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  • Articles  (1,465)
  • 2020-2023
  • 2020-2020
  • 1995-1999  (1,236)
  • 1965-1969  (229)
  • Architecture, Civil Engineering, Surveying  (1,465)
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  • Articles  (1,465)
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  • 1
    Electronic Resource
    Electronic Resource
    USING VALUES IN PLANNING WASTEWATER FACILITIES FOR METROPOLITAN SEATTLE (1996)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of the American Water Resources Association 32 (1996), S. 0 
    Details
    ISSN: 1752-1688
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying , Geography
    Notes: : This paper uses the fundamental values of decision makers to guide a long-term wastewater planning process at Seattle Metro, a major utility district. Multiattribute value assessment is used to elicit the objectives of several elected officials and other key decision makers. The results are structured into a fundamental objectives hierarchy and a means-ends objectives network. A set of measures to indicate the performance of planning alternatives in terms of the fundamental objectives is developed. Preliminary value tradeoffs between objectives are elicited from several elected officials. The results of these steps are useful for many aspects of long-term planning: facilitating communication about values and priorities; designing attractive alternatives that are more likely to serve stakeholder interests; identifying information needed to evaluate alternatives; clarifying the relative importance of information about different impacts; providing a basis for quantitative evaluation of the alternatives with multiple objective analysis; and focusing attention on key tradeoffs that will affect the choice of alternatives.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1752-1688.1996.tb03452.x
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  • 2
    Electronic Resource
    Electronic Resource
    A NONLINEAR MODEL OF A WATER RESERVOIR SYSTEM WITH MULTIPLE USES AND ITS OPTIMIZATION BY COMBINED USE OF DYNAMIC PROGRAMMING AND PATTERN SEARCH TECHNIQUES (1969)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of the American Water Resources Association 5 (1969), S. 0 
    Details
    ISSN: 1752-1688
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying , Geography
    Notes: A fairly realistic nonlinear model of a water reservoir system with multiple uses has been developed based on available data, and the optimum of the system based on the developed model has been determined by the combined use of dynamic programming and the pattern search techniques. Both the simplex search and the Hooke and Jeeves pattern search have been used. The approach in modeling and optimization can treat complex inequality constraints. The benefits or losses resulting from four purposes or uses of water, namely, urban water supply, hydroelectric power generation, irrigation, and recreation, are taken into account in the profit function. Other uses such as flood control, navigation, and fish and wildlife enhancement are considered indirectly by the use of inequality constraints. It appears that the approach developed in this work can treat a water resource allocation problem involving complex inequality constraints.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1752-1688.1969.tb04899.x
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  • 3
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    Assessment of the capabilities of multi-temporal ERS-1 SAR data to discriminate between agricultural crops (1995)
    Taylor & Francis
    Details
    Publication Date: 1995-09-20
    Print ISSN: 0143-1161
    Electronic ISSN: 1366-5901
    Topics: Architecture, Civil Engineering, Surveying , Geography
    Published by Taylor & Francis
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    PAPER CURRENT
  • 4
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    USING VALUES IN PLANNING WASTEWATER FACILITIES FOR METROPOLITAN SEATTLE (1996)
    Wiley
    Details
    Publication Date: 1996-04-01
    Print ISSN: 1093-474X
    Electronic ISSN: 1752-1688
    Topics: Architecture, Civil Engineering, Surveying , Geography
    Published by Wiley
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    PAPER CURRENT
  • 5
    facet.materialart.
    Unknown
    A NONLINEAR MODEL OF A WATER RESERVOIR SYSTEM WITH MULTIPLE USES AND ITS OPTIMIZATION BY COMBINED USE OF DYNAMIC PROGRAMMING AND PATTERN SEARCH TECHNIQUES (1969)
    Wiley
    Details
    Publication Date: 1969-09-01
    Print ISSN: 1093-474X
    Electronic ISSN: 1752-1688
    Topics: Architecture, Civil Engineering, Surveying , Geography
    Published by Wiley
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    PAPER CURRENT
  • 6
    Electronic Resource
    Electronic Resource
    SPATIAL AND TEMPORAL WATER QUALITY VARIABILITY IN THE PIRACICABA RIVER BASIN, BRAZIL (1997)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of the American Water Resources Association 33 (1997), S. 0 
    Details
    ISSN: 1752-1688
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying , Geography
    Notes: : The spatial and temporal variability of dissolved oxygen (DO), biochemical oxygen demand (BOD), nitrate concentration and total coliform (TC) were investigated at nine sampling stations distributed along the main rivers of the Piracicaba River Basin, a 12,400 km2 catchment located in São Paulo State, one of the most developed regions of Brazil. Spatially, a downstream impoverishment of water quality conditions was observed, as seen by the decrease of DO, and increase of BOD, nitrate, and TC. These changes were probably caused by accumulating downstream discharge of domestic and industrial sewage. Temporal evaluation of 18 years of data showed that DO decreased with time for the majority of the sampling stations, while BOD, nitrate, and TC increased. A law, approved at the end of 1991, proposed a new water tax for river water extraction for industrial and agricultural use. The amount of this tax is determined according to the water quality of the extracted water. Therefore, the evaluation of the water quality status in this basin is a first step to help resources managers to determine the values for this tax.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1752-1688.1997.tb04129.x
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  • 7
    Electronic Resource
    Electronic Resource
    Assessment of Exposures and Health Risks Related to Formaldehyde Emissions from Furniture: a Case Study (1995)
    Oxford, UK : Munksgaard International Publishers
    Indoor air 5 (1995), S. 0 
    Details
    ISSN: 1600-0668
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying , Medicine
