<abstract xmlns="http://www.w3.org/1999/xhtml"><p>An analysis of a hydrological time-series data offers the possibility of detecting changes that have arisen due to climate change or change in land use. This paper deals with the detection of changes in the hydrological time data series. The trend analysis was applied at 58 stage-discharge gauging stations that are located throughout Slovakia, with the measurement period from 1962 to 2017. The Mann-Kendall test show a declining trends in the summer and a few rising trends in the winter in discharges. In the town of Banská Bystrica at a station on the Hron River, decades of discharges, air temperatures, and precipitation totals were analyzed. The five decades from the 1960s to the 2000s were used. The hydrological time data series were also analyzed by the Pettitt’s test, which is used to detect change points. The decadal analysis at the Banská Bystrica station shows an increase in the air temperature but insignificant changes in discharges and precipitation. Pettitt’s test identified many change points in the 1990s in the air temperature.</p></abstract>

An analysis of a hydrological time-series data offers the possibility of detecting changes that have arisen due to climate change or change in land use. This paper deals with the detection of changes in the hydrological time data series. The trend analysis was applied at 58 stage-discharge gauging stations that are located throughout Slovakia, with the measurement period from 1962 to 2017. The Mann-Kendall test show a declining trends in the summer and a few rising trends in the winter in discharges. In the town of Banská Bystrica at a station on the Hron River, decades of discharges, air temperatures, and precipitation totals were analyzed. The five decades from the 1960s to the 2000s were used. The hydrological time data series were also analyzed by the Pettitt’s test, which is used to detect change points. The decadal analysis at the Banská Bystrica station shows an increase in the air temperature but insignificant changes in discharges and precipitation. Pettitt’s test identified many change points in the 1990s in the air temperature.

Detection of Changes in Hydrological Time Series During Recent Decades

Slovak University of Technology in Bratislava

Faculty of Civil Engineering, Department of Land and Water Resources Management

Slovak Journal of Civil Engineering

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

{"article-title":"Detection of Changes in Hydrological Time Series During Recent Decades"}

An analysis of a hydrological time-series data offers the possibility of detecting changes that have arisen due to climate change or change in land use. This...

Detection of Changes in Hydrological Time Series During Recent Decades

Published Online: Jul 06, 2020

Page range: 56 - 62

DOI: https://doi.org/10.2478/sjce-2020-0016

Keywords
Trendanalysis, Discharge, Change point

© 2020 Mária Ďurigová et al., published by Sciendo

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

Detection of Changes in Hydrological Time Series During Recent Decades

Published Online: Jul 06, 2020

Page range: 56 - 62

DOI: https://doi.org/10.2478/sjce-2020-0016

KeywordsTrendanalysis, Discharge, Change point

© 2020 Mária Ďurigová et al., published by Sciendo

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

Keywords
Trendanalysis, Discharge, Change point