COMPARING THE APPLICABILITY OF SOME GEOSTATISTIC METHODS TO PREDICT THE VARIABILITY OF SOIL SALINITY, A CASE STUDY OF UROMIEH PLAIN

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SOKOUTI R.; MAHDIAN M.H.; MAHMOUDI SHAHLA; GHAHREMANI A.

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Journal: Year:2007 | Volume:20 | Issue:1 (74 IN AGRONOMY AND HORTICULTURE) Page(s): 90-98

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Title

COMPARING THE APPLICABILITY OF SOME GEOSTATISTIC METHODS TO PREDICT THE VARIABILITY OF SOIL SALINITY, A CASE STUDY OF UROMIEH PLAIN

Author(s)

SOKOUTI R. | MAHDIAN M.H. | MAHMOUDI SHAHLA | GHAHREMANI A. | Issue Writer Certificate

Keywords

SPATIAL VARIABILITYQ3

GEOSTATISTIC METHODSQ2

GEOGRAPHIC INFORMATION SYSTEMQ2

SALINITYQ2

KRIGINGQ4

Abstract

In the world, high percentage of the irrigated lands is located in the arid and semi-arid regions; that soils have high amount of salt. Irrigation of such lands may cause salt transition to plant root growth rizospher and leads to increase osmotic pressure, decreasing of nutrient uptake and low crop yield. In Iran soil SALINITY is also one of the most agricultural problems. Soil SALINITY prediction in non-sampled areas and mapping the SALINITY variability in order to soil reclamation planning is very important. So, this research work was done with the aim of evaluation and analyzing SPATIAL VARIABILITY of topsoil SALINITY as an aspect of soil degradation, comparing GEOSTATISTIC METHODS and mapping soil SALINITY. There were used KRIGING, Co-kriging and weighted moving average by Gs+ and GIS soft wares to predict soil SALINITY. For comparing these methods, cross validation were used by statistical parameters of MAE and MBE. Results showed that KRIGING method has the highest with %98 correlation coefficient and gausian semi- variogram. There is also obtained the MAE=1.31 and MBE= -0.34 ds/m for this method.

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APA: Copy

SOKOUTI, R., MAHDIAN, M.H., MAHMOUDI, SHAHLA, & GHAHREMANI, A.. (2007). COMPARING THE APPLICABILITY OF SOME GEOSTATISTIC METHODS TO PREDICT THE VARIABILITY OF SOIL SALINITY, A CASE STUDY OF UROMIEH PLAIN. PAJOUHESH-VA-SAZANDEGI, 20(1 (74 IN AGRONOMY AND HORTICULTURE)), 90-98. SID. https://sid.ir/paper/18760/en

Vancouver: Copy

SOKOUTI R., MAHDIAN M.H., MAHMOUDI SHAHLA, GHAHREMANI A.. COMPARING THE APPLICABILITY OF SOME GEOSTATISTIC METHODS TO PREDICT THE VARIABILITY OF SOIL SALINITY, A CASE STUDY OF UROMIEH PLAIN. PAJOUHESH-VA-SAZANDEGI[Internet]. 2007;20(1 (74 IN AGRONOMY AND HORTICULTURE)):90-98. Available from: https://sid.ir/paper/18760/en

IEEE: Copy

R. SOKOUTI, M.H. MAHDIAN, SHAHLA MAHMOUDI, and A. GHAHREMANI, “COMPARING THE APPLICABILITY OF SOME GEOSTATISTIC METHODS TO PREDICT THE VARIABILITY OF SOIL SALINITY, A CASE STUDY OF UROMIEH PLAIN,” PAJOUHESH-VA-SAZANDEGI, vol. 20, no. 1 (74 IN AGRONOMY AND HORTICULTURE), pp. 90–98, 2007, [Online]. Available: https://sid.ir/paper/18760/en

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