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Prediction of scour caused by 2D horizontal jets using soft computing techniques

Masoud Karbasi, H. Md. Azamathulla
2017 Ain Shams Engineering Journal  
This paper presents application of five soft-computing techniques, artificial neural networks, support vector regression, gene expression programming, grouping method of data handling (GMDH) neural network  ...  and adaptive-network-based fuzzy inference system, to predict maximum scour hole depth downstream of a sluice gate.  ...  Support vector regression Classification of data is a routine task in data-driven modeling. Utilizing support vector machines, we can apart classes of data by a hyper plane.  ... 
doi:10.1016/j.asej.2016.04.001 fatcat:jl276on63fdm5gl5nr5tc6iyxm

Cardiff Bay barrage and managing the impounded water quality [chapter]

R Falconer, B Lin
2004 Hydraulics of Dams and River Structures  
the vertical plane.  ...  Extensive further research was undertaken by Kashefipour et al. (2002) and Lin et al. (2003) where extensive field data of faecal coliform levels were used, together with artificial neural networks  ... 
doi:10.1201/b16994-59 fatcat:nevjljwhebhbxczfepekjbsiua

Construction of a Large Visual Landscape Design Platform considering Low-Carbon Environmental Protection Based on Nanomaterials

Xiaopei Chen, Lakshmipathy R
2022 Journal of Nanomaterials  
Due to the diversity of design data, the display effect of landscape design is not ideal.  ...  Based on the analysis of the requirements of low-carbon landscape design, this paper constructs the hardware condition based on the data acquisition sensor, digital controller, image scanner, data storage  ...  Instead of the traditional manual drawing, it can control the data and program and change the external shape of the model.  ... 
doi:10.1155/2022/8836835 fatcat:axnqaf3vabhsngi4c5mw7biqma

Structure and Stress-Strain Relationship of Soft Tissues

1984 American Zoologist  
The capillary blood vessels of the mesentery are "rigid"; those in the bat's wing are "distensible"; whereas the capillaries of the lung are "sheet" like: rigid in one plane, and compliant in another.  ...  (with two sluicing sections) urethra.  ...  The site of flow limitation, or sluicing gate, must be located at the junctions of capillaries and venules.  ... 
doi:10.1093/icb/24.1.13 fatcat:fwg7ols74fd4dj4baogcwa5caq

Towards a smart automated surface irrigation management in rice-growing areas in Italy

Daniele Masseroni, Jasim Uddin, Reece Tyrrell, Iven Mareels, Claudio Gandolfi, Arianna Facchi
2017 Journal of Agricultural Engineering  
A water level sensor in the field provides the data required to govern the inflow regulation gate in real-time, according to the precise time to cut off the flow rate.  ...  Using a dedicated web page, the farmer can control flows, volumes and water levels in the fields by operating directly on the gate if necessary or setting the irrigation program according to his agronomic  ...  There is only one FarmConnect® Gateway in the network, and it is responsible for collecting data from all of the other units, communicating with the server, and managing the irrigation program.  ... 
doi:10.4081/jae.2017.585 fatcat:g3y56ztx5rfcllyuihzbhhqjla

Monitoring Water Quality of the Haihe River Based on Ground-Based Hyperspectral Remote Sensing

Qi Cao, Gongliang Yu, Shengjie Sun, Yong Dou, Hua Li, Zhiyi Qiao
2021 Water  
In recent years, remote sensing has been widely used in water quality monitoring.  ...  The Haihe River is a typical sluice-controlled river in the north of China.  ...  It is a multi-layer forward network for the weight training of nonlinear differentiable functions. It is the most widely used neural network at present.  ... 
doi:10.3390/w14010022 fatcat:q6snh5xf3bd6rmrdsoicmbacma

Impacts of the eastern route of the South-to-North Water Diversion Project emergency operation on flooding and drainage in water-receiving areas: an empirical case in China

Kun Wang, Zongzhi Wang, Kelin Liu, Liang Cheng, Lihui Wang, Ailing Ye
2019 Natural Hazards and Earth System Sciences  
Second, the model was calibrated and verified with measurement data, and the results showed that the model was efficient and presented a Nash–Sutcliffe efficiency coefficient (NSE) between 0.65 and 0.99  ...  This study was financially supported by the National Key Research and Development Program of China (2017YFC0403504) and the National Science Foundation of China under grant nos. 51479119 and 51579064.  ...  First, we generalized the river network by considering the data and computational efficiency. This river network primarily contains 11 rivers, with drainage areas greater than 1000 km 2 .  ... 
doi:10.5194/nhess-19-555-2019 fatcat:ncmde25khrb5hmcecrb6z2oqqy

Classification scheme for surface textures of gold nuggets from Finnish Lapland

K.A. Kinnunen
1996 Bulletin of the Geological Society of Finland  
Finland 68, Part 2,[18][19][20][21][22][23][24][25][26][27][28][29][30][31][32][33] A study was made of the surface textures of about 100 gold nuggets (diameter 2-56 mm) sluiced and panned in the Lemmenjoki  ...  The markings are surrounded by a wide area of deformation lamellae (in simulation gold surfaces). These lamellae are considered to originate as slip planes in the gold lattice.  ...  In combination with chemical data and petrophysical measurements the study of surface textures forms the basis of a nondestructive analytical procedure developed at the Geological Survey of Finland for  ... 
doi:10.17741/bgsf/68.2.002 fatcat:davepg75sjclrdakmatduk4lr4

