Comparison of optics and radar images to obtain vegetation cover in Zagros forests (study area: Yasuj)
Subject Areas : Journal of Radar and Optical Remote Sensing and GISseyede_Razieh keshavarz 1 , Mohamad Hosein Mokhtari 2
1 - Master of Science in Remote Sensing and GIS
2 - Assistant Professor, Department of Natural Resources and Desert, Yazd University, Iran
Keywords: Fire, Landsat 8, Sentinel, NDVI, Backscatter,
Abstract :
Forests in the Zagros region have undergone many changes in recent years due to the uncontrolled interference of humans and the dependence of people on these resources. The use of remote sensing and geographic information systems is widely used in many scientific and research fields and it is important to use this science to obtain vegetation cover. In this study, we tried to use optical images including Landsat 8 OLI satellite imagery, sentinel 2 and Power Sentinel 1 radar images (GRDH) on dates 30/05/2017 to 23/10/2017 to obtain vegetation cover before and after from the fires of the region on the specified dates, then with the comparison between the backscatter values, the power and power values and the values of the normalized vegetation index (NDVI), from the optical images, the precision of the images used for Obtaining coverage was discussed.Further, the specified fire areas were determined by creating a buffer of 200metre away, and the average NDVI and Backscatter were calculated from the desired optics and radar images. The results showed that Landsat 8 and Sentinel 2 images are complementary, and both images can be used to calculate vegetation and can be used for studying low-lying forests such as Yasouj forests, NDVI indexes for obtaining The amount of vegetation is appropriate. Also, the use of Powerline images of Sentinel 1 due to C bandwidth can show us the amount of coating variation.
Arokhi.,Saleh, Jafarzadeh., Ali Akbar and Yousefi., Saleh (1391). Simulation of forest degradation using logistic regression, GIS and remote sensing, Case: Northern Forests of Iran, Geography and Development, No. 29, pp. 31-42.
Jafarzadeh., Ali Akbar, Ahmadi Reza, Fathi., Hojatollah and Naderi., Mostafa (1395). Preparation of Forest Fire Risk Map Using Logistic Regression in GIS Environment (Case Study: Ilam City Forests), Strategic Strategy Quarterly, Year 1, Issue 2.
Jafari., Ali and Arman., Zahra, (1393). Monitoring the changes of vegetation of Helen forest protected area and its reasons based on two-time analysis of NDVI, Natural Environment, Natural Resources of Iran, Volume 67, Issue 4, pp. 391-402.
Hosseinzadeh., Mohammad Mehdi, Esmaeili., Reza, Noahegar., Ahmad and Saqafi Mehdi, (2009). The study of forest cover changes in the northern slopes of Alborz (Case study: the boundary between the valley of Haraz and Chalous valley, Chalous, Noshahr, Noor and Amol districts), Environmental Sciences, seventh year, No. 1, pp. 1-20.
Rezvani., Mohammad and Hashemzadeh., Fahimeh (1392). Investigation of Factors Affecting Forest Degradation and the Effect of Exit Trap from the Fields of the Northern Forests of the North of Iran (Fouman), Journal of Science and Technology of Wood and Forest, Vol. 20, No. 3, p. 125-138.
Abdi., Omid, Akbar.,i Hasan, Sosani., Javad and Shirvani., Zainab (2009). Comparison of Plant Indices in Determination of Zagros Forest Coverage Using ETM + Data, Geomatics Conferences and Exhibitions.
Alavi Panah., Kazem, (1390). Principles of Remote Sensing and Interpretation of Satellite Images and Aerial Photos, Tehran University Press, Second Edition.
Mirza'i., Javad (1392). Causes and Causes of Destruction of Zagros forests and ways to deal with them, the first national conference on sustainable development strategies in agriculture, natural resources and environment.
Nekovey Mehr., Mohammad, Abdollahi., Khodayar, RaftNia., Nusratollah, Raisian., Ravanbakhsh, Jahanbazi., Hassan and Talibi., Mahmoud (2006). Journal of Research in Forest and Poplar Iran, Volume 14, Issue 3, pp228-243.
Mansouri., Nabiollah, Nazari., Rahim, Nasiri., Parvin and Ghoraghosloo., Alireza (2011). Development of Forest Fire Crisis Management Program with GIS & RS Technology, Journal of Remote Sensing Application and Geographic Information Systems in Planning Quarterly Journal, Second Year, No. 3, pp. 63-73.
