Temperature and wind distribution in an E-W-Oriented urban street canyon

Hirofumi Sugawara, Aya Hagishima, Ken ichi Narita, Hiroko Ogawa, Mitsuo Yamano

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The air temperature distribution and airflow field in an actual urban street canyon were clarified through intensive observations. The 2-D distribution of temperature and wind was clarified on a N-S vertical cross section of the E-W-oriented street canyon. A steady single vortex, approximately equal to the size of the canyon, was frequently observed. A rather distinct vortex was observed when the ambient winds above the canyon were high and their direction was transverse to the canyon. Thermally unstable stratification also contributed to the formation of the distinct vortex. The vortex airflow advected the cold air mass, which was produced by the shade due to the buildings, up wind of the ambient wind above the canyon.

Original languageEnglish
Pages (from-to)53-56
Number of pages4
JournalScientific Online Letters on the Atmosphere
Volume4
Issue number1
DOIs
Publication statusPublished - 2008

Fingerprint

street canyon
canyon
vortex
airflow
temperature
cold air
air mass
stratification
air temperature
cross section
distribution

All Science Journal Classification (ASJC) codes

  • Atmospheric Science

Cite this

Temperature and wind distribution in an E-W-Oriented urban street canyon. / Sugawara, Hirofumi; Hagishima, Aya; Narita, Ken ichi; Ogawa, Hiroko; Yamano, Mitsuo.

In: Scientific Online Letters on the Atmosphere, Vol. 4, No. 1, 2008, p. 53-56.

Research output: Contribution to journalArticle

Sugawara, Hirofumi ; Hagishima, Aya ; Narita, Ken ichi ; Ogawa, Hiroko ; Yamano, Mitsuo. / Temperature and wind distribution in an E-W-Oriented urban street canyon. In: Scientific Online Letters on the Atmosphere. 2008 ; Vol. 4, No. 1. pp. 53-56.
@article{01c0c0d4cda0430b9e68c4472dea29f6,
title = "Temperature and wind distribution in an E-W-Oriented urban street canyon",
abstract = "The air temperature distribution and airflow field in an actual urban street canyon were clarified through intensive observations. The 2-D distribution of temperature and wind was clarified on a N-S vertical cross section of the E-W-oriented street canyon. A steady single vortex, approximately equal to the size of the canyon, was frequently observed. A rather distinct vortex was observed when the ambient winds above the canyon were high and their direction was transverse to the canyon. Thermally unstable stratification also contributed to the formation of the distinct vortex. The vortex airflow advected the cold air mass, which was produced by the shade due to the buildings, up wind of the ambient wind above the canyon.",
author = "Hirofumi Sugawara and Aya Hagishima and Narita, {Ken ichi} and Hiroko Ogawa and Mitsuo Yamano",
year = "2008",
doi = "10.2151/sola.2008-014",
language = "English",
volume = "4",
pages = "53--56",
journal = "Scientific Online Letters on the Atmosphere",
issn = "1349-6476",
publisher = "Meteorological Society of Japan",
number = "1",

}

TY - JOUR

T1 - Temperature and wind distribution in an E-W-Oriented urban street canyon

AU - Sugawara, Hirofumi

AU - Hagishima, Aya

AU - Narita, Ken ichi

AU - Ogawa, Hiroko

AU - Yamano, Mitsuo

PY - 2008

Y1 - 2008

N2 - The air temperature distribution and airflow field in an actual urban street canyon were clarified through intensive observations. The 2-D distribution of temperature and wind was clarified on a N-S vertical cross section of the E-W-oriented street canyon. A steady single vortex, approximately equal to the size of the canyon, was frequently observed. A rather distinct vortex was observed when the ambient winds above the canyon were high and their direction was transverse to the canyon. Thermally unstable stratification also contributed to the formation of the distinct vortex. The vortex airflow advected the cold air mass, which was produced by the shade due to the buildings, up wind of the ambient wind above the canyon.

AB - The air temperature distribution and airflow field in an actual urban street canyon were clarified through intensive observations. The 2-D distribution of temperature and wind was clarified on a N-S vertical cross section of the E-W-oriented street canyon. A steady single vortex, approximately equal to the size of the canyon, was frequently observed. A rather distinct vortex was observed when the ambient winds above the canyon were high and their direction was transverse to the canyon. Thermally unstable stratification also contributed to the formation of the distinct vortex. The vortex airflow advected the cold air mass, which was produced by the shade due to the buildings, up wind of the ambient wind above the canyon.

UR - http://www.scopus.com/inward/record.url?scp=77955714757&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=77955714757&partnerID=8YFLogxK

U2 - 10.2151/sola.2008-014

DO - 10.2151/sola.2008-014

M3 - Article

VL - 4

SP - 53

EP - 56

JO - Scientific Online Letters on the Atmosphere

JF - Scientific Online Letters on the Atmosphere

SN - 1349-6476

IS - 1

ER -