نتایج جستجو برای: simple cokriging
تعداد نتایج: 457147 فیلتر نتایج به سال:
simple harmonizable processes (shp) introduced by soltani and parvardeh (2006) are a large class of nonstationary processes which includes stationary and periodically correlated (pc) processes. detection and estimation of shp structure are important problems when dealing with nonstationary data. in this paper, we study the spectral properties of simple processes and propose a method to detect a...
this article aims at contrasting aspectual oppositions in english and persian in the context of the novel the old man and the sea, and its translation by daryabandari (1983) as the data. unlike english, in persian perfective and imperfective forms are morphologically marked. while the vast majority of english simple past forms are translated into persian by past perfective forms, only less than...
The geometric variability of soil layers is a large source uncertainty in the reliability assessment dikes. Because direct samples subsurface soils are often insufficient to capture complexity subsurface, geophysical methods provide powerful complementary information. A combined approach estimate geometry presented. combines local point data, i.e. data obtained from CPT or borehole log, and tom...
according to the importance of groundwater resources in providing of human needs, lack of control and inappropriate management of these resources can lead to the problems such as nitrate pollutions arising from the use of chemical fertilizers in agricultural lands. with generalized point data to the area using the geostatistics methods can be determine the pollution content in areas without sam...
for the purposed water resources management, irrigation scheduling, water usage optimization and gaining maximum yield two step fao method was applied to determine the water requirement (evapotranspiration) of sugar beet. in this paper reference evapotranspiration were computed from recorded meteorological data at 38 weather stations using the hargreaves-samani method; and then through applyin...
اصولی که می بایست در روشهای عددی از جمله روش حجم کنترل مورد توجه قرار گیرد تا یک مسئله فیزیکی بطور واقعی مدل سازی گردد عبارت است از: تعیین درست معادلات حاکم بر مسئله، گسسته نمودن معادلات به روابط جبری صحیح و تهیه الگوریتم حل. آز آنجا که در الگوریتم حل چگونگی حفظ پیوستگی میدان و ارضای قانون بقای جرم مورد توجه قرار می گیرد تدوین آن از اهمیت ویژه ای برخودار است . در این پرژوه ابتدا به معرفی معادلا...
Abstract The complex nature of podzolic soils makes investigating their subsurface challenging. Near-surface geophysical techniques, like electromagnetic induction (EMI), offer significant assistance in studying soils. Multi-coil (MC-EMI) and multi-frequency (MF-EMI) sensors were selected to maximize soil water content (SWC) prediction this study. objectives (i) compare apparent electrical cond...
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