abstract urban expansion, pollution augmentation, and extention of major industrial activities in metropolitan areas impacted local climates of major cities. transforming big cities into heat islands is one of the most prominent results of such a micro-climate change. in this study, variation of precipitation, temperature and some other important climatic parameters including relative humidity,...

agricultural land conversion (alc) has been introduced as one of the most important factorsaffecting ecosystem. this type of conversion has led to several challenges in agricultural development andhuman life. monitoring alc plays a crucial role when dealing with such challenges. the main objective of thisstudywas to monitor the trend ofalc in theqazvin province located in northwest iran from 19...

prediction of climatic variables on a local scale by general circulation models of the atmosphere is impossible because the models have large-scale network of resolution. therefore, downscaling methods are used to solve this problem. since the climate change phenomenon can affect different systems such as, water resources, agriculture, environment, industry and economy as well, selection of the...

abstract background: weather and climate play a significant role in human health. we are accustomed to affects the weather conditions. by increasing or decreasing the environment temperature or change of seasons, some diseases become prevalent or remove. this study investigated the role of temperature in cardiovascular disease mortality of city of mashhad in the current decade and its simulatio...

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the projected rainfall change under various scenarios is likely to have both positive and negative implications on agriculture and water supply because in rainfall pattern across the country. rise in rainfall is seen over all states except punjab, rajasthan and tamil nadu, which show slight decrease in precipitation in the future scenarios. marked increase in covering the western ghats and nort...

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Abstract The purpose of this study is the projection climate change's impact on Groundwater Level (GWL) fluctuations in Mashhad aquifer during future period (2022–2064). In first step, climatic variables using ACCESS-CM2 model under Shared Socio-economic Pathways (SSPs) 5–8.5 scenario were extracted. second different machine learning algorithms, including Multilayer Perceptron Neural Network (M...

1Department of Otorhinolaryngology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran 2Sinus and Surgical Endoscopic Research Center, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran 3Department of Psychiatry, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran 4Department of Neurology, School of Medicine, Mashhad University...

With the increasing demand for energy globally and need to reduce fossil fuels, paying attention renewable clean sources is necessary. Solar systems are viable among heat electricity generation. In this study, an Off-grid solar system was investigated by considering effect of climate conditions environmental factors such as dust on performance PV panels. Performance efficiency using PVsyst soft...