Results 11 to 20 of about 113,545 (266)
Spatio-Temporal Analysis of Drought Severity Using Drought Indices and Deterministic and Geostatistical Methods (Case Study: Zayandehroud River Basin) [PDF]
Desert, 2016 Drought monitoring is a fundamental component of drought risk management. It is normally performed using various drought indices that are effectively continuous functions of rainfall and other hydrometeorological variables.
A. Afzali +8 more
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Guan'gai paishui xuebao, 2022 【Objective】 Canopy temperature varies with leaf water content and can be used as a proxy of crop water deficit. In this paper, we compare different interpolation methods for calculating spatial distribution of crop water deficit based on canopy ...
ZHANG Minne +3 more
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E-Jurnal Matematika, 2012 Kriging as optimal spatial interpolation can produce less precise predictive value if there are outliers among the data. Outliers defined as extreme observation value of the other observation values that may be caused by faulty record keeping, improper ...
NI MADE SUMA FRIDAYANI +2 more
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Kriging: Methods and Applications [PDF]
SSRN Electronic Journal, 2017 In this chapter we present Kriging— also known as a Gaussian process (GP) model— which is a mathematical interpolation method. To select the input combinations to be simulated, we use Latin hypercube sampling (LHS); we allow uniform and non-uniform distributions of the simulation inputs.
openaire +2 more sources
Spatial Prediction of Real Sulfur Data Using the Ordinary Kriging Technique and Lognormal Kriging [PDF]
المجلة العراقية للعلوم الاحصائية, 2022 This research deals with the spatial prediction process in order to obtain the optimal prediction when the data are distributed normally. In this paper, we used the ordinary kriging technique and the lognormal kriging after taking the logarithm of the ...
Najla Sedek
doaj +1 more source
Sensors, 2017 In the practice of interpolating near-surface soil moisture measured by a wireless sensor network (WSN) grid, traditional Kriging methods with auxiliary variables, such as Co-kriging and Kriging with external drift (KED), cannot achieve satisfactory ...
Jialin Zhang +5 more
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Spatial Prediction and Optimized Sampling Design for Sodium Concentration in Groundwater. [PDF]
PLoS ONE, 2016 Sodium is an integral part of water, and its excessive amount in drinking water causes high blood pressure and hypertension. In the present paper, spatial distribution of sodium concentration in drinking water is modeled and optimized sampling designs ...
Erum Zahid +6 more
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Efficient simulation-driven design optimization of antennas using co-kriging [PDF]
, 2012 We present an efficient technique for design optimization of antenna structures. Our approach exploits coarse-discretization electromagnetic (EM) simulations of the antenna of interest that are used to create its fast initial model (a surrogate) through ...
Couckuyt, Ivo +3 more
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IEEE Access, 2020 As the performance function of a mechanical structure is usually based on time-consuming computer codes, predicting time-dependent reliability analysis requires a large number of costly simulations in engineering.
Yutao Yan +3 more
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Fast Prediction of Multiple Parameters Related to Iced Airfoil Based on POD and Kriging Methods [PDF]
Journal of Applied Fluid Mechanics, 2022 Ice accretion threatens aircraft safety. With the wide application of unmanned aerial vehicles (UAVs), the design of ice-tolerant UAVs has become a problem that must be solved.
J. Niu +5 more
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