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Hydrology --- Congresses --- Environmental Sciences and Forestry. Water Management --- Hydrology. --- Hydrology - Congresses
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Hydrology --- Climatic changes --- Space and time --- Water --- Management --- Hydrology - Congresses --- Climatic changes - Congresses --- Space and time - Congresses --- Water - Management - Congresses
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Hydrology. --- Hydrology --- Water resources development --- Sustainable development --- Flow Regimes from International Experimental and Network Data (Project) --- Earth Sciences --- Geography --- Hydrology - Congresses --- Water resources development - Congresses --- Sustainable development - Congresses
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The book focuses on two issues related to mathematical and numerical modelling of flow in unsaturated porous media. In the first part numerical solution of the governing equations is discussed, with particular emphasis on the spatial discretization of highly nonlinear permeability coefficient. The second part deals with large scale flow in heterogeneous porous media of binary structure. Upscaled models are developed and it is shown that the presence of material heterogeneities may give rise to additional non-equilibrium terms in the governing equations or to hysteresis in the averaged constitutive relationships.
Hydrogeology -- Congresses. --- Hydrogeology. --- Hydrology -- Congresses. --- Hydrology. --- Groundwater flow --- Zone of aeration --- Porous materials --- Geography --- Earth & Environmental Sciences --- Physical Geography --- Mathematical models --- Fluid dynamics --- Transport theory --- Mathematical models. --- Permeability --- Porous media --- Earth sciences. --- Geophysics. --- Earth Sciences. --- Hydrology/Water Resources. --- Geophysics/Geodesy. --- Materials --- Porosity --- Hydraulic engineering. --- Physical geography. --- Engineering, Hydraulic --- Engineering --- Fluid mechanics --- Hydraulics --- Shore protection --- Geological physics --- Terrestrial physics --- Earth sciences --- Physics --- Aquatic sciences --- Hydrography --- Water --- Geohydrology --- Geology --- Hydrology --- Groundwater
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Most aquatic ecosystems have variable water levels. These water-level fluctuations (WLF) have multiple effects on the organisms above and below the waterline. Natural WLF patterns in lakes guarantee both productivity and biodiversity, while untimely floods and droughts may have negative effects. Human impacts on WLF have led to a stabilization of the water levels of many lakes by hydraulic regulation, untimely drawdown due to water use, or floods due to water release from hydropower plants in the catchments. This book provides a first review in this field. It presents selected papers on the ecological effects of WLF in lakes, resulting from a workshop at the University of Konstanz in winter 2005. Issues addressed here include the extent of WLF, and analyses of their effects on different groups of biota from microorganisms to vertebrates. Applied issues include recommendations for the hydrological management of regulated lakes to reduce negative impacts, and a conceptual framework is delivered by an extension of the floodpulse concept for lakes. Current impacts on water use, including increasing demands on drinking and irrigation water, hydropower etc., and climate change effects on WLF make this book an essential resource for aquatic ecologists, engineers, and decision-makers dealing with the management of lake ecosystems and their catchments.
Life Sciences. --- Freshwater & Marine Ecology. --- Ecosystems. --- Fish & Wildlife Biology & Management. --- Life sciences. --- Endangered ecosystems. --- Aquatic biology. --- Wildlife management. --- Sciences de la vie --- Ecosystèmes menacés --- Hydrobiologie --- Faune --- Aménagement --- Biotic communities -- Effect of water levels on -- Congresses. --- Lake ecology -- Congresses. --- Lake hydrology -- Congresses. --- Water levels -- Congresses. --- Water levels. --- Earth & Environmental Sciences --- Ecology --- Hydrobiology --- Water biology --- Level, Water --- Levels, Water --- Water --- Water level --- Level --- Levels --- Environment. --- Aquatic ecology. --- Wildlife. --- Fish. --- Environmental management. --- Environmental Management. --- Aquatic sciences --- Biology --- Hydraulic measurements --- Threatened ecosystems --- Biotic communities --- Nature conservation --- Environmental stewardship --- Stewardship, Environmental --- Environmental sciences --- Management --- Animal populations --- Game management --- Management, Game --- Management, Wildlife --- Plant populations --- Wildlife resources --- Natural resources --- Wildlife conservation --- Aquatic ecology . --- Fish --- Pisces --- Aquatic animals --- Vertebrates --- Fisheries --- Fishing --- Ichthyology --- Aquatic biology --- Biocenoses --- Biocoenoses --- Biogeoecology --- Biological communities --- Biomes --- Biotic community ecology --- Communities, Biotic --- Community ecology, Biotic --- Ecological communities --- Ecosystems --- Natural communities --- Population biology
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Water in agriculture --- Drainage --- Water conservation --- Hydrology --- Natural areas --- Congresses. --- -Hydrology --- -Natural areas --- -Water conservation --- -Water in agriculture --- -Agriculture --- Water-supply, Agricultural --- Water-supply, Rural --- Conservation of water --- Water --- Conservation of natural resources --- Area preserves, Natural --- Conservation land --- Conservation lands --- Land, Conservation --- Landmarks, Natural --- Lands, Conservation --- Natural area preserves --- Natural history reservations --- Natural landmarks --- Nature conservation areas --- Nature conservation lands --- Nature preserves --- Nature reserves --- Preserves, Natural area --- Preserves, Nature --- Protected natural areas --- Protected natural regions --- Protected natural sites --- Reservations, Natural history --- Reserves, Nature --- Natural resources conservation areas --- Protected areas --- National parks and reserves --- Nature conservation --- World Heritage areas --- Aquatic sciences --- Earth sciences --- Hydrography --- Land drainage --- Agricultural engineering --- Hydraulic engineering --- Reclamation of land --- Sanitary engineering --- Sewerage --- Congresses --- Conservation --- Environmental Sciences and Forestry. Water Management --- Agrohydrology --- -Congresses --- Agrohydrology. --- Agriculture --- Water in agriculture - Congresses. --- Drainage - Congresses. --- Water conservation - Congresses. --- Hydrology - Congresses --- Natural areas - Congresses. --- Water flow in soils --- Irrigation
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Ponds are an exceptional freshwater resource around the world and represent thirty percent of the global surface area of standing water. Furthermore, the millions of ponds which exist exhibit a particularly high biodiversity and have a high potential for ecosystem functions and services. Despite these impressive features, ponds face many threats from a variety of human activities and receive little or no protection under European and national legislation. Consequently, there is an urgent need to protect, consolidate and increase the pond resource in Europe. In order to achieve these objectives, the European Pond Conservation Network (EPCN) was launched 2004 in Geneva. Its aim is to promote the awareness, understanding and conservation of these small water bodies in the European landscape. This volume of “Developments in Hydrobiology” presents a selection of 31 papers presented during EPCN conferences held in 2006 in France (Toulouse) and in 2008 in Spain (Valencia). They represent a diverse collection of themes from across the continent and North Africa and present new and original insights into topics as wide ranging as pond biodiversity; human disturbance; landscape ecology; ecological assessment and monitoring; practical management measures; ecological restoration; hydrology and climate change; invasive species and threatened species.
