SURVEYING OF SALINE SOILS WITH SPECTRAL ANALYSIS OF LISS III SENSOR AND FIELD DATA CASE STUDY: FARS PROVINCE (TASHK & BAKHTEGAN LAKE)

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ABDOLAZIMI H.; ALAVIPANAH S.K.; MAHDIAN M.H.; MATINFAR H.R.; PAZIRA E.; MASIHABADI M.H.

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Journal: Iranian Journal of Geology Year:2010 | Volume:4 | Issue:13 Page(s): 75-88

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Title

SURVEYING OF SALINE SOILS WITH SPECTRAL ANALYSIS OF LISS III SENSOR AND FIELD DATA CASE STUDY: FARS PROVINCE (TASHK & BAKHTEGAN LAKE)

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Keywords

FARS PROVINCEQ2

LISS-III SENSORQ2

SALINITY DATAQ3

SPECTRAL ANALYSISQ3

Abstract

In this research, the data of LISS-III SENSOR used for mapping saline soils on the vicinity of Tashk and Bakhtegan Lake, FARS PROVINCE. After the corrections of the imagery, the training and control pixels selected and the soil samples (depth of 5 cm) prepared. Then pixels of the imagery classified in different approaches by maximum likelihood algorithm. Analysis of spectral graphs of classes indicated that the most reflectance of saline soils was in visible spectral. The highest correlation coefficient between salinity values and digital numbers of bands (0.45) observed in band 2. Investigation of feature space graphs indicated, almost single clusters formed in all of the classes except in low and moderate saline soils. The white salt crusts lied in the highest portion of soil line and black salt crusts in lower parts. The roughness and moisture were the main factors in reflectance decreasing of salt crusts in studied region. In non-saline soils, the roughness are produced by large clods in ploughed areas was the effective factor of reflectance decreasing. Presence of plant cover and residual of the straw are the reasons for error in identifying of saline soils. Results of classification of different approaches indicated the highest accuracy of procedure, user, overall and kappa index was observed in integration of all bands. In all of approaches, soils with low and moderate salinity had low accuracy. The produced map of LISS-III SENSOR indicated that when the salinity values is above 16 dS/m, this is on the soils at the vicinity of the lake and as move further, it is decreased and in the central parts of the plain and in agriculture lands, it is increased again.

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APA: Copy

ABDOLAZIMI, H., ALAVIPANAH, S.K., MAHDIAN, M.H., MATINFAR, H.R., PAZIRA, E., & MASIHABADI, M.H.. (2010). SURVEYING OF SALINE SOILS WITH SPECTRAL ANALYSIS OF LISS III SENSOR AND FIELD DATA CASE STUDY: FARS PROVINCE (TASHK & BAKHTEGAN LAKE). IRANIAN JOURNAL OF GEOLOGY, 4(13), 75-88. SID. https://sid.ir/paper/129300/en

Vancouver: Copy

ABDOLAZIMI H., ALAVIPANAH S.K., MAHDIAN M.H., MATINFAR H.R., PAZIRA E., MASIHABADI M.H.. SURVEYING OF SALINE SOILS WITH SPECTRAL ANALYSIS OF LISS III SENSOR AND FIELD DATA CASE STUDY: FARS PROVINCE (TASHK & BAKHTEGAN LAKE). IRANIAN JOURNAL OF GEOLOGY[Internet]. 2010;4(13):75-88. Available from: https://sid.ir/paper/129300/en

IEEE: Copy

H. ABDOLAZIMI, S.K. ALAVIPANAH, M.H. MAHDIAN, H.R. MATINFAR, E. PAZIRA, and M.H. MASIHABADI, “SURVEYING OF SALINE SOILS WITH SPECTRAL ANALYSIS OF LISS III SENSOR AND FIELD DATA CASE STUDY: FARS PROVINCE (TASHK & BAKHTEGAN LAKE),” IRANIAN JOURNAL OF GEOLOGY, vol. 4, no. 13, pp. 75–88, 2010, [Online]. Available: https://sid.ir/paper/129300/en

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