Placer Mining Along The Fraser River, British Columbia: The Geomorphic Impact

Andrew Nelson, Michael Church
2017 Zenodo  
The variables 'mine area' and 'mine volume' appear, on the basis of limited data, to be approximately log-normally distributed for sluice sites and for aggregated groundsluice and hydraulic sites that  ...  At mines operating by means of sluicing, sediment is shoveled into sluice boxes; at ground sluices, a stream is diverted to erode material that is then flushed into a sluice box; and at hydraulic mines  ...  Part of these data are published in Mclean (1990) , and part are unpublished data by Church.  ... 
doi:10.5281/zenodo.898192 fatcat:fzqs52zqmjalph5guxqykc4nve

An Integration Avenue of Ground Monitoring Based on Wireless Sensor Networks

Young-Joo Kim, Sungmin Hong, Jong-uk Lee, Sejun Song, Daeyoung Kim
2013 International Journal of Distributed Sensor Networks  
Specifically, we offer the standardization of sensing data formats using IP-WSN and database interfaces using EPC sensor network, which enable a spontaneous and systematic integration among the legacy  ...  Also, we categorize network topology according to topographic characteristics thereby helping deploy sensor nodes on the real environment.  ...  sluice gates.  ... 
doi:10.1155/2013/395746 fatcat:bbqcaqvnjrab3f2jqxleficphe

A toolkit for optimizing fish passage barrier mitigation actions

Steven King, Jesse R. O'Hanley, Lynda R. Newbold, Paul S. Kemp, Matthew W. Diebel, Jani Heino
2016 Journal of Applied Ecology  
The National Flood and Coastal Defense Database (NFCDD), a catalog of weirs, sluice gates, locks, and culverts. 3.  ...  In this paper, we present a combined modeling approach involving statistical regression methods and mixed integer linear programming to maximize resident sh species richness within a catchment through  ...  Data Accessibility Fish sampling data, barrier data, and OPL optimization model code used in used in this study are available from the Dryad Digital Repository doi: 10.5061/dryad.46vf8 (King et al., 2016  ... 
doi:10.1111/1365-2664.12706 fatcat:hj2trbdmefctve47xxgdpj7y3e

Distributed-Framework Basin Modeling System: I. Overview and Model Coupling

Chuanhai Wang, Wenjuan Hua, Gang Chen, Xing Fang, Xiaoning Li
2021 Water  
Based on the underlying source code, the sharing uniform data structure, named DOSS, is proposed to accomplish the integration of a hydrological model and geographical information system (GIS), which is  ...  Data Availability Statement: Not applicable. Conflicts of Interest: The authors declare no conflict of interest.  ...  The data structure of DOSS can be clearly shown in the programming of a twodimensional river.  ... 
doi:10.3390/w13050678 fatcat:f3qyl5p6wzfojc3qslh5c7ccbi

Development of smart boulders to monitor mass movements via the Internet of Things: a pilot study in Nepal

Benedetta Dini, Georgina L. Bennett, Aldina M. A. Franco, Michael R. Z. Whitworth, Kristen L. Cook, Andreas Senn, John M. Reynolds
2021 Earth Surface Dynamics  
The data can be transmitted in real time via a long-range wide-area network (LoRaWAN®) gateway to a server.  ...  Nine of the tagged boulders registered patterns in the accelerometer data compatible with downslope movements.  ...  Shuva Sharma and Pawan Timsina from Scott Wilson Nepal (SWN) provided support during the initial phases of the work, network installation, and organising dissemination workshops for the project.  ... 
doi:10.5194/esurf-9-295-2021 fatcat:xr6cr7ua5fcarg6nvlw43oocve


Fevzi Onen
2014 Journal of Environmental Engineering and Landscape Management  
Side-weirs have been widely used in hydraulic and environmental engineering applications.  ...  on genetic algorithms (GA) and genetic programming (GP).  ...  The main flume is 0.40 m wide and a 0.55 m deep with a well-finished aluminium bottom. The discharge collection flume is 0.55 m deep, 0.50 m wide and situated parallel to the main flume.  ... 
doi:10.3846/16486897.2013.865632 fatcat:sd5hmfycvja4nppexflk5ay6ja

Study on Optimal Allocation of Water Resources Based on Surrogate Model of Groundwater Numerical Simulation

Wang, Cui, Shao, Zhang
2019 Water  
; the improved BP neural network was trained with the groundwater level drawdown–pumping volume data output of the simulation model.  ...  The results show that the water level drawdown output of the improved BP neural network model fits the results of the simulation model well, showing that the improved BP neural network can effectively  ...  Lastly, n groups of water level pumping volume data were used as training data for the improved BP neural network. (2) The Improved BP Neural Network The BP neural network has a simple structure, stable  ... 
doi:10.3390/w11040831 fatcat:hvofxfnfmfc3xmbaxv3pvrndni
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