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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…

应用统计 · 统计学 2018-02-12 Nancy Murray , Howard H. Chang , Heather Holmes , Yang Liu

This paper addresses the critical environmental challenge of estimating ambient Nitrogen Dioxide (NO$_2$) concentrations, a key issue in public health and environmental policy. Existing methods for satellite-based air pollution estimation…

计算机视觉与模式识别 · 计算机科学 2025-04-25 Ruben Gonzalez Avilés , Linus Scheibenreif , Damian Borth

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 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…

大气与海洋物理 · 物理学 2014-03-31 Subhasis Banerjee , Sanjay K. Ghosh

There has been growing interest in extending the coverage of ground PM2.5 monitoring networks based on satellite remote sensing data. With broad spatial and temporal coverage, satellite based monitoring network has a strong potential to…

应用统计 · 统计学 2018-09-14 Yikai Wang , Xuefei Hu , Howard Chang , Lance Waller , Jessica Belle , Yang Liu

Particulate Matter (PM) is a form of air pollution that visually degrades urban scenery and is hazardous to human health and the environment. Current monitoring devices are limited in measuring average PM over large areas. Quantifying the…

计算机视觉与模式识别 · 计算机科学 2014-07-15 Tarek El-Gaaly , Joshua Gluckman

Aims. We report the results of a novel determination of the solar oxygen abundance using spatially resolved observations and inversions. We seek to derive the photospheric solar oxygen abundance with a method that is robust against…

太阳与恒星天体物理 · 物理学 2020-11-18 Melania Cubas Armas , Andrés Asensio Ramos , Héctor Socas-Navarro

In a companion article, we discussed the radiometric sensitivity and resolution of a new passive optical sensing technique, Space-Time Projection Optical Tomography (SPOT), to detect and track sub-cm and larger space debris for Space…

光学 · 物理学 2022-11-28 Hasan Bahcivan , David J. Brady

Here we present a new method of estimating global variations in outdoor PM$_{2.5}$ concentrations using satellite images combined with ground-level measurements and deep convolutional neural networks. Specifically, new deep learning models…

图像与视频处理 · 电气工程与系统科学 2019-06-11 Kris Y. Hong , Pedro O. Pinheiro , Scott Weichenthal

Air pollutants, such as particulate matter, negatively impact human health. Most existing pollution monitoring techniques use stationary sensors, which are typically sparsely deployed. However, real-world pollution distributions vary…

计算机视觉与模式识别 · 计算机科学 2021-10-19 Zuohui Chen , Tony Zhang , Zhuangzhi Chen , Yun Xiang , Qi Xuan , Robert P. Dick

Particulate matter pollution is one of the deadliest types of air pollution worldwide due to its significant impacts on the global environment and human health. Particulate Matter (PM2.5) is one of the important particulate pollutants to…

信号处理 · 电气工程与系统科学 2020-02-27 Jalpa Shah , Biswajit Mishra

Fine particulate matter (PM$_{2.5}$) is one of the criteria air pollutants regulated by the Environmental Protection Agency in the United States. There is strong evidence that ambient exposure to (PM$_{2.5}$) increases risk of mortality and…

Air pollution is a major driver of climate change. Anthropogenic emissions from the burning of fossil fuels for transportation and power generation emit large amounts of problematic air pollutants, including Greenhouse Gases (GHGs). Despite…

机器学习 · 计算机科学 2021-09-01 Linus Scheibenreif , Michael Mommert , Damian Borth

This paper presents an engine able to predict jointly the real-time concentration of the main pollutants harming people's health: nitrogen dioxyde (NO2), ozone (O3) and particulate matter (PM2.5 and PM10, which are respectively the…

机器学习 · 计算机科学 2020-02-25 Grégoire Jauvion , Thibaut Cassard , Boris Quennehen , David Lissmyr

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…

地球物理 · 物理学 2018-08-20 Qianqian Yang , Qiangqiang Yuan , Linwei Yue , Tongwen Li , Huanfeng Shen , Liangpei Zhang

Dose-Response Functions (DRFs) are widely used in estimating corrosion and/or soiling levels of materials used in constructions and cultural monuments. These functions quantify the effects of air pollution and environmental parameters on…

Atmospheric aerosols can cause serious damage to human health and life expectancy. Using the radiances observed by NASA's Multi-angle Imaging SpectroRadiometer (MISR), the current MISR operational algorithm retrieves Aerosol Optical Depth…

应用统计 · 统计学 2012-07-30 Yueqing Wang , Xin Jiang , Bin Yu , Ming Jiang

Air pollution poses a significant threat to public health and well-being, particularly in urban areas. This study introduces a series of machine-learning models that integrate data from the Sentinel-5P satellite, meteorological conditions,…

机器学习 · 计算机科学 2024-05-31 Giacomo Blanco , Luca Barco , Lorenzo Innocenti , Claudio Rossi

Visible-light-absorbing carbonaceous aerosols within the boundary layer affect the radiance and polarization states of the radiation at the top of the atmosphere. Remote sensing from suborbital and satellite-based platforms utilizes these…

大气与海洋物理 · 物理学 2021-06-07 Chenchong Zhang , William R. Heinson , Michael J. Garay , Olga Kalashnikova , Rajan K. Chakrabarty

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…

大气与海洋物理 · 物理学 2011-07-15 C. Carnevale , G. Mannarini , E. Pisoni , M. Volta
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