Graduate Thesis Or Dissertation
 

Improved viewshed modelling for estimating effects of neighboring land uses on property values

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https://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/hh63sz62b

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  • The effect of land uses on neighboring property values is of critical interest to urban planners, developers, and citizens. Property values are in part defined by built structure and lot characteristics, locational attributes (e.g., proximity to amenities and disamenities), and other features such as views from a property. The effects of these attributes can be estimated using the hedonic property valuation method. While many of these attributes are easily quantified, views are less tangible. This study attempts to develop a viewshed estimation technique that takes into account the limbing up of trees, a major limitation of viewshed estimates to date. The limbing up effect was estimated using a conditional statement on three viewsheds: ground elevation only, ground elevation plus 8 feet where there are trees, and the elevation of vegetation (LIDAR). The viewsheds areas were intersected with their land use zone (residential, institutional, agricultural, etc) as well as their land use category (pavement, building, short, or tall vegetation) and perspective was controlled for. The viewshed estimates were evaluated within econometric models, yielding some interesting results, including that increased visibility of houses and pavement reduced property values, short vegetation had a positive effect, and views of trees themselves had no significant effect. While the techniques used in this study have great potential, they were limited in their current application due to computing power. Further investigations may help overcome some of the constraints within this study and explore variations on this technique in order to generate robust viewshed estimates.
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Urheberrechts-Erklärung
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