National Urban Recreation Study


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Technical report 13


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Integrated Regional Models


Book Description

Integrated regional models are conceptual and mathematical models that describe the physical environment, biological interactions, human decision-making, and human impact on the environment. Efforts are now being made to integrate regional models from the physical, biological and social sciences in order to respond to diverse environmental problems. This volume explores the latest research developments on processes operating at a variety of scales, including regions, and how scientists can combine their efforts to develop models linking biological, physical, and human systems. Data requirements for successful integrated regional models are identified and discussed. Chapters also consider methodological questions, such as whether to integrate disciplinary approaches at the beginning or the end of the modelling process, and whether integrated regional models should focus on specific regions or specific problems. The information in this volume will enable the reader to view problems such as coastal zone management, atmospheric pollution, non-point source pollution, commodity production in forested areas, and urban expansion in a broad, conceptual context. Researchers and graduate students in ecology, biology, geography and geology will benefit from this innovative approach to contemporary environmental problems.




Modeling Attraction-end Choice for Urban Recreational Trips


Book Description

Attraction-end choice studies have primarily focused on non-urban recreational trips or non-recreational urban trips. Relatively little attention has been focused in the literature on urban recreational trips. In contrast, urban recreational trips are contributing increasingly to overall urban travel. In this paper, the authors examine attraction-end choice models for home-based urban recreational trips. A non-linear-in-parameters multinomial logit model is estimated using the 1996 Dallas-Fort Worth household activity survey. The effects of level-of-service, zonal attributes, trip attributes, and socio-demographic variables on recreational attraction-end choice are examined, and the implications of the results for land-use, transportation planning, and air quality analysis are discussed.