نتایج جستجو برای: water quality hydrological modelling

تعداد نتایج: 1408783  

2004
C. Gandolfi A. Facchi D. Maggi B. Ortuani

Understanding the interaction between soil, vegetation and atmosphere processes and groundwater dynamics is of paramount importance in water resources planning and management in many practical applications. This is the case, for example, of the most important agricultural and industrial area in Italy, the Padana Plain, where intensive exploitation of groundwater for domestic and industrial supp...

Journal: :Rel. Eng. & Sys. Safety 2003
A. Francos Francisco Javier Elorza Fayçal Bouraoui Giovanni Bidoglio Lorenzo Galbiati

The development of new hydrological simulation tools allows for the modelling of large hydrological catchments, with the aim of comprehensive management of the water resources, control of diffuse pollution processes, such as the fate of agricultural fertilizants and finally, with purposes of economical optimization of the crop yields as a function of the expected climate, the watershed characte...

2010
I. Braud K. Chancibault S. Debionne G. Lipeme Kouyi B. Sarrazin C. Jacqueminet H. Andrieu D. Béal E. Bocher H. Boutaghane

The aim of the AVuPUR project is to enhance our understanding and modelling capacity of water fluxes within suburban watersheds. In particular, the objective is to deliver tools allowing to quantify the impact of anthropogenic elements such as urban areas, roads, ditches on the hydrological regime of suburban rivers. This paper presents the observation and data collection strategy set up by the...

2016
Michelle T.H. van Vliet Justin Sheffield David Wiberg Eric F. Wood

1 Recent droughts and heatwaves showed the vulnerability of the electricity sector to surface water 2 constraints with reduced potentials for thermoelectric power and hydropower generation in different 3 regions. Here we use a global hydrological-electricity modelling framework to quantify the impacts of 4 recent drought and warm years on hydropower and thermoelectric power usable capacity worl...

2000
VADIM KUZMIN PIETER VAN GELDER HAFZULLAH AKSOY ISMAIL KUCUK Vadim Kuzmin

Modelling techniques valid for ordinary hydrological conditions are often inadequate for catastrophic runoff conditions, as the majority of the parameters included in the modelling schemes are not necessarily applicable to flood conditions. To overcome this problem, using a stochastic self-training procedure (SSTP) is proposed. The procedure is based on the real water balance equation and the s...

Journal: :international journal of environmental research 2015
m.v. kumarasamy

prediction of spatial and temporal variation of water quality is vital for managing pollutantsdisposal into the rivers. depletion of dissolved oxygen (do) takes place due to the consumption of oxygen bymicrobes to digest bio-degradable pollutants which enter a water course. reaeration takes place in a specificrate depending on do deficit. many investigators have formulated models as an alternat...

2007
A. N. Rousseau

Hydrological and pollutant fate models have long been developed for research purposes. Today, they find an application in integrated watershed management, as decision support systems (DSS). GIBSI is such a DSS designed to assist stakeholders in watershed management. It includes a watershed database coupled to a GIS and accessible through a user-friendly interface, as well as modelling tools tha...

2010
David A. Swayne Wanhong Yang A. A. Voinov

In recent years, forest fires frequency and intensity has increased, causing a new awareness about their impact not only on vegetation, but also on hydrological regime. Changes in vegetation influence the processes of interception and evapotranspiration, seriously affecting the hydrological cycle. Forest fires can also affect hydrological processes indirectly, altering the hydraulic properties ...

2005
P. BRADSHAW Jeffrey Sachs

Lecturer in Geographical Information Science (University of Nottingham: UK). Elected Chair of RGS-IBG Geographical Information Science Research Group; Associate Editor for Water Resources Research; Co-Editor of "GeoComputation" (Taylor & Francis, 2000 ) and "Neural Networks for Hydrological Modelling" (A.A. Balkema Publishers, 2004); Principal research interests include GIS and Neu ral Network ...

2005
J. Koponen M. Kummu

This paper focuses on the estimating impacts of the development scenarios on natural resources and on socio-economy with the help of mathematic modelling. The work presented here is part of the WUP-FIN project, complementary project for Water Utilization Programme under MRC. WUP-FIN focuses on developing and implementing hydrological, environmental and socio-economic modelling tools for the Low...

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