نتایج جستجو برای: trend and seasonal variability of rainfall

تعداد نتایج: 24076736  

Journal: :Mausam 2023

Climate change and variability, particularly which of the annual rainfall, has received a great deal interest to researchers worldwide. The extent variability rainfall varies according locations. Consequently, investigating dynamics variable in perspective changing climate is important evaluate impact adapt potential mitigation strategies. To gain insight, trend analysis been employed inspect q...

ژورنال: علوم آب و خاک 2012
حسین بشری, , ربانه روغنی, , سعید سلطانی, ,

Southern Oscillation Index (SOI) and Sea Surface Temperature (SST) patterns affect rainfall in many parts of the world. This study aimed to investigate the relationship between monthly and seasonal rainfall of Iran versus SOI and Pacific and Indian sea surface temperature. Monthly rainfall data, from 50 synoptic stations with at least 30 years of records up to the end of 2007, were used. Monthl...

2013
Ian Smith Jozef Syktus Leon Rotstayn Stephen Jeffrey

We assess the performance of 30 CMIP5 and two CMIP3 models using metrics based on an all-Australia average rainfall and NINO3.4 sea surface temperatures (SSTs). The assessment provides an insight into the relative performance of the models at simulating long-term average monthly mean values, interannual variability and the seasonal cycles. It also includes a measure of the ability to capture ob...

Journal: :caspian journal of environmental sciences 2008
m. b. hiremath a. josephrajkumar v. mukund r. ramesh p. k. shetty

studies of rainfall variation generally focus on large areas. for example, in india, the area average monsoon rainfall series of the whole country or meteorological subdivisions are used. this would be of no use for local agriculture, particularly in places where rainfall is very high or very low, especially for crops like small cardamom and vanilla which are very sensitive to soil moisture and...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1389

the current study examined iranian undergraduate efl students’ willingness to communicate with regard to their vocabulary knowledge. in general, participants were somewhat willing to communicate in english. the total mean score of 730 university students’ perception of willing to communicate was 83.53 out of 135. results, regarding four parts of willingness to communicate, revealed that part...

Journal: :Science 2003
A Giannini R Saravanan P Chang

We present evidence, based on an ensemble of integrations with NSIPP1 (version 1 of the atmospheric general circulation model developed at NASA's Goddard Space Flight Center in the framework of the Seasonal-to-Interannual Prediction Project) forced only by the observed record of sea surface temperature from 1930 to 2000, to suggest that variability of rainfall in the Sahel results from the resp...

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