نتایج جستجو برای: sdsm model

تعداد نتایج: 2104486  

Journal: Desert 2016
A. Azareh A. Malekian A. Salajegheh Gh.R. Zehtabian N. Boroomand

Climate change is found to be the most important global issue in the 21st century, so to monitor its trend is of great importance. Atmospheric General Circulation Models because of their large scale computational grid are not able to predict climatic parameters on a point scale, so small scale methods should be adapted. Among downscaling methods, statistical methods are used as they are easy to...

2002
X. Xiong K. Chiang B. Guenther W. Barnes

The MODerate Resolution Imaging Spectroradiometer (MODIS) is one of the key instruments for the NASA s Earth Observing System (EOS). MODIS ProtoFlight Model (PFM) was launched on-board the EOS Terra spacecraft on December 18, 1999 and the MODIS Flight Model (FM-1) was launched on-board the EOS Aqua spacecraft on May 4, 2002. MODIS has 36 spectral bands with wavelengths ranging from 0.41 to 14.5...

Changes in the mean and the extreme values of hydroclimatic variables are two prominent features of the future climate. Therefore, simulating the climatic behavior of Shandiz catchment area, an important tourist area in the northeast of the country, will play an important role in identifying the climate condition and potential vulnerability of these areas in the coming decades of climate ch...

Among the important challenges facing water resources of the country, one can mention the phenomenon of climate change and its impacts. The General Circulation Models (GCMs) can provide the best information about the response to increasing the concentration of greenhouse gases. Since the outputs of this model do not have sufficient time and space accuracy for studies on the effects of climate c...

Among the important challenges facing water resources of the country, one can mention the phenomenon of climate change and its impacts. The General Circulation Models (GCMs) can provide the best information about the response to increasing the concentration of greenhouse gases. Since the outputs of this model do not have sufficient time and space accuracy for studies on the effects of climate c...

2002
X. Xiong

MODIS Protoflight Model, launched on-board the NASA EOS Terra spacecraft on December 18, 1999, has been in operation for more than two years, providing the science community calibrated data sets for the global studies of the land, oceans, and atmosphere. MODIS has 36 spectral bands, covering the spectral range from 412 to 14200 nm, and provides spatial resolutions of 0.25 km (2 bands), 0.5 km (...

ژورنال: :نشریه حفاظت منابع آب و خاک (علمی - پژوهشی) 2015
مصطفی رضایی زمان علی افروزی

پیش بینی و ارزیابی اثرات تغییر اقلیم در برنامه ریزی های آتی مدیران می تواند بسیار مؤثر باشد. ابزارهای مختلفی برای رسیدن به این هدف مورد استفاده قرار می گیرد. در این تحقیق، مدل swat برای شبیه سازی و ارزیابی اثرات تغییر اقلیم بر محصولات در حوضه سیمینه رود استفاده شد و راهبرد تغییر الگوی کشت به عنوان یک راهکار تطبیقی مورد ارزیابی قرار گرفت. برای مدل سازی شرایط تغییر اقلیم در منطقه از خروجی های مدل...

ژورنال: علوم آب و خاک 2017
الماسی, پریسا, سلطانی, سعید, مدرس, رضا, گودرزی, مسعود,

With regard to the confirmation of climate change in most regions of the world and its effects on different parts of the water cycle, knowledge of the status of water resources is necessary for proper management of resources and planning for the future. Hence many studies have been done in different areas with the aim of analyzing the impact of climate change on hydrological processes in the up...

Journal: :Remote Sensing 2022

Precipitation is an important meteorological indicator that has a direct and significant impact on ecology, agriculture, hydrology, other vital areas of human health life. It therefore essential to monitor variations this parameter at global local scale. To predict long-term changes in climate elements, Global Circulation Models (GCMs) can provide simulated global-scale climatic processes. Due ...

1999
Angkul Kongmunvattana Nian-Feng Tzeng

In this paper, we propose a new, efficient logging protocol, called lazy logging, and a fast crash recovery protocol, called the prefetch-based crash recovery (PCR), for software distributed shared memory (SDSM). Our lazy logging protocol minimizes failure-free overhead by logging only data indispensable for correct recovery, while our PCR protocol reduces the recovery time by prefetching data ...

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