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3,138 Results Found

  • Article
  • Open Access
5 Citations
2,478 Views
23 Pages

Optimal Rain Gauge Network Design Aided by Multi-Source Satellite Precipitation Observation

  • Helong Wang,
  • Wenlong Chen,
  • Zukang Hu,
  • Yueping Xu and
  • Dingtao Shen

3 December 2022

Optimized rain gauge networks minimize their input and maintenance costs. Satellite precipitation observations are particularly susceptible to the effects of terrain elevation, vegetation, and other topographical factors, resulting in large deviation...

  • Article
  • Open Access
12 Citations
5,760 Views
17 Pages

10 March 2018

The National Meteorological Satellite Center/Korean Meteorological Administration (NMSC/KMA) receives data directly from low Earth orbit (LEO) satellites (including NOAA-18,19; MetOp-A,B; and Suomi-NPP), and generates Level 2 products (e.g., temperat...

  • Article
  • Open Access
3 Citations
2,363 Views
19 Pages

Utilization of Bayesian Optimization and KWN Modeling for Increased Efficiency of Al-Sc Precipitation Strengthening

  • Kyle Deane,
  • Yang Yang,
  • Joseph J. Licavoli,
  • Vu Nguyen,
  • Santu Rana,
  • Sunil Gupta,
  • Svetha Venkatesh and
  • Paul G. Sanders

6 June 2022

The Kampmann and Wagner numerical model was adapted in MATLAB to predict the precipitation and growth of Al3Sc precipitates as a function of starting concentration and heat-treatment steps. This model was then expanded to predict the strengthening in...

  • Article
  • Open Access
11 Citations
6,954 Views
25 Pages

10 January 2020

Typhoon precipitation and intensity forecasting plays an important role in disaster prevention and mitigation in the typhoon landfall area. However, the issue of improving forecast accuracy is very challenging. In this study, the Weather Research and...

  • Article
  • Open Access
32 Citations
4,989 Views
20 Pages

Optimized Artificial Neural Networks-Based Methods for Statistical Downscaling of Gridded Precipitation Data

  • Amir Hossein Salimi,
  • Jafar Masoompour Samakosh,
  • Ehsan Sharifi,
  • Mohammad Reza Hassanvand,
  • Amir Noori and
  • Hary von Rautenkranz

10 August 2019

Precipitation as a key parameter in hydrometeorology and other water-related applications always needs precise methods for assessing and predicting precipitation data. In this study, an effort has been conducted to downscale and evaluate a satellite...

  • Article
  • Open Access
9 Citations
2,584 Views
20 Pages

A Generalized Regression Neural Network Model for Accuracy Improvement of Global Precipitation Products: A Climate Zone-Based Local Optimization

  • Saeid Mohammadpouri,
  • Mostafa Sadeghnejad,
  • Hamid Rezaei,
  • Ronak Ghanbari,
  • Safiyeh Tayebi,
  • Neda Mohammadzadeh,
  • Naeim Mijani,
  • Ahmad Raeisi,
  • Solmaz Fathololoumi and
  • Asim Biswas

29 May 2023

The ability to obtain accurate precipitation data from various geographic locations is crucial for many applications. Various global products have been released in recent decades for estimating precipitation spatially and temporally. Nevertheless, it...

  • Article
  • Open Access
120 Citations
12,089 Views
15 Pages

17 May 2017

Precipitation is a very important topic in weather forecasts. Weather forecasts, especially precipitation prediction, poses complex tasks because they depend on various parameters to predict the dependent variables like temperature, humidity, wind sp...

  • Article
  • Open Access
22 Citations
7,821 Views
34 Pages

Optimization of ZnO Nanoparticles’ Synthesis via Precipitation Method Applying Taguchi Robust Design

  • Maria-Anna Gatou,
  • Katerina Kontoliou,
  • Eleni Volla,
  • Konstantinos Karachalios,
  • Grigorios Raptopoulos,
  • Patrina Paraskevopoulou,
  • Nefeli Lagopati and
  • Evangelia A. Pavlatou

13 October 2023

Zinc oxide (ZnO) possesses exceptional potential to be utilized in water and wastewater treatment applications, either as a photocatalyst or in membrane incorporation. In the present study, ZnO nanoparticles were synthesized using the precipitation m...

  • Article
  • Open Access
20 Citations
3,912 Views
15 Pages

A New Method for Determining an Optimal Diurnal Threshold of GNSS Precipitable Water Vapor for Precipitation Forecasting

  • Haobo Li,
  • Xiaoming Wang,
  • Suqin Wu,
  • Kefei Zhang,
  • Erjiang Fu,
  • Ying Xu,
  • Cong Qiu,
  • Jinglei Zhang and
  • Li Li

4 April 2021

Nowadays, precipitable water vapor (PWV) retrieved from ground-based Global Navigation Satellite Systems (GNSS) tracking stations has heralded a new era of GNSS meteorological applications, especially for severe weather prediction. Among the existing...

