Large-scale modes impact on Iraq climate variability

Al-Khalidi, Jasim; Dima, Mihai; Ștefan, Sabina

doi:10.1007/s00704-017-2180-z

Cited by 7 publications

(5 citation statements)

References 40 publications

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“…The same period is also consistent with the average global temperature trend (Muslih and Błażejczyk, 2017). The indirect relations between ENSO index and precipitation and temperature over Iraq have been examined by Al-Khalidi et al (2018). The study pointed that the precipitation and temperature variability during winter and spring are strong linked with ENSO.…”

Section: Link Between Enso and Dust Storms In Iraqsupporting

confidence: 53%

“…Recent studies on teleconnection pattern, which were carried out in the Middle East region, including Iraq, have shown that the climate condition in the Middle East region is highly sensitive to any changes or fluctuations in ENSO index (Alpert et al, 2005;Price et al,1998;Al-Khalidi et al, 2018;Pu and Ginoux, 2016). This section of the research is devoted to analyzing the direct relationship between ENSO and dust storms over Iraq.…”

Section: Link Between Enso and Dust Storms In Iraqmentioning

confidence: 99%

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Analysis of Correlation and Coupling between El Niño-Southern Oscillation and Dust Storms in Iraq from 1971 to 2016

Al-Qadi

Muslih

Shiltagh

2021

IGJ

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This study's main objective is to examine the impact of the El Niño-Southern Oscillation on dust storms in Iraq and trying to find a reasonable synoptic explanation of this relationship. In order to achieve our goal, various data collections related to dust storm days from eight stations in Iraq and the El Niño-Southern Oscillation data over the period 1971–2016 were analyzed. The results showed a negative relationship between dust storms and the El Niño-Southern Oscillation. This correlation means high dust storms are associated with La Niña, while the low dust storms occur during the El Niño event. The coupling between the tropical pacific sector and dust storms in Iraq is perhaps related to the El Niño-Southern Oscillation variations and how they can contribute to the change of the main pressure system values that mainly participate in triggering dust storms and their intensity. The subtropical high-pressure and the Indian monsoon low-pressure systems have been recognized as the responsible pressure systems for dust storms formation.

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Section: Link Between Enso and Dust Storms In Iraqsupporting

confidence: 53%

Section: Link Between Enso and Dust Storms In Iraqmentioning

confidence: 99%

Analysis of Correlation and Coupling between El Niño-Southern Oscillation and Dust Storms in Iraq from 1971 to 2016

Al-Qadi

Muslih

Shiltagh

2021

IGJ

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“…Iraq's unique location is on the Asian continent, west of Asia and northeast of the Arabian Peninsula which covers an area extended (27.5°-38.5°N, 38°-49.25°E). Iraq is geographically the Tigris and Euphrates alluvial plains in the center and southeast of Iraq; the mountains to the north and northeast; the upland region to the north of the rivers; and the desert to the west and south [23]. Iraq is bounded by the Zagros Mountains to the east and the Arabian Peninsula desert to the south, the primary source of large dust storms.…”

Section: Study Areamentioning

confidence: 99%

Effect of Accumulated Rainfall on Aerosols’ Physical Properties Over Iraq

Hussien,

Al-Salihi,

Mohammed

2024

IOP Conf. Ser.: Earth Environ. Sci.

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Aerosols and rainfall have a significant role in atmospheric physical processes since they affect both the absorption and scattering of solar radiation and the composition of precipitation. Ultimately, this impacts the balance of radiation and water in the atmosphere. This study aims to clarify or understand the relationship between aerosols and rainfall accumulation in northern, central, and southern Iraq, where the annual and monthly mean values of aerosols index, Aerosol Optical Depth, Aerosol Angstrom Exponent, and the total rainfall. For the period from 2014 to 2023. The results showed considerable variation in aerosol index, and aerosol Optical Depth across different time and spatial scales, with higher amounts observed in southern Iraq, while northern of Iraq had lower values. the monthly mean value of the aerosol index was highest from March to June and found that the average monthly aerosol index value above Iraq from 1.19 ± 0.18 to 1.73 ± 0.18. The minimum values of aerosols index for the period from July to October. the average monthly Aerosol Angstrom Exponent values in Iraq increased from January to April then in November, and December, and decreased from May to August the monthly average values of Aerosol Angstrom Exponent varied from 0.29 ± 0.28 to 1.17 ± 0.28. During the study period, the aerosol index and aerosol Optical Depth had Reverse behavior with Aerosol Angstrom Exponent and accumulative rainfall. The results obtained in this study help us to understand the nature of the climate in Iraq and assist in future weather forecasts.

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“…Alkhalidi et al [11] found that the changes of ENSO circulation are warming the Indian Ocean and causing an effect on surrounding area including Iraq. In summer, the northern Shamal winds are fairly continuous from early June into July, but variations in the winds are dependent on the Indian and Arabian thermal laws [12].…”

Section: Introductionmentioning

confidence: 99%

North Atlantic and Indian Ocean links with Iraq Climate

et al. 2017

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We investigate the connections of the North Atlantic and Indian Ocean sectors with Iraq winter/summer temperature and precipitation. Canonical Correlation Analyses (CCAs) are performed in order to identify potential links between Iraq climate and the atmospheric circulation over these two regions. Regression maps of 200 hPa and 500 hPa geopotential height and sea level pressure fields on the time series derived through CCAs are constructed in order to infer the physical mechanisms connecting the North Atlantic and Indian Ocean regions with Iraq climate. The winter temperature in this country is linked with the North Atlantic Scandinavian pattern, whereas the winter precipitation is associated with the North Atlantic Oscillation. In the free atmosphere, the connection with Iraq temperature is provided by Rossby waves, while the winter precipitation is linked to a more zonal structure. At surface, the air advection is a relevant mechanism through which North Atlantic modes appear to affect Iraq climate.

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Large-scale modes impact on Iraq climate variability

Cited by 7 publications

References 40 publications

Analysis of Correlation and Coupling between El Niño-Southern Oscillation and Dust Storms in Iraq from 1971 to 2016

Analysis of Correlation and Coupling between El Niño-Southern Oscillation and Dust Storms in Iraq from 1971 to 2016

Effect of Accumulated Rainfall on Aerosols’ Physical Properties Over Iraq

North Atlantic and Indian Ocean links with Iraq Climate

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