<abstract xmlns="http://www.w3.org/1999/xhtml"><p> This article presents preliminary model results of climate change impact on biogeochemical processes in soil. With the use of DNDC (DeNitrification-DeComposition) model, a simulation with climate data over seventy years period (1947-2016) from central part of Slovenia has been carried out. Amongst assessed sources of variability, time variability has been estimated to around 10% of the total annual nitrogen leaching. In some cases, a statistically significant downward trend was observed with a 5 kg reduction in nitrogen per hectare in seventy years period. This study represents the first quantitative assessment of nitrogen leaching variability due to precipitation and air temperature variability in three representative soil profiles in the central Slovenia. It offers a starting point for future regional research for the purpose of farming practice optimization, especially in catchment areas of major regional water resources in Slovenia.</p></abstract>

This article presents preliminary model results of climate change impact on biogeochemical processes in soil. With the use of DNDC (DeNitrification-DeComposition) model, a simulation with climate data over seventy years period (1947-2016) from central part of Slovenia has been carried out. Amongst assessed sources of variability, time variability has been estimated to around 10% of the total annual nitrogen leaching. In some cases, a statistically significant downward trend was observed with a 5 kg reduction in nitrogen per hectare in seventy years period. This study represents the first quantitative assessment of nitrogen leaching variability due to precipitation and air temperature variability in three representative soil profiles in the central Slovenia. It offers a starting point for future regional research for the purpose of farming practice optimization, especially in catchment areas of major regional water resources in Slovenia.

Assessment of the influences of climate variability on nitrogen leaching rate into groundwater

Materials and Geoenvironment

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

This article presents preliminary model results of climate change impact on biogeochemical processes in soil. With the use of DNDC...

Assessment of the influences of climate variability on nitrogen leaching rate into groundwater

Pubblicato online: 06 dic 2018

Pagine: 123 - 130

Ricevuto: 30 nov 2017

Accettato: 17 mag 2018

DOI: https://doi.org/10.2478/rmzmag-2018-0013

Parole chiave
climate variability, denitrification, nitrogen leaching

© 2018 Sara Uhan, published by Sciendo

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

Assessment of the influences of climate variability on nitrogen leaching rate into groundwater

Pubblicato online: 06 dic 2018

Pagine: 123 - 130

Ricevuto: 30 nov 2017

Accettato: 17 mag 2018

DOI: https://doi.org/10.2478/rmzmag-2018-0013

Parole chiaveclimate variability, denitrification, nitrogen leaching

© 2018 Sara Uhan, published by Sciendo

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

Parole chiave
climate variability, denitrification, nitrogen leaching