The 580-Year Cycle of Lunar and Solar Eclipses as an Indicator of Climatic Oscillations for the Same Period

Sidorenkov, N. S.; Sidorenkov, P. N.

doi:10.1134/s0001433821080077

Cited by 4 publications

(3 citation statements)

References 8 publications

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“…Modern climate warming is most noticeably manifested in winter, and not in summer, when solar radiation and the underlying surface have a strong influence on the air temperature regime [15,17,18]. This fact further confirms the anthropogenic nature of the warming observed in Kazan since the late 1940s.…”

Section: The Beginning Of the Anthropocene In The Middle Volga Regionmentioning

confidence: 65%

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Air Temperature Change at the End of the Late Holocene and in the Anthropocene in the Middle Volga Region, European Russia

Perevedentsev,

Shantalinsky,

Gusarov

et al. 2023

Quaternary

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The temporal variability of air temperature in the Middle Volga region from 1828 to 2021 is considered according to instrumental observations at the oldest meteorological station in the east of the East European Plain (Kazan University) and throughout the Asian part of Russia against the background of long-term climate fluctuations in the Northern Hemisphere of Earth. A general trend toward an increase in air temperature was revealed. It was found that climate change in Kazan was consistent with the climatic processes that occurred in the Middle Volga region as a whole. The greatest warming for the entire observation period was observed in the winter and spring seasons of the year. In December, warming occurred at a maximum rate of 0.28 °C/10 years. At the same time, the most intense warming process was observed from 1991 to 2021. The analysis of low-frequency fluctuations in the series of monthly average air temperatures made it possible to identify different periods of change, both in type (direction) and intensity. It is shown that in the Middle Volga region, positive anomalies of air temperature have occurred more often than negative ones in recent decades. Statistical data processing was also carried out for 30-year periods, starting from the first period, i.e., 1841–1870. This made it possible to reveal long-term changes in air temperature. Comparisons of climatic parameters in two periods, i.e., 1828–1945 and 1946–2021, allowed us to reliably detect the climatic beginning of the increasingly identifiable Anthropocene epoch (since 1946), characterized by a sharp increase in air temperature, increased interannual variability of the air temperature regime, and a significant increase (by about three times) in the rate of warming in the Middle Volga region. A correlation was made between atmospheric circulation indices and air temperature fluctuations in Kazan over different periods. The closest relationship was found for the 1990–2020 period. It is shown that the contribution of global factors to air temperature variability in the Middle Volga region during the Anthropocene reached 37% in winter and 32% in summer; in annual terms, this contribution amounted to 54%.

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Section: The Beginning Of the Anthropocene In The Middle Volga Regionmentioning

confidence: 65%

“…This warming was more noticeable in winter and spring: the trends were 4.7 • C/100 years and 2.9 • C/100 years, respectively. A 54-year cycle of the winter season was revealed in European Russia, manifested in the extremely cold winters of 1996, 1942, 1888, 1834, 1780, and 1726 [18].…”

Section: Introductionmentioning

confidence: 99%

Air Temperature Change at the End of the Late Holocene and in the Anthropocene in the Middle Volga Region, European Russia

Perevedentsev,

Shantalinsky,

Gusarov

et al. 2023

Quaternary

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“…Some scholars believe that drought period may be connected with the typical periodic change of solar activity in the short term and the influence of solar activity on surface precipitation and temperature. Some scholars also believe that it is because of the periodic changes of meteorological factors, such as the El Niño phenomenon (Mohamed & El‐Mahdy, 2021), solar eclipse (Sidorenkov & Sidorenkov, 2022) or El Niño phenomenon (Jimenez‐Munoz et al, 2016). It is unanticipated that intensified drought would affect the whole growing season in our study, which can sharply weaken the ecological service function of grassland ecosystems (Huang et al, 2021; Liu et al, 2021).…”

Section: Discussionmentioning

confidence: 99%

Higher atmospheric evapotranspiration demand intensified drought in semi‐arid sandy lands, northern China

Liu

et al. 2023

Intl Journal of Climatology

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Drought seriously endangers the development of agro‐pastoral ecotone in arid and semi‐arid regions. However, drought evolution characteristics of semi‐arid sandy grassland and its drivers are not well understood in the complex climate change context. Thus, in this paper, the revised standardized precipitation evaporation indices on one‐month (SPEI‐1) and growing‐season (SPEI‐6) scale, flash drought and dry spells (DS) were calculated as drought indicators, and the temporal variabilities and meteorological drivers of drought in Horqin Sandy Land during the growing period (April–September) from 2007 to 2021 were studied. The results showed that SPEI‐1 and SPEI‐6 exhibited negative trends and periodic change. This drought aggravation was manifested in increased grades and numbers of drought months. Flash droughts can occur every month during the growing season. And its occurrence was not only positively correlated with all drought events in frequency but also synchronized in time. The increased number of DS showed an asymmetrical shift towards 7‐day‐and‐longer DS. SPEI sensitivity to precipitation (P) was noticeably higher than to atmospheric evapotranspiration demand (AED) at both monthly and growing season scales. SPEI sensitivity to AED was modulated by P amounts, which was higher during low P period. Apart from the amounts of P and AED, their temporal variability also strongly determined how they affect the drought severity. P was also the main driver for flash drought and long DS, but AED with larger amount and higher variability is the reason for their aggravation. Our results demonstrate the complexity of drought intensification in semi‐arid sandy grasslands and highlight the important role of AED anomalies in it.

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Change in the Irradiation of the Earth during the Phase of Decreasing Tilt of Its Rotation Axis

Fedorov

Frolov

2022

Izv. Atmos. Ocean. Phys.

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The 580-Year Cycle of Lunar and Solar Eclipses as an Indicator of Climatic Oscillations for the Same Period

Cited by 4 publications

References 8 publications

Air Temperature Change at the End of the Late Holocene and in the Anthropocene in the Middle Volga Region, European Russia

Air Temperature Change at the End of the Late Holocene and in the Anthropocene in the Middle Volga Region, European Russia

Higher atmospheric evapotranspiration demand intensified drought in semi‐arid sandy lands, northern China

Change in the Irradiation of the Earth during the Phase of Decreasing Tilt of Its Rotation Axis

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