  • Article
  • Open Access
1 Citations
1,216 Views
20 Pages

Accurate precipitation forecasting plays a crucial role in sustainable water resource management, especially in arid regions like Konya, one of Turkey’s driest areas. Reliable forecasts support effective water budgeting, agricultural planning,...

  • Article
  • Open Access
10 Citations
3,426 Views
17 Pages

18 October 2022

Auricularia auricula-judae polysaccharide (AAP)-based nanoparticles (NPs) prepared via an anti-solvent precipitation approach were studied. Response surface methodology (RSM) design was carried out on the basis of single factor experiments, using ave...

  • Article
  • Open Access
16 Citations
2,335 Views
18 Pages

Function-Based Troposphere Tomography Technique for Optimal Downscaling of Precipitation

  • Saeid Haji-Aghajany,
  • Yazdan Amerian and
  • Alireza Amiri-Simkooei

26 May 2022

Precipitation is an important meteorological indicator that has a direct and significant impact on ecology, agriculture, hydrology, and other vital areas of human health and life. It is therefore essential to monitor variations of this parameter at a...

  • Article
  • Open Access
2 Citations
3,223 Views
19 Pages

19 September 2023

Precipitation fluctuations in the Pearl River Basin (PRB) have a significant impact on river runoff, causing huge economic losses and casualties. However, future precipitation variations in the PRB remain unclear. Therefore, we explored the projected...

  • Article
  • Open Access
8 Citations
1,788 Views
17 Pages

17 September 2023

Extreme rainfall may induce flooding failures of electricity facilities, which poses power systems in a risk of power supply interruption. To quantitatively estimate the risk of power system operation under extreme rainfall, a multi-scenario stochast...

  • Article
  • Open Access
4 Citations
2,691 Views
26 Pages

20 August 2024

Accurate precipitation estimates are crucial for various hydrological and environmental applications. This study presents a comprehensive evaluation of three widely used satellite-based precipitation datasets (SPDs)—PERSIANN, CHIRPS, and MERRA&...

  • Article
  • Open Access
11 Citations
4,025 Views
19 Pages

16 August 2023

The Standardized Precipitation Index (SPI) is a standardized measure of the variability of precipitation and is widely used for drought assessment around the world. In general, the probability distribution used to calculate the SPI in many studies is...

  • Article
  • Open Access
6 Citations
2,146 Views
14 Pages

13 April 2023

Precipitation images play an important role in meteorological forecasting and flood forecasting, but how to characterize precipitation images and conduct rainfall similarity analysis is challenging and meaningful work. This paper proposes a rainfall...

  • Article
  • Open Access
4 Citations
3,818 Views
14 Pages

Radar Quantitative Precipitation Estimation Algorithm Based on Precipitation Classification and Dynamical Z-R Relationship

  • Wang Peng,
  • Shuping Bao,
  • Kan Yang,
  • Jiahua Wei,
  • Xudong Zhu,
  • Zhen Qiao,
  • Yongcan Wang and
  • Qiong Li

28 October 2022

The choice of Z-R relationship is an essential source of error in radar Quantitative Precipitation Estimation (QPE). A QPE algorithm combining the Optimization process of precipitation Classification and Dynamical adjustments (OCD) is proposed to imp...

  • Article
  • Open Access
2 Citations
2,077 Views
18 Pages

Suggestions for Revegetation over the Next 30 Years Based on Precipitation in the Three North Region of China

  • Yu Xiao,
  • Gaodi Xie,
  • Chunxia Lu,
  • Changshun Zhang,
  • Jie Xu,
  • Jingya Liu,
  • Keyu Qin,
  • Yiqiu Li,
  • Chaoxuan Xu and
  • Liqiang Ge
  • + 4 authors

16 November 2021

Afforestation in the Three North Region (TNR) of China has received wide concern due to the low survival rate and threats to water security associated with the lack of available precipitation for vegetation. It is crucial to provide a spatial layout...

  • Article
  • Open Access
81 Citations
4,265 Views
18 Pages

8 October 2018

Droughts occur frequently during summer maize growth in the Huaihe River Basin, China. Identifying the critical precipitation thresholds that can lead to drought is conducive to drought monitoring and the creation of early warning systems. Based on m...

