搜索结果: 181-195 共查到“知识库 水文物理学”相关记录452条 . 查询时间(0.89 秒)
How much does inclusion of non-linearity and multi-point pattern recognition improve the spatial mapping of complex patterns of groundwater contamination?
inclusion of non-linearity multi-point pattern recognition spatial mapping complex patterns
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2009/10/30
In this brief communication, we discuss the implication of the hypothesis that "non-linearity and multi-point pattern recognition can improve the spatial mapping of complex patterns of groundwater con...
Characterizing water fingering phenomena in soils using magnetic resonance imaging and multifractal theory
water fingering phenomena magnetic resonance imaging multifractal theory
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2009/10/30
The study of water movement in soils is of fundamental importance in hydrologic science. It is generally accepted that in most soils, water and solutes flow through unsaturated zones via preferential ...
AN ESTIMATION OF EVAPOTRANSPIRATION BY MEANS OF THE WATER BALANCE OF A SOIL COLUMN
ESTIMATION OF EVAPOTRANSPIRATION MEANS OF THE WATER BALANCE SOIL COLUMN
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2009/10/30
In this paper water-balance studies of a soil column at an observation site
at Ulvsunda, Stockholm, are reported. The change of the water storage in
the soil was obtained from soil moisture measurem...
AN IMPLEMENTATION OF STAGE-FALL-DISCHARGE RELATIONSHIP ON DIGITAL COMPUTERS
IMPLEMENTATION STAGE-FALL-DISCHARGE RELATIONSHIP DIGITAL COMPUTERS
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2009/10/30
The stage-discharge relation is defined by the complex interaction of channel
characteristics, including area, shape, slope, and roughness of the cross-section.
The combination of these effects has ...
AIRCRAFT GAMMA-RAY SURVEY OF SNOW COVER
AIRCRAFT GAMMA-RAY SURVEY SNOW COVER
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2009/10/29
The physical basis for and the various methods of measuring the water
equivalent of the snow cover by means of gamma-rays survey from aircraft
are discussed.Problcms of mapping the water equivalent ...
COMPARISON OF DIMENSIONLESS UNIT HYDROGRAPHS IN THAILAND AND TAIWAN
COMPARISON DIMENSIONLESS UNIT HYDROGRAPHS THAILAND TAIWAN
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2009/10/29
The characteristics of dimensionlcss unit hydrographs were derived from
floods from watersheds smaller than 1000 square kilometers locatcd in
Thailand. The dimensionless unit hydrographs were expres...
THREE-DIMENSIONAL STABILITY ANALYSIS OF OPEN CHANNEL FLOW OVER AN ERODIBLE BED
THREE-DIMENSIONAL STABILITY ANALYSIS OPEN CHANNEL FLOW ERODIBLE BED
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2009/10/29
The formation oP ripples and dunes (lower range bed waves) is assumed to
be related to the transport of sediment as bed load. From the present
theory it is concluded that the formation of the upper ...
THE STOCHASTIC APPROACH TO WATERSHED MODELING
STOCHASTIC APPROACH WATERSHED MODELING
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2009/10/29
The stochastic approach to watershed modeling refers to the techniques
used to generate synthetic hydrologic data. These data may be used either
for input to a parametric watershed model or to provi...
THE PARAMETRIC APPROACH TO WATERSHED MODELING
PARAMETRIC APPROACH WATERSHED MODELING
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2009/10/29
The parametric approach to watershed modeling is shown to lie between
the stochastic and deterministic approaches. Essentially, the parametric
approach attempts to find functional relationships betw...
DETERMINISTIC APPROACH TO WATERSHED MODELING
DETERMINISTIC APPROACH WATERSHED MODELING
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2009/10/29
Physically-based, deterministic models, are considered in this paper.
Physically-based, in that the models have a theoretical structure based
primarily on the laws of conservation of mass, energy, o...
MECHANISM OF GROUND WATER RESERVOIRS
MECHANISM GROUND WATER RESERVOIRS
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2009/10/29
The article deals with unsteady ground water flow in an aquifer of limited
horizontal extent. The changes in storage are taken to be dependent
on a storage coefficient S, and flow rates are taken to...
A STOCHASTIC MODEL DESCRIBING THE WATER MOTION IN A RIVER
STOCHASTIC MODEL WATER MOTION
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2009/10/29
In this paper a mathematical model for the movement of water particles
in a river is constructed.
Using the model it will be possible to find an analytic expression for the
distribution function F(...
STOCHASTICITY IN GEOPHYSICAL AND HYDROLOGICAL TIME SERIES
STOCHASTICITY GEOPHYSICAL AND HYDROLOGICAL TIME SERIES
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2009/10/29
Most time processes within the atmosphere and oceans, and along the
water cycle are periodic-stochastic processes, with the physical basis of
the periodicity derived from astronomic cycles and the s...
CONTROLLED ATMOSPHERIC CONVECTION IN AN ENGINEERED STRUCTURE
CONTROLLED ATMOSPHERIC CONVECTION ENGINEERED STRUCTURE
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2009/10/29
The momentum theorem of classical hydrodynamics is applied to a scheme
for controlled atmospheric convention within a vertical tubc of large
height and diameter, open at both ends, lor which the nam...
PREDICTION OF THE DIMENSIONLESS UNIT HYDROGRAPH
PREDICTION DIMENSIONLESS UNIT HYDROGRAPH
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2009/10/29
Much attention has been given to rationalizing the dimensionless unit hydrograph
during the past two decades. Recently, Schultz, Pinkayan & Komsartra
(1971) reviewed some of this literature and prop...