نتایج جستجو برای: high turbidity

تعداد نتایج: 2063698  

2001
N. C. P.

The ~roblem of assessment of atmospheric turbidity caused by aerosol particles, vie., dust, smoke, haze, and other atmospheric pollutants, apart from the effect of variable water vapour content of the atmosphere, has been studied efreeh. The basic concept mderlying Linke's turbidity factor, T , has been found to be theoretically sound, dthough its quantitative formulation suffers from one major...

Journal: :Open Engineering 2023

Abstract Turbidity is a fundamental measure for assessing the quality of water supplied by treatment plants (WTPs) employing conventional process. If it present in amounts exceeding permitted limit, disinfectants are less effective killing microorganisms and becomes unsafe to drink. This article part comprehensive study that aims investigate high-turbidity problem tap two cities Najaf governora...

Journal: :Water research 2012
Menghua Wang Carl J Nim Seunghyun Son Wei Shi

This paper describes the use of ocean color remote sensing data from the Moderate Resolution Imaging Spectroradiometer (MODIS) onboard the Aqua satellite to characterize turbidity in Lake Okeechobee and its primary drainage basins, the Caloosahatchee and St. Lucie estuaries from 2002 to 2010. Drainage modification and agricultural development in southern Florida transport sediments and nutrient...

Journal: :Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering) 2011

Journal: :Computers & Geosciences 2018
Jose J. Camata Vítor Silva Sousa Patrick Valduriez Marta Mattoso Alvaro L. G. A. Coutinho

Turbidity currents are underflows responsible for sediment deposits that generate geological formations of interest for the oil and gas industry. libMesh-sedimentation is an application built upon the libMesh library to simulate turbidity currents. In this work, we present the integration of libMesh-sedimentation with in situ visualization and in transit data analysis tools. DfAnalyzer is a sol...

2010
Toyoshi Shimomai Yuzuru Endo Kyohei Sakai Yuji Sakuno Toshiaki Kozu

We have been studying the turbidity estimation for Lakes Shinji and Nakaumi, Shimane Prefecture Japan using satellite sensors. Recently, we have developed a turbidity monitoring system for this area using near-real-time MODIS 250-m resolution band reflectance data which have been provided from Japan Aerospace Exploration Agency (JAXA). MODIS sensors on-board the Terra and Aqua satellites visit ...

2003
Alex De Robertis Clifford H. Ryer Adriana Veloza Richard D. Brodeur

Contrast degradation theory predicts that increased turbidity decreases the visibility of objects that are visible at longer distances more than that of objects that are visible at short distances. Consequently, turbidity should disproportionately decrease feeding rates by piscivorous fish, which feed on larger and more visible prey than particle-feeding planktivorous fish. We tested this predi...

Background & Aims of the Study: Drinking polluted water can transmit diseases, so potable water treatment is one of the most challenging and complex systems in countries. Continuous monitoring for evaluation process in water treatment plant is important. This study aims to investigate performance evaluation of Qom water treatment plant to remove turbidity and coliform in 2005 - 2014. Materia...

2009
BRET C. HARVEY STEVEN F. RAILSBACK

—We explored the effects of elevated turbidity on stream-resident populations of coastal cutthroat trout Oncorhynchus clarkii clarkii using a spatially explicit individual-based model. Turbidity regimes were contrasted by means of 15-year simulations in a third-order stream in northwestern California. The alternative regimes were based on multiple-year, continuous monitoring in two streams. Tur...

Amin Bagheri, Mehdi Vosoughi Niri, Mohammad Khazaei, Nader Yousefi, Nezam Mirzaei,

Background & Aims of the Study:  Lack of access to safe drinking water can lead to undesirable aesthetic problems and adverse health effects such as infectious diseases. The aim of this study was to investigate the microbiological quality of the drinking water distribution network in Divandareh City (Kordestan-western Iran). Materials & Methods:  This study was ...

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