Summer thermal comfort in Czech cities: measured effects of blue and green features in city centres

Lehnert, Michal; Tokar, Vladimír; Jurek, Martin; Geletič, Jan

doi:10.1007/s00484-020-02010-y

Cited by 47 publications

(33 citation statements)

References 68 publications

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“…Discovering these causalities would enable the application of a world-wide standardized process of LCZ definition to broader scale of climate change impacts in cities. This intention is consistent with a trend to strengthen multidisciplinary approaches of adaptation measures that should not only help to decrease thermal discomfort of citizens [11,14] but also contribute to the solution of extreme hydrological events [19], to support biodiversity in cities [36] and enhance the quality of public space [37]. Holistic approaches become the basis for integrated planning methodology for sustainable development of cities [38].…”

Section: Introductionsupporting

confidence: 55%

“…On the other hand, they have to introduce measures to mitigate the impacts of heavy rains, floods on a built-up area of a city, capacity overload of drainage systems that cause negative impact on quality of water in watercourses [2,8]. The abovementioned issues became relevant for the cities in Central Europe as well [4,11,12].…”

Section: Introductionmentioning

confidence: 99%

“…Standardized LCZ units can also be used as a basis for assessing the impact of urban landscape transformation on ecosystem services [34]. An important factor, which influences UHI intensity, is how the BGI elements are spatially distributed in the city [11,35]. Thus, it is expected that there are certain causalities across LCZ classes and spatial characteristics of BGI in cities.…”

Section: Introductionmentioning

confidence: 99%

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Comparison of Ecohydrological and Climatological Zoning of the Cities: Case Study of the City of Pilsen

Kopp

Frajer

Novotná

et al. 2021

IJGI

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Standardized delimiting of local climate zones (LCZ) will be better applicable to the urban adaptation to climate change when the ecohydrological properties of LCZ units are known. Therefore, the properties of LCZ units based on the methodology of ecohydrological zoning of the urban landscape, which was created in GIS as a basis for planning blue-green infrastructure of cities in the Czech Republic, are presented in the paper. The goal of this study is to compare approaches and results of our own ecohydrological zonation and standardized LCZ delimiting in the city of Pilsen. Both methodological approaches differ in input data, resolution details and parameters used. The results showed that the areas of the individual LCZ classes show different levels of ecohydrological qualities. Internal heterogeneity of LCZ classes demonstrated by variance of ecohydrological parameters’ values can be partly explained by different techniques and data sources for delimitation of both zonations, but by different sets of delimitation criteria. The discussion is held on the importance of terrain slope for supplementing the LCZ classification. A case study can be a stimulus for further development of holistic urban zoning methodologies that would take into account both climatological and ecohydrological conditions.

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Section: Introductionsupporting

confidence: 55%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Comparison of Ecohydrological and Climatological Zoning of the Cities: Case Study of the City of Pilsen

Kopp

Frajer

Novotná

et al. 2021

IJGI

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“…The field experiment was incited by previous studies analysing temperature characteristics in the urban environment of Olomouc Lehnert et al, 2018;Lehnert et al, 2020) and pedological research in the area (e.g. Chmelová & Šarapatka, 2002).…”

Section: Discussionmentioning

confidence: 99%

Spatial variability of soil temperature in an urban area: A case study for a medium-sized European city

Lehnert¹,

Šimáček²,

Fiedor³

et al. 2021

Geographica Pannonica

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Even though soil temperature in urban environment influences a range of processes, it has been studied rather sparsely in comparison with surface temperature or air temperature. Our research extends the soil temperature observation in Olomouc (Czechia) and uses semi-stationary measurement to describe detailed spatial variability of soil temperature in the area of a medium-sized Central European city. Differences in soil temperature 20 cm below grass-covered surface may exceed 3°C due to soil type, shadow cast by buildings and grass characteristics, which means that the representativeness of the data on soil temperature from a meteorological station within a city may be limited. Further research and a conceptual approach towards the study of soil temperature in urban landscape is needed.

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“…The UTCI is defined as the air temperature of reference environment that would provide the same physiological response of a reference person as the actual environment (Błażejczyk et al, 2012;Jendritzky et al, 2012). The UTCI has been commonly applied in biometeorological research related to various spatial and temporal scales in different regions, e.g., in Europe as a whole (Błażejczyk et al, 2015a;Di Napoli et al, 2018), Germany (Matzarakis et al, 2014), Czech Republic (Novak, 2013;Urban & Kyselý, 2014;Lehnert et al 2020), Italy (Petralli et al, 2020), Russia (Vinogradova, 2020), Canada (Provençal et al, 2016), Brazil (Bröde et al, 2013;Krüger et al 2020), China (Ge et al, 2017). The first results of a new micrometeorological model with a biometeorology module to calculate UTCI (Fröhlich & Matzarakis, 2020) were recently presented by Geletič et al (2021).…”

Section: Introductionmentioning

confidence: 99%

The influence of air temperature diversity in Central Europe on the occurrence of very strong and extreme cold stress in Poland in winter months

Owczarek¹

2021

Geogr. Pol.

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The aim of this research was to illustrate the relationship between the occurrence of very strong and extreme cold stress among human beings under the Universal Thermal Climate Index (UTCI) across Poland and largescale near-surface air temperature over the central part of Europe. The statistical downscaling procedure of canonical correlation analysis (CCA) with respect to the period between 1971 and 2000 was applied to extract the main modes of large-scale factors and their local responses. The greatest frequency of occurrence of the discussed cold stress exceeded 35% in January. Most of the variance (39-44%) of the local field in each winter month is explained by the first coupled canonical maps. T he main patterns of large-scale field show negative anomalies of monthly mean air temperature in central Europe from -1°C up to -3°C. It can indicate an increase in frequency of the occurrence of analysed cold stress categories throughout the entire area of Poland, by 2% to even over 10%, depending on the region. The best quality model was obtained in eastern Poland, especially in the north-east and south-west of Poland.

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Summer thermal comfort in Czech cities: measured effects of blue and green features in city centres

Cited by 47 publications

References 68 publications

Comparison of Ecohydrological and Climatological Zoning of the Cities: Case Study of the City of Pilsen

Comparison of Ecohydrological and Climatological Zoning of the Cities: Case Study of the City of Pilsen

Spatial variability of soil temperature in an urban area: A case study for a medium-sized European city

The influence of air temperature diversity in Central Europe on the occurrence of very strong and extreme cold stress in Poland in winter months

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