《Table 4 Description of data used for image classification and accuracy assessment》

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《Evaluating and modeling the spatiotemporal pattern of regional-scale salinized land expansion in highly sensitive shoreline landscape of southeastern Iran》

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Note:KC，Kappa coefficient；OA，overall accuracy；FCC，false color composite.

The results of image classification and accuracy assessment are given in Figure 3 and Table 4.Accordingly，all maps obtained overall accuracy（OA）and Kappa coefficient（KC）of more than0.94 and 0.90，respectively，indicating the acceptable accuracy of the image classification procedure.Based on the results，salinized land areas expended more than 1.19×105 hm2 between1986 and 2015.In 1986，salinized land areas occupied approximately 1.79×105 hm2 of the region（7.7%of the total area）.With an annual growth rate of 0.28%，salinized land areas reached2.30×105 hm2 in 2000（9.8%of the total area）.The study area was dramatically salt-affected between 2000 and 2015 where salinized land areas expanded with an annual growth rate of more than 0.29%and reached to 2.98×105 hm2 in 2015（12.7%of the total area）.