نتایج جستجو برای: during last decades
تعداد نتایج: 1929091 فیلتر نتایج به سال:
The evaporation of intercepted precipitation (Ei) is an important component evapotranspiration. Investigating the spatial and temporal variations Ei its driving factors can improve our understanding water energy balance in context China’s greening. This study investigated variation across China during 2001−2020 using PML ET product with a resolution 8 days 500 m. results showed that generally d...
this article analyses the effects of foreign exchange commitment and exchange rate unification policies on iran’s non-oil exports during the last three decades. in addition, the effects of these policies on non-oil exports have empirically been estimated. for this purpose, an export supply model was estimated using the econometrics technique of auto regressive distributed lag (ardl) and reliabl...
Introduction: Investigation trend of age distribution can be helpful for policymakers to predict the potential challenges of health care systems in order to improve responsibilities to future health needs. Therefore the aim of the present study was to investigate the trend of age distribution in the EMRO region in order to determine future health policy requirements. <str...
Temperature and salinity outputs from ECCO (years 93-09) and GLORYS (years 03-09) models have been used to compute the thermohaline and steric sea level trends in the surface (0-150 m), intermediate (150 m-600 m), and deep (600 m-bottom) layers of the Mediterranean Sea. Some changes with respect to the second half of the 20th century have been observed: the cooling of the upper waters of the en...
Knowledge about long-term land cover/use changes is essential for evaluating and predicting their consequent problems by urban managers and policymakers. Remote sensing with landscape metrics is an effective tool for monitoring these changes in urban cores and their peripheral areas. During the recent decades, industrial and urban growth, and immigration of people into Isfahan metropolitan area...
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