نتایج جستجو برای: ordinary cokriging

تعداد نتایج: 49605  

Journal: :Mathematics 2021

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...

Journal: :مرتع و آبخیزداری 0
حسین اسلامی دانش آموختة دانشگاه آزاد اسلامی، واحد علوم و تحقیقات، گروه آبخیزداری، تهران، ایران علی سلاجقه استاد دانشکدة منابع طبیعی، دانشگاه تهران شهرام خلیقی سیگارودی دانشیار دانشکدة منابع طبیعی، دانشگاه تهران حسن احمدی استاد دانشگاه آزاد اسلامی، واحد علوم و تحقیقات، گروه آبخیزداری، تهران، ایران شمس الله ایوبی دانشیار گروه خاک شناسی، دانشکدة کشاورزی، دانشگاه صنعتی اصفهان

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,...

Journal: :Multidisciplinary Aspects of Production Engineering 2021

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...

Journal: :Remote Sensing 2021

Precipitation data provide a crucial input for examining hydrological issues, including watershed management and mitigation of the effects floods, drought, landslides. However, they are collected frequently from scarce often insufficient network ground-based rain-gauge stations to generate continuous precipitation maps. Recently, maps derived satellite have not been sufficiently linked rain gau...

Journal: :Asian Journal of Mathematics 2019

2005
HUADE GUAN JOHN L. WILSON OLEG MAKHNIN

Hydrologic and ecologic studies in mountainous terrain are sensitive to the temporal and spatial distribution of precipitation. In this study a geostatistical model, Auto-Searched Orographic and Atmospheric Effects Detrended Kriging (ASOADeK), is introduced to map mountain precipitation using only precipitation gauge data. The ASOADeK model considers both precipitation spatial covariance and or...

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