Fig. 7From: Climate factors influencing effective use of geothermal resources in SE Poland: the Lublin troughTime series (2005–19) of heat demand for 10 meteorological stations included in regional considerations—each time series is a result of ANN operation for the city. The market period—hours within dashed lines are presented in Fig. 9. X axis denotes consecutive hours of the dataset; Y axis marks cities. For each city the scale is from 0 to 1. Time series has been generated based on ANN model presented in earlier sectionBack to article page