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Real-time air pollution monitoring is a valuable tool for public health and environmental surveillance. In recent years, there has been a dramatic increase in air pollution forecasting and monitoring research using artificial neural…

Machine Learning · Computer Science 2022-11-11 Chen Lin , Safoora Yousefi , Elvis Kahoro , Payam Karisani , Donghai Liang , Jeremy Sarnat , Eugene Agichtein

Africa's green industrialization imperative demands reliable infrastructure for monitoring air quality. We present a satellite-reanalysis PM2.5 fusion system trained on 2,068,901 records from 404 monitoring locations in 29 African countries…

We investigate the relationship between synoptic/local meteorological patterns and PM10 air pollution levels in the metropolitan area of Naples, Italy. We found that severe air pollution crises occurred when the 850 and 500 hpa geopotential…

Geophysics · Physics 2016-10-11 Alberto Fortelli , Nicola Scafetta , Adriano Mazzarella

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…

Image and Video Processing · Electrical Eng. & Systems 2019-06-11 Kris Y. Hong , Pedro O. Pinheiro , Scott Weichenthal

This paper presents a statistical analysis of air temperature data from 32 stations in Italy and the UK up to 2000 m above sea level, from 2002 to 2021. The data came from both highland and lowland areas, in order to evaluate both the…

Applications · Statistics 2024-09-27 Chalachew Muluken Liyew , Elvira Di Nardo , Rosa Meo , Stefano Ferraris

Urban heat islands, defined as specific zones exhibiting substantially higher temperatures than their immediate environs, pose significant threats to environmental sustainability and public health. This study introduces a novel…

Artificial Intelligence · Computer Science 2024-06-03 Lorenzo Innocenti , Giacomo Blanco , Luca Barco , Claudio Rossi

Atmospheric correction is a fundamental task in remote sensing because observations are taken either of the atmosphere or looking through the atmosphere. Atmospheric correction errors can significantly alter the spectral signature of the…

Image and Video Processing · Electrical Eng. & Systems 2022-03-23 Fangcao Xu , Jian Sun , Guido Cervone , Mark Salvador

Methane (CH4) emissions from dairy farming are a significant but under-quantified component of agricultural greenhouse gases. This study provides a satellite-based assessment of dairy-specific methane emissions across Canada using…

Atmospheric and Oceanic Physics · Physics 2025-05-05 Padmanabhan Jagannathan Prajesh , Kaliaperumal Ragunath , Miriam Gordon , Suresh Neethirajan

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…

Nitrogen dioxide (NO$_2$) is a primary constituent of traffic-related air pollution and has well established harmful environmental and human-health impacts. Knowledge of the spatiotemporal distribution of NO$_2$ is critical for exposure and…

Applications · Statistics 2020-11-18 Kyle P Messier , Matthias Katzfuss

Road transportation is one of the largest sectors of greenhouse gas (GHG) emissions affecting climate change. Tackling climate change as a global community will require new capabilities to measure and inventory road transport emissions.…

Computer Vision and Pattern Recognition · Computer Science 2021-03-17 Ryan Mukherjee , Derek Rollend , Gordon Christie , Armin Hadzic , Sally Matson , Anshu Saksena , Marisa Hughes

Fusing abundant satellite data with sparse ground measurements constitutes a major challenge in climate modeling. To address this, we propose a strategy to augment the training dataset by introducing unlabeled satellite images paired with…

Machine Learning · Computer Science 2024-01-17 Lei Duan , Ziyang Jiang , David Carlson

A novel algorithm is developed to downscale soil moisture (SM), obtained at satellite scales of 10-40 km by utilizing its temporal correlations to historical auxiliary data at finer scales. Including such correlations drastically reduces…

Computer Vision and Pattern Recognition · Computer Science 2016-01-22 Subit Chakrabarti , Jasmeet Judge , Tara Bongiovanni , Anand Rangarajan , Sanjay Ranka

Gridded satellite precipitation datasets are useful in hydrological applications as they cover large regions with high density. However, they are not accurate in the sense that they do not agree with ground-based measurements. An…

Atmospheric and Oceanic Physics · Physics 2023-03-06 Georgia Papacharalampous , Hristos Tyralis , Anastasios Doulamis , Nikolaos Doulamis

Air pollution is a worldwide public health threat that can cause or exacerbate many illnesses, including respiratory disease, cardiovascular disease, and some cancers. However, epidemiological studies and public health decision-making are…

We propose a methodology to enhance local CO2 monitoring by integrating satellite data from the Orbiting Carbon Observatories (OCO-2 and OCO-3) with ground level observations from the Integrated Carbon Observation System (ICOS) and weather…

Machine Learning · Computer Science 2024-10-08 Oskar Åström , Carina Geldhauser , Markus Grillitsch , Ola Hall , Alexandros Sopasakis

Accurate in-season crop type classification is crucial for the crop production estimation and monitoring of agricultural parcels. However, the complexity of the plant growth patterns and their spatio-temporal variability present significant…

Computer Vision and Pattern Recognition · Computer Science 2023-11-09 Valentin Barriere , Martin Claverie , Maja Schneider , Guido Lemoine , Raphaël d'Andrimont

This study focuses on the validation of high-resolution regional reanalyses to understand their effectiveness in reproducing precipitation patterns over Italy, a climate change hotspot characterized by coastal sea-land interaction and…

A precise measurement of the atmospheric mass-squared splitting |\Delta m^2_{\mu\mu}| is crucial to establish the three-flavor paradigm and to constrain the neutrino mass models. In addition, a precise value of |\Delta m^2_{\mu\mu}| will…

High Energy Physics - Phenomenology · Physics 2013-12-06 Sanjib Kumar Agarwalla , Suprabh Prakash , Wei Wang

Semantic segmentation of land cover classes is fundamental for agricultural and economic development work, from sustainable forestry to urban planning, yet existing training datasets have significant limitations. To generate an open and…

Computer Vision and Pattern Recognition · Computer Science 2018-11-21 Yoni Nachmany , Hamed Alemohammad