<abstract xmlns="http://www.w3.org/1999/xhtml"><p> The aim of the study was to determine changes of daily amount of sewage inflowing into a wastewater treatment plant in Nowy Sącz in the years 2008-2014. To this end, the data in the form of time series corresponding to the investigated multi-year period were analysed. Daily volume of sewage for annual periods was forecast using a seasonal method of Holt and Winters based on the exponential smoothing algorithms. The model fit to actual daily amount of sewage for 2014 was assessed using linear regression. The results of fit for the additive Holt-Winters model confirmed the usefulness of this tool for forecasting the amount of sewage inflowing into the wastewater treatment plant.</p></abstract>

The aim of the study was to determine changes of daily amount of sewage inflowing into a wastewater treatment plant in Nowy Sącz in the years 2008-2014. To this end, the data in the form of time series corresponding to the investigated multi-year period were analysed. Daily volume of sewage for annual periods was forecast using a seasonal method of Holt and Winters based on the exponential smoothing algorithms. The model fit to actual daily amount of sewage for 2014 was assessed using linear regression. The results of fit for the additive Holt-Winters model confirmed the usefulness of this tool for forecasting the amount of sewage inflowing into the wastewater treatment plant.

The use of Holt–Winters method for forecasting the amount of sewage inflowing into the wastewater treatment plant in Nowy Sącz

Department of Sanitary Engineering and Water Management, University of Agriculture in Krakow, Mickiewicza 24/28 Ave., 30-059 Krakow

Environmental Protection and Natural Resources

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

The aim of the study was to determine changes of daily amount of sewage inflowing into a wastewater treatment plant in Nowy Sącz in the years 2008-2014. To...

The use of Holt–Winters method for forecasting the amount of sewage inflowing into the wastewater treatment plant in Nowy Sącz

Published Online: Jun 10, 2016

Page range: 7 - 12

DOI: https://doi.org/10.1515/oszn-2016-0009

Keywords
amount of inflow sewage, time series, Holt-Winters model, wastewater treatment plant

© by Ewa Wąsik

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

The use of Holt–Winters method for forecasting the amount of sewage inflowing into the wastewater treatment plant in Nowy Sącz

Published Online: Jun 10, 2016

Page range: 7 - 12

DOI: https://doi.org/10.1515/oszn-2016-0009

Keywordsamount of inflow sewage, time series, Holt-Winters model, wastewater treatment plant

© by Ewa Wąsik

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
amount of inflow sewage, time series, Holt-Winters model, wastewater treatment plant