<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>Salinization is an increasing enviromental problem in ecosystems. The assessment of total dissolved solids (TDS), pH, electrical conductivity (EC), exchangeable sodium percentage (ESP), alkalinity and the concentrations of main ions makes possible to identify salinization and alkalization degree. The salt-affected soils occur in the south part and south-east part of Žitný ostrov, where the dry and mild summer climate, evaporation soil water regime and mineralized groundwater create conditions for development of the saline and alkaline soils. Five localities with highly-mineralized groundwater were monitored to evaluate salinity and alkality in the period 1989-2006. At the bottom horizons in localities 1-5 evaporative residues (salt content) reached value 0.1-0.2 %. In 2006 dry evaporative residues (salt content) was higher than 0.2 %, EC was higher than 250 mS m<sup>-1</sup> at the bottom horizons in localities 1, 2, 4. The mentioned data allow us to state that salinization and alkalization of soils is developing, it starts from the bottom of soil horizons through middle part of the soil profile up to the top horizons. This phenomenon was observed in all investigated soils in different stages of development.</p></abstract>

Salinization is an increasing enviromental problem in ecosystems. The assessment of total dissolved solids (TDS), pH, electrical conductivity (EC), exchangeable sodium percentage (ESP), alkalinity and the concentrations of main ions makes possible to identify salinization and alkalization degree. The salt-affected soils occur in the south part and south-east part of Žitný ostrov, where the dry and mild summer climate, evaporation soil water regime and mineralized groundwater create conditions for development of the saline and alkaline soils. Five localities with highly-mineralized groundwater were monitored to evaluate salinity and alkality in the period 1989-2006. At the bottom horizons in localities 1-5 evaporative residues (salt content) reached value 0.1-0.2 %. In 2006 dry evaporative residues (salt content) was higher than 0.2 %, EC was higher than 250 mS m-1 at the bottom horizons in localities 1, 2, 4. The mentioned data allow us to state that salinization and alkalization of soils is developing, it starts from the bottom of soil horizons through middle part of the soil profile up to the top horizons. This phenomenon was observed in all investigated soils in different stages of development.

The Risk of the Soil Salinization of the Eastern Part of Žitný Ostrov

Institute of Hydrology, Slovak Academy of Sciences, Račianska 75, 831 02 Bratislava, Slovak Republik

Journal of Hydrology and Hydromechanics

{"article-title":"The Risk of the Soil Salinization of the Eastern Part of Žitný Ostrov"}

Salinization is an increasing enviromental problem in ecosystems. The assessment of total dissolved solids (TDS), pH, electrical conductivity (EC),...

The Risk of the Soil Salinization of the Eastern Part of Žitný Ostrov

Publié en ligne: 06 mars 2012

Pages: 57 - 63

DOI: https://doi.org/10.2478/v10098-012-0005-4

Mots clés
salinizácia, alkalizácia, celkové rozpustené látky (TDS), sodíkový adsorpčný pomer (SAR), elektrická vodivosť (EC), výmenné sodíkové percento (ESP)

This content is open access.

The Risk of the Soil Salinization of the Eastern Part of Žitný Ostrov

Publié en ligne: 06 mars 2012

Pages: 57 - 63

DOI: https://doi.org/10.2478/v10098-012-0005-4

Mots cléssalinizácia, alkalizácia, celkové rozpustené látky (TDS), sodíkový adsorpčný pomer (SAR), elektrická vodivosť (EC), výmenné sodíkové percento (ESP)

This content is open access.

Mots clés
salinizácia, alkalizácia, celkové rozpustené látky (TDS), sodíkový adsorpčný pomer (SAR), elektrická vodivosť (EC), výmenné sodíkové percento (ESP)