References

gesj

GEOGRAPHY, ENVIRONMENT, SUSTAINABILITY

2071-93882542-1565

Russian Geographical Society

10.24057/2071-9388-2026-4063

gesj-4623

Research Article

RESEARCH PAPER

Статьи

Variation of Aerosol Properties Based on Satellite Data Over the Study Area of Lhaaso

Masood

Andleeb

Andleeb Masood

Chengdu, 611756

andleebmasood238@gmail.com

Zhu

Fengrong

Fengrong. Zhu

Chengdu, 611756

Sa’adi

Zulfaqar

Zulfaqar Sa’adi

UTM Skudai, Johor Bahru, 81310

Ullah

Irfan

Irfan Ullah

Nanjing, Jiangsu, 21009

Md. Abdullah Al Hridoy

Mamun

Md. Abdullah Al Mamun Hridoy - Department of Fish Biology and Genetics, Faculty of Fisheries

Sylhet-3100

Huan-Yu

Jia

Chengdu, 611756

School of Physical Science and Technology, Southwest Jiaotong UniversityChina

Centre for Environmental Sustainability and Water Security, Research Institute for Sustainable Environment, Universiti Teknologi MalaysiaMalaysia

College of Hydrology and Water Resources, Hohai UniversityChina

Sylhet Agricultural UniversityBangladesh

2026

31032026

191115129

2026

Masood A., Zhu F., Sa’adi Z., Ullah I., Md. Abdullah Al Hridoy M., Huan-Yu J.

This work is licensed under a Creative Commons Attribution 4.0 License.

https://ges.rgo.ru/jour/article/view/4623

Atmospheric aerosols play a crucial role in modulating Earth’s radiation balance and climate systems, yet they remain a major source of uncertainty in climate modeling. This study aims to characterize aerosol dynamics over the Large High Altitude Air Shower Observatory (LHAASO; 29.36° N, 100.14° E; ~4,410 m above sea level) region by analyzing satellite-based measurements of Aerosol Optical Depth (AOD), Aerosol Index (AI), Single Scattering Albedo (SSA), and Extinction Coefficient (EC) from Moderate Resolution Imaging Spectroradiometer (MODIS), Sentinel-5P, CALIPSO, OMI, and MERRA-2 Reanalysis for the period 2017–2023. The mean AOD peaked at 0.24 ± 0.02, primarily due to long-range dust transport from the Taklamakan and Gobi deserts. The AI varied between 0.68 and 1.26 (standard deviation SD = 0.31 ± 0.26), indicating moderate to significant aerosol activity, particularly during dust events. Aerosol mass concentration (MC) ranged from 4.14 to 31.07 µg/m³ with a SD of 0.67 ± 8.14, reflecting influences from dust transport, meteorological conditions, and local emissions. The EC generally decreased with altitude, consistent with reduced aerosol concentrations and particle sizes. These findings advance our understanding of aerosol behavior in complex terrain and provide essential perspectives for improving climate projections and radiative forcing assessments.

Aerosol indexAODExtinction coefficientSatellite remote sensing

This work was supported by the National Key R&D Program of China (2021YFA0718403) and the National Natural Science Foundation of China for International Scientists under Grant No. 42350410438. We acknowledge the NASA Langley Research Center Atmospheric Sciences Data Center

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The authors declare that there are no conflicts of interest present.