Evaluation of Operational Atmospheric Correction effects on Surface Reflectance and Albedo using Landsat-OLI images

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RAHIMPOUR MORTEZA; KARIMI NEMATOLLAH; Behifar Maedeh; Sheshangousht Sara

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Journal: ENGINEERING JOURNAL OF GEOSPATIAL INFORMATION TECHNOLOGY Year:2019 | Volume:7 | Issue:2 Page(s): 113-131

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Title

Evaluation of Operational Atmospheric Correction effects on Surface Reflectance and Albedo using Landsat-OLI images

Author(s)

RAHIMPOUR MORTEZA | KARIMI NEMATOLLAH | Behifar Maedeh | Sheshangousht Sara | Issue Writer Certificate

Keywords

Surface AlbedoQ1

Atmospheric CorrectionQ1

OLI ImageryQ1

MODIS productQ1

Abstract

Surface Albedo is one of the most effective practical remote sensing data being used directly or indirectly in different studies. In this study, various methods of Atmospheric Correction were investigated to pick up an accurate and precise method for estimating the Surface Albedo with Atmospheric Correction approach. Needless to say that information of humidity and digital elevation model are fundamental inputs in selected method which are being used automatically for every studying area. Then after running the model, results evaluated in two steps. At the first step, corrected atmospheric reflectance of OLI images was compared with MODIS BRDF product (MACD43A4). The results had a high correlation (between 0. 95 and 0. 97), and a smaller error (about 5. 9%) and is reduced absolute error rate in all bands about 24. 6%. In the second step, the broad band albedo was evaluated. Initially, the broadband albedo was compared to MODIS product (MCD43A3) in white and black sky conditions, with the lowest mean square error 0. 049 (WSA) and 0. 666 (BSA), successively. Moreover, this factor (broad band albedo) was assessed in different land uses, in which the maximum rate of broad band albedo changes before and after atmosphere correction relates to bright soil, dark mountainous and agricultural areas, respectively. The rate of albedo change in all land uses were decreased approximately between 0. 05 and 0. 18. Finally, it is suggested that, Atmospheric Correction is necessary in the surface-albedo estimation, mainly, it is essential in both automatic run and large areas with different climate characteristics.

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APA: Copy

RAHIMPOUR, MORTEZA, KARIMI, NEMATOLLAH, Behifar, Maedeh, & Sheshangousht, Sara. (2019). Evaluation of Operational Atmospheric Correction effects on Surface Reflectance and Albedo using Landsat-OLI images. ENGINEERING JOURNAL OF GEOSPATIAL INFORMATION TECHNOLOGY, 7(2 ), 113-131. SID. https://sid.ir/paper/230124/en

Vancouver: Copy

RAHIMPOUR MORTEZA, KARIMI NEMATOLLAH, Behifar Maedeh, Sheshangousht Sara. Evaluation of Operational Atmospheric Correction effects on Surface Reflectance and Albedo using Landsat-OLI images. ENGINEERING JOURNAL OF GEOSPATIAL INFORMATION TECHNOLOGY[Internet]. 2019;7(2 ):113-131. Available from: https://sid.ir/paper/230124/en

IEEE: Copy

MORTEZA RAHIMPOUR, NEMATOLLAH KARIMI, Maedeh Behifar, and Sara Sheshangousht, “Evaluation of Operational Atmospheric Correction effects on Surface Reflectance and Albedo using Landsat-OLI images,” ENGINEERING JOURNAL OF GEOSPATIAL INFORMATION TECHNOLOGY, vol. 7, no. 2 , pp. 113–131, 2019, [Online]. Available: https://sid.ir/paper/230124/en

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