    Notes: According to the Californian Safe Drinking Water and Toxic Enforcement Act, Proposition 65 (State of California, 1986) the manufacturers and retailers of products (such as furniture and fittings) which emit formaldehyde are obliged to either mark their products with a warning label or provide evidence that their products do not pose a significant cancer risk to the consumer. The significant risk is defined as 1 case of cancer in a population of 100,000 persons within a period of exposure of 70 years (State of California, 1992).In this study, a large-scale climate chamber test of a full set of furniture and fitments was made. The formaldehyde concentration in a test chamber peaked at about 112 μg/m3 within a day after the furniture had been installed. After 8 weeks the concentration leveled out at about 50 μg/m3.Various models were used to predict occupant exposures in homes containing the same furniture and fitments; multi-compartment models identified a short-term compartment with a half-life of between 5.2 and 6.0 h and a relative source strength of between 75% and 30% of the total source strength; a medium-term compartment with a half-life of between 14 and 81 days; and a long-term compartment for which the best estimate of a half-life was 384 days.The accumulated dose of formaldehyde absorbed by an occupant during 70 years of exposure in the hypothetical home was estimated by extrapolation using the same models. The dose was found to be in the range of 0.13 g to 0.16 g.The concentration in the test chamber showing a maximum value of 112 μg/m3 formaldehyde may cause discomfort among hypersensitive persons during the first couple of days. The risk estimates based on the estimated long-term dose indicate that the cancer risks associated with the exposure caused by furniture are in the range of 6.9 to 8.9 × 10−8, based on monkey data, and 5.8 to 7.4 × 10−7, based on rat data.In conclusion, a successful draft protocol was established for tests in relation to Proposition 65 and, with the limitations of this exploratory study, the actual furniture equipment is considered to cause no significant cancer risk to the consumer according to the Proposition.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-0668.1995.t01-2-00002.x
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  • 8
    Electronic Resource
    Electronic Resource
    INTEGRATING A GEOGRAPHIC INFORMATION SYSTEM, A SCIENTIFIC VISUALIZATION SYSTEM, AND A PRECIPITATION MODEL (1996)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of the American Water Resources Association 32 (1996), S. 0 
    Details
    ISSN: 1752-1688
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying , Geography
    Notes: : Investigating natural, potential, and human-induced impacts on hydrologic systems commonly requires complex modeling with overlapping data requirements, plus massive amounts of one- to four-dimensional data at multiple scales and formats. Given the complexity of most hydrologic studies, the requisite software infrastructure must incorporate many components including simulation modeling and spatial analysis with a flexible, intuitive display. Integrating geographic information systems (GIS) and scientific visualization systems (SVS) provides such an infrastructure. This paper describes an integrated system consisting of an orographic precipitation model, a GIS, and an SVS. The results of this study provide a basis for improving the understanding of hydro-climatic processes in mountainous regions. An additional benefit of the integrated system, the value of which is often underestimated, is the improved ability to communicate model results, leading to a broader understanding of the model assumptions, sensitivities, and conclusions at a management level.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1752-1688.1996.tb03458.x
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  • 9
    Electronic Resource
    Electronic Resource
    WATER RIGHTS IN CALIFORNIA (1967)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of the American Water Resources Association 3 (1967), S. 0 
    Details
    ISSN: 1752-1688
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying , Geography
    Notes: The paper defines a water right and discusses the origin, description and relationship of riparian rights, appropriative rights, overlying rights, pueblo rights, prescriptive rights and rights to spring water and return flows as recognized in California. It reviews the objectives and physical criteria on which administration of water rights in California is based and describes the administrative body, then outlines the procedures in regard to appropriation of water and determination of existing rights. It discusses watermaster service and water use recordation as practiced in California, and mentions Federal-State relationships, including the “reservation principle” asserted by the Federal Government. It concludes with observations of the deficiencies in the California system.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1752-1688.1967.tb02887.x
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  • 10
    Electronic Resource
    Electronic Resource
    SPATIAL AND TEMPORAL ANALYSIS OF AGRICULTURAL WATER REQUIREMENTS IN THE GULF COAST OF THE UNITED STATES (1999)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of the American Water Resources Association 35 (1999), S. 0 
    Details
    ISSN: 1752-1688
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying , Geography
    Notes: : Competition for water resources is becoming an increasingly important issue in the southeastern U.S. The potential impacts of future precipitation and runoff estimated by a transient global climate model (HADCM2) on competing water resources in the Southeast has been conducted. Issues of agricultural management, irrigation water withdrawals, and water quality were studied over three time periods: 1974–1993, 2020–2039, and 2080–2099 in five water basins identified previously as exhibiting water-related problems. These basins, which encompass the boundary between Alabama and Mississippi, cover four important agricultural counties in Mississippi. Irrigation water requirements generated by crop growth models for corn, soybeans, and winter wheat were coupled with monthly runoff for the impacted basins estimated by the SWAT water balance model. The results of the study reveal that in the next 20–40 years water availability in the southern portions of the study area will decline as much as 10 percent during times when water requirements for agricultural production are crucial. Maintaining or expanding existing crop yields under future climate regimes may require additional irrigation water and increase competition among other uses such as domestic, industrial, recreational, and ecosystem quality.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1752-1688.1999.tb04239.x
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