Urban climate and day of the week

Lawrence, E. N.

doi:10.1016/0004-6981(71)90152-1

Cited by 16 publications

(8 citation statements)

References 24 publications

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“…The short period of record however precluded any conclusions. Lawrence [19] demonstrated that the weekly pattern observed in the Teddington summer rainfall data was due chiefly to light winds (0-5 kt) during May to July. Nicholson [21 ] showed that from 11 years of Teddington data (1954)(1955)(1956)(1957)(1958)(1959)(1960)(1961)(1962)(1963)(1964)) that the Thursday maximum only appeared in the summer months (April-September).…”

Section: Relevant Studiesmentioning

confidence: 96%

“…Norgate [23] has found that in 20 years of record at Norwich, Thursday was seen to be the driest day with most rain falling on Sundays. The periods of occurrence of light winds may be important in determining weekly cycles [19 ]. He also showed that the difference between maxima temperature in central London and a rural station 70 miles distant showed a clear DOW dependence during May to July, with the excess being smallest on Thursday and greatest on Sunday, the difference becoming less marked during stronger winds.…”

Section: Relevant Studiesmentioning

confidence: 96%

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Day-of-the week variation of rainfall and maximum temperature in Melbourne, Australia

Simmonds

Kaval

1986

Arch. Met. Geoph. Biocl., Ser. B

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We have examined the day-of-the-week variation of rainfall and maximum temperature using 26 years of record at Melbourne, Australia. The summer and winter half-years were considered separately. Analysis of variance revealed no significant differences between the days. However, in the winter season, precipitation shows a monotonic increase from Sunday to a maximum on Thursday, while maximum temperature shows a monotonic decrease from Monday to a Saturday minimum. Winter weekday precipitation is significantly (at the 5% level) greater than weekend precipitation, the reason for which seems to be atmospheric pollution. The out-of-phase relationship between precipitation and maximum temperature in winter appears to be due to the increased cloud cover associated with rainfall events. Our results suggest that the pollution level has little effect on the maximum temperature.

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Section: Relevant Studiesmentioning

confidence: 96%

Section: Relevant Studiesmentioning

confidence: 96%

Day-of-the week variation of rainfall and maximum temperature in Melbourne, Australia

Simmonds

Kaval

1986

Arch. Met. Geoph. Biocl., Ser. B

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“…Ashworth, 1929) and an increased activity during the 50's and 60's of the 20th century (e.g. see review in Lawrence, 1971;Kanda, 2007) was observed. These previous studies focused on the impact of human activities near the major sources of heat and air pollution emissions, which are mainly concentrated in urban, semi-urban and industrial areas.…”

Section: A Sanchez-lorenzo Et Al: Assessing Large-scale Weekly Cyclmentioning

confidence: 99%

Assessing large-scale weekly cycles in meteorological variables: a review

Sánchez-Lorenzo¹,

Laux

Franssen³

et al. 2012

Atmos. Chem. Phys.

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Abstract. Several studies have claimed to have found significant weekly cycles of meteorological variables appearing over large domains, which can hardly be related to urban effects exclusively. Nevertheless, there is still an ongoing scientific debate whether these large-scale weekly cycles exist or not, and some other studies fail to reproduce them with statistical significance. In addition to the lack of the positive proof for the existence of these cycles, their possible physical explanations have been controversially discussed during the last years. In this work we review the main results about this topic published during the recent two decades, including a summary of the existence or non-existence of significant weekly weather cycles across different regions of the world, mainly over the US, Europe and Asia. In addition, some shortcomings of common statistical methods for analyzing weekly cycles are listed. Finally, a brief summary of supposed causes of the weekly cycles, focusing on the aerosol-cloud-radiation interactions and their impact on meteorological variables as a result of the weekly cycles of anthropogenic activities, and possible directions for future research, is presented.

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“…Some researchers have remarked on temperature differences among weekdays, (Lawrence, 1971;Simmonds and Kaval, 1986). It is indeed our experience that traffic jams occur more frequently on Fridays and on days with zero or five at the first digit of date.…”

Section: Differences Among Weekdaysmentioning

confidence: 99%

“…Differences of temperature between weekdays and Sundays have been found for several cities in the world (Mitchell, 1953;Landsberg andBrush, 1980 (cited from Landsberg, 1981); Lawrence, 1971;Simmonds and Kaval,1986), although their signs and magnitudes ©1987, Meteorological Society of Japan differ according to cities and occasions.…”

Section: Introductionmentioning

confidence: 99%

Weekday-weekend Differences of Urban Climates

Fujibe¹

1987

Journal of the Meteorological Society of Japan

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Weekday-weekend differences of air temperature and other meteorological parameters in the central part of Tokyo are described on the basis of data for 25 years. Temperature is lower on Sundays than on weekdays by about 0.2* in the daytime and about 0.1* in the nighttime on the 25-year average. The magnitude of the weekday-weekend temperature difference depends on seasons and meteorological conditions, and has increased during the 25 years. In recent years temperature is lower also on Saturday evening.In the daytime of Sundays pressure is higher by about 0.05mb than on weekdays. This fact indicates that the weekday-Sunday difference of temperature occurs over a depth of several hundred meters above the surface. In the nighttime no pressure difference is found between weekdays and Sundays, hence the temperature difference is likely to be confined in a layer much shallower than in the daytime.Weekday-weekend differences are also found for wind speed, relative humidity, and solar radiation.

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Urban climate and day of the week

Cited by 16 publications

References 24 publications

Day-of-the week variation of rainfall and maximum temperature in Melbourne, Australia

Day-of-the week variation of rainfall and maximum temperature in Melbourne, Australia

Assessing large-scale weekly cycles in meteorological variables: a review

Weekday-weekend Differences of Urban Climates

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