نتایج جستجو برای: temperature time series

تعداد نتایج: 2488426  

Journal: :Journal of Applied Statistics 2013

1999
Brian D. Dushaw

The ATOC Project has aquired trans-Pacific acoustic data from two acoustic sources: one located on Pioneer Seamount off the coast of California, the other located north of Kauai, Hawaii. Transmissions from these sources are detected by U.S. Navy SOSUS arrays located throughout the North Pacific. The time series of acoustic travel times from the Pioneer Seamount and Kauai transmissions are about...

An infinitely long hollow cylinder containing isotropic linear elastic material is considered under the effect of arbitrary boundary stress and thermal condition. The two-dimensional coupled thermoelastodynamic PDEs are specified based on equations of motion and energy equation, which are uncoupled using Nowacki potential functions. The Laplace integral transform and Bessel-Fourier series are u...

Journal: :مرتع و آبخیزداری 0
خالد اوسطی استادیار دانشکدة منابع طبیعی دانشگاه کردستان علی سلاجقه استاد دانشکدة منابع طبیعی دانشگاه تهران محمد مهدوی استاد دانشکدة منابع طبیعی دانشگاه تهران پاول کوئنیگر استادیار مؤسسة علوم زمین و منابع طبیعی (bgr) ژئوسنتروم هانوفر، آلمان کامران چپی استادیار دانشکدة منابع طبیعی دانشگاه کردستان آرش ملکیان دانشیار دانشکدة منابع طبیعی دانشگاه تهران

within the climate change debate and its probable impacts on water resources systems, design and operation of management plans based on the assumption of stationary hydrology may cause serious challenge to accurately predict future supplies. therefore this case study is trying to assess trend in hydroclimatic variables of karkheh rivers upstream by applying modified mann-kendall trend test on l...

2012
Viktor Gouretski John Kennedy Tim Boyer Armin Köhl

[1] We compare historical global temperature time series, based on bias-adjusted sea-surface temperatures with independent temperature time series, for the upper 20 meter layer of the ocean based on the latest update of an historical hydrographic profile data set. Despite the two underlying data sets being different in number of data points, instrumentation and applied adjustments, both of the ...

Journal: :int. j. lignocellulosic products 2014
a. kargarfard a. jahan-latibari

the target of this study was to investigate the possibility of mdf productionfrom eucalyptus camaldulensis wood. mdf fibers were produced applying threelevels of steaming time. laboratory mdf boards were produced using thegenerated fibers and different pressing temperature and time. physical andmechanical properties of mdf panels were measured using relevant eu testmethods and were statisticall...

ژورنال: علوم زمین 2018
Hamid Reza Siahkoohi Hanieh Mardomi Mir Sattar Meshinchi Asl

Magnetotellurics is an exploration method which is based on measurement of natural electric and magnetic fields of the Earth and is increasingly used in geological applications, petroleum industry, geothermal sources detection and crust and lithosphere studies. In this work, discrete wavelet transform of magnetotelluric signals was performed. Discrete wavelet transform decomposes signals into c...

2006
Jeffrey D. Spitler Daniel E. Fisher

The radiant time series method is a new method for performing design cooling load calculations, derived from the heat balance method. It effectively replaces all other simplified (non-heat-balance) methods such as the cool#zg load temperature difference~solar cooling load~cooling load factor method (CLTD/SCL/CLF), the total equivalent temperature difference~time averaging method (TETD/TA), and ...

2013
Robert K. Kaufmann Heikki Kauppi Michael L. Mann James H. Stock

By construction, the time series for radiative forcing that are used to run the 20c3m experiments, which are implemented by climate models, impart non-stationary movements (either stochastic or deterministic) to the simulated time series for global surface temperature. Here, we determine whether stochastic or deterministic trends are present in the simulated time series for global surface tempe...

The non-Fourier effect in heat conduction is important in strong thermal environments and thermal shock problems. Generally, commercial FE codes are not available for analysis of non-Fourier heat conduction. In this study, a meshless formulation is presented for the analysis of the non-Fourier heat conduction in the materials. The formulation is based on the symmetric local weak form of the sec...

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