Haghighata G A Yunesian M 0000-0002-2870-7433 Nabizadeh R 0000-0002-6798-7474 Mahvi Amir Hossein Degahani M H Davanid R Maleki A Rezaee R Daraei H Amini H 0000-0002-4825-1322 2012 Mean fluoride (mg/l) in Larestan and Gerash cities' wells and number of the exposed people dataset https://doi.org/10.1594/PANGAEA.785337 2012-07-02T10:02:56 Spatiotemporal variations of fluoride (F) from 2003 to 2010 in groundwater of Larestan and Gerash region in Iran were monitored employing Mann-Kendall trend test and a geospatial information system (GIS). The annual precipitation had a negative but not significant relation with the mean concentrations of F in the wells of eight cities (Pearson's r = -0.512, p = 0.195) and thirty-one villages (r = -0.545, p = 0.259) for the eight-year period. Results of Mann-Kendall trend test revealed that there is a trend in the series of one city and eleven village's individual-wells for the eight-year period (significant level alpha = 0.05). Moreover, spatiotemporal variations of fluoride were relatively constant over the years. Besides, in 2003 to 2010, 62.8, 63.2, 63.4, 62.8, 62.4, 62.7, 58.9, and 59.5 percent of the Larestan and Gerash region areas had fluoride concentrations beyond the maximum permissible standard F level of 1.4 mg/l. Accordingly, effective protective measures, cost-effective interventions, and compliance monitoring—monthly monitoring—should be considered, especially in unsafe contaminated areas up to achieve a standard level. Amini H 0000-0002-4825-1322 Haghighata G A Yunesian M 0000-0002-2870-7433 Nabizadeh R 0000-0002-6798-7474 Mahvi Amir Hossein et al. 2016 Spatial and temporal variability of fluoride concentrations in groundwater resources of Larestan and Gerash regions in Iran from 2003 to 2010 journal article Environmental Geochemistry and Health 38(1) https://doi.org/10.1007/s10653-015-9676-1 25-37 not specified 93.9 CC-BY-3.0 Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/ citable author27272 author41928 author41929 author41930 author41931 author41932 author41933 author41934 author41935 author41936 author41937 journal5047 license101 ref36624 topotype1