Results 11 to 20 of about 2,173,093 (267)

Addressing gaps in data on drinking water quality through data integration and machine learning: evidence from Ethiopia

npj Clean Water, 2023
Monitoring access to safely managed drinking water services requires information on water quality. An increasing number of countries have integrated water quality testing in household surveys however it is not anticipated that such tests will be included
Alemayehu A. Ambel, Robert Bain, Tefera Bekele Degefu, Ayca Donmez, Richard Johnston, Tom Slaymaker   +5 more
doaj   +1 more source

ACQUISITION AND ANALYSIS OF TRAFFIC ACCIDENT SCENE INFORMATION BASED ON LASER POINT CLOUD [PDF]

The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2020
With the rapid development of the economy, the number of vehicles in China has increased rapidly, which has also brought about frequent ills in traffic accidents.
Y. M. Zheng, Y. M. Zheng, Y. R. He, X. R. Wang, Q. J. Chen   +4 more
doaj   +1 more source

Spatiotemporal Evolution Characteristics of Urbanization in the Xiamen Special Economic Zone Based on Nighttime-Light Data from 1992 to 2020

Land, 2022
In China and elsewhere, urban expansion is directly related to the important issues of social development, economic development, and the sustainable development of the ecological environment.
Chunfang Chai, Yuanrong He, Peng Yu, Yuanmao Zheng, Zhicheng Chen, Menglin Fan, Yongpeng Lin   +6 more
doaj   +1 more source

Regional atmospheric reanalysis activities at Deutscher Wetterdienst: review of evaluation results and application examples with a focus on renewable energy [PDF]

Advances in Science and Research, 2020
Based on the numerical weather prediction model COSMO of Germany's national meteorological service (Deutscher Wetterdienst, DWD), regional reanalysis datasets have been developed with grid spacing of up to 2 km.
F. Kaspar, D. Niermann, M. Borsche, S. Fiedler, S. Fiedler, J. Keller, J. Keller, R. Potthast, T. Rösch, T. Spangehl, B. Tinz   +10 more
doaj   +1 more source

An open compute and data federation as an alternative to monolithic infrastructures for big Earth data analytics

Big Earth Data, 2023
An adequate compute and storage infrastructure supporting the full exploitation of Copernicus and Earth Observation datasets is currently not available in Europe.
Björn Backeberg, Zdeněk Šustr, Enol Fernández, Gennadii Donchyts, Arjen Haag, J. B. Raymond Oonk, Gerben Venekamp, Benjamin Schumacher, Stefan Reimond, Charis Chatzikyriakou   +9 more
doaj   +1 more source

Combining Log Files and Monitoring Data to Detect Anomaly Patterns in a Data Center

Computers, 2022
Context—Anomaly detection in a data center is a challenging task, having to consider different services on various resources. Current literature shows the application of artificial intelligence and machine learning techniques to either log files or ...
Laura Viola, Elisabetta Ronchieri, Claudia Cavallaro   +2 more
doaj   +1 more source

AC-IBFGS-Based Inversion Method for Estimating the Quasi-Viscoelastic Parameters of Arch Dams

IEEE Access, 2022
This article investigates an inverse problem for variable physical and mechanical comprehensive parameters. A back analysis method based on an improved BFGS (Broyden-Fletcher-Goldfarb Shanno-Newtonian iteration) and AC (adjustment coefficient) is ...
Hao Gu, Meng Yang, Chongshi Gu, Xiaofei Huang   +3 more
doaj   +1 more source

Mechanical Behavior Analysis of Excavation and Retaining Piles in Gravel Formation along Adjacent Railways: A Comparative 3D FEM Study with Monitoring Data

Applied Sciences, 2022
Carrying out underground excavation work with retaining pile supports adjacent to a running railway is a risky and cautious job. To evaluate the safety and practicability of underground excavation, a three-dimensional finite element program was developed
Yu-Lin Lee, Wen-Kuei Hsu, Pei-Wen Hsieh, Chi-Huang Ma, Ming-Yi Lin, Chi-Min Lee   +5 more
doaj   +1 more source

Structural stiffness evaluation of suspension bridge based on monitoring data

Journal of Intelligent Construction, 2023
For long-span suspension bridges, the structural deformation is significantly influenced by the environment. Therefore, evaluating the structural stiffness of suspension bridges is crucial.
Wencheng Xu, Shufeng Guo, Shiqian Yao
doaj   +1 more source

A Hybrid Data Mining Method for Tunnel Engineering Based on Real-Time Monitoring Data From Tunnel Boring Machines

IEEE Access, 2020
Tunnel engineering is one of the typical megaprojects given its long construction period, high construction costs and potential risks. Tunnel boring machines (TBMs) are widely used in tunnel engineering to improve work efficiency and safety.
Shuo Leng, Jia-Rui Lin, Zhen-Zhong Hu, Xuesong Shen   +3 more
doaj   +1 more source