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CNAA / Theses / 2017 / July /

Assessment of the hydrological potential of the Republic of Moldova in conditions of environmental modifications


Author: Gherman Bejenaru
Degree:doctor of geography
Speciality: 11.00.11 - Environmental Protection and Rational Utilization of Natural Resources
Year:2018
Scientific adviser: Orest Melniciuc
doctor habilitat, associate professor (docent), Institute of Ecology and Geografy of the ASM
Institution: Institute of Ecology and Geografy of the ASM

Status

The thesis was presented on the 14 July, 2017
Approved by NCAA on the 11 May, 2018

Abstract

Adobe PDF document1.84 Mb / in romanian
Adobe PDF document2.03 Mb / in russian

Thesis

CZU 556.1+504.4(043.2)

Adobe PDF document 9.19 Mb / in russian
192 pages


Keywords

water and heat balance of land, genetic components of annual runoff, periodicity period, phase error, anthropogenic transformation of water resources.

Summary

Research area – 166.02 – environment protection and sustainable use of natural resources.

Overall objective of the work: evaluation of surface and ground waters based in the genetically and models for shaping the components of water and heat balance of land in anthropogenic transformation of landscapes and global warming.

Objectives of the research: development and application of the genetic principles of natural water resources evaluation of the country based on multiannual data analysis of hydrological monitoring in the Republic of Moldova and the region; on analysis and assessment of space-time regularities of climate thermal and energy resources; assessment of climate and zone norms for annual discharge that depend on natural and anthropogenic component of the country’s landscape in conditions of the climate global warming.

Methodology of the scientific assessment. The genetic assessment method was used of the river nutrition taking into consideration of surface and underground components by application of the differential calculation of influence of zonal, azonal and intrazonal runoff factors using statistical approaches, factor and system analysis and modern GIS technologies.

Scientific innovation and originality of the work: for the first time the use of genetic conception for analysis of norms of surface and underground waters that influence on the annual runoff in the landscape catchment area is presented. Methodological principles of investigation of change in the water and heat balance of the landscape regions in the conditions of the anthropogenic transformation and global warming have been developed in the current work.

The resolved important scientific problemis in development of new principles of evaluation of natural and anthropogenic changed water resources under the possible climate change.

The theoretical importance. For the first time based on genetic theory of the annual runoff formation, developed by professor A.N. Befani research of the components of heat and water balance on the territory of the Republic of Moldova are realized.

Applied value of the work. Achieved results in attrition to the new Regulations in Constructions D.01.05-2012 raise the reliability and effectiveness in the identification of the main hydrological features of annual runoff during the elaboration of the water management projects, environmental projects that foresee the sustainable use of natural resources.

Application of the scientific results. Scientific results obtained in the process of this work have been introduced into the international project “Climate Change and Security in the Eastern Europe, Central Asia and South Caucasus”, on the national level into the areas of work of the Institute of Ecology and Geography, as well as into university curricula on following disciplines “Hydrology”, “Modelling in hydrology and climatology”, “Application of GIS in environment”.