  • Article
  • Open Access
7 Citations
2,272 Views
23 Pages

4 January 2023

Drought directly affects environmental sustainability. Predicting the drought at the earliest opportunity will help to execute drought mitigation plans. Several drought indices are used to predict the severity of drought across different geographical...

  • Article
  • Open Access
9 Citations
4,360 Views
19 Pages

27 January 2018

The current neighborhood probability (NP) method mainly considers the spatial displacement error in high-resolution precipitation forecasts, but the problem of the forecast time exceeding or lagging behind the observed field has not been properly sol...

  • Article
  • Open Access
47 Citations
5,435 Views
26 Pages

A Theoretical Approach for Forecasting Different Types of Drought Simultaneously, Using Entropy Theory and Machine-Learning Methods

  • Pouya Aghelpour,
  • Babak Mohammadi,
  • Seyed Mostafa Biazar,
  • Ozgur Kisi and
  • Zohreh Sourmirinezhad

Precipitation deficit can affect different natural resources such as water, soil, rivers and plants, and cause meteorological, hydrological and agricultural droughts. Multivariate drought indexes can theoretically show the severity and weakness of va...

  • Article
  • Open Access
7 Citations
2,905 Views
22 Pages

17 February 2020

Global warming is inevitably the cause of local climate change, which will have a profound impact on regional ecology, especially in the desertified steppe and steppefied desert transition zones with fragile ecological environments. In order to inves...

  • Article
  • Open Access
2 Citations
1,849 Views
32 Pages

Multisource Precipitation Data Merging Using a Dual-Layer ConvLSTM Model

  • Bin Hu,
  • Xingnan Zhang,
  • Yuanhao Fang,
  • Shiyu Mou,
  • Rui Qian,
  • Jia Li and
  • Zaini Chen

5 February 2025

Precipitation is a key component of the water cycle. Different precipitation data sources have strengths and weaknesses. To combine these strengths and achieve accurate precipitation data, this study introduces a dual-layer neural network (D-ConvLSTM...

  • Article
  • Open Access
6 Citations
3,258 Views
22 Pages

10 May 2022

The precipitation systems that pass over mountains develop rapidly due to the forcible ascent caused by the topography, and spatial rainfall distribution differences occur due to the local development of the system because of the topography. In order...

  • Article
  • Open Access
34 Citations
6,848 Views
15 Pages

Struvite Precipitation for Sustainable Recovery of Nitrogen and Phosphorus from Anaerobic Digestion Effluents of Swine Manure

  • Hong-Duck Ryu,
  • Do Young Lim,
  • Sun-Jung Kim,
  • Un-Il Baek,
  • Eu Gene Chung,
  • Kyunghyun Kim and
  • Jae Kwan Lee

16 October 2020

In this study, we propose the application of struvite precipitation for the sustainable recovery of nitrogen (N) and phosphorus (P) from anaerobic digestion (AD) effluents derived from swine manure. The optimal conditions for four major factors that...

  • Article
  • Open Access
2 Citations
2,222 Views
17 Pages

Laccase Production Optimization from Recombinant E. coli BL21 Codon Plus Containing Novel Laccase Gene from Bacillus megaterium for Removal of Wastewater Textile Dye

  • Zannara Mustafa,
  • Ikram ul Haq,
  • Ali Nawaz,
  • Abdulrahman H. Alessa,
  • Muhammad Nauman Aftab,
  • Ahmad A. Alsaigh and
  • Aziz ur Rehman

22 November 2024

The aim of the present research was the efficient degradation of industrial textile wastewater dyes using a very active cloned laccase enzyme. For this purpose, potent laccase-producing bacteria were isolated from soil samples collected from wastewat...

  • Review
  • Open Access
4 Citations
6,091 Views
19 Pages

24 November 2021

A complex interplay between several biological macromolecules maintains cellular homeostasis. Generally, the demanding chemical reactions which sustain life are not performed by individual macromolecules, but rather by several proteins that together...

  • Article
  • Open Access
15 Citations
4,592 Views
16 Pages

Land degradation is one of the world’s most serious environmental issues. Human activities play an important role in it. Therefore, human-induced land degradation monitoring is of crucial scientific significance in revealing the evolution of la...

  • Article
  • Open Access
241 Views
22 Pages

9 January 2026

Efficient phosphorus recovery is of great significance for sustainable wastewater management and resource recycling. While chemical precipitation is widely used, its effectiveness under complex multi-factor conditions remains challenging to predict a...

  • Article
  • Open Access
1 Citations
1,991 Views
18 Pages

28 September 2023

Satellite precipitation estimate (SPE) dedicated to reservoir inflow forecasting is very attractive as it can provide near-real-time information for reservoir monitoring. However, the potential of SPE retrievals with fine temporal resolution in suppo...

