杜布罗夫尼克市的温度特性和热负荷

IF 0.9 4区 地球科学 Q4 GEOCHEMISTRY & GEOPHYSICS
Geofizika Pub Date : 2022-11-29 DOI:10.15233/gfz.2022.39.16
Marijana Boras, Ivana Herceg-Bulić, Matej Žgela, Irena Nimac
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引用次数: 0

摘要

在本研究中,利用杜布罗夫尼克当地气象站1961-2019年期间观测的温度数据、LANDSAT5卫星2001-2010年期间收集的卫星数据以及2001-2010年期间城市气候模型(MUKLIMO_3)模拟获得的气候指数数据,研究了杜布罗夫尼克市的温度特征和热负荷。使用森斜率和曼肯德尔检验分析了日平均温度、最高温度、最低温度和季节温度的趋势。结果显示,所有研究的温度相关元素都有上升趋势。然而,研究表明,夏季的气温增幅最大,日最高气温增幅最高。同样的方法也被应用于研究气候指数(夏季白天和热带夜晚)的趋势,这表明夏季白天和亚热带夜晚的数量都在增加。2001-2010年期间夏季陆地表面平均温度的卫星数据结果表明,城市化表面和裸露的岩石区域比有植被的自然表面升温更多。城市气候模型MUKLIMO_3模拟的气候指数(夏季和炎热的白天、温暖的夜晚和热带夜晚)也表明,平均而言,在杜布罗夫尼克市,城市化表面比有植被的自然表面受热更多,在密度较低的建成区,夜间热负荷减少。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Temperature characteristics and heat load in the City of Dubrovnik
In this study, temperature characteristics and heat load in the city of Dubrovnik are investigated by using temperature data observed at the local meteorological station in Dubrovnik for the period 1961-2019, satellite data collected by LANDSAT5 satellite for the period 2001-2010, and climate indices data obtained from simulations of an urban climate model (MUKLIMO_3) for the period 2001-2010. Trends in daily mean, maximum, minimum, and seasonal temperatures were analysed by using Sen's slope and the Mann-Kendall test. Results reveal rising trends for all of the studied temperature-related elements. However, it is demonstrated that temperature increase is greatest for the summer season with the highest rise for daily maximum temperatures. The same approach was applied to examine trends of climate indices (summer days and tropical nights), which indicates an increase in the number of both summer days and tropical nights. Results of satellite data of average summer land surface temperatures for the period 2001-2010 indicate that urbanised surfaces and bare rock areas heat up more than natural surfaces with vegetation. Climate indices (summer and hot days, warm evenings, and tropical nights) simulated by the urban climate model MUKLIMO_3 also reveal that, on average, in the city of Dubrovnik urbanised surfaces heat up more than natural surfaces with vegetation and that nocturnal heat load is reduced in lower-density built-up areas.
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来源期刊
Geofizika
Geofizika 地学-地球化学与地球物理
CiteScore
1.60
自引率
0.00%
发文量
17
审稿时长
>12 weeks
期刊介绍: The Geofizika journal succeeds the Papers series (Radovi), which has been published since 1923 at the Geophysical Institute in Zagreb (current the Department of Geophysics, Faculty of Science, University of Zagreb). Geofizika publishes contributions dealing with physics of the atmosphere, the sea and the Earth''s interior.
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