نتایج جستجو برای: wg for daily precipitation performance

تعداد نتایج: 10715141  

Journal: :The British journal of nutrition 2008
Adele Costabile Annett Klinder Francesca Fava Aurora Napolitano Vincenzo Fogliano Clare Leonard Glenn R Gibson Kieran M Tuohy

Epidemiological studies have shown an inverse association between dietary intake of whole grains and the risk of chronic disease. This may be related to the ability to mediate a prebiotic modulation of gut microbiota. However, no studies have been conducted on the microbiota modulatory capability of whole-grain (WG) cereals. In the present study, the impact of WG wheat on the human intestinal m...

2006
Y. D. Chen X. Chen C.-Y. Xu Q. Shao

Downscaling of daily precipitation with a stochastic weather generator for the subtropical region in South China Y. D. Chen, X. Chen, C.-Y. Xu, and Q. Shao Department of Geography and Resource Management, The Chinese University of Hong Kong, Shatin, Hong Kong, China State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai University, Nanjing, China Department of Geosci...

Journal: :international journal of environmental research 2014
a. gupta r. vijay v.k. kushwaha s.r. wate a. shiehbeigi

numerous studies yet have been carried out on downscaling of the large-scale climate data usingboth dynamical and statistical methods to investigate the hydrological and meteorological impacts of climatechange on different parts of the world. this study was also conducted to investigate the capability of feedforwardneural network with error back-propagation algorithm to downscale the provincial...

Journal: :پژوهش های جغرافیای طبیعی 0
فرزانه برزو دانشجوی دکتری اقلیم شناسی، دانشگاه رازی کرمانشاه قاسم عزیزی دانشیار دانشکدة جغرافیا، دانشگاه تهران

introduction selection of the clear and transparent index for the precipitation using long-term homogeneous data is an important point for the researchers. several investigations have led to different indices for heavy rainfall. in some cases the specific amount of precipitation was used for heavy rainfall (rahimzadeh, 2005; masoodian, 2008; kamiguchi et al., 2006), e.g. alijani (2002) has sugg...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده مهندسی برق و کامپیوتر 1391

this thesis is presented 10 ghz voltage controlled ring oscillator for high speed application. the voltage controlled ring oscillator was designed and fabricated in 0.13یm cmos technology. the oscillator is 7-stages ring oscillator with one inverter replaced by nand-gate for shutting down in the ring oscillator during idle mode. tri-state inverter was used to control of 126 bit vector in ri...

2003
RICHARD W. KATZ CLAUDIA TEBALDI

Statistical methodology is devised to model time series of daily weather at individual locations in the southeastern U.S. conditional on patterns in large-scale atmosphere–ocean circulation. In this way, weather information on an appropriate temporal and spatial scale for input to crop–climate models can be generated, consistent with the relationship between circulation and temporally and/or sp...

Background: Changes in temperature and precipitation pattern seriously affect the amount of river runoff coming into Dam Lake. These changes could influence the operating conditions of reservoir systems such as Jor hydropower reservoir system (Malaysia) with the total capacity of 150 MW. So, it is necessary to analyze the effect of changes in weather parameters on the river runoff and consequen...

2015
Nachiketa Acharya Allan Frei Emmet M. Owens

Stochastic weather generators (WGs) are often used to simulate synthetic weather time series based on observed statistical properties in a particular location. Most studies evaluate WG skill based on average properties. Our objective is to assess how the WGs performs in simulating extremes, especially high precipitation amounts. We analyzed 13 different WGs using two parallel approaches: extrem...

Journal: :تحقیقات جغرافیایی 0
امیر حسین حلبیان گروه علمی جغرافیا، دانشگاه پیام نور مهران شبانکاری دانشگاه فرهنگیان ، اهواز مهران شبانکاری دانشگاه فرهنگیان ، اهواز

in this research, the correlation between precipitation change in southern coasts of caspian sea and variability of sea level pressure have been analyzed by using environmental to circulation approach at time period 1339- 1383. in this respect, we make use of daily precipitation data of the 12 synoptic stations of studied area at surface data base section and prepare the time series matrix of p...

2013
Bin Yong Yudong Tian Zengxin Zhang Yan Shen Junjun Hu Jill Hardy

[1] Similarities and differences of spatial error structures of surface precipitation estimated with successive version 6 (V6) and version 7 (V7) Tropical Rainfall Measuring Mission (TRMM) Multisatellite Precipitation Analysis (TMPA) algorithms are systematically analyzed through comparison with the China Meteorological Administration’s national daily precipitation analysis from June 2008 to Ma...

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