English
Related papers

Related papers: Wet scavenging process of particulate matter (PM10…

200 papers

Several passive microwave satellites orbit the Earth and measure rainfall. These measurements have the advantage of almost full global coverage when compared to surface rain gauges. However, these satellites have low temporal revisit and…

Computer Vision and Pattern Recognition · Computer Science 2013-04-12 Seyed Hamed Alemohammad , Dara Entekhabi

We present an approach that uses a deep learning model, in particular, a MultiLayer Perceptron (MLP), for estimating the missing values of a variable in multivariate time series data. We focus on filling a long continuous gap (e.g.,…

Continuous physical domains are important for scientific investigations of dynamical processes in the atmosphere. However, missing data arising from operational constraints and adverse environmental conditions pose significant challenges to…

Atmospheric and Oceanic Physics · Physics 2025-09-03 Jiahui Hu , Wenjun Dong , Alan Z. Liu

Rain streaks bring complicated pixel intensity changes and additional gradients, greatly obstructing the extraction of image features from background. This causes serious performance degradation in feature-based applications. Thus, it is…

Image and Video Processing · Electrical Eng. & Systems 2023-11-02 Wei Wu , Hao Chang , Zhu Li

High quality Quantitative Precipitation Estimation at high spatiotemporal resolution is crucial to many hydrologic/hydro-meteorological designs. Optimal Quantitative Precipitation Estimation of rainfall improves the accuracy of river and…

Atmospheric and Oceanic Physics · Physics 2021-09-03 Ruhollah Nasiri , Mohamad Sarajzadeh

Analyzing air pollution data is challenging as there are various analysis focuses from different aspects: feature (what), space (where), and time (when). As in most geospatial analysis problems, besides high-dimensional features, the…

Machine Learning · Computer Science 2022-02-14 Yun-Hsin Kuo , Takanori Fujiwara , Charles C. -K. Chou , Chun-houh Chen , Kwan-Liu Ma

Post-wildfire mudflows are increasingly hazardous due to the prevalence of wildfires, including those on the wildland-urban interface. Upon burning, soil on the surface or immediately beneath becomes hydrophobic, a phenomenon that occurs…

Machine Learning · Computer Science 2026-02-13 Mahta Movasat , Ingrid Tomac

The present work is aimed to examine the potential of advanced machine learning strategies to predict the monthly rainfall (precipitation) for the Indus Basin, using climatological variables such as air temperature, geo-potential height,…

Signal Processing · Electrical Eng. & Systems 2019-01-27 Hamidreza Ghasemi Damavandi , Reepal Shah

Accurate precipitation forecasting is a vital challenge of societal importance. Though data-driven approaches have emerged as a widely used solution, solely relying on data-driven approaches has limitations in modeling the underlying…

Machine Learning · Computer Science 2024-10-14 Yujin Tang , Jiaming Zhou , Xiang Pan , Zeying Gong , Junwei Liang

Gridded estimated rainfall intensity values at very high spatial and temporal resolution levels are needed as main inputs for weather prediction models to obtain accurate precipitation forecasts, and to verify the performance of…

Applications · Statistics 2009-01-23 Montserrat Fuentes , Brian Reich , Gyuwon Lee

Operational weather forecasting models have advanced for decades on both the explicit numerical solvers and the empirical physical parameterization schemes. However, the involved high computational costs and uncertainties in these existing…

Atmospheric and Oceanic Physics · Physics 2024-05-13 Mengxuan Chen , Ziqi Yuan , Jinxiao Zhang , Runmin Dong , Haohuan Fu

Understanding the process of multiphase fluid flow through porous media is crucial for many climate change mitigation technologies, including CO$_2$ geological storage, hydrogen storage, and fuel cells. However, current numerical models are…

Fluid Dynamics · Physics 2024-11-22 Yuxuan Gu , Catherine Spurin , Gege Wen

Air pollution remains a critical environmental and public health challenge, demanding high-resolution spatial data to better understand its spatial distribution and impacts. This study addresses the challenges of conducting multivariate…

Applications · Statistics 2025-03-18 Fernando Rodriguez Avellaneda , Erick A. Chacón-Montalván , Paula Moraga

With the intensification of global climate change, accurate prediction of weather indicators is of great significance in disaster prevention and mitigation, agricultural production, and transportation. Precipitation, as one of the key…

Machine Learning · Computer Science 2025-04-30 Yuchen Wang , Pengfei Jia , Zhitao Shu , Keyan Liu , Abdul Rashid Mohamed Shariff

In this paper, we propose a unified end-to-end trainable multi-task network that jointly handles lane and road marking detection and recognition that is guided by a vanishing point under adverse weather conditions. We tackle rainy and low…

Computer Vision and Pattern Recognition · Computer Science 2017-10-18 Seokju Lee , Junsik Kim , Jae Shin Yoon , Seunghak Shin , Oleksandr Bailo , Namil Kim , Tae-Hee Lee , Hyun Seok Hong , Seung-Hoon Han , In So Kweon

Rain removal aims to remove rain streaks from images/videos and reduce the disruptive effects caused by rain. It not only enhances image/video visibility but also allows many computer vision algorithms to function properly. This paper makes…

Computer Vision and Pattern Recognition · Computer Science 2022-04-01 Yi Yu , Wenhan Yang , Yap-Peng Tan , Alex C. Kot

Understanding how vegetation loss alters rainfall remains a major challenge in climate and hydrological science, as deforestation modifies precipitation through heterogeneous, seasonal and nonlinear land-atmosphere feedbacks. Existing…

Atmospheric and Oceanic Physics · Physics 2026-05-13 Lilly Horvath-Makkos , Fayyaz Minhas

A univariate time series with high variability can pose a challenge even to Deep Neural Network (DNN). To overcome this, a univariate time series is decomposed into simpler constituent series, whose sum equals the original series. As…

Machine Learning · Computer Science 2023-03-14 Debdarsan Niyogi

A typical problem in air pollution epidemiology is exposure assessment for individuals for which health data are available. Due to the sparsity of monitoring sites and the limited temporal frequency with which measurements of air pollutants…

A new stochastic model for daily precipitation occurrence processes observed at multiple locations is developed. The modeling concept is to use the indicator function and the elliptical shape of multivariate Gaussian distribution to…

Applications · Statistics 2020-09-02 Hsien-Wei Chen