Volume 32 (2023)
Volume 31 (2022)
Volume 30 (2021)
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)
Volume 15 (2006)
Volume 14 (2005)
Volume 13 (2004)
Volume 12 (2003)
Volume 11 (2002)
Volume 10 (2001)
Volume 9 (2000)
Volume 8 (1999)
Volume 7 (1998)
Volume 6 (1997)
Volume 5 (1996)
Volume 4 (1995)
Volume 3 (1994)
Volume 2 (1992-1993)
Volume 1 (1990-1992)
Satellite image fusion using FastIHS method and spectral response curves

Kosar Kabiri; Sayyed Bagher Fatemi

Volume 29, Issue 114 , August 2020, Pages 7-20

https://doi.org/10.22131/sepehr.2020.44578

Abstract
  Extended Abstract Introduction Different image fusion methodsprimarily seek to improve spectral and spatial content of the final result. However, the final fused image often suffers from some spectral distortions. Moreover, some image fusion methods are too slow. Image fusion using IHS transformation ...  Read More

Evaluation of combinatorial methods used for datum definition in classical geodetic network monitoring

Zahra Banimostafavi; Saeed Farzaneh; Mohammad Ali Sharifi

Volume 29, Issue 114 , August 2020, Pages 21-35

https://doi.org/10.22131/sepehr.2020.44579

Abstract
  Extended Abstract: Introduction Nowadays, engineering structures face many threats. Natural and human activities can result in deformation and displacement of dams, bridges, and towers. As a result, any crack in the body of these structures is important and may have dangerous consequences. To prevent ...  Read More

Introducing a new local FCD model based on local adaptive thresholdingwith the aim of estimating forest canopy density over large areas

Masoud Taefi Feijani; Saeed Azadnejad

Volume 29, Issue 114 , August 2020, Pages 37-49

https://doi.org/10.22131/sepehr.2020.44580

Abstract
    Extended Abstract 1- Introduction The present study primarily sought to present a new FCD model to eliminate two limitations of the initial FCD model.These limitations included the fact thatimplementing the initial FCD model for sensors without a thermal bandwas not possible, sincethe model ...  Read More

Investigating the effect of leaf-on and leaf-off canopy on PALSAR-2 data with the aim of estimating above-ground biomass in Hyrcanian Forests

Parisa Golshani; Yasser Maghsoudi; Hormoz Sohrabi

Volume 29, Issue 114 , August 2020, Pages 51-65

https://doi.org/10.22131/sepehr.2020.44581

Abstract
  Extended Abstract Introduction Estimation of forest Carbon stocks plays an important role in assessing the quantity of carbon exchange between the forest ecosystem and the atmosphere. Direct methods of measuring carbon stock are not economically efficient. Optical remote sensing methodsalso have limited ...  Read More

Preliminary comparative assessment of Sentinel 2 and Landsat 8 (MSI and OLIsensors) images

Sara Attarchi; Najmeh Poorakbar

Volume 29, Issue 114 , August 2020, Pages 67-78

https://doi.org/10.22131/sepehr.2020.44582

Abstract
  Extended Abstract Introduction Free access to the Landsat dataset and Sentinel 2 images has provided a great opportunity for long-term monitoring of resources. Landsat 8 was launched in 2013 to continue the mission of the previous Earth observation satellites. Landsat 8multi-spectral sensor, Operational ...  Read More

Determining the best algorithm to calculate land surface temperature with the aim of identifying geothermal areas - Case study: MeshkinShahr County

Reza Parhizcar isalu; Khalil Valizadeh Kamran; Bakhtiar Faizizadeh

Volume 29, Issue 114 , August 2020, Pages 79-98

https://doi.org/10.22131/sepehr.2020.44583

Abstract
  Extended Abstract Introduction Geothermal energy is one of the major sources of new and environmentally friendly energieswhich, if used correctly and based on environmental parameters, plays an important role in the energy balance of the country and the goals of sustainable development.However, detecting ...  Read More

Mapping the risk of road traffic accidents based onVolunteered Geographic Information using Analytic Hierarchy Process (AHP) and Analytic Network Process (ANP)

Mehrdad AhangarCani; Mohammad Reza Malek

Volume 29, Issue 114 , August 2020, Pages 99-115

https://doi.org/10.22131/sepehr.2020.44596

Abstract
  Extended Abstract Introduction and Objective Road traffic accidents impose numerous social, economic, and cultural costs upon various societies, especially developing countries. Identification of accident blackspots is a method proposed to deal with car accident risks. Among various events associated ...  Read More

Landslide hazard zoning using weighted overlay and Analytic Network Process Methods - Case study: Nasrabad region in Golestan Province

Saeid Hamzeh; Afshin Amiri

Volume 29, Issue 114 , August 2020, Pages 117-132

https://doi.org/10.22131/sepehr.2020.44597

Abstract
  Extended Abstract Introduction As a type of mass movement involving slow or rapid movement of soil, rock material or both on the lower hillsides, landslide is under the effect of gravity.Landslide is recognized as one of the most common geological disasters causing worldwide damages and casualties.Landslide ...  Read More

Monitoring variability of soil moisture in Hour-al-Azim Wetland and its relation to dust storms in southwest Iran

Mahdi Sedaghat; Hamid Nazaripour

Volume 29, Issue 114 , August 2020, Pages 133-145

https://doi.org/10.22131/sepehr.2020.44598

Abstract
  Extended Abstract Introduction Soil moisture is considered to be a key parameter in meteorology, hydrology, and agriculture, and the estimation of its temporal-spatial distribution contributes to understanding the relations between precipitation, evaporation, water cycle, and etc. Soil moisture reduction ...  Read More

Analysis and prediction of urban growth and its impact on land use using remote sensing and CA-Markov ; Case study: Marivan, Baneh and Saqqez cities

SHadman Darvishi; Karim Solaimani; Morteza Shabani

Volume 29, Issue 114 , August 2020, Pages 147-163

https://doi.org/10.22131/sepehr.2020.44599

Abstract
  Extended Abstract Introduction  Urbanization is a continuous process and the spatial patternsof urban growth havealways played an important role in the transformation of human life throughout history. Urban growth has two dimensions: demographic and spatial, meaning that with increased urban population, ...  Read More

Synoptic analysis of heavy and hazardous precipitations in western and south western Iran during the first ten days of April 2019

Farshad Pazhooh; Farzaneh Jafari

Volume 29, Issue 114 , August 2020, Pages 165-184

https://doi.org/10.22131/sepehr.2020.44600

Abstract
  Extended Abstract Introduction Due to its specific geographical situation,Iranhas an especial precipitation pattern. In other words,despitehaving a precipitation equal to one-third of global average,Iran experiences a strong fluctuation in its rainfall regime. According to global classifications, floods ...  Read More

GIS-Based spatial analysis of land use in Kermanshah City from the view point of passive defense

Mahnaz Hosseini Syahgoli; Ismail Soleimanirad; Mohammad Raouf Heydarifar

Volume 29, Issue 114 , August 2020, Pages 185-194

https://doi.org/10.22131/sepehr.2020.44601

Abstract
  Extended Abstract Introduction Today the costs of building and utilizing industrial centers are too high and thus,any disruption in these centers will have a negative effect on other urban functions.Hence, the presence of sensitive and vital land uses,especially heavy industries in the central urban ...  Read More