برآورد سطح پوشش گیاهی و زمین های زارعی شهرستان بابلسر از طریق تصاویر ماهواره ای سنتینل2 با استفاده از شاخصNDVI
محورهای موضوعی :
پهنه بندی گیاهی
محمدرضا یوسفی روشن
1
(گروه آموزش جغرافیا، دانشگاه فرهنگیان، تهران، ایران. *(مسوول مکاتبات))
حمید عمونیا
2
(گروه آموزش جغرافیا، دانشگاه فرهنگیان، تهران، ایران.)
تاریخ دریافت : 1400/08/30
تاریخ پذیرش : 1401/04/08
تاریخ انتشار : 1402/08/01
کلید واژه:
سنتینل2,
تصاویر ماهواره ای,
سطح زیرکشت,
شاخص NDVI,
چکیده مقاله :
زمینه و هدف: پایش کمی و کیفی پوشش های گیاهی از کاربردهای اصلی دانش سنجش از دور می باشد. برآورد سطح پوشش گیاهی و زمین های زارعی به روش سنتی زمان بر است. سنجش از دور به جهت ارائه اطلاعات به روز، پوشش های تکراری، سنجش در محدوده های طیفی متفاوت، سنجش کمی و رقومی پدیده های سطح زمین، از اهمیت بالایی برخوردار است. این پژوهش با هدف برآورد سطح پوشش گیاهی و زمین های زارعی شهرستان بابلسر از طریق تصاویر ماهواره ای سنتینل2 با استفاده از شاخص NDVI انجام گرفته است.
روش بررسی: روش تحقیق حاضر توصیفی- تحلیلی مبتنی بر داده های تصاویر ماهواره ای سنتینل2 سال2019 است. این تصاویر از طریق سایت USGS استخراج شده اند. تصاویر بعد از استخراج در سامانه های نرم افزاری سنجش از دوری و سیستم اطلاعات جغرافیایی مورد پردازش قرار گرفته و نتایج مورد نیاز استخراج شده اند.
یافته ها: بعد از دریافت تصاویر ماهواره ای سنتینل2، باندهای 2، 3، 4، 8 که دارای قدرت تفکیک مکانی10متری و بعد از انجام پیش پردازش و تصحیحات اتمسفریک، براساس زبان برنامه نویسی IDL، با استفاده از شاخص NDVI، ROI سنتینل2 بدست آمد، سپس خروجی Threshold بین حداکثر 1 تا حداقل 5/0 محاسبه و با یک خروجی Shape file در ENVI و نرم افزار Arc Map مساحت پوشش گیاهی و سطح زیرکشت زمین های زارعی شهرستان بابلسر در تاریخ اخذ تصاویر ماهواره ای محاسبه و نتیجه گیری انجام شده است.
بحث و نتیجه گیری: نتایج نشان داد که سطح زیرکشت زمین های زارعی و پوشش گیاهی شهرستان بابلسر بیش از 52 درصد برآورد شده است. دقت کلی 95 درصد و ضریب کاپای 89 درصد با ارزیابی خروجی شاخص NDVI نشان داد می توان از تصاویر سنتیل 2 برای استخراج پوشش گیاهی و زمین های زراعی استفاده نمود.
چکیده انگلیسی:
Background and Objective: Quantitative and qualitative monitoring of vegetation is one of the main applications of remote sensing knowledge. Estimating the area of vegetation and agricultural lands in the traditional way is time consuming. Remote sensing is of great importance for providing up-to-date information, duplicate coverage, sensing in different spectral ranges, quantitative and digital sensing of surface phenomena. This study was conducted to estimate the level of vegetation and agricultural lands of Babolsar county through Sentinel 2 satellite images using NDVI index.
Material and Methodology: The present research method is descriptive-analytical based on the data of Sentinel 2 satellite images of 2019. These images were extracted from the USGS website. After extraction, the images are processed in remote sensing software systems and geographic information systems, and the required results have been extracted.
Findings: After receiving the Sentinel 2 satellite images, the bands 2, 3, 4, 8, which have a spatial resolution of 10 meters, after preprocessing and atmospheric corrections, based on IDL programming language, using NDVI index, Sentinel 2 ROI were obtained, then output. Threshold was calculated between a maximum of 1 and a minimum of 0.5 and with a Shape file output in ENVI and Arc Map software, the area of vegetation and the area under cultivation of agricultural lands in Babolsar county were calculated and concluded on the date of obtaining satellite images.