  • Article
  • Open Access
2 Citations
5,046 Views
11 Pages

Enhanced Resolution of Microwave Sounder Imagery through Fusion with Infrared Sensor Data

  • Igor Yanovsky,
  • Ali Behrangi,
  • Yixin Wen,
  • Mathias Schreier,
  • Van Dang and
  • Bjorn Lambrigtsen

27 October 2017

The images acquired by microwave sensors are blurry and have low resolution. On the other hand, the images obtained using infrared/visible sensors are often of higher resolution. In this paper, we develop a data fusion methodology and apply it to enh...

  • Article
  • Open Access
18 Citations
2,186 Views
17 Pages

26 July 2023

The impact of climate change has led to significant changes in hydroclimatic patterns and continuous stress on water resources through frequent wet and dry spells. Hence, understanding and effectively addressing the escalating impact of climate chang...

  • Article
  • Open Access
1 Citations
1,238 Views
15 Pages

Directed Energy Deposition-Laser Beam of Semi-Austenitic Precipitation-Hardening Stainless Steel

  • Alex Lourenço Barbosa,
  • Fábio Edson Mariani,
  • Fernanda Mariano Pereira,
  • Osvaldo Mitsuyuki Cintho,
  • Reginaldo Teixeira Coelho,
  • Piter Gargarella and
  • Kahl Zilnyk

Directed Energy Deposition-Laser Beam (DED-LB) is an ideal Additive Manufacturing (AM) process to obtain very complex geometries, which can be important for several applications in industries such as aerospace and biomedical engineering. The present...

  • Article
  • Open Access
4 Citations
2,885 Views
24 Pages

Optimizing Analog Ensembles for Sub-Daily Precipitation Forecasts

  • Julia Jeworrek,
  • Gregory West and
  • Roland Stull

12 October 2022

This study systematically explores existing and new optimization techniques for analog ensemble (AnEn) post-processing of hourly to daily precipitation forecasts over the complex terrain of southwest British Columbia, Canada. An AnEn bias-corrects a...

  • Article
  • Open Access
28 Citations
5,494 Views
15 Pages

12 February 2022

The development of processing techniques for the extraction of rare earth elements and critical minerals (REE/CM) from acid mine drainage precipitates (AMDp) has attracted increased interest in recent years. Processes under development often utilize...

  • Article
  • Open Access
623 Views
20 Pages

30 September 2025

This preliminary study investigates the optimization of the mechanical properties of the zinc wrought alloy ZEP1510 with the objective of assessing its potential to approach the hardness, strength, and toughness of the brass alloy, CuZn21Si3P. Enhanc...

  • Article
  • Open Access
5 Citations
2,681 Views
14 Pages

Optimization and Characterization of PEG Extraction Process for Tartary Buckwheat-Derived Nanoparticles

  • Jiyue Zhang,
  • Chuang Zhou,
  • Maoling Tan,
  • Yanan Cao,
  • Yuanhang Ren and
  • Lianxin Peng

21 August 2024

Plant-derived edible nanovesicles serve as crucial nanocarriers for targeted delivery of bioactive substances, including miRNAs and phytochemicals, to specific tissues. They have emerged as a significant focus in precision nutrient delivery research....

  • Article
  • Open Access
20 Citations
5,934 Views
19 Pages

Express Method of Preparation of Hollow Fiber Membrane Samples for Spinning Solution Optimization: Polysulfone as Example

  • Tatyana Anokhina,
  • Alisa Raeva,
  • Sergey Makaev,
  • Ilya Borisov,
  • Vladimir Vasilevsky and
  • Alexey Volkov

This article describes a new technique for the preparation of hollow fiber (HF) membrane samples using an automatic manipulator unit. The manipulator uses a syringe needle to form a HF of a given geometry. The needle in automatic mode is sequentially...

  • Article
  • Open Access
5 Citations
2,897 Views
14 Pages

Development of Machine Learning Models to Evaluate the Toughness of OPH Alloys

  • Omid Khalaj,
  • Moslem Ghobadi,
  • Ehsan Saebnoori,
  • Alireza Zarezadeh,
  • Mohammadreza Shishesaz,
  • Bohuslav Mašek,
  • Ctibor Štadler and
  • Jiří Svoboda

8 November 2021

Oxide Precipitation-Hardened (OPH) alloys are a new generation of Oxide Dispersion-Strengthened (ODS) alloys recently developed by the authors. The mechanical properties of this group of alloys are significantly influenced by the chemical composition...

