… Spatial Variations Although the temporal variations in traffic flows were fairly straightforward
to model, the same does not apply for spatial variations. For example, although traffic in the …

… in winter as compared to summer in all urban areas at a significance level p < 0.05. …
Significant quantitative and qualitative differences for particle mass across the four urban areas in …

… in urban areas. For such an approach two aspects are important: the temporal correlation and
the spatial variation … at different sites in an urban area. Whereas many studies have shown …

… The purpose of this paper is to comprehensively explore the spatial-temporal variations
of PM 2.5 and relationships between PM 2.5 and meteorological factors in Nanjing, using …

… and water qualities of the rural with the urban areas. Thus, the objectives of this … –temporal
variations at main and tributaries, to compare main river with its tributaries, urban areas with …

… Similarly to our findings, many studies performed in urban areas report relatively low spatial
variation of the PM 2.5 . The low spatial variation is associated with high temporal variation (…

… variation, as well as a spatial variation within the area. By contrast, both the spatial and temporal
variation of … We have analysed the evolution of urban PM concentrations in terms of the …

… The locations of air quality monitoring stations in the urban area of Tehran whose records …
The main aim of the present study is to present the analyses of the temporal variations of …

… Spatial-temporal variation and source apportionment of soil heavy metals in Peri-Urban
Area: A case study of Zhetang Town, Nanjing[J]. Acta Pedologica Sinica, 2014, 51(5) 1066-1077…

… heat island (UHI), the UHI is mainly caused by the anthropogenic land surface modifications,
eg urban areas present higher heat concentration given that buildings absorb, retain and …