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Major Research Subjects of Asami, Y. (2001-) Professor
Further information is available at http://okabe.t.u-tokyo.ac.jp/okabelab/asami/asami-j.html
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Evaluation of Residential Environments in Micro-Scale and
Its Application to Planning
Residents' evaluations of their residential environments are analyzed
through environmental experiments and questionnaire survey. Appropriate
set of indices concerning safety, health, efficiency, amenity
and sustainability are developed and with these terms, the residential
environment is evaluated comprehensively combining these indices.
With hedonic models applied to residential areas with detailed
indices, the implicit values of elements constituting residential
environment are quantified. The results are applied to evaluate
effects of planning measures, such as provision of small parks,
readjustment of shapes of lots, change in limit of floor area
ratio, etc..
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Developing Models of Changes in Urban Structures
A land use transition model is developed based on detailed land
use situation, transportation condition, land use regulation and
land market situation. A notable feature of the model is that
they incorporate thresholds in land use change and land price,
that is that the tendency in land use change is modeled to drastically
change beyond certain values of land use ratio and land price.
Another model is developed for urban redevelopment projects. Spatial
data mining technique is devised to derive the conditions under
which projects become executable. Locational factors are judged
to be key elements for these projects. Results can be applied
to prediction of urban structures and quantification of urban
policy effects.
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Analysis of Urban Forms of Turkish Cities Using Geographic
Information System
Based on the database of road network, building situation, topography
and historical documents for Turkish cities, spatial patterns
characteristic of their culture, natural climate and society is
analyzed using GIS.
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Cognition in Townscape Evaluation
Cognitive structure in evaluating townscapes is analyzed based
on experiments in environmental psychology.
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Appraisal of Real Estates and Analysis of Real Estate Market
To support appraisers of real estates and to assist buyers and
sellers of real estates, an appraisal system is developed. Results
are applied to derivation of optimal block partition and to evaluation
of development projects.
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