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)
Simulating discharge and sediment production using SWAT in Chehelchai Watershed of Golestan Province

Akram Arefi Asl; Ali Najafinejad; Farshad Kiani; Abdolrassoul Salmanmahiny

Volume 66, Issue 3 , November 2013, , Pages 433-446


  Runoff and sediment measurement is difficult in mountain watershed because of many different problems such as time and financial limitations. So using simulation model is necessary in this regard. Accuracy and precision evaluation of models for different watershed of Iran is necessary. The aim of this ...  Read More

Study of Flight Height and Spatial Resolution of Aerial Photography in Estimating Canopy Cover Percentage of Shrub Lands

Molouk Royan; Adel Sepehri; Abdolrasoul Salman Mahini

Volume 65, Issue 3 , December 2012, , Pages 351-359


  Remote sensing and aerial photographs are used to produce medium to small scale images. However, for detailed information especially to estimate rangeland vegetation canopy cover there is a need to larger scale images. It is therefore necessary to study the technical applicability of different devices ...  Read More