نتایج جستجو برای: river training

تعداد نتایج: 400668  

2010
David A. Swayne Wanhong Yang A. A. Voinov Wendy D. Welsh Dugald Black

This paper describes the approach being used to engage stakeholders for the development of the River Manager river systems modelling tool, which is designed to simulate river system hydrology and water management rules for water management planning. River Manager software is being developed to replace three river system models (MSM-Bigmod, REALM, IQQM) that are currently applied in different pa...

Journal: :Computers & Geosciences 2014
Adam P. Piotrowski Marzena Osuch Maciej J. Napiorkowski Pawel M. Rowinski Jaroslaw J. Napiorkowski

Nature-inspired metaheuristics found various applications in different fields of science, including the problem of artificial neural networks (ANN) training. However, very versatile opinions regarding the performance of metaheuristics applied to ANN training may be found in the literature. Both nature-inspired metaheuristics and ANNs are widely applied to various geophysical and environmental p...

2002
RICHARD CHIBANGA JEAN BERLAMONT JOOS VANDEWALLE

This paper presents an alternative approach to time series forecasting, through use of artificial neural networks (ANNs), a relatively new concept in hydrological research. Box and Jenkins ARMAX (autoregressive moving average with exogenous inputs) models have been widely used in modeling various time series with satisfactory results. This study shows that ANNs can produce comparable, to ARMAX,...

2011
D. Klein S. Asam U. Gessner S. Dech

Mountainous regions are especially vulnerable to climate and land use change. For a monitoring of subtle changes detailed and continuous land cover information is necessary. Therefore vegetation cover fractions are derived for the Naryn river catchment in Kyrgyzstan using a remote sensing multi-scale approach. First a very high resolution QuickBird image is classified into discrete classes usin...

ژورنال: آبخیزداری ایران 2019

Estimation of changes in water quality parameters including electrical conductivity along a river is essential. In this paper, ANN and ANFIS-SC were used to estimate the ECs of the Nekarood River, North Iran, from 1992-2013. The study period was divided into two periods of dry and wet, based on the river flow rate. Then, Using the PCA, the effective parameters in EC estimation were determined...

Journal: :Coastal Engineering Proceedings 1968

Journal: :IOP conference series 2023

Abstract The construction of river training structures has a local influence on hydraulic and sediment regimes. River is simply to modify the dimensions patterns channels, bars, pools. Many scientists have applied developed methods identify suitable techniques for training. In this paper 60 scientific papers were reviewed, through review, researchers divided according method using model problem...

Journal: :Conservation biology : the journal of the Society for Conservation Biology 2006
Ding Wang Xianfeng Zhang Kexiong Wang Zhuo Wei Bernd Würsig Gillian T Braulik Susie Ellis

DING WANG,∗†† XIANFENG ZHANG,∗ KEXIONG WANG,∗ ZHUO WEI,∗ BERND WÜRSIG,† GILLIAN T. BRAULIK,‡ AND SUSIE ELLIS§ ∗Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China †Texas A&M University, 4700 Avenue U, Building 303, Galveston, TX 77551, U.S.A. ‡Downstream Research Group, 3950 S. Fletcher Avenue, Amelia Island, FL 32034, U.S.A. §Conservation International, 1919 M Street, S...

Journal: :Epidemiology and infection 2012
A K Werner S Goater S Carver G Robertson G R Allen P Weinstein

In Australia, Ross River virus (RRV) is predominantly identified and managed through passive health surveillance. Here, the proactive use of environmental datasets to improve community-scale public health interventions in southeastern Tasmania is explored. Known environmental drivers (temperature, rainfall, tide) of the RRV vector Aedes camptorhynchus are analysed against cumulative case record...

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