نتایج جستجو برای: downscaling by a1b scenarios

تعداد نتایج: 7090086  

2017
W. Chen Z. Jiang Laurent Li WEILIN CHEN ZHIHONG JIANG LAURENT LI

Probabilistic projection of climate change consists of formulating the climate change information in a probabilistic manner at either global or regional scale. This can produce useful results for studies of the impact of climate change impact and change mitigation. In the present study, a simple yet effective approach is proposed with the purpose of producing probabilistic results of climate ch...

2016
Bastian Hoffmann Sebastian Häfele Ute Karl

The majority of thermal power plants of more than 300 MW use river water for cooling purposes. Increasing water and air temperatures due to climate change can significantly impact the efficiency and the power production of these power plants. In this paper we analyse these impacts by modelling selected German thermal power plant units and their respective cooling systems through dynamic simulat...

2012
Johannes Nagler Laurent Demaret Peter Amon

We introduce an efficient downscaling methods with arbitrary downscaling factors for images that are transformed to DCT blocks as in the compression standard JPEG. Our hybrid approach combines the low complexity of DCT domain downscaling with the high image quality of B-spline based downscaling methods. A scalable parameter allows to adjust the trade-off between computational costs and image qu...

2009
Daniel J. Vimont David S. Battisti Rosamond L. Naylor

This study investigates the skill of linear methods for downscaling provincial-scale precipitation over Indonesia from fields that describe the large-scale circulation and hydrological cycle. The study is motivated by the strong link between large-scale variations in the monsoon and the El Niño – Southern Oscillation (ENSO) phenomenon and regional precipitation, and the subsequent impact of reg...

Journal: :پژوهش های جغرافیای طبیعی 0
محسن حمیدیان پور استادیار گروه اقلیم شناسی، دانشگاه سیستان و بلوچستان، زاهدان، ایران محمد باعقیده استادیار گروه اقلیم شناسی، دانشگاه حکیم سبزواری، سبزوار، ایران مجسن عباس نیا دانشجوی دکتری اقلیم شناسی، دانشگاه سیستان و بلوچستان، زاهدان، ایران

introduction numerous studies have demonstrated the relationship between the amount of co2 in the atmosphere and climate change. in this respect, developed countries have an undeniable role and cause serious damage to earth environment throughout the world. ipcc’ forth evaluation report implies that adding greenhouse gases to the atmosphere during recent decades prevents the heat rays to emit w...

1997
AKIRA HIRASAWA TATSUO SUGAWARA TAKEO AWAJI KEIKO TSUMAYA HIROSHI ITO GOZOH TSUJIMOTO

Selective inactivation of a1B-adrenoceptor (AR) by the sitedirected alkylating agent chlorethylclonidine (CEC) has been used as one of major pharmacological criteria to subclassify a1-AR; however, the mechanism for the differential CEC sensitivity of the two subtypes is uncertain, and the extent of CEC inactivation varies depending on the treatment employed. In this study, we examined the corre...

Journal: :تحقیقات آب و خاک ایران 0
مرضیه خیر اندیش کارشناس ارشد پردیس کشاورزی و منابع طبیعی دانشگاه تهران نوذر قهرمان استادیار پردیس کشاورزی و منابع طبیعی دانشگاه تهران جواد بذر افشان استادیار پردیس کشاورزی و منابع طبیعی دانشگاه تهران

in agricultural meteorology, the growing season is the period within each year when crops can be grown from a view of thermal conditions. this period is in general, between the last and first frost dates in spring and autumn when temperature is above a specific threshold. there are two other definitions when using a 5 °c as threshold. one of the methods employed in studying future climate is us...

2012
C. Lavaysse

The Mediterranean basin is a particularly vulnerable region to climate change, featuring a sharply contrasted climate between the North and South and governed by a semi-enclosed sea with pronounced surrounding topography covering parts of the Europe, Africa and Asia regions. The physiographic specificities contribute to produce mesoscale atmospheric features that can evolve to high-impact weath...

2008
Justin Sheffield Eric F. Wood

Recent and potential future increases in global temperatures are likely to be associated with impacts on the hydrologic cycle, including changes to precipitation and increases in extreme events such as droughts. We analyze changes in drought occurrence using soil moisture data for the SRES B1, A1B and A2 future climate scenarios relative to the PICNTRL pre-industrial control and 20C3M twentieth...

2000
ARTHUR A. SIMEN RICHARD J. MILLER

The structural basis of Ca channel inhibition by G proteins has received considerable attention recently, and multiple regions on Ca channels that interact with G protein subunits have been identified. We have demonstrated previously that a region extending from the N terminus to the I/II loop of the Ca channel is involved in determining the differences between a1B and a1E Ca channels with resp...

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