Spatiotemporal changes of evaporation in Golestan province based on quantile regressions

Abstract The results reveal statistically significant trends with distinct slopes in quantiles for each station and season so that the changes trend of high values (quantile 0.9) evaporation were more than low 0.1). In spring, medium rates increased northern regions province (the highest slope, 0.15 mm/decade northeast), while they fell (with a slope −0.15 mm/decade) southern regions. But summer have most stations mm/decade). contrast, levels autumn winter grew at rapid rate eastern part according to season, 0.2 mm/decade), but declined western half −0.1 mm/decade, respectively). general, there was decreasing evaporation, mostly half, an increasing trend, province. Significant increases daily particularly during dry will diminish water supplies, destabilize agricultural sector, eventually desertify area.