搜索结果: 1-15 共查到“环境科学技术 water quality”相关记录21条 . 查询时间(0.046 秒)
SPATIAL AND TEMPORAL DYNAMICS OF LAND USE IMPACTS ON WATER QUALITY IN WATERSHED SYSTEMS
Land use change modeling watershed tradeoffs water quality
2014/12/11
SPATIAL AND TEMPORAL DYNAMICS OF LAND USE IMPACTS ON WATER QUALITY IN WATERSHED SYSTEMS SEPTEMBER 2007 OLGA TSVETKOVA, B.S., NOVGOROD STATE UNIVERSITY, RUSSIA M.S., UNIVERSITY OF MASSACHUSETTS AMHERST...
New Technique Allows Frequent Water Quality Monitoring For Suite of Pollutants（图）
Suite of Pollutants Water Quality Monitoring
2014/3/20
Researchers from North Carolina State University have developed a new technique that uses existing technology to allow researchers and natural resource managers to collect significantly more informati...
Impacts of Pig Manure-Based Liquid Fertilizer Agricultural Application on the Water Quality of Agricultural Catchment
Liquid Fertilizer Livestock Manure Paddy Field Upland Water Quality
2013/3/9
This study was conducted to understand the effect of the livestock liquid fertilizer treatment at field-scale up to catchment-scale on the water quality properties. Cultivated paddy rice and upland pl...
Assessment of Water Quality of Euphrates River Using Cluster Analysis
Cluster Analysis Surface Water Euphrates River Iraq
2013/3/12
Multivariate statistical method including cluster analysis (CA) was used to assess temporal and spatial variations in the water quality of Euphrates River, Iraq, for a period 2008-2009 using 16 parame...
Statistical Analysis of Bursa Nilufer Creek抯 Water Quality Parameters for Period of 2002-2010
Water Quality Nil黤er Creek Statistical Method Principal Component Analysis
2013/3/11
Increasing contamination of water resources in the world and our country and decreasing water quality over time, not having met the objectives of utilization of water resources; it has increased the i...
Spatial and Temporal Variation in Water Quality of River Benue, Nigeria
River Benue Water Quality and Variation
2013/3/11
The study investigates the spatial and temporal variation in water quality parameters at ten different locations along River Benue for twelve consecutive months. In order to explore the spatial variat...
Water Quality Assessment of Jose Antonio Alzate Dam, the Lerma River and Its Tributaries in the State of Mexico, Mexico
Water Quality Copper Lead Partition Coefficients Chemical Speciation
2013/3/11
Water quality was evaluated at sites of the Jose Antonio Alzate Dam, the rivers Lerma, Tejalpa and Temoaya in the State of Mexico, Mexico. The variables measured included pH, conductivity, temperature...
Sensitivity Analysis of Parameters in Water Quality Models and Water Environment Management
Water Quality Model Reclaimed Water Sensitivity Analysis Degradation Coefficient Stochastic Factors
2013/3/11
The impacts of changes of various parameters and stochastic factors on water quality models were studied. The impact of deviation of the degradation coefficient on the model results was investigated. ...
Review on the Book: Advances in Water Quality Control
Book Review Advances in Water Quality Control
2013/3/11
Water pollution is a steadily worsening problem because of growth in the chemical, pharmaceutical, leather, textile, and mining industries. In addition, municipal wastewater further contributes to pol...
Water Quality Assessment of the Owena Multi-Purpose Dam, Ondo State, Southwestern Nigeria
Water Physicochemical Characteristics Microbiology Heavy Metals Owena Multi-Purpose Dam
2013/3/11
Composite water samples taken from Owena Multi-purpose Dam in six sampling campaigns covering the wet and dry seasons were analyzed for physico-chemical and microbial characteristics using standard me...
Water Quality and Heavy Metal Monitoring in Water, Sediments, and Tissues of the African Catfish Clarias gariepinus (Burchell, 1822) from the River Nile, Egypt
Water Quality Sediment River Nile Clarias gariepinus Heavy Metals Aquatic Pollution
2013/3/13
Water quality of the river Nile and trace elements of the water, sediments and fish tissues were investigated in the current work. Eighteen different sampling points were selected along the whole cour...
Detection of Water Quality Trends in The Rivers of the Susurluk Basin
Homogeneity test Mann-Kendall test Seasonal Kendall test Sen's T test Susurluk Basin
2009/10/14
In recent years, some non-parametric tests to determine trends of surface water quality have been proposed due to the fact that assumptions in the classical parametric tests (i.e., normality, linearit...
Interpretation of Water Quality Data by Principal Components Analysis
Multivariate analysis principal components analysis quality variables river-basin
2009/10/14
A variety of methods are being used to display the information which is concealed in the quality variables observed in a water quality monitoring network. A large portion of these approaches are stati...
Research on Bottom Sediment and Water Quality of Samsun-Mert Stream at the Discharge into the Black Sea
Surface Sediment Mert Stream environmental Pollution Wastewater
2009/10/14
The aim of this study was to determine the sediment and the water quality of the Mert stream which has
a high amount of discharge to the Black Sea from Samsun and also the determination of the enviro...
Entropy-Based Assessment of Water Quality Monitoring Networks
Water quality monitoring Design of monitoring networks Entropy Hydrologic information
2009/10/13
Assessment of water quality monitoring networks requires potential methods to delineate the efficiency and cost-effectiveness of current monitoring programs. To this end, the concept of entropy has be...