Results 11 to 20 of about 70,613 (293)

The AirGAM 2022r1 air quality trend and prediction model [PDF]

Geoscientific Model Development, 2023
This paper presents the AirGAM 2022r1 model – an air quality trend and prediction model developed at the Norwegian Institute for Air Research (NILU) in cooperation with the European Environment Agency (EEA) over 2017–2021.
S.-E. Walker, S. Solberg, P. Schneider, C. Guerreiro   +3 more
doaj   +1 more source

Characteristics and Establishment of Objective Identification Criteria and Predictors for Foehn Winds in Urumqi, China

Atmosphere, 2023
The special terrain of Urumqi (in the valley area) often triggers strong foehn winds, causing huge losses to local people’s lives and social economies. By using the surface observation data of the hourly temperature, pressure, humidity, and wind from the
Maoling Ayitikan, Xia Li, Qing He, Yusufu Musha, Hao Tang, Shuting Li, Yuting Zhong, Gang Ren   +7 more
doaj   +1 more source

Polar Vortex Multi-Day Intensity Prediction Relying on New Deep Learning Model: A Combined Convolution Neural Network with Long Short-Term Memory Based on Gaussian Smoothing Method

Entropy, 2021
The variation of polar vortex intensity is a significant factor affecting the atmospheric conditions and weather in the Northern Hemisphere (NH) and even the world.
Kecheng Peng, Xiaoqun Cao, Bainian Liu, Yanan Guo, Chaohao Xiao, Wenlong Tian   +5 more
doaj   +1 more source

Notice of Violation of IEEE Publication Principles: Ground-Based Cloud Image Recognition System Based on Multi-CNN and Feature Screening and Fusion

IEEE Access, 2020
The recognition of ground-based cloud images has rich application prospects in many aspects such as weather prediction, astronomical site selection, and meteorological observation.
Ma Jingyi, Tiejun Zhang, Jing Guodong, Yan Wenjun, Yang Bin   +4 more
doaj   +1 more source

Understanding the Role of User Needs and Perceptions Related to Sub-Seasonal and Seasonal Forecasts on Farmers' Decisions in Kenya: A Systematic Review

Frontiers in Climate, 2021
One major challenge facing farmers and other end users of weather and climate information (WCI) in Kenya is the linkage between their perceptions, needs, and engagements with producers of the information.
Richard Muita, Richard Muita, Andrew Dougill, Joseph Mutemi, Stella Aura, Richard Graham, David Awolala, David Awolala, Elias Nkiaka, Linda Hirons, Franklin Opijah   +10 more
doaj   +1 more source

Development and Maintenance Mechanisms of a Long-Lived Mesoscale Vortex Which Governed the Earlier Stage of the “21.7” Henan Torrential Rainfall Event

Frontiers in Earth Science, 2022
From 17 to 22 July 2021, a series of disastrous rainstorms appeared within Henan Province and its surroundings, which rendered 398 dead/missing and a direct economic loss of up to ∼114 billion Yuan.
Wanli Li, Hui Ma, Rui Fu, Hong Han, Xiuming Wang   +4 more
doaj   +1 more source

A 7-Year Lag Precipitation Teleconnection in South Australia and Its Possible Mechanism

Frontiers in Earth Science, 2020
Precipitation teleconnections with large-scale ocean–atmosphere oscillation systems provide useful information for water management. Here, we present a 7-year lag response in South Australia (SA) precipitation to the Southern Annular Mode (SAM) in a ...
Lingli Fan, Lingli Fan, Huade Guan, Wenju Cai, Wenju Cai, C. P. Rofe, Jianjun Xu   +6 more
doaj   +1 more source

Characteristics and Synoptic Patterns of Regional Extreme Rainfall over the Central and Eastern Tibetan Plateau in Boreal Summer

Atmosphere, 2021
In this research, the observation datasets from 106 gauge stations over the central and eastern areas of the Tibetan Plateau (TP) and the ERA (ECMWF Re-Analysis)-Interim reanalysis datasets in the summers of 1981–2016 are used to study the ...
Jun Sun, Xiuping Yao, Guowei Deng, Yi Liu   +3 more
doaj   +1 more source

A fibre optic sensor for the measurement of surface roughness and displacement using artificial neural networks [PDF]

, 1997
This paper presents a fiber optic sensor system, artificial neural networks (fast back-propagation) are employed for the data processing. The use of the neural networks makes it possible for the sensor to be used both for surface roughness and ...
Butler, C, Lu, Y, Yang, QP, Zhang, K
core   +1 more source

Evaluation of Six Satellite-Based Soil Moisture Products Based on in situ Measurements in Hunan Province, Central China

Frontiers in Environmental Science, 2022
Long-term near-surface soil moisture (SM) data can be obtained on a regional scale through microwave remote sensing. Therefore, to quantitatively analyze the accuracy of multisource remote sensing–based observation products, improve the retrieval ...
Jiazhi Fan, Jiazhi Fan, Jiazhi Fan, Qinzhe Han, Qinzhe Han, Shiqi Tan, Ji Li   +6 more
doaj   +1 more source