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Aerosols play a critical role in atmospheric chemistry, and affect clouds, climate, and human health. However, the spatial coverage of satellite-derived aerosol optical depth (AOD) products is limited by cloud cover, orbit patterns, polar…

Aerosol Optical Depth (AOD) retrieval is essential for Earth observation, supporting applications from air quality monitoring to climate studies. Conventional physics-based AOD retrieval methods formulate the problem as a pixel-wise…

Computer Vision and Pattern Recognition · Computer Science 2026-05-04 Zahid Hassan Tushar , Sanjay Purushotham

We propose a new method to retrieve the optical depth of Martian aerosols (AOD) from OMEGA and CRISM hyperspectral imagery at a reference wavelength of 1 {\mu}m. Our method works even if the underlying surface is completely made of…

Earth and Planetary Astrophysics · Physics 2015-06-12 S. Douté , X. Ceamanos , T. Appéré

A comparison of modeled and observed Aerosol Optical Depth (AOD) is presented. 3D Eulerian multiphase chemistry-transport model TCAM is employed for simulating AOD at mesoscale. MODIS satellite sensor and AERONET photometer AOD are used for…

Atmospheric and Oceanic Physics · Physics 2011-07-15 C. Carnevale , G. Mannarini , E. Pisoni , M. Volta

Accurate estimation of Aerosol Optical Depth (AOD) is crucial for understanding climate change and its impacts on public health, as aerosols are a measure of air quality conditions. AOD is usually retrieved from satellite imagery at coarse…

Applications · Statistics 2025-11-11 Fernando Rodriguez Avellaneda , Paula Moraga

In this paper, we propose a novel data-driven regression model for aerosol optical depth (AOD) retrieval. First, we adopt a low rank representation (LRR) model to learn a powerful representation of the spectral response. Then, graph…

Machine Learning · Computer Science 2016-11-23 Yubao Sun , Renlong Hang , Qingshan Liu , Fuping Zhu , Hucheng Pei

One of the techniques for estimating the surface particle concentration with a diameter of fewer than 2.5 micrometers (PM2.5) is using aerosol optical depth (AOD) products. Different AOD products are retrieved from various satellite…

Computer Vision and Pattern Recognition · Computer Science 2023-02-22 Ali Mirzaei , Hossein Bagheri , Mehran Sattari

Atmospheric turbidity is one of the key factors influencing the propagation of artificial light into the environment during cloudless nights. High aerosol loading can reduce the visibility of astronomical objects, and thus information on…

Instrumentation and Methods for Astrophysics · Physics 2023-06-13 Miroslav Kocifaj , František Kundracik , John Barentine

Aerosol-cloud interactions constitute the largest source of uncertainty in assessments of the anthropogenic climate change. This uncertainty arises in part from the difficulty in measuring the vertical distributions of aerosols, and only…

Atmospheric and Oceanic Physics · Physics 2022-05-24 Shahine Bouabid , Duncan Watson-Parris , Sofija Stefanović , Athanasios Nenes , Dino Sejdinovic

Satellite aerosol products have been widely used to retrieve ground PM2.5 concentration because of its wide coverage and continuously spatial distribution. While more and more studies focus on the retrieval algorithm, we find that the…

Geophysics · Physics 2018-08-20 Qianqian Yang , Qiangqiang Yuan , Linwei Yue , Tongwen Li , Huanfeng Shen , Liangpei Zhang

High-quality reconstruction of Aerosol Optical Depth (AOD) fields is critical for Atmosphere monitoring, yet current models remain constrained by the scarcity of complete training data and a lack of uncertainty quantification.To address…

Machine Learning · Computer Science 2026-01-01 Linhao Fan , Hongqiang Fang , Jingyang Dai , Yong Jiang , Qixing Zhang

Continuous aerosol monitoring in East Asia is essential due to the massive aerosol emissions from natural and anthropogenic sources. Geostationary satellites enable continuous aerosol monitoring; however, the observation is limited to the…

Atmospheric and Oceanic Physics · Physics 2024-05-24 Sanghyeon Song , Yoojin Kang , Jungho Im

Aerosol optical characteristics AOD and \AA ngstr\"om exponent is often used to asses environmental aerosol loading. AOD or Aerosol Optical Depth is an indirect measure of atmospheric aerosol loading by means of total extinction of incoming…

Atmospheric and Oceanic Physics · Physics 2014-03-31 Subhasis Banerjee , Sanjay K. Ghosh

This study presents an extended analysis of aerosol optical depth at 501 nm (AOD) in the Alpine valley of Innsbruck, Austria, from 2007 to 2023, and offers a comparative analysis with the Alpine station of Davos, Switzerland. AOD is derived…

Atmospheric and Oceanic Physics · Physics 2024-01-01 Jochen Wagner , Alma Anna Ubele , Verena Schenzinger , Axel Kreuter

Atmospheric aerosols have a major influence on the earths climate and public health. Hence, studying their properties and recovering them from light scattering measurements is of great importance. State of the art retrieval methods such as…

Atmospheric and Oceanic Physics · Physics 2021-11-16 Romana Boiger , Rob L. Modini , Alireza Moallemi , David Degen , Martin Gysel-Beer , Andreas Adelmann

In this study, we evaluated the performance of the MODIS C6.1 AOD products and compared them with the C6 products over regions in China with multifarious underlying surfaces during 2001 to 2016. The AOD retrievals were validated against 20…

Atmospheric and Oceanic Physics · Physics 2019-01-30 Yuan Wang , Qiangqiang Yuan , Tongwen Li , Huanfeng Shen , Li Zheng , Liangpei Zhang

Ambient fine particulate matter less than 2.5 $\mu$m in aerodynamic diameter (PM$_{2.5}$) has been linked to various adverse health outcomes and has, therefore, gained interest in public health. However, the sparsity of air quality monitors…

Applications · Statistics 2018-02-12 Nancy Murray , Howard H. Chang , Heather Holmes , Yang Liu

Most contributions on Few-Shot Object Detection (FSOD) evaluate their methods on natural images only, yet the transferability of the announced performance is not guaranteed for applications on other kinds of images. We demonstrate this with…

Computer Vision and Pattern Recognition · Computer Science 2023-10-17 Pierre Le Jeune

Aerosols exhibit periodic or cyclic variations depending on natural and anthropogenic sources over a region, which can get modulated by synoptic meteorological parameters such as winds, rainfall and relative humidity, and long-range…

Atmospheric and Oceanic Physics · Physics 2013-03-26 S. Ramachandran , Sayantan Ghosh , Amit Verma , Prasanta K. Panigrahi

Remote sensing data provide a low-cost solution for large-scale monitoring of air pollution via the retrieval of aerosol optical depth (AOD), but is often limited by cloud contamination. Existing methods for AOD reconstruction rely on…

Computer Vision and Pattern Recognition · Computer Science 2024-05-28 Shengjie Liu , Lu Zhang
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