Object-Oriented Approach to Urban Canyon Analysis And Its Applications in Meteorological Modelingстатья

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Дата последнего поиска статьи во внешних источниках: 26 декабря 2015 г.

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1. Полный текст TS_UrbanCanyons_2015.pdf 9,5 МБ 5 августа 2015 [tsamsonov]

[1] Samsonov T. E., Konstantinov P. I., Varentsov M. I. Object-oriented approach to urban canyon analysis and its applications in meteorological modeling // Urban Climate. — 2015. — Vol. 13. — P. 122–139. The study applies object-oriented analysis to extraction of urban canyons and introduces the concept of directed urban canyon which is then experimentally applied in urban meteorological modeling. A summary of current approaches for describing urban canyon geometry is provided. Then a new theoretical approach to canyon delineation is presented that allows chaining the spaces between buildings into directed canyons that comprise three-level hierarchy. An original methodology based on triangular irregular network (TIN) is presented that allows extraction of directed and undirected urban canyons from cartographic data and estimation of their geometric characteristics. Obtained geometric properties of canyons are coupled with land use data into the database, which is then applied in micro-to-local scale temperature and wind modeling. Using URB{
_}MOS model and the derived database we refined COSMO_RU modeling results which allowed us to decrease mean root square error of temperature forecast from 4.0 to 2.1 degrees. Estimation of possible wind accelerations along canyons using the derived database is also presented. Results and future perspectives are summarized in the concluding part. [ DOI ]

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