Fig. 7From: Diurnal and seasonal behavior of the Hokkaido East SuperDARN ground backscatter: simulation and observationRelationship between the observed and simulated characteristics. Panel and column arrangement is the same as on Fig. 6. Red, green, and blue dots correspond to the years of low (2007–2010), moderate (2011–2012), and high solar activity (2013–2015), respectively. Black and blue lines show the linear regression and the quadratic fit, respectivelyBack to article page