Introduction: The Regional Order in the Gulf Region and the Middle East

Much has been written about the relationship between Iran and the Gulf states. This relationship, while extremely complex, historic as well as deep rooted, needs to be revisited, especially in the light of the growing discords. This article investigates the contest over the balance of power in the Middle East which is impacted by state interests, foreign policy, ideology, sectarianism, and geography. There are three questions that need to be asked: (a) What role does Iran play in the Gulf region? (b) What is its relationship with the Gulf Cooperation Council (GCC)? and (c) Is there room for the two regional powers (Iran and Saudi Arabia) in the Gulf region? Iran’s role in the Middle East has expanded exponentially by both diplomatic means as well as by proxy and direct interventions. It has become apparent that while once Saudi Arabia controlled the GCC, due to recent events, the regional group has become trivialized. As Saudi Arabia and Iran vie for power, the Gulf is tension-filled and fraught with the possibility of misperceptions and miscalculations.

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Contrasting variation in aerosol optical properties during dust episodes in the Middle East and Southwest Asia: Model results and ground measurement

E3S Web of Conferences ◽

10.1051/e3sconf/20199904006 ◽

2019 ◽

Vol 99 ◽

pp. 04006

Author(s):

Khan Alam ◽

Maqbool Ahmad

Keyword(s):

Middle East ◽

Radiative Forcing ◽

Single Scattering ◽

Dust Storms ◽

Radiative Properties ◽

Southwest Asia ◽

Gulf Region ◽

Aerosol Radiative Forcing ◽

Moderate Resolution Imaging Spectroradiometer ◽

Using Data

Dust storms deteriorated air quality over the Gulf Region, Iraq, Iran, and Pakistan during the last decade. The purpose of this study is to investigate the changes in aerosol optical and radiative properties during a dust episode over the various locations in the Middle East and Southwest Asia using data from the MODerate resolution Imaging Spectroradiometer (MODIS) and the Aerosol Robotic Network (AERONET) during March, 2012. Maximum aerosol optical depth (AOD) values were found to be 2.18, 1.30, 4.33 and 1.80 over Lahore, Kanpur, Kaust, and Mezaira, respectively. The Volume Size Distributions, Single Scattering Albedo, Refractive Index, and Asymmetry parameter indicated that coarse mode aerosols were predominant relative to fine mode aerosols during the dust event. The average shortwave aerosol radiative forcing (ARF) values at the earth’s surface were found to be -96±45 W m-2, -86±22 W m-2, -77±51 W m-2, and -75±40 W m-2, over Lahore, Kanpur, Kaust and Mezaira, respectively. Likewise, the averaged ARF values over Lahore, Kanpur, Kaust and Mezaira at the top of the atmosphere (TOA) were found to be -45±25 W m-2, -27±9 W m-2, -41±29 W m-2, and -75±40 W m-2, respectively. The large differences between surface and TOA forcing produced significant heating within the atmosphere.

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