搜索结果: 1-15 共查到“水文学 Field”相关记录42条 . 查询时间(0.281 秒)
WATERBODIES EXTRACTION FROM LANDSAT8-OLI IMAGERY USING AWATER INDEXS-GUIED STOCHASTIC FULLY-CONNECTED CONDITIONAL RANDOM FIELD MODEL AND THE SUPPORT VECTOR MACHINE
Water index CRF Landsa Water extraction SVM
font style='font-size:12px;'>
2018/5/15
One of the most important applications of remote sensing classification is water extraction. The water index (WI) based on Landsat images is one of the most common ways to distinguish water bodies fro...
Modelling field scale water partitioning using on-site observations in sub-Saharan rainfed agriculture
field scale water partitioning on-site observations sub-Saharan rainfed agriculture
font style='font-size:12px;'>
2010/4/7
Smallholder rainfed farming systems generally realise sub-optimal crop yields which are largely attributed to dry spell occurrences during crop growth stages. However, through the introduction of appr...
A process-oriented approach to computing multi-field problems in porous media
process-oriented approach multi-field problems porous media
font style='font-size:12px;'>
2009/12/4
Object-oriented methods are becoming more and more important in order to meet the challenges in scientific computing, such as the treatment of coupled multi-field problems with high spatial resolution...
Integrated use of GIS-based field sampling and modeling for hydrologic and water quality studies
Integrated use GIS-based field samplingm and odeling hydrologic and water quality studies
font style='font-size:12px;'>
2009/12/4
Enhancements to traditional catchment-scale water quality assessments can be realized by leveraging geographical information systems (GIS) for both field data collection and hydrologic and water quali...
Estimations of the nonlinear properties of the internal wave field off the Israel coast
nonlinear properties internal wave field Israel coast
font style='font-size:12px;'>
2009/11/16
The measurements of the vertical structure of hydrological fields and internal waves on the Levantine Sea's polygon in the Mediterranean, obtained in the 27-th cruise of the RV "Professor Kolesnikov" ...
Application of Soil Water Flow Theory in Field Simulation
Application Soil Water Flow Theory Field Simulation
font style='font-size:12px;'>
2009/10/28
A numerical model based on a finite difference approximation of the basic
differential equation for soil water flow is described. The equation includes a
sink term representing moisture extraction b...
Selected Effects of Field Variability on Predictions from a Soil Water Finite Difference Model
Field Variability Predictions Soil Water Finite Difference Model
font style='font-size:12px;'>
2009/10/28
Known field variability of soil hydrologic parameters is incorporated into a
general finite difference scheme for the prediction of near surface soil water
conditions, including runoff. It is shown ...
On the Role of Equilibrium Reactions in Bore-Hole Waters in the Skellefte-Field,Northern Sweden
Equilibrium Reactions Bore-Hole Waters Skellefte-Field
font style='font-size:12px;'>
2009/10/28
In a series of bore holes in an acid-intermediate volcanite rock type measurements
of pH and pe (in situ), main ionic constituents, silicic acid and aluminium
were made. The bore holes covered the p...
Experimental Estimation of the Current Field of a Complex Lake
Experimental Estimation Current Field Complex Lake
font style='font-size:12px;'>
2009/10/28
The purpose of this study is to construct an experimental model to determine
the dependence of lake-current velocity on the preceding wind velocity. The
parameters of the model are determined by lin...
Experience with Field Testings of SHE on Research Catchments
Experience Field Testings SHE Research Catchments
font style='font-size:12px;'>
2009/10/28
The development of the European Hydrologic System (SHE) has now
reached such a stage, that it is ready for practical applications. Extensive field
testings and associated developments have been carr...
Frazil Measured in the Laboratory and in the Field
Frazil Laboratory Field
font style='font-size:12px;'>
2009/10/27
Using an instrument that was recently developed at the National Water Research
Institute, the concentration of frazil in flowing water was measured
under laboratory conditions for both fresh water a...
Modelling of Unsaturated Flow in Heterogeneous Soils Part 11:Stochastic Simulation of Water Flow over a Field
Unsaturated Flow Heterogeneous Soils Stochastic Simulation
font style='font-size:12px;'>
2009/10/27
Modelling of soil moisture conditions in spatially variable fields is treated using
stochastic methods. Spatial variability of moisture content in a vegetation covered
field is partly caused by fiel...
Spatial Variability of Physical Parameters and Processes in Two Field Soils Part II:Water Flow at Field Scale
Spatial Variability Physical Parameters Two Field Soils Field Scale
font style='font-size:12px;'>
2009/10/26
The horizontal variability of soil hydraulic parameters, water content and suction
mcasurcd within two research ficlds in Denmark is analyzed and discussed.
A numerical analysis of the flow in the t...
Spatial Variability of Physical Parameters and Processes in Two Field Soils Part I:Water Flow and Solute Transport at Local Scale
Spatial Variability Physical Parameters Two Field Soils Local Scale
font style='font-size:12px;'>
2009/10/26
Natural field systems exhibit a large degree of soil heterogeneity which affects
the movement of water and solutes and thus leads to highly varying observations
of water contcnt and solute concentra...
Spatial Variability of Physical Parameters and Processes in Two Field Soils Part Ill:Solute Transport at Field Scale
Spatial Variability Physical Parameters Two Field Soils Field Scale
font style='font-size:12px;'>
2009/10/26
A numerical analysis of solute transport in two spatially heterogeneous fields is
carried out assuming that the fields are composed of ensembles of one-dimensional
non-interacting soil columns, each...