Volume 78 (2025)
Volume 77 (2024)
Volume 76 (2023)
Volume 75 (2022)
Volume 74 (2021)
Volume 73 (2020)
Volume 72 (2019)
Volume 71 (2018)
Volume 70 (2017)
Volume 69 (2016)
Volume 68 (2015)
Volume 67 (2014)
Volume 66 (2013)
Volume 65 (2012)
Volume 63 (2010)
Volume 62 (2009)
Analysis of the surface water quality parameters in the Aji-Chai Watershed based on the multivariate statistical techniques

majid kazemzadeh; arash malekian

Volume 70, Issue 2 , August 2017, , Pages 465-478

https://doi.org/10.22059/jrwm.2017.109430.779

Abstract
  One of the most important dynamic ecosystems is river, awareness of spatio-temporal water quality changes of which is necessary. In this research, we studied the spatiotemporal water quality changes using three techniques of Cluster analysis (CA), Discriminant analysis (DA) and Principal Component analysis ...  Read More

Identification of Homogenous Watershed Basins for Estimating Soil Erosion and Sediment Yield Applying Different Methods of Cluster Analysis (Case study: North Alborz)

nasim arman; Ali Salajegheh; Sadat Feiznia; Hassan Ahmadi; Jamal Ghoddousi; ali kiani rad

Volume 69, Issue 2 , July 2016, , Pages 261-273

https://doi.org/10.22059/jrwm.2016.61682

Abstract
  Identification of homogenous watershed sub basins allows generalization of environmental study results. For this purpose, first available data for 27 selected watersheds in North Alborz regarding 21 variables including physiographic and climatic characteristics was gathered. The most important factors ...  Read More