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Evaluation and Improvement of Water Supply Capacity in the Region

Qiao-Xu Qin, Yuan-Biao Zhang
2018 Journal of Management and Sustainability  
After that, we predicted the water supply situation in Beijing area in the next 15 years and explained the impact of future water resources on the residents’ life by using the grey prediction method  ...  Then the intervention plan is put forward, and the influence of the intervention plan is added to the evaluation model, and then the water supply capacity of the prognosis is predicted again.  ...  time zone for the estimation and prediction, it is in fact the actual process as "grey process", "random" as "grey variables", mainly used in the grey system theory GM (1,1) model for processing.  ... 
doi:10.5539/jms.v8n4p113 fatcat:xd4tbdfp6ngizpz6n5yxozfhn4

Comparison of Deep learning models on time series forecasting : a case study of Dissolved Oxygen Prediction [article]

Hongqian Qin
2019 arXiv   pre-print
Although many researchers have developed hybrid models or variant models based on deep learning techniques, there is no comprehensive and sound comparison among the deep learning models in this field currently  ...  Deep learning has achieved impressive prediction performance in the field of sequence learning recently.  ...  Chen Li [26] proposed the model merging the least squares support vector machine (LSSVR), BP neural network, and grey model (GM).  ... 
arXiv:1911.08414v2 fatcat:knyqgtntsna7pid4oz2pictiry

Analysis of Tradable Water Volumes of Industry in Water-Rich Areas of China: A Case Study of Changsha City

Xiang-nan Chen, Feng-ping Wu, Fang Li, Yue Zhao, Xia Xu
2021 International Journal of Environmental Research and Public Health  
We used the proportion method to calculate the initial water-rights allocation of industry under different runoff frequencies, and grey model (1,1) to predict the water demand of industry.  ...  First, based on the property rights theory, we analyzed the concept of tradable water volumes, and put forward the preliminary determination of water-rights trading subjects.  ...  There are mature theories and prediction methods about water demand prediction, such as artificial neural network and grey prediction model [45] .  ... 
doi:10.3390/ijerph18020679 pmid:33466909 pmcid:PMC7830554 fatcat:ur7ykmbfvrc2vh4a3qbvsnheoa

Statistical Analysis and Prediction of Fatal Accidents in the Metallurgical Industry in China

Qingwei Xu, Kaili Xu
2020 International Journal of Environmental Research and Public Health  
To overcome this issue, the grey interval predicting method and the GM(1,1) model of grey system theory are introduced to predict the future characteristics of fatal accidents in the metallurgical industry  ...  As the original statistical data of fatal accidents in the metallurgical industry have irregular fluctuations, the traditional prediction methods, such as linear or quadratic regression models, cannot  ...  Wang et al. predicted the urban heat supply based on the grey system theory [29] .  ... 
doi:10.3390/ijerph17113790 pmid:32471060 pmcid:PMC7312879 fatcat:r3mdfe7utzdvfdbfnzqfd2ope4

An interactive multi-scale integrated assessment of future regional water availability for agricultural irrigation in East Anglia and North West England

C. Henriques, I. P. Holman, E. Audsley, K. Pearn
2008 Climatic Change  
Under economically-focussed regional futures, water supply availability increases at the expense of the environment, despite high water demands.  ...  Results show that the effectiveness of water pricing for reducing irrigation demand is also scenario-dependent.  ...  These are based on the high-resolution regional climate model (HadRM3) from the Hadley Centre for Climate Prediction and Research.  ... 
doi:10.1007/s10584-008-9459-0 fatcat:sb4pwqlbefarvnjtrrbyes4vwa

Causal Analysis and Prevention Measures for Extreme Heavy Rainstorms in Zhengzhou to Protect Human Health

Qingwei Xu, Liu Han, Kaili Xu
2022 Behavioral Sciences  
The secondary disasters caused by this rainstorm mainly include urban water logging, river flooding, and mountain torrents and landslides.  ...  level of urban disaster prevention and mitigation, reinforce the existing reservoirs in the city, strengthen the construction of sponge cities, and improve the capacity of urban disaster emergency rescue  ...  Conflicts of Interest: The authors have no conflict of interest to declare.  ... 
doi:10.3390/bs12060176 pmid:35735386 pmcid:PMC9219977 fatcat:m3sg74okovemfnypudmtk6p244

D4.2 - PIXEL Models v2

Ignacio Lacalle, Benjamín Molina, Gilda De Marco, Paolo Casoto, Manuel Devescovi, Charles Garnier, Erwan Simon, Florian Bréhain, Deborah Mille, Luka Traven, Igor Kegalj, Stjepan Piličić (+6 others)
2021 Zenodo  
This deliverable is focused on PIXEL Models.  ...  It includes a description of the overall methodology for the environmental management of port and a description of the models, algorithms and numerical methods for each model.  ...  area, …), ● Ships (ballast, grey and black waters), etc.  ... 
doi:10.5281/zenodo.5845501 fatcat:j4lfwo3qzva35nifgw3ugzo3pu

Research on the Pathway of Green Financial System to Implement the Realization of China's Carbon Neutrality Target

Gaoweijia Wang, Shanshan Li, Li Yang
2022 International Journal of Environmental Research and Public Health  
neutrality. (2) The grey prediction GM (1,1) model is used to forecast the data of carbon dioxide emissions, green credit balance, green bond issuance scale and green project investment in China from  ...  Based on the results of the research above, this paper provides a supported path of implementing the realization of the carbon-neutral target of China from the perspective of developing and improving green  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/ijerph19042451 pmid:35206639 pmcid:PMC8872555 fatcat:xw5prejtrbhvta2zbdhrr22vou

