas Region of ...
La comunicación corporativa de ET Canal El Tiempo
(Universidad Católica de Pereira, 2011)
ET Canal El Tiempo, se construye como un canal netamente informativo y diferente que ofrece una pantalla en forma de „L‟ llena de información, no sólo en video, sino también con barras de texto y gráficos, en forma de ...
The impact of foreign exchange intervention in Colombia - an event study approach
(2014-06)
To date, there is still great controversy as to which exchange rate model should be used or which monetary channel should be considered, when measuring the effects of monetary policy. Since most of the literature relies ...
River avulsions on the Taquari megafan, Pantanal wetland, Brazil
(Elsevier B.V., 2005-09-01)
The Pantanal wetland is located in a tectonically active interior sedimentary basin in west-central Brazil. The south-flowing Paraguay River is the trunk-river of an alluvial constructional landform comprising several large ...
River avulsions on the Taquari megafan, Pantanal wetland, Brazil
(Elsevier B.V., 2005-09-01)
The Pantanal wetland is located in a tectonically active interior sedimentary basin in west-central Brazil. The south-flowing Paraguay River is the trunk-river of an alluvial constructional landform comprising several large ...
Interactions of Marine Hydrokinetic Devices in Complex Bathymetries: Numerical Simulations in the Chacao Channel in Southern Chile
(2015)
Many coastal areas in the South Pacific Ocean can provide significant marine energy resources in
the near future. The installation of marine hydrokinetic (MHK) devices in these regions will require
new approaches to ...