Research results

First Stage Report (October-December 2018)

Regarding the research activity and the implementation of the project PN-III-P1-1.1-TE-2016-0814, contract no. TE113 / 2018 with the title: “Studies on the effects of land use changes on soil erosion and high sedimentation rates using radionuclides”

            The working methodology and the implementation of the project were outlined according to a series of objectives and activities, as follows:

Objective 1.1 Organizing the implementation methodology, mobilizing the human resource, evaluating the operational data. During this stage we have completed the implementation methodology (i.e., logistics and laboratory space contouring) and the operational data evaluation related to the project database and the bibliography consultation.

1.1.1 Commitment of the human resource and the development of the activities / management of the project was materialized by employing the researchers Dr. Robert Begy (CS I project manager), Daniel Veres (CS II), PhD. Kelemen Szabolcs.

1.1.2 Plotting of sites in work and preliminary sampling: this activity aimed at investigating sites with potential for the proposed research, and materialized through geological field research, identification and sampling of sites, as follows: ….. STERRAD-Report _2018

Second Stage Report (January- December 2019)

Regarding the research activity and the implementation of the project PN-III-P1-1.1-TE-2016-0814, contract no. TE113 / 2018 with the title: “Studies on the effects of land use changes on soil erosion and high sedimentation rates using radionuclides”.         

Introduction

            The main purpose of the project is to assess the environmental effects of some changes in land use. Two types of land use are targeted, the forest means and the grassland areas. This effect is measured and quantified by assessing erosion and sedimentation rates in aquatic environments. The erosion rate and the deposition rate are influenced by two major factors, one is the natural climatic factor. Climate change, which is manifested in changes and fluctuations of meteorological phenomena, entails the soil from the hydrographic basins that transforms into sediment deposited on the lakes basin. The frequency of high-intensity precipitation causes fluctuations in sedimentation rates, reaching high values. The second factor is the anthropogenic effects, after which the soil on the slopes becomes vulnerable, facilitating the erosion effects. The high sedimentation rates have the effects of the two factors on the composition. The purpose of the project is to subtract anthropogenic effects from natural factors such as climate.

            The basic methodology of the project consists in choosing a reference site for a high altitude glacial lake which’s sedimentation rate is influenced only by the climatic effects. The variations of the sedimentation rates are considered natural rates and are subtracted from the sedimentation rates of the lakes where in the river basin there have been anthropogenic interventions. Another way to investigate the natural effects of the climate change is to use peat deposits. The development of peatlands is influenced by humidity and temperature, natural bays controlled by the climate. Also, the variations in the accumulation of the new peat layers can be extracted from the variation of sedimentation rates, obtaining the anthropic component.

            Finding natural lakes with anthropic fingerprints has proved to be difficult, because most of the lakes in massively affected areas are of anthropogenic origin (dam lakes). … SCIENTIFIC REPORT Stage 2_B

Final scientific report from 10.10.2018 to 09.10.2020…..SCIENTIFIC REPORT Final