پژوهشی
Accepted: Estimates of maximum flood discharge, transfer capacity and sedimentation of Sonqor watershed using the GIUH and WinTR-55 models

Hamed Gholamian; Alireza Ildoromi

Volume 7, Issue 24 , December 2020, Pages 1-18

https://doi.org/10.22034/hyd.2020.27121.1399

Abstract
  1-IntroductionIn the catchment areas without statistics or incomplete statistics, the extraction of flood characteristics and the provision of water resources and sediment transport analysis are appropriate using empirical methods or models based on the watershed characteristics. One of these methods ...  Read More

پژوهشی
Predicting the effects of land use changes on the monthly flow using hydrological model and Remote Sensing in the Kouzetopraghi watershed, Ardabil

Hassan Khavarian; Maryam Aghaie; Raoof Mostafazadeh

Volume 7, Issue 24 , December 2020, Pages 19-39

https://doi.org/10.22034/hyd.2020.37489.1512

Abstract
  1-IntroductionLand use change has significant effects on hydrological and ecological processes at different temporal and spatial scales. Many hydrological models have been developed based on the characteristics of the basin, available data and purpose of the study. To predict the characteristics of river ...  Read More

پژوهشی
Quantitative and Comparative Analysis of Slope Instability in Karaj-Chaloos Road (Karaj-Gachsar), and Under Construction Highway of Tehran-North (Tehran-Soleghan) by the Use of Logistic Regression

shahram roostaei; davood mokhtari; christin jananeh

Volume 7, Issue 24 , December 2020, Pages 41-63

https://doi.org/10.22034/hyd.2020.38806.1522

Abstract
  1-IntroductionMass movements of the earth's surficial materials downward the slopes is called slope instability, which is affected by the earth gravity, while the rate of material mobility increases by the presence of water in the sediments. Each year, slope instabilities cause enormous economic damages ...  Read More

پژوهشی
Landslide hazard zoning using artificial neural network models and TOPSIS downstream of Sanandaj Dam

asadollah hejazi; mohammadhossein rezaeimoghaddam; adnan naseri

Volume 7, Issue 24 , December 2020, Pages 65-82

https://doi.org/10.22034/hyd.2020.11060

Abstract
  1-IntroductionThe purpose of this study is to select the best model and identify landslide risk areas in the downstream basins of Sanandaj Dam. Every year, mass movements in the region cause damage to roads, natural resources, farms and residential areas, and increase soil erosion. Kurdistan province, ...  Read More

پژوهشی
Flood Analysis of Subbasins Using WASPAS Model (Case Study: Aland Chai Basin, Northwest of Iran)

Mohammad Hossein Rezaei Moghaddam; asadollah hejazi; Khalil Valizadeh kamran; Tohid Rahimpour

Volume 7, Issue 24 , December 2020, Pages 83-106

https://doi.org/10.22034/hyd.2020.39815.1534

Abstract
  1- Introduction Floods are one of the major natural hazards that annually cause extensive damage worldwide. There are numerous floods in the northwest of the country with the beginning of spring and the start of spring rains, which in most cases results in heavy damages. Aland chai catchment suffers ...  Read More

پژوهشی
Drought evaluation of a thirty-year period (1988 – 2017) in Lurestan Province using the Percent of Normal precipitation Index (PNI)

Amin Navidtalab; Ghasem Askari; Farahnaz Ahmadpour; Maryam Tahmasebi

Volume 7, Issue 24 , December 2020, Pages 107-125

https://doi.org/10.22034/hyd.2020.40496.1537

Abstract
  1-IntroductionOne of the most important issues, facing the human society and environment, is water resources management. Regarding the drought, this issue turns to a serious challenge for decision makers, and affect the the people more than other natural hazards (Hagman, 1984). Normally, drought occurs ...  Read More

پژوهشی
Investigating the Role of Land Use Changes in Hydrological Changes of Surfaces in Mountainous Area, Case Study: Ojan Chay Basin

maryam bayatikhatibi

Volume 7, Issue 24 , December 2020, Pages 127-144

https://doi.org/10.22034/hyd.2020.41198.1540

Abstract
  1-IntroductionIn the drainage basins of arid and semi-arid areas where the ecosystem is not able to recover quickly, extreme care should be taken with land use. The hydrological effects of changes in land use are manifested in the form of changes in runoff depth, minimum flow, maximum flow, soil moisture, ...  Read More

پژوهشی
Study of Soil Erosion Potential Using Landscape Measurements (Case Study: Sharif Beiglou Watershed, Ardabil Province)

Abazar Esmali Ouri; Fatemeh Kateb

Volume 7, Issue 24 , December 2020, Pages 145-164

https://doi.org/10.22034/hyd.2020.41552.1543

Abstract
  1- IntroductionIn recent years, concerns regarding the impact of changing patterns of land-use owing to deforestation and agricultural development or elimination have led to numerous crises in the quality of water and soil resources (Lam et al., 2018). Alterations in land use resulting from human activities, ...  Read More

پژوهشی
Investigating the Effect of Gold Mining on Land Cover Trend at pixel scale using a combination of remote sensing data and Mann-Kendall Test in Northwestern Iran, Case study: Andaryan region, East Azerbaijan

soghra andaryani; Vahid Nourani

Volume 7, Issue 24 , December 2020, Pages 165-181

https://doi.org/10.22034/hyd.2020.41729.1550

Abstract
  1-IntroductionMining industry has almost negative and destructive effects on the environment and ecosystems of regions and can affect the health of humans and other living organisms including animals, plants, soil, water, and the entire biosystem of the region on a local and regional scale.2-MethodologyThe ...  Read More

پژوهشی
Spatial assessment and analysis of flood risk in desert and desert areas based on the combination of ANP methods and pairwise comparison in GIS environment, Case study of Khorasan Razavi province

hojatolah younesi; ahmad godarzi; behzad javadi

Volume 7, Issue 24 , December 2020, Pages 183-200

https://doi.org/10.22034/hyd.2020.42094.1551

Abstract
  1-IntroductionFlood is a natural phenomenon that human societies have accepted as an unavoidable event caused by a number of factors, depending on the climatic and natural conditions of the region. It is believed that the relationship between rainfall and runoff is significantly different from one basin ...  Read More