Physical and Hydro-Physical Characteristics of Soil in the Context of Climate Change. A Case Study in Danube River Basin, SE Romania

Sorina-Simona Moraru, Antoaneta Ene and Alina Badila
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Sorina-Simona Moraru: Doctoral School of Mechanical and Industrial Engineering, Dunarea de Jos University of Galati, 47 Domneasca Street, 800008 Galati, Romania
Antoaneta Ene: INPOLDE Research Center, Faculty of Sciences and Environment, Department of Chemistry, Physics and Environment, Dunarea de Jos University of Galati, 47 Domneasca Street, 800008 Galati, Romania
Alina Badila: Galati County Soil Survey Office, 26 Stiintei Street, 800146 Galati, Romania

Sustainability, 2020, vol. 12, issue 21, 1-26

Abstract: The intensification of climate change has led to the degradation of thousands of arable lands through desertification and extreme weather events. The Danube River basin in the Galati-Braila region, SE Romania, is a transboundary area of community and international importance, increasingly affected by drought, water, and wind erosion. Consequently, the aim of this study is to evaluate the main physical and hydro-physical parameters of soils, implied in water storage and with a defining role in erosion intensity, nutrients and toxicants cycle and availability, and crops yield. Soil samples were collected both in the disturbed and undisturbed state, from Smardan, Sendreni, and Vadeni agricultural lands and riparian areas of semiaquatic ecosystems, located in the vicinity of the steel platform of the Galati industrial area. Specific laboratory methods of investigation and formulas were used. Chernozems (CZ), Fluvisols (AS), and Gleysols (GS) of different subtypes and various physico-chemical parameters were identified. The results suggested that CZ are of coarse and medium texture, while AS and GS are medium–fine and fine textured. In correlation with this, bulk density values range from extremely low–low to low–high classes. In relation to soil physical parameters and the content of organic matter, hydro-physical indices show water supply imbalances. Through the approached theme, the study is of practical importance for sustainable management of the soil, agricultural projects, and landscaping. This study provides government authorities and non-governmental organizations an overview of the local and regional soil conditions, so that new measures can be regulated to protect it against irrational use.

Keywords: soil; drought; riparian lands; industrial areas; humidity; agroecosystem (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2020
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