Volume 31 (2021)
Volume 30 (2020)
Volume 29 (2020)
Volume 28 (2019)
Volume 27 (2018)
Volume 26 (2017)
Volume 25 (2016)
Volume 24 (2015)
Volume 23 (2014)
Volume 22 (2013)
Volume 21 (2012)
Volume 20 (2011)
Volume 19 (2010)
Volume 18 (2009)
Volume 17 (2008)
Volume 16 (2007)
1. Evaluation of artificial neural network and fuzzy logic for mapping landslide sensitivity in Hablehroud watershed area

Elham EbrahimZadeh; Ebrahim Rahimi; Vahid Gagheri

Volume 31, Issue 3 , Autumn 2021, , Pages 109-124


  Identifying landslide-prone areas provides a basis for slope-stabilization and mitigation programs. In Hablehroud watershed, artificial neural network and fuzzy logic (FL) as one of the methods of multicriteria-decision analysis based on ArcGIS were used in the scientific evaluation of landslide-prone ...  Read More

2. Assessment of groundwater quality in North Quchan plain (Khorasan Razavi Province); implication for drinking and industrial usage

Mohamad Hosein Mahmudy Gharaie; Najmeh Rokhashmah; Asadollah Mahboubi; Seyed Reza Moussavi Harami

Volume 31, Issue 1 , Spring 2021, , Pages 85-96


  The aims of this study are water quality assessment for drinking and industrial usages with refer to affective factors on water chemistry in North of Quchan plain, Razavi Khorasan province. 17 groundwater samples were collected for major cations (Ca2+, Na+, Mg2+, K+) and anions (HCO3-, SO42-, Cl-) analysis. ...  Read More

3. Evaluation of Accuracy of Hybrid Model of Gene Expression Planning - Fuzzy Logic in Estimation of Land Subsidence Risk

Ghazaleh Mohebbi Tafreshi; Mohammad Nakhaei; razieh Lak

Volume 31, Issue 1 , Spring 2021, , Pages 163-172


  Land subsidence is a nonlinear and complex process that data-driven computational intelligence models can model it. In this study, the accuracy and efficiency of hybrid fuzzy logic gene expression planning hybrid model in estimating land subsidence risk and its factors in Varamin aquifer standardized. ...  Read More

4. Investigating the flow mechanism and groundwater origin of Gonabad Plain qanats using hydrochemical and isotopic methods

hojat miranimoghadam; Gholam Hossein Karami; Rahim Bagheri

Volume 29, Issue 116 , Summer 2020, , Pages 183-192


  Gonabad area is an arid region where 19.5 mcm of groundwater is annually extracted from 26 qanats. Six major qanats were sampled for hydrochemical and isotopic analyses to determine the origin and flow mechanism of the groundwater.The total dissolved solids vary from 524 to 2375 mg/l. The dominant water ...  Read More

5. Investigation of hydrogeochemical characteristics of groundwater of Naqadeh plain aquifer and heavy metal pollution index (HPI)

Asghar Asgharai Moghaddam; Ata Allah Nadiri; Faiba Sadeghi Aghdam

Volume 29, Issue 115 , Spring 2020, , Pages 97-110


  Naqadeh plain located in the southwestern part of Urmia Lake has suitable water resources. In recent years, agricultural development and increasing industrial units, in addition to inadequate disposal of urban, industrial and agricultural wastewater to the Gedar River, increase the risk of groundwater ...  Read More

6. The Impact of Climate Change on Dorudzan Dam Inflow and Reservoir Volume, Northern Fars Province

Mostafa Naderi

Volume 29, Issue 115 , Spring 2020, , Pages 259-268


  The Dorudzan dam inflow is assessed using SWAT under climate change. The daily simulated precipitation and temperature data by 22 general circulation models under RCP2.6, RCP4.5 and RCP8.5 are downscaled at five climatic stations using LARS-WG statistical model and transient change factors approach. ...  Read More

7. Assessment of groundwater potential recharge in karstic terrains in arid regions: The case study Shotori mountains, central Iran

hassan zia; Goliam Hossan Karami; Ali Taheri

Volume 29, Issue 114 , Autumn 2019, , Pages 85-96


  Estimation recharge is an important parameter in the hydrogeological study that used for water budget. Recharge potential map prepared based on spatial maps of eight major influencing factors on groundwater recharge rates (lithology, slope value, aspect, drainage density, precipitation, fracture density, ...  Read More

8. Assessing the effective factors on groundwater quality of Meshgin-Shahr plain aquifer (Ardebil province) with emphasis on possible origin of some heavy metals

Shahrokh Norallahi; A. Asghari Moghaddam; Fijani Elham; Rahim Barzegar

Volume 29, Issue 114 , Autumn 2019, , Pages 143-152


  In recent decades, due to growth of population and qancequently increasing demand for drinking, agriculture and industry purposes has led to consider the groundwater as the most important resource of water in the area. Therefore, it is necessary to pay attention to the quality of the groundwater in the ...  Read More

9. The sea level fluctuations effects on geomorphology and morphodynamics of the Caspian Sea Coasts (case study of Gorgan Bay)

babak najafiha; vlademer V.R.Boynagryan,

Volume 29, Issue 113 , Autumn 2019, , Pages 35-44


  The Caspian Sea is the greatest  Lake in the world. It witness substantial fluctuation during the geological time. The study area located in Mazandran  Province at south east of Caspian Sea. In this study effects of  sea level fluctuation on south east of Caspian sea (Miankhaleh spit and  ...  Read More

10. The effective factors on the groundwater chemical quality of Qareh-Ziaeddin plain, West Azarbaijan province

Somayeh Esmaeili; Rahim Barzegar; Naeimeh Kazemian

Volume 27, Issue 108 , Summer 2018, , Pages 245-256


  Qareh-Ziaeddin plain is located in the West Azarbaijan province, Northwest of Iran. The aim of this study is to investigate the effective factors and processes on the groundwater chemical quality of Qareh-Ziaeddin plain. For this purpose, 20 water samples were collected from groundwater resources in ...  Read More

11. Comparison of quantity and quality changes of the Urmia lake water with emphasis on the southeast bank data

A. Shemshaki; Gh. H. Karami

Volume 26, Issue 103 , Spring 2017, , Pages 102-106


  The water level of Urmia lake during the last twenty years has been significantly declining. Along with changes in quantity, water quality has also substantially changed. In this article, attempts has been made to identify the relationship between water quality and quantity to have a better understanding ...  Read More