Assessing potential loss and damage for flood hazard using an econometric modelling technique

Senaka Basnayake, Mehmet Ulubasoglu, Muhammad Habibur Rahman, Sarath Premalal, Lalith Chandrapala, Madan Lall Shrestha, Susantha Jayasinghe, Niladri Gupta
2021 APN Science Bulletin  
The present study focusses on using a zrandomized field experimental approach at both district and micro agricultural-plot levels to investigate the impact of floods on agricultural yields in Sri Lanka  ...  Agriculture production largely depends on weather conditions and is extremely prone to natural hazards.  ...  We acknowledge the international modeling groups for providing their data for analysis-the  ... 
doi:10.30852/sb.2021.1499 fatcat:mrxub2d2gjdh3fl2rjkeipgvvu

Sustainable Drainage Systems [chapter]

Neil Berwick
2016 Sustainable Surface Water Management  
The authors also thank Bill Lucas, who is chairing an American Society of Civil Engineer's Task Committee focusing on computational models for use in LID, for his insight.  ...  Department of Agriculture Mid Atlantic Water Program research project: "Evaluation of Bioretention Recipes for Sequestering Stormwater Nitrogen and Phosphorus."  ...  Urban water management strategies based on a total urban water cycle model and energy aspects-Case study for Tel Aviv. Urban Water J. 2011, 8, 103-118. 17.  ... 
doi:10.1002/9781118897690.ch4 fatcat:3gizoj2cffdnjjekbemzydv7um

Table of Contents

2020 2020 IEEE 4th Conference on Energy Internet and Energy System Integration (EI2)  
Urban Energy Transformation Based on ISM and AHP 4363 Po12-42 Research on Optimal Allocation Method of Energy Storage Considering Supply and Demand Flexibility and New Energy Consumption Po12-43 Failure  ...  Model Considering N-1 Security Criterion for Hybrid AC/DC Power Systems 1473 Po02-05 Heat Pumps Optimal Scheduling Based on Equivalent State Space Thermal Model 1479 Po02-06 Research on Real-time  ... 
doi:10.1109/ei250167.2020.9347098 fatcat:uzijufuzb5ab3blgftr5niughe

Modeling Cryptosporidium and Giardia in Ground and Surface Water Sources in Rural India: Associations with Latrines, Livestock, Damaged Wells, and Rainfall Patterns

Miles E. Daniels, Woutrina A. Smith, Wolf-Peter Schmidt, Thomas Clasen, Marion W. Jenkins
2016 Environmental Science and Technology  
CHAPTER 2 PLANNING VISION The vision for urban sanitation in India as mentioned in the National Urban Sanitation Policy (2008) of Government of India is: 'All Indian cities and towns become totally sanitized  ...  Longterm plans should be formulated for a target of 30 years from the base year.  ...  With very poor sewerage networks, a large number of urban poor still depend on public toilets.  ... 
doi:10.1021/acs.est.5b05797 pmid:27310009 pmcid:PMC5058636 fatcat:adkcu53awffnpmynakr7bhj7um

Long term simulations of macronutrients (C, N and P) in UK freshwaters

V.A. Bell, P.S. Naden, E. Tipping, H.N. Davies, E. Carnell, J.A.C. Davies, A.J. Dore, U. Dragosits, D.J. Lapworth, S.E. Muhammed, J. Quinton, M. Stuart (+4 others)
2021 Science of the Total Environment  
Overall, modelling indicates that >75% of C, N and P entering freshwaters goes directly to the coastal waters, with 15-20% of C & N removed in river processes.  ...  These results constitute the first process-j o u r n a l h o m e p a g e : w w w . e l s e v i e r . c o m / l o c a t e / s c i t o t e n v based integrated modelling assessment of freshwater macronutrient  ...  The authors would like to thank UKCEH's Alison Kay for help preparing the historical rainfall data, Adam Griffin for advising on an appropriate statistic to evaluate model performance, and also David Cooper  ... 
doi:10.1016/j.scitotenv.2021.145813 fatcat:yziliay57fa3rkj537wds5v47m

Quantity of plastic waste input into the ocean from China based on a material flow analysis model

Mengyu Bai, Daoji Li
2020 Anthropocene Coasts  
However, determining an accurate quantity of oceanic plastics is challenging because comprehensive monitoring data are difficult to obtain on national and global scales.  ...  The model assesses the lifecycle of plastics, which starts with primary plastic, passes the stage of plastic product, and eventually becomes plastic waste.  ...  In addition, Miriam Diamond (University of Toronto) kindly offered to review section 4.4, at short notice. Any omissions or errors remain the responsibility of the editors.  ... 
doi:10.1139/anc-2018-0028 fatcat:5a7k34skavfy3enul73ff6y7sa

Journal of Sustainable development, Vol. 1, No. 3, November 2008, all in one file

Editor JSD
2009 Journal of Sustainable Development  
Acknowledgement The authors gratefully acknowledge the financial assistance from Universiti Sains Malaysia and the research facilities by Dean School of Industrial Technology, USM.  ...  Prediction of Shanghai's population Establishment of grey model Supposing the original population time sequence is (0) (0) (0) (0) [ (1), (2), , ( )] x x x x n = and the time sequence (0) x through  ...  Grey optimal model To select a suitable model, we single out 4-10 dimensions short series to construct models of grey optimal model and carry on experimental prediction to the fact value of 2007 Shanghai  ... 
doi:10.5539/jsd.v1n3p0 fatcat:w7yg7k5vuvcs5ffgcgy37yrgha
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