Mohammadyari., Fatemeh, Pourkhobaz., Hamidreza, Tavakoli., Morteza and Aqdar., Hossein, (1393). Preparation of Vegetation Map and its Changes by Using Remote Sensing and Geographic Information Systems (Case Study: Behbahan City), Geographical Information System (Sepehr), Volume 23, Issue 92, pp. 24-34.
Ghasemi., Nafiseh, Sahebi., Mahmood Reza and Mohammadzadeh., Ali (2011). Estimation of the Biomass of Trees Using Satellite Images, Master Thesis, Khaje Nasir-Al-Din Tusi University of Technology, Department of Photogrammetry and Remote Sensing, Tehran, Iran.
Ezzat Abadipour., Hamid (1395). Introducing Sentinel Satellite 2, Third International Conference on Recent Innovations in Civil Engineering, Architecture and Urbanism.
Zarae Zade.,Azadeh, Ghorbani., sare, Kazemi Zamani.,Bahare, Ashegh Moaala., Maryam and Ja'fari., Hamid Reza (1392). Journal of Research in Forest and Poplar Iran, Volume 21, Issue 2, pp. 218-230.
Rezaei Banafsheh Majid, Rostamzadeh Hashem and Faizizadeh Bakhtiar, (2007). Investigation and Evaluation of the Change in Forest Levels Using Remote Sensing and GIS Case Study: Arasbaran Forests 2005-1987, Geographical Research, No. 62, pp. 133-159.
Farajzadeh Manouchehr, Ghavidel Rahimi Yousef and Makeri Sahel, (1394). Analysis of forest fires with climate data with satellite data in the Alborz region, Environmental spatial analysis, Journal of Environmental Statistics, Vol. 2, No. 3, pp. 83-104
Ranjbar., Abolfazl and Messenger., Mohammad Saadi (1391). Investigation of logistic regression model in forest degradation using remote sensing in GIS environment. Case study: Arasbaran forests, Geography and Planning Scientific Journal of Journal of Geography, Vol. 16, No. 42, pp. 155-177.
Adiku Samuel, Tehunen John and Granier Andre(2005), on the relationship of NDVI with leaf area index in a deciduods forest site, Remot Sensing of Environment, 244-255.
Aswani Wachiye Sheila, GIS based forest cover change and vulnerability analysis: A case study of the Nandi North forest zone(2013). Jornal of Geography and Regional planning , 159-171.
Ghaemirad T and Karimi M(2015). EVALUATION PERFORMANCES OF DIFFERENT FOREST FIRE SPREAD MODELS USING CELLULAR AUTOMATA (CASE STUDY: THE FORESTS OF LAKAN DISTRICT IN RASHT, IRANIAN JOURNAL OF FOREST AND POPLAR RESEARCH 2015 , Volume 23 , Number 1 64 – 78.
Gariraj A, Ulaah M I, Marthy M R and Beierkuhnlein C (2008). Modeling Spatial and Temporal Forest Cover change patterns(1973-2020) A case study from south Western Ghats (India), Sensors, 6132-6153.
H.Yamada Y, Yamaguchi E, Rodriguez Y , Kim and W, Boerner(2001). Polarimetric SAR interferometry for forest canopy analysis by using the super-resolution method sensing Symposium. IGARSS’01. IEEE2001 International.
Kobayashi Hideki, Delbart Nicolas, Asanuma Jun and Hiyama Tetsuya(2011). NDVI responses to the forest canopy and floor from spring to summer observed by airborne spectrometer in eastern Siberia, Remote Sensing of Environment, Volume 115, Issue 12, 3615-3624.
Mekonnen M, Tsegaye Sewunet, Mulu Gebeyehu, Bayleyegn Azene and Assefa M(2016). Melesse GIS and Remote Sensing-Based Forest Resource Assessment, Quantification, and Mapping in Amhara Region, Ethiopia, Springer International Publishing Switzerland, 9-29.
Mirdeilami T, Sharaee SH and Kavoosi M.R(2015). FOREST FIRE RISK ZONE MAPPING IN THE GOLESTAN NATIONAL PARK USING REGRESSION LOGISTIC METHOD, JOURNAL OF WOOD AND FOREST SCIENCE AND TECHNOLOGY , Volume 22 , Number 1,1 - 16.
Narayana Reddy S, D Jeevalakshmi and Maniliam B (2016). Land cover classification based on NDVI using LANDSAT8 time series: A case study Tirupati region, International Journal of Applied Engineering Research ISSN 0973-4562 Volume 12, Number 20 ,9679-9687.