On Running Means and Meteorological Cycles

Burroughs, William James

doi:10.1002/j.1477-8696.1978.tb04645.x

Cited by 37 publications

(10 citation statements)

References 4 publications

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“…This running mean is superior to an unweighted running mean because it smooths more effectively and does not result in phase inversion, which may occur by using an un-weighted running mean (Burroughs 1978).…”

Section: Trend Analysismentioning

confidence: 96%

Spatial and seasonal variations of sea level in the Red Sea, 1958–2001

2009

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The present study investigated the variability of monthly mean sea level data and discussed its relation with climatic events in the Red Sea during 1958-2001. The data were obtained from Simple Ocean Data Assimilation (SODA), for three different locations (north, central and south) in the Red Sea. Spatial and temporal variability as well as trends and periodicity of sea level time series records in the three locations was investigated using One-way ANOVA test, weighted running mean filter and autocorrelation spectral analysis. Results revealed that mean sea level in the northern Red Sea was permanently lower than its central and southern parts. Moreover, the mean sea level during winter and spring in the three locations was significantly higher than summer and autumn seasons. Increasing and decreasing of sea level trends with respect to time were also observed. Inter-decadal variations in sea level including a fairly regular quasi 2.5-2.7 year oscillation in all seasons were detected, although its amplitude varied among different cycles. Studying the cyclicity in the hydroclimatic record can resolve some of the complexities of the hydroclimate system. The sign of Quasi Biennial Oscillation, El Niño Southern Oscillation and sunspots events may have an important influence in sea level variations of the Red Sea.

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Section: Trend Analysismentioning

confidence: 96%

Spatial and seasonal variations of sea level in the Red Sea, 1958–2001

2009

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“…These monthly and annual rainfall totals allowed the most complete analysis of the spatial and temporal coherence of rainfall gauge records ever performed. Homogeneity of rainfall data was secured by applying the non-runs test to annual values of two periods for each station (at the 95% level of significance) (Burroughs 1978).…”

Section: Data Usedmentioning

confidence: 99%

The changing rainfall regime in Greece and its impact on climatological means

Pnevmatikos

Katsoulis

2006

Meteorological Applications

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(the latest global standard normal period) and from the periods 1900-49 ('old' regime) and 1950-99 ('new' regime), as well as examination of the secular trend, shows that there is evidence that some parts of Greece have had shifts in their rainfall regime towards drier conditions. In general, rainfall amounts began to decline in the 1980s, a trend which has continued to the present. Most years between 1980 and 1999 experienced below to well-below 'normal' rainfall. Discrepancies between the 'old' and 'new' mean values

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“…This running mean is superior to an unweighted running mean, in that it smoothes more effectively and it does not result in phase inversion, which may occur in case of an unweighted running mean (Burroughs, 1978). To save space, the term 'running mean' in the following text means this triangularly weighted running mean.…”

Section: Data and Analysis Proceduresmentioning

confidence: 99%

Seasonal and secular variations of sunshine duration and natural seasons in Japan

Inoue

Matsumoto

2003

Intl Journal of Climatology

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Seasonal transitions of sunshine duration and their secular changes in Japan are investigated for the period 1951-2000, and the influence of climatic variations on seasonal weather tendencies is discussed. Two seasons with little sunshine in the Baiu and the Akisame seasons are recognized in central and western Japan (CW Japan). In northern Japan, however, only one season with little sunshine in summer is seen. Another season with little sunshine is recognized for the Sea of Japan side and the Southwest Islands during the winter monsoon season.The sunshine duration from spring to autumn in northern Japan decreased in the late 1980s and the 1990s, and the period of little sunshine in summer has become longer since the mid 1980s. In CW Japan, sunshine in late spring in the 1950s and the early 1960s was less than that in other years. A rapid increase in sunshine duration which corresponds with the end of the Baiu rainy season has been delayed since 1980. The period in midsummer with little sunshine has also appeared more frequently than it did before 1980. In the Southwest Islands, sunshine duration has been decreasing almost all through the year. When comparing the differences between the Sea of Japan side and the Pacific Ocean side in winter, the sunshine contrast between them has intensified recently.By using sunshine duration, an objective classification of six natural seasons in CW Japan is conducted. Then, the long-term change of seasonal march in CW Japan is investigated. The end dates of the Baiu season after 1980 have been delayed by about 5 days compared with those before 1980. From the viewpoint of sunshine contrasts between the Sea of Japan side and the Pacific Ocean side, the winter monsoon season in Japan has become longer in recent years, even under the warming trend of winter temperature.

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On Running Means and Meteorological Cycles

Cited by 37 publications

References 4 publications

Spatial and seasonal variations of sea level in the Red Sea, 1958–2001

Spatial and seasonal variations of sea level in the Red Sea, 1958–2001

The changing rainfall regime in Greece and its impact on climatological means

Seasonal and secular variations of sunshine duration and natural seasons in Japan

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