Academic Journal

Impacts of Urban Development between 2002 and 2022 on the Effects of Sea Breezes in Sendai, Japan—Analyzing Heat Balance Mechanism in Urban Space

التفاصيل البيبلوغرافية
العنوان: Impacts of Urban Development between 2002 and 2022 on the Effects of Sea Breezes in Sendai, Japan—Analyzing Heat Balance Mechanism in Urban Space
المؤلفون: Yonghang Xie, Yasuyuki Ishida, Hironori Watanabe, Akashi Mochida
المصدر: Atmosphere, Vol 14, Iss 4, p 677 (2023)
بيانات النشر: MDPI AG, 2023.
سنة النشر: 2023
المجموعة: LCC:Meteorology. Climatology
مصطلحات موضوعية: urban development, local climate zone, sea breezes, mesoscale simulation, Weather Research and Forecasting model, heat balance analysis, Meteorology. Climatology, QC851-999
الوصف: Sea breezes are important in a coastal urban climate; however, the impact of urban development on the effects of sea breezes, which decrease air temperature and increase humidity, has not been understood quantitatively. To quantitatively evaluate this impact in Sendai, Japan over the past twenty years, this study analyzed the heat balance mechanisms in urban spaces based on the simulation results of the Weather Research and Forecasting (WRF) model coupled with Local Climate Zone (LCZ) maps. Compared to the observation data on air temperature, specific humidity, and wind in August 2002, results of the numerical simulation, using the 2002 LCZ map and the meteorological conditions of August 2002, confirmed that the WRF model could reproduce meteorological factors well. Thereafter, two numerical simulations using the LCZ maps from 2002 and 2022 were conducted based on the same meteorological condition, from 25 July to 1 September 2008, to extract the impact of urban development on the effects of sea breeze. Consequently, when land use changed from urban built-up land to natural land cover, both the effects of sea breeze—decreasing air temperature and increasing humidity—decreased. Additionally, increases in LCZ 3 (compact low rise), mainly from LCZ 6 (open low rise) and LCZ 9 (sparsely built), decreased the effects of sea breeze (decreasing air temperature and increasing humidity) by 5% and 10%, respectively, in areas around Sendai Station. This was because the consumption of the sea breeze’s potential to decrease air temperature and increase humidity increased and the wind speed of sea breezes decreased in the windward areas of Sendai Station. These results provide new insights into the impact of urban development on the effects of sea breeze and quantitatively reveal changes in the effects of sea breeze.
نوع الوثيقة: article
وصف الملف: electronic resource
اللغة: English
تدمد: 2073-4433
Relation: https://www.mdpi.com/2073-4433/14/4/677; https://doaj.org/toc/2073-4433
DOI: 10.3390/atmos14040677
URL الوصول: https://doaj.org/article/4f97fde1c05a4232b0e495ea6e5ec11c
رقم الانضمام: edsdoj.4f97fde1c05a4232b0e495ea6e5ec11c
قاعدة البيانات: Directory of Open Access Journals
الوصف
تدمد:20734433
DOI:10.3390/atmos14040677