<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The ability of soil to retain water in its profile is one of the most important soil functions. It is expressed as the water storage capacity or retention capacity of the soil, and it is primarily affected by the physical properties of the soil. Given the fact that the direct measurement of hydrological data for the soil is very difficult in terms of capacity, statistically expressed pedotransfer functions (PTF) are currently used for the indirect estimation of hydrolimits. The data most commonly used for the PTF are easy-to-measure and usually readily available soil data on particle size, bulk density, organic carbon and morphometric parameters of the environment (e.g. slope of the relief, etc.). The listed pedotransfer functions are deficient for the complex evaluation of soil cover; given disagreements about the attributes, they cannot be directly used for the vector database of classified soil-ecological units in the Slovak Republic. Therefore, we have created a model of an algorithm from selected parameters compatible with the vector database of classified soil-ecological units, which also allows for the spatial distribution of the cumulative coefficient of water retention capacity (CWRC) for the soils of the SR. The results of this evaluation are presented using case studies of the areas of Levoča and Hriňová.</p></abstract>

The ability of soil to retain water in its profile is one of the most important soil functions. It is expressed as the water storage capacity or retention capacity of the soil, and it is primarily affected by the physical properties of the soil. Given the fact that the direct measurement of hydrological data for the soil is very difficult in terms of capacity, statistically expressed pedotransfer functions (PTF) are currently used for the indirect estimation of hydrolimits. The data most commonly used for the PTF are easy-to-measure and usually readily available soil data on particle size, bulk density, organic carbon and morphometric parameters of the environment (e.g. slope of the relief, etc.). The listed pedotransfer functions are deficient for the complex evaluation of soil cover; given disagreements about the attributes, they cannot be directly used for the vector database of classified soil-ecological units in the Slovak Republic. Therefore, we have created a model of an algorithm from selected parameters compatible with the vector database of classified soil-ecological units, which also allows for the spatial distribution of the cumulative coefficient of water retention capacity (CWRC) for the soils of the SR. The results of this evaluation are presented using case studies of the areas of Levoča and Hriňová.

An evaluation of soil retention potential as an important factor of water balance in the landscape

Moravian Geographical Reports

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The ability of soil to retain water in its profile is one of the most important soil functions. It is expressed as the water storage capacity or retention...

An evaluation of soil retention potential as an important factor of water balance in the landscape

Publié en ligne: 08 oct. 2016

Pages: 44 - 54

Reçu: 30 sept. 2015

Accepté: 06 juin 2016

DOI: https://doi.org/10.1515/mgr-2016-0016

Mots clés
water retention capacity, soil-ecological units, physical parameters, granularity, soil quality, relief morphometric parameters, Slovakia

© 2016 Zdena Krnáčová et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

An evaluation of soil retention potential as an important factor of water balance in the landscape

Publié en ligne: 08 oct. 2016

Pages: 44 - 54

Reçu: 30 sept. 2015

Accepté: 06 juin 2016

DOI: https://doi.org/10.1515/mgr-2016-0016

Mots cléswater retention capacity, soil-ecological units, physical parameters, granularity, soil quality, relief morphometric parameters, Slovakia

© 2016 Zdena Krnáčová et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
water retention capacity, soil-ecological units, physical parameters, granularity, soil quality, relief morphometric parameters, Slovakia