Discussion and Conclusion: The results showed that the area of arable land and vegetation of Babolsar city is estimated to be more than 52%. Overall accuracy of 95% and kappa coefficient of 89% by evaluating the output of NDVI index showed that Sentinel 2 images can be used to extract vegetation and arable lands.
منابع و مأخذ:
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Alipour, Farideh, Mohammad Hossein Aghkhani, Mohammad Hassan Abbaspourfard and Adel Sepehr (2014), Separation of range and area estimation of agricultural crops using ETM + satellite images (Case study: Astan Quds Razavi sample farm), Journal of Agricultural Machinery, 4 (2) , pp. 254-244. (In Persian)
Matkan, Ali Akbar, Davood Ashourlou, Gholampour, Ali, Aghighi, Hossein, Hosseini Asl, Amin and Ashourlou, Morteza (2009), Presenting an index for extracting wheat cultivated lands with remote sensing data, Journal of Agriculture, No. 84: 72-66. (In Persian)
Ashourloo, Morteza, Ali Mohammadi, Abbas, Rezaian Parviz and Ashourloo, Davood (2006), Application of Linear Diagnosis Analysis in Separation of Wheat from Other Products on Satellite Images, Environmental Sciences, Fourth Year, No. 2, pp. 116-101. (In Persian)
Pourkhbaz, Hamidreza, Mohammadyari, Fatemeh, Tavakoli Morteza and Aghdar, Hossein (2014), Preparation of vegetation mapping and monitoring of its changes using remote sensing techniques and GIS (Case study of Behbahan city), Quarterly Journal of Information Geography (Sepehr) Volume 23, Number 92, Pages 34-23. (In Persian)
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Adamchuk, V.I., Perk, R.L, & Schepers, J. S, 2003. Applications of remote sensing in site-specific management, University of Nebraska Cooperative Extension Publication EC, (2003): 03-702.
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Pettorelli, N., Vik, J.O, Mysterud, A, Gaillard, J.M, Tucker, C.J, & Stenseth, N.C, 2005. Using the satellite –derived NDVI to assess ecological responses to environmental change.J, Trends in ecology and evolution. Vol.20 No.9.
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Languille, F., A. Gaudel1, B. Vidal, R. Binet, V. Poulain, and T. Trémas, 2017. Sentinel-2B Image Quality commissioning phase results and Sentinel2 constellation performances. Conference on Sensors, Systems, and Next-Generation Satellites XXI Location: Warsaw, POLAND Date: SEP 11-14, 2017.
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Luimi, Naeem, Akram Assadaleh, Bagheri Nikroz and Haji Ahmad, Ali (2021), Evaluation of several spectral indices for estimating canola yield using sentinel-2 sensor images, Journal of Agricultural Machinery, Volume 11, Number 2, Second Semester, pp. 464-447. (In Persian)
Canadian Remote Sensing Center (2019), Fundamentals of Applied Remote Sensing, translated by Valizadeh Kamran, Khalil and Mahdavi Fard, Mostafa, Tehran, Satellite Publications. (In Persian)
Daroi, Parasto, Riahi, Vahid, Ziaian Firoozabadi, Parviz and Azizpour, Farhad (2019), Determining the area under cultivation of agricultural products in Lenjanat region using satellite images, Journal of Applied Research in Geographical Sciences, Nineteenth Year, No. 52., Spring, 169-147. (In Persian)
Alavi Panah, Kazem (2010). Application of remote sensing in earth sciences, University of Tehran Press, third edition. (In Persian)
Mcbratney, A., B. Whelan, T. Ancev, and J. Bouma. 2005. Future Directions of Precision Agriculture. Journal of Precision Agriculture 6 (1): 7-23.
Yan, Y., (2003), “Object-based Classification of Remote Sensing Data for change detection”, elsevier.com.