  • Article
  • Open Access
16 Citations
3,089 Views
29 Pages

22 September 2023

Drought, as a natural disaster, has significant negative consequences and directly impacts living organisms. Drought forecasting commonly relies on various drought indices, with the Standardized Precipitation Index (SPI) being widely used. In this st...

  • Article
  • Open Access
6 Citations
2,510 Views
21 Pages

Optimizing Precipitation Forecasting and Agricultural Water Resource Allocation Using the Gaussian-Stacked-LSTM Model

  • Maofa Wang,
  • Bingcheng Yan,
  • Yibo Zhang,
  • Lu Zhang,
  • Pengcheng Wang,
  • Jingjing Huang,
  • Weifeng Shan,
  • Haijun Liu,
  • Chengcheng Wang and
  • Yimin Wen

30 October 2024

Our study investigates the use of machine learning models for daily precipitation prediction using data from 56 meteorological stations in Jilin Province, China. We evaluate Stacked Long Short-Term Memory (LSTM), Transformer, and Support Vector Regre...

  • Article
  • Open Access
3 Citations
2,489 Views
23 Pages

Microbial Culture Condition Optimization and Fiber Reinforcement on Microbial-Induced Carbonate Precipitation for Soil Stabilization

  • Changjun Wang,
  • Xiaoxiao Li,
  • Jianjun Zhu,
  • Wenzhu Wei,
  • Xinran Qu,
  • Ling Wang,
  • Ninghui Sun and
  • Lei Zhang

31 March 2025

Traditional soil stabilization methods, including cement and chemical grouting, are energy-intensive and environmentally harmful. Microbial-induced carbonate precipitation (MICP) technology offers a sustainable alternative by utilizing microorganisms...

  • Article
  • Open Access
1 Citations
1,341 Views
22 Pages

Optimization of CMIP6 Precipitation Projection Based on Bayesian Model Averaging Approach and Future Urban Precipitation Risk Assessment: A Case Study of Shanghai

  • Yifeng Qin,
  • Caihua Yang,
  • Hao Wu,
  • Changkun Xie,
  • Afshin Afshari,
  • Veselin Krustev,
  • Shengbing He and
  • Shengquan Che

25 August 2025

Urban flooding, intensified by climate change, poses significant threats to sustainable development, necessitating accurate precipitation projections for effective risk management. This study utilized Bayesian Model Averaging (BMA) to optimize CMIP6...

  • Article
  • Open Access
7 Citations
4,800 Views
21 Pages

Optimizing Hardwood Lignin Precipitation from Kraft Black Liquor: A Study of Temperature and pH Effects

  • Richard Nadányi,
  • Grigory Zinovyev,
  • Matúš Majerčiak,
  • Martin Štosel,
  • Michal Jablonský and
  • Aleš Ház

13 June 2024

Lignin, a complex and heterogeneous biopolymer derived from wood, holds immense potential as a sustainable feedstock for various industrial applications. Kraft pulping, a widely employed process in the paper industry, generates black liquor containin...

  • Article
  • Open Access
24 Citations
7,354 Views
17 Pages

Evaluation of Optimized WRF Precipitation Forecast over a Complex Topography Region during Flood Season

  • Yuan Li,
  • Guihua Lu,
  • Zhiyong Wu,
  • Hai He,
  • Jun Shi,
  • Yuexiong Ma and
  • Shichuang Weng

17 November 2016

In recent years, the Weather Research and Forecast (WRF) model has been utilized to generate quantitative precipitation forecasts with higher spatial and temporal resolutions. However, factors including horizontal resolution, domain size, and the phy...

  • Article
  • Open Access
45 Citations
10,331 Views
23 Pages

4 November 2013

The South African Weather Service is mandated to issue warnings of hazardous weather events, including those related to heavy precipitation, in order to safeguard life and property. Flooding and flash flood events are common in South Africa. Frequent...

  • Article
  • Open Access
13 Citations
8,431 Views
26 Pages

22 May 2023

In the midst of the COVID-19 pandemic, new requirements for clean air supply are introduced for heating, ventilation, and air conditioning (HVAC) systems. One way for HVAC systems to efficiently remove airborne viruses is by filtering them. Unlike di...

  • Article
  • Open Access
5 Citations
1,902 Views
10 Pages

Decreasing Solid Aerosols from Small Heat Sources Using the Optimized Electrostatic Precipitator

  • Michal Holubčík,
  • Nikola Čajová Kantová,
  • Juraj Trnka and
  • Jozef Jandačka

6 September 2022

Air quality and air pollution are important issues, and thus it is necessary to look at possibilities for how to decrease emissions in the atmosphere affordably and effectively. This article focuses on solid aerosols, specifically particulate matter,...

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