Aquatic biodiversity -- Congresses. --- Ecological assessment (Biology). --- Hydrology -- Congresses. --- Nature -- Effect of human beings on -- Congresses. --- Pond ecology -- Congresses. --- Ponds -- Europe -- Congresses. --- Ponds --- Pond ecology --- Aquatic biodiversity --- Ecological assessment (Biology) --- Nature --- Hydrology --- Earth & Environmental Sciences --- Ecology --- Effect of human beings on --- Nature conservation --- Conservation of nature --- Nature protection --- Protection of nature --- Conservation --- Life sciences. --- Biodiversity. --- Landscape ecology. --- Aquatic ecology. --- Plant ecology. --- Conservation biology. --- Ecology. --- Life Sciences. --- Plant Ecology. --- Freshwater & Marine Ecology. --- Conservation Biology/Ecology. --- Landscape Ecology. --- Conservation of natural resources --- Applied ecology --- Conservation biology --- Endangered ecosystems --- Natural areas --- Freshwater ecology --- Aquatic biology. --- Hydrobiology --- Water biology --- Aquatic sciences --- Biology --- Botany --- Plants --- Biological diversification --- Biological diversity --- Biotic diversity --- Diversification, Biological --- Diversity, Biological --- Biocomplexity --- Ecological heterogeneity --- Numbers of species --- Phytoecology --- Vegetation ecology --- Aquatic ecology . --- Ecology . --- Balance of nature --- Bionomics --- Ecological processes --- Ecological science --- Ecological sciences --- Environment --- Environmental biology --- Oecology --- Environmental sciences --- Population biology --- Aquatic biology --- Floristic ecology
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This book at the intersection of natural sciences, economics, and water engineering aims to reduce the gaps between economic theory, natural sciences, and engineering practice. Based on an extended thermodynamic approach, the authors explain which economic assumptions are acceptable for constructing a dynamic model that is consistent with the natural sciences. In particular, the special role of water in the production and reproduction activities will be considered as an integral component. Water is generated in a separate water treatment process and is used to transport the unavoidable by-products of production and reproduction activities to a wastewater sector. In this respect, not only environmental protection aspects, but also the interrelation between the water requirements and the use of non-renewable resources for producing desired consumption goods will be highlighted.
Energy dissipation -- Congresses. --- Entropy -- Congresses. --- Hydraulic engineering. --- Hydraulics -- Congresses. --- Hydrology -- Congresses. --- Water -- Thermal properties -- Congresses. --- Environmental economics --- Water resources development --- Hydraulic engineering --- Entropy --- Business & Economics --- Economic History --- Environmental economics. --- Entropy. --- Water. --- Economics --- Environmental quality --- Environmental aspects --- Economic aspects --- Energy industries. --- Water pollution. --- Economics. --- Environmental Economics. --- Energy Economics. --- Waste Water Technology / Water Pollution Control / Water Management / Aquatic Pollution. --- Hydrology --- Thermodynamics --- Environmental pollution. --- Energy Policy, Economics and Management. --- Chemical pollution --- Chemicals --- Contamination of environment --- Environmental pollution --- Pollution --- Contamination (Technology) --- Asbestos abatement --- Bioremediation --- Environmental engineering --- Factory and trade waste --- Hazardous waste site remediation --- Hazardous wastes --- In situ remediation --- Lead abatement --- Pollutants --- Refuse and refuse disposal --- Energy policy. --- Energy and state. --- Aquatic pollution --- Fresh water --- Fresh water pollution --- Freshwater pollution --- Inland water pollution --- Lake pollution --- Lakes --- Reservoirs --- River pollution --- Rivers --- Stream pollution --- Water contamination --- Water pollutants --- Water pollution --- Waste disposal in rivers, lakes, etc. --- Energy and state --- Power resources --- State and energy --- Industrial policy --- Energy conservation --- Government policy
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