نتایج جستجو برای: cgcm3

تعداد نتایج: 87  

Journal: :Atmosphere 2021

The global hydrological cycle is vulnerable to changing climatic conditions, especially in developing regions, which lack abundant resources and management of freshwater resources. This study evaluates the impacts climate change on regime Chirah Dhoke Pathan sub catchments Soan River Basin (SRB), Pakistan, by using models included NEX-GDDP dataset model HBV-light. After proper calibration valid...

2011
Esther Salazar Bruno Sansó Andrew O. Finley Dorit Hammerling Ingelin Steinsland Xia Wang Paul Delamater

We consider the problem of forecasting future regional climate. Our method is based on blending different members of an ensemble of regional climate model (RCM) simulations while accounting for the discrepancies between these simulations, under present day conditions, and observational records for the recent past. To this end, we develop Bayesian space-time models that assess the discrepancies ...

Mehrdad Esfandiari Navid adibifard S.R. Hassanpour Avanji Zohreh Baniabbass,

Today climate change is one of the most important human concerns This fact affected human life in different ways .  one of the most important impacts of climate change is on crops yield so that change in temperature  regime  particularly maximum and minimum  temperatures  is noticeably change plants production . in this research , is considered to  impact of climate change on water requirement ...

Journal: :Atmosphere 2022

Climate change is one of the leading issues affecting river basins due to its direct impacts on cryosphere and hydrosphere. General circulation models (GCMs) are widely applied tools assess climate but coarse spatial resolution GCMs limit their application for local studies. This study selected five CMIP5 (CCSM4, HadCM3, GFDL-CM3, MRI-CGCM3 CanESM2) performance evaluation ranked by Nash–Sutclif...

2010
Joseph R. Milanovich William E. Peterman Nathan P. Nibbelink John C. Maerz

BACKGROUND Significant shifts in climate are considered a threat to plants and animals with significant physiological limitations and limited dispersal abilities. The southern Appalachian Mountains are a global hotspot for plethodontid salamander diversity. Plethodontids are lungless ectotherms, so their ecology is strongly governed by temperature and precipitation. Many plethodontid species in...

Journal: :Journal of Physical Oceanography 2022

Abstract Accurate representation of the Atlantic–Mediterranean exchange in climate models is important for a reliable simulation circulation North Atlantic Ocean. We evaluate performance 10 global representing Mediterranean Overflow Water (MOW) over recent period 1986–2005 by using various metrics. The metrics are based on climatological mean state and spatiotemporal variability temperature, sa...

2017
Farzin Shabani Lalit Kumar Mohsen Ahmadi

Aim: To identify the extent and direction of range shift of Eucalyptus sideroxylon and E. albens in Australia by 2050 through an ensemble forecast of four species distribution models (SDMs). Each was generated using four global climate models (GCMs), under two representative concentration pathways (RCPs). Location: Australia. Methods: We used four SDMs of (i) generalized linear model, (ii) MaxE...

ژورنال: ژئوفیزیک ایران 2013
ایمان بابائیان, راهله مدیریان مریم کریمیان

مدیریت منابع آبی در کشور به سبب وابستگی بخش عمده‌‌ای از فعالیت‌‌های اقتصادی به مقدار و توزیع زمانی بارش دارای اهمیت بسیار زیادی است و پیش‌بینی فصلی یکی از ابزارهای مهم در مدیریت بهینه منابع آبی محسوب می‌شود. در این تحقیق به‌منظور عرضة پیش‌بینی فصلی بارش استان خراسان رضوی، برون‌داد متغیر‌‌های متفاوت مدل دینامیکی MRI-CGCM3، در دوره 1981-2007 روی هفت ایستگاه هواشناسی استان خراسان رضوی پس‌پردازش شد...

Journal: :Sustainability 2021

This study aimed to use the applications of Ensemble Species Distribution Modelling (eSDM), Geographical Information Systems (GISs), and Multi-Criteria Decision Analysis (MCDA) for design a protected area (PA) critically endangered yellow-spotted mountain newt, Neurergus derjugini, by tracking excluding effects climate landscape changes in western Iran northeastern Iraq. Potential recent future...

2013
Esther Salazar Dorit Hammerling Xia Wang Bruno Sansó Andrew O. Finley Linda Mearns

We consider the problem of projecting future climate from ensembles of regional climate model (RCM) simulations using results from the North American Regional Climate Change Assessment Program (NARCCAP). To this end, we develop a hierarchical Bayesian space-time model that quantifies the discrepancies between different members of an ensemble of RCMs corresponding to present day conditions, and ...

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