搜索结果: 1-15 共查到“理学 Water quality”相关记录80条 . 查询时间(0.234 秒)
Calibration and quantifying uncertainty of daily water quality forecasts for large lakes with a Bayesian joint probability modelling approach
BJP large lakes water qualit
2021/7/28
Correcting the systematic bias and quantifying uncertainty associated with the operational water quality forecasts are imperative works for risk-based environmental decision making.
Clear Lakes Disguise Impaired Water Quality（图）
Clear Lakes Disguise Impaired Water Quality
2017/10/25
Look at a hundred lakes in the agricultural heartland of the United States and you will likely see green lakes surrounded by green fields. The nitrogen and phosphorus in agricultural fertilizers that ...
Projected precipitation increases are bad news for water quality（图）
precipitation increases bad news for water quality
2017/9/1
Increased precipitation from a changing climate could pollute U.S. waterways with excess nitrogen, increasing the likelihood of severe water quality impairment from coast to coast, according to a new ...
Groundwater Flow Model and Particle Track Analysis for Selecting Water Quality Monitoring Well Sites,and Soil Sampling Profiles
Mechanic villages heavy metals modelling pollution studies Imo River basin
2015/8/14
Researchers often use only surface drainage (imperical method) as a tradition to locate sites for installation of water quality monitoring wells, and soil sampling profile for pollution studies in urb...
Application of Chemical Mass Balance to Water Quality Data of Malaprabha River
Mass balance Salinity advection base flow
2015/8/6
Mass balance calculations carried out for Na, K, Ca, Mg, Cl, SO4 and HCO3 for the study area showed that the major source of contamination is through non-point sources. It is also observed that the ri...
Satellite Monitoring of Inland and Coastal Water Quality: Retrospection, Introspection, Future Directions
Retrospection Introspection Future Directions
2015/7/23
Note the title of this book. It is about remote sensing of coastal and inland "Case 2" waters, not the open ocean. It is a book of commentary about remote sensing, not a text where you learn how to do...
CAN SINGLE EMPIRICAL ALGORITHMS ACCURATELY PREDICT INLAND SHALLOW WATER QUALITY STATUS FROM HIGH RESOLUTION, MULTI-SENSOR, MULTI-TEMPORAL SATELLITE DATA?
Landsat Reflectance Earth observation Monitoring
2015/5/7
Assessing and monitoring water quality status through timely, cost effective and accurate manner is of fundamental importance for numerous environmental management and policy making purposes. Theref...
REMOTE SENSING DATA ASSIMILATION IN WATER QUALITY NUMERICAL MODELS FOR SIMULATION OF WATER COLUMN TEMPERATURE
data assimilation numerical model water temperature
2015/1/16
Numerical models are important tools for simulating processes within complex natural systems, such as hydrodynamics and water quality processes within a water body. From decision makers’ perspectives,...
Combining Multivariate Statistical Methods and Spatial Analysis to Characterize Water Quality Conditions in the White River Basin, Indiana, U.S.A.
linear discriminant analysis principal component analysis water quality
2015/1/16
This research performs a comparative study of techniques for combining spatial data and multivariate statistical methods for characterizing water quality conditions in a river basin. The study has bee...
Groundwater Flow Model and Particle Track Analysis for Selecting Water Quality Monitoring Well Sites, and Soil Sampling Profiles
modelling pollution studies Imo River basin
2015/1/8
Researchers often use only surface drainage (imperical method) as a tradition to locate sites for installation of water quality monitoring wells, and soil sampling profile for pollution studies in urb...
Application of Chemical Mass Balance to Water Quality Data of Malaprabha River
Mass balance Salinity advection base flow
2015/1/4
Mass balance calculations carried out for Na, K, Ca, Mg, Cl, SO4 and HCO3 for the study area showed that the major source of contamination is through non-point sources. It is also observed that the ri...
Stable isotope estimates of evaporation : inflow and water residence time for lakes across the United States as a tool for national lake water quality assessments
inflow water residence
2014/11/28
We used water d2H and d18O from ca. 1000 lakes sampled in the 2007 U.S. Environmental Protection Agency’s
National Lakes Assessment (NLA) to assess two hydrological variables—evaporation as a percent...
GIS approach in assessing the status of neritic water quality and petroleum hydrocarbons in Bay of Bengal (From Chennai to Nagapattinam, Tamilnadu), India
GIS coastal water quality petroleum hydrocarbons wind direction wetland
2014/11/26
Neritic coastal water samples, collected onboard in Ocean Research Vessel (Sagar Purvi,
NIOT) at a depth of 15m from the shore in August, 2010 at 15 coastal stations (opposite to
the river mouths,...
Assessment and mapping of water quality index in Prakasam district, A.P. using geographical information systems
Ground water water quality parameters water quality index spatial distribution,
2014/11/24
Assessment of the ground water quality has always been paramount in the field of
environmental quality management. Some of the villages in Prakasam District have a special
significance and needs g...
The Selection of Narrow Wavebands for Optimizing Water Quality Monitoring on the Great Miami River, Ohio using Hyperspectral Remote Sensor Data
remote sensing hyperspectral chlorophyll turbidity
2014/11/12
Remote sensing data were successfully used to estimate spatial and temporal variation of optical
water quality parameters such as chlorophyll a, turbidity and Total Suspended Solids (TSS) of
the Gre...