Alipour, Farideh, Mohammad Hossein Aghkhani, Mohammad Hassan Abbaspourfard and Adel Sepehr (2014), Separation of range and area estimation of agricultural crops using ETM + satellite images (Case study: Astan Quds Razavi sample farm), Journal of Agricultural Machinery, 4 (2) , pp. 254-244. (In Persian)
Matkan, Ali Akbar, Davood Ashourlou, Gholampour, Ali, Aghighi, Hossein, Hosseini Asl, Amin and Ashourlou, Morteza (2009), Presenting an index for extracting wheat cultivated lands with remote sensing data, Journal of Agriculture, No. 84: 72-66. (In Persian)
Ashourloo, Morteza, Ali Mohammadi, Abbas, Rezaian Parviz and Ashourloo, Davood (2006), Application of Linear Diagnosis Analysis in Separation of Wheat from Other Products on Satellite Images, Environmental Sciences, Fourth Year, No. 2, pp. 116-101. (In Persian)
Pourkhbaz, Hamidreza, Mohammadyari, Fatemeh, Tavakoli Morteza and Aghdar, Hossein (2014), Preparation of vegetation mapping and monitoring of its changes using remote sensing techniques and GIS (Case study of Behbahan city), Quarterly Journal of Information Geography (Sepehr) Volume 23, Number 92, Pages 34-23. (In Persian)
Falahatkar, Sara (2008), Detection of Isfahan land cover changes using remote sensing and GIS, Master Thesis, Faculty of Natural Resources, Isfahan University of Technology. (In Persian)
Adamchuk, V.I., Perk, R.L, & Schepers, J. S, 2003. Applications of remote sensing in site-specific management, University of Nebraska Cooperative Extension Publication EC, (2003): 03-702.
LI, W. G., Hua, L. I., & ZHAO, L. H. (2011). Estimating rice yield by HJ-1A satellite images. Rice Science, 18(2), 142-147.
Alavi Panah et al. (2006). Investigation of spectral variability of different cover and water phenomena using remote sensing, Journal of Geographical Research, No. 58, pp. 97-81. (In Persian)
Pettorelli, N., Vik, J.O, Mysterud, A, Gaillard, J.M, Tucker, C.J, & Stenseth, N.C, 2005. Using the satellite –derived NDVI to assess ecological responses to environmental change.J, Trends in ecology and evolution. Vol.20 No.9.
Johnson, D. M. 2016. A comprehensive assessment of the correlations between field crop yields and commonly used MODIS products. International Journal of Applied Earth Observation and Geo information 52: 65-81.
Alavipanah, S. K. 2016. Fundamentals of modern remote sensing and interpretation of Satellite images and aerial photos. University of Tehran. Tehran. (In Persian)
Raun, W. R., J. B. Solie, M. L. Stone, E. V. Lukina, W. E. Thomason, and J. S. Schepers. 2001. In-season prediction of potential grain yield in winter wheat using canopy reflectance. Agronomy Journal 93: 131-138.
Gonsamo and J. M. Chen, ―Spectral Response Function Comparability Among21Satellite Sensors for Vegetation Monitoring,‖ IEEE Trans. Geosci. Remote Sens., vol. 51, no. 3, pp. 1319–1335, Mar.
Funk, C., Budd, M. E.,(2009). Phenologically-Tuned MODIS NDVI-based production nomaly estimates for Zimbabwe, Remote Sensing of Environment, 113, 115-
Yamani, Mojtaba, Mazidi, Mohammad Ali (2008), Survey of changes in surface and vegetation of Siahkuh desert using remote sensing data, Journal of Geographical Research, No. 64, pp. 12-1. (In Persian)
Shafiei, Hosseini, Hamed, Seyed Mahmoud (2012), Survey of vegetation using satellite data in Sistan region, Journal of Plant Ecophysiology, Third Year, pp. 105-91. (In Persian)
Falahtkar, Samarra, Saberfar Rahimeh, Kia, Seyed Hossein (2015), Analysis of changes in vegetation indices in Landsat satellite sensors (Case study: East junipers of Golestan National Park and Qarkhod Protected Area), Iranian Quarterly Journal of Natural Ecosystems, Year Ninth, first issue, consecutive 31, spring, pages 91-71. (In Persian)
Du, Y., Zhang, Y., Ling, F., Wang, Q., Li, W., & Li, X. 2016. Water Bodies’ Mapping from Sentinel-2 Imagery with Modified Normalized Difference Water Index at 10-m.
Languille, F., A. Gaudel1, B. Vidal, R. Binet, V. Poulain, and T. Trémas, 2017. Sentinel-2B Image Quality commissioning phase results and Sentinel2 constellation performances. Conference on Sensors, Systems, and Next-Generation Satellites XXI Location: Warsaw, POLAND Date: SEP 11-14, 2017.
