نتایج جستجو برای: Emission scenarios

تعداد نتایج: 285482  

حسینی, سید حسن, قربانی, محمدعلی, مسباح بوانی, علیرضا ,

Two major issues through studies on hydrological impact assessment of climate change are the sufficiency of historical data and selection of the best rainfall-runoff model. Climate models, with the ability to simulate climatic variables, are considered as references for future projections. Therefore, the rainfall-runoff model must be able to simulate streamflow using only these variables. Curre...

Journal: :اکو هیدرولوژی 0
منصور حسینی خواه دانشجوی کارشناسی ارشد مهندسی آبخیزداری، دانشکدۀ کشاورزی و منابع طبیعی، دانشگاه لرستان حسین زینی وند استادیار گروه مهندسی مرتع و آبخیزداری، دانشکدۀ کشاورزی و منابع طبیعی، دانشگاه لرستان علی حقی زاده استادیار گروه مهندسی مرتع و آبخیزداری، دانشکدۀ کشاورزی و منابع طبیعی، دانشگاه لرستان ناصر طهماسبی پور استادیار گروه مهندسی مرتع و آبخیزداری، دانشکدۀ کشاورزی و منابع طبیعی، دانشگاه لرستان

the objective of this study was to evaluate the ability of ten gcms and three emission scenarios to reproduce the rainfall and temperature parameters in kermanshah, ravansar and west islamabad stations located inside qaresou basin in iran using the average weighting method, over 1989-2008 period. at first, the models output and the scenarios were provided for this period. then, the models valid...

Waste disposal in the current situation, which quantity and variety of waste are increasing, needs not only effective management principles but also depends on environmentally-friendly methods to put as less environmental footprint as possible. This study aims to assess the energy consumption, emission of greenhouse gases and air pollutants which normally produce during various waste management...

Journal: :اکو هیدرولوژی 0
مریم احمدوند کهریزی دانشجوی کارشناسی ارشد آبخیزداری، گروه مرتع و آبخیزداری، دانشکدۀ کشاورزی و منابع طبیعی، دانشگاه گنبد کاووس، گنبدکاووس، ایران حامد روحانی استادیار، گروه مرتع و آبخیزداری، دانشکدۀ کشاورزی و منابع طبیعی، دانشگاه گنبد کاووس، گنبدکاووس، ایران

assessing the potential impacts of 21st-century climate change on species distributions and ecological processes requires climate scenarios with sufficient spatial resolution. in this study we projected future changes in maximum temperature and minimum temperature under cmip3 sres and cmip5 rcps scenarios with two station-based datasets (arazkoseh and nodeh) of the eastern golestan province. ch...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید چمران اهواز - دانشکده مهندسی علوم آب 1393

drought is transient phenomenon , slow , repetitive and integral part of the climate of each region. drought begins with a substantial reduction in precipitation over the long-term average rainfall and over time, reduced soil moisture and surface and ground water resources will continue to decrease. this phenomenon is the most important in bakhtegan basin because of its importance in strategic ...

Global warming due to greenhouse effect is expected to cause major changes in climate of some regions. The change of climate is likely to have a profound effect on hydrological cycle. Evapotranspiration (ET, as the major component of hydrological cycle, will affect crop water requirement and future planning and management of water resources. This study was conducted to investigate climate chang...

Journal: :تولید گیاهان زراعی 0
زینب امانی دانشگاه شهید بهشتی رضا دیهیم فرد دانشگاه شهید بهشتی علی مختصی بیدگلی استادیار دانشگاه تربیت مدرس

background and objectives: making a reliable prediction of drought index status for the future is one of the major elements in a successful water resources management particularly under climate change processes, including increase in atmospheric carbon dioxide concentration, temperature and fluctuations in rainfall. the present study aims at assessing drought trend under changing climate condit...

Journal: :Proceedings of the Symposium on Global Environment 1998

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