Results 41 to 50 of about 134,526 (241)

Assimilating FY-4B AGRI Three Water Vapor Channels in Operational Shanghai Typhoon Model (SHTM) Using GSI-Based 3-DVar Approach

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
This study conducts a one-month parallel experiment to compare the results of the operational Shanghai Typhoon Model with (WV123) and without (CTL) the assimilation of clear-sky brightness temperature from three Fengyun-4B (FY-4B) Advanced Geostationary ...
Zeyi Niu, Lei Zhang, Yuhua Yang, Yang Han, Hong Li, Dongliang Wang, Wei Huang, Fuzhong Weng   +7 more
doaj   +1 more source

Parameterization of Subgrid Deep Convective Cloud at Gray-Zone Resolutions: Preliminary Results

Tropical Cyclone Research and Review, 2014
: When the horizontal grid size of a numerical weather prediction (NWP) model is between a few hundred meters and ~10 km, referred to as the gray zone, updrafts in convective clouds cannot be fully resolved explicitly and the use of a subgrid convective ...
Wei Huang, Jian-Wen Bao, Baode Chen
doaj   +1 more source

CFD Modeling of Gas–Solid Cyclone Separators at Ambient and Elevated Temperatures

Processes, 2020
Gas–solid cyclone separators are widely utilized in many industrial applications and usually involve complex multi-physics of gas–solid flow and heat transfer.
M. Nakhaei, Bona Lu, Yujie Tian, W. Wang, K. Dam‐Johansen, Hao Wu   +5 more
semanticscholar   +1 more source

Background Error Covariance Matrix Structure and Impact in a Regional Tropical Cyclone Forecasting System

Remote Sensing
The background error covariance matrix (BE) is a fundamental component of data assimilation (DA) systems. Its impact on both the DA process and subsequent forecast performance depends on model configuration and the types of observations assimilated ...
Dongliang Wang, Hong Li, Hongjun Tian, Lin Deng   +3 more
doaj   +1 more source

Evaluation of the contribution of tropical cyclone seeds to changes in tropical cyclone frequency due to global warming in high-resolution multi-model ensemble simulations

Progress in Earth and Planetary Science, 2020
Previous projections of the frequency of tropical cyclone genesis due to global warming, even in terms of sign of the change, depends on the chosen model simulation.
Y. Yamada, C. Kodama, M. Satoh, M. Sugi, M. Roberts, R. Mizuta, A. Noda, T. Nasuno, M. Nakano, P. Vidale   +9 more
semanticscholar   +1 more source

Improving Typhoon Predictions by Integrating Data‐Driven Machine Learning Model With Physics Model Based on the Spectral Nudging and Data Assimilation

Earth and Space Science
The rapid advancement of data‐driven machine learning (ML) models has improved typhoon track forecasts, but challenges remain, such as underestimating typhoon intensity and lacking interpretability. This study introduces an ML‐driven hybrid typhoon model,
Zeyi Niu, Wei Huang, Lei Zhang, Lin Deng, Haibo Wang, Yuhua Yang, Dongliang Wang, Hong Li   +7 more
doaj   +1 more source

KOMPUTASI BERBASIS DINAMIKA FLUIDA DALAM PREDIKSI PERFORMA PREDUSTER SECARA UNSTEADY STATE

Ilkom Jurnal Ilmiah, 2017
Preduster merupakan alat berbentuk cyclone yang digunakan dalam memisahkan gas dan padatan. Dalam industri semen, alat ini dipasang untuk memisahkan partikel debu dan udara panas sisa pembakaran dan pemanasan sehingga udara panas tersebut dapat ...
Eka Lutfi Septiani
doaj   +1 more source

Winter cyclone frequency and following freshet streamflow formation on the rivers in Belarus

Environmental Research Letters, 2014
We studied long-term fluctuations of streamflow and occurrence of extreme phenomena on the rivers of Belarus during the post-World War II period. It was found that formation of annual runoff within the nation has no constant tendencies and varies from ...
Irina S Partasenok, Pavel Ya Groisman, Grigoriy S Chekan, Viktor I Melnik   +3 more
doaj   +1 more source

Decontamination of Powdery Foods Using an Intense Pulsed Light (IPL) Device for Practical Application

Applied Sciences, 2021
Controlling microbial problems when processing seeds and powdered foods is difficult due to their low water activity, irregular surfaces, and opaqueness.
Hee-Jeong Hwang, So-Yoon Yee, Myong-Soo Chung   +2 more
doaj   +1 more source

Le système du risque à Saint-Martin (Petites Antilles françaises)

Développement Durable et Territoires, 2008
The island of Saint-Martin is an interesting case study for a systemic approach applied to cyclone hazards and the co-evolution of territory and disaster management.
Virginie Duvat
doaj   +1 more source