نتایج جستجو برای: simple cokriging
تعداد نتایج: 457147 فیلتر نتایج به سال:
Saline lakes can increase the soil and water salinity of the coastal areas. The main aim of this study is to distinguish the characteristics of the spectral reflectance of saline soil, analyze the statistical relationship between soil EC and characteristics of the spectral reflectance of saline soil, and to map soil salinity east of the Maharloo Lake. The correlation between field measurements ...
The lack of enough meteorological stations at high elevations in mountainous regions causes a limitation for using regression relations to interpolate air temperatures at different time scales. Therefore, in this study, geostatistical methods include Kriging, Co-Kriging and Weighting moving average has been compared with elevation-temperature relation using a data series of 25 years (1975-200...
The global exploring feature of the surrogate model makes it a useful intermedia for design optimization. accuracy is closely related with efficiency optima-search. cokriging approach described in present studies can significantly improve and cut down turnaround time spent on modeling process. Compared to universal Kriging method, method interpolates not only sampling data, but also their assoc...
rainfall erosivity is the ability of rainfall to detach the soil particles. this study was conducted to evaluate spatial variability of rainfall erosivity indices in khouzestan province. the point data of indices (ei30, aim, ke>1 and onchev indices) in 74 stations were used to generate spatial erosivity maps through deterministic and geostatistical interpolation methods (radial basis functions,...
Geostatistical methods such as simple, ordinary, and universal kriging are not multivariate models in the usual statistical function. Notwithstanding, techniques utilize random function that include unlimited variables while modeling one attribute. The cokriging technique is a estimation method can simultaneously model two or more attributes, defined with same domains coregionalization. ...
Abstract The study presents the possibility of using geostatistical methods for monitoring groundwater quality. Poland is one largest copper producers in world. However, extraction and production requires constant care natural environment. Reservoir Żelazny Most which situated South – Western was designed to store flotation tailings out nearby mines. It biggest industrial dumps reservoir stores...
rainfall is considered a highly valuable climatologic resource, particularly in arid regions. as one of the primaryinputs that drive watershed dynamics, rainfall has been shown to be crucial for accurate distributed hydrologicmodeling. precipitation is known only at certain locations; interpolation procedures are needed to predict this variablein other regions. in this study, the ordinary cokri...
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