Krasimir Stoyanov

Krasimir Stoyanov
South-West University "Neofit Rilski" · Department of Geography, Ecology and Environment Protection

PhD

About

26
Publications
8,338
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153
Citations
Additional affiliations
September 1996 - December 2019
South-West University "Neofit Rilski"
Position
  • Professor (Associate)

Publications

Publications (26)
Chapter
Starting with an overview of the first Bulgarian geographical studies and publications, the paper presents the development of the process of collection and interpretation of geographical knowledge for Bulgaria from different Bulgarian sources for centuries in the past to nowadays. As a classical discipline, geography goes through the time adding ne...
Article
Full-text available
In the present article some morphometric characteristics of small catchments (a total of 28) in the Mesta River were calculated and mapped. Some of the maps are obtained by calculation based on a vector model. For the detailed study, we used digital elevation model (DEM) for the surveyed territory and the application of a cartographic algebra in th...
Article
Full-text available
The article presents the latest views about the origin of Hridsko lake in the mountain range Bogicevica, an eastern part of Prokletije massif (Dinaric range). Previous studies define the lake, which is situated at 1980 m a. s. l., and occupies an area about 3,5 ha, as a cirque lake, formed after the retreat of wuerm-ian glaciers following the class...
Article
Full-text available
The article presents the latest views about the origin of Hridsko lake in the mountain range Bogicevica, an eastern part of Prokletije massif (Dinaric range). Previous studies define the lake, which is situated at 1980 m a. s. l., and occupies an area about 3,5 ha, as a cirque lake, formed after the retreat of wuerm-ian glaciers following the class...
Article
Full-text available
In the present article some morphometric characteristics of small catchments (a total of 28) in the Mesta River were calculated and mapped. Some of the maps are obtained by calculation based on a vector model. For the detailed study, we used digital elevation model (DEM) for the surveyed territory and the application of a cartographic algebra in th...
Article
Full-text available
The realized regional investigation show some important morphostructural differences between the Rhodopes and Rila-Pirin Mountains Range. The Rhodope Mountain represents a morphostructural zone with almost oval and gently WNW-ESE elongated form. Rila-Pirin Mountains Range is a NNW-ESE elongated morphostructural range. The both morphounits are disti...
Conference Paper
Full-text available
Physiographic conditions for occurrence of river floods and inundation in small watersheds of southwestern Bulgaria on the example of Aydarovska River, a left affluent of Struma River, are considered. Some measurements of water quantity are made and the weather conditions in river floods during the winter of 2015 are analyzed. The presented own dat...
Article
Mountain glaciers are among the best environmental indicators of short-term climatic variations. Although presently there are no classical glaciers on the Balkan Peninsula, mountains in this part of Europe comprise a number of small but permanent firn–ice patches, which can be determined as small glaciers. Most of them can be categorized as glacier...
Conference Paper
Full-text available
Physiographic conditions for occurrence of river floods and inundation in small watersheds of southwestern Bulgaria on the example of Aidarovska River, a left affluent of Struma River, are considered. The morphometric parameters of the drainage basin are calculated based on GIS. The presented own data show that this type of processes are widely spr...
Chapter
This chapter considers the conditions determining avalanche formation and action in Northwest Rila. It provides an analysis of the current morphosculptural impact of avalanches on the alpine and subalpine mountain zones. The most hazardous avalanche terrains are also specified.
Article
Full-text available
Five localities of Sand Boa (Eryx jaculus Linnaeus, 1758) have been reported till now for the Strouma river valley, southwestern Bulgaria. Five specimens at three new localities in the same region have been recorded. Ten syntopic species of reptiles are also reported. Detailed description of soils, parent rocks and vegetation at the habitats of the...
Article
Full-text available
Mountain glaciers are among the best natural indicators of short-term climatic variations. Although presently there are no classical glaciers on the Balkan peninsula, mountains in this part of Europe comprise a number of small but permanent firn-ice patches, which can be categorized as embryonic glaciers. They are subdivided into: typical glacieret...
Conference Paper
Full-text available
The p\per makes a short revision of the presently existing small glaciers in the mountains of the Balkan peninsula and of the fluctuation of their size in the last decades. Results for the last observation year (October 2011-October 2012) are obtained during authors' own field studiea
Conference Paper
Full-text available
The paper presents an analysis of the long-term climate conditions that support the existence of few small firn-ice patches (small glacierets and glaciers) in the mountains of the Balkan peninsula and the recent changes in these conditions. Along with this, a special attention is paid to the climate conditions in the high mountains in the last two...
Chapter
Morphostructures exert a strong control on the landforms of Bulgaria as in the mountain landscapes planation surfaces prevail. In mountains valley incision is considerable, deep and narrow gorges and cross-section asymmetry of valleys is common. In major valleys two flood and seven upper river terraces have been identified. Regionally, active karst...
Article
Full-text available
A hominid upper premolar was discovered in the Azmaka quarry, near Chirpan (Bulgaria). The associated fauna, especially the co-occurrence of Choerolophodon and Anancus among the proboscideans, and Cremohipparion matthewi and Hippotherium brachypus among the hipparions, constrains the age of the locality to the second half of the middle Turolian (ca...
Chapter
Full-text available
The chapter treats the conditions determining avalanche formation and action in Northwest Rila. It provides an analysis of the current morphosculptural impact of avalanches on the Alpine and sub-Alpine mountain zones. The most hazardous avalanche terrains are specified as well.
Article
Full-text available
The assessment of the social risk is a major issue for the responsible risk management and the sustainable regional development of SouthWestern Bulgaria. The paper presents a fuzzy logic model for social risk estimation from natural hazards in the SW Bulgaria region, based on the available information sources and the expert knowledge. The risk asse...
Article
Full-text available
Assessing the natural risk is a major issue for the responsible risk management and the sustainable regional development of SouthWestern Bulgaria. The paper presents a fuzzy logic model for complex estimation of the natural risk in the SW Bulgaria region, based on the available information sources and the expert knowledge. The risk assessment probl...
Conference Paper
Full-text available
An attempt for analysis on the precipitation regime in the part of territory of Bulgaria in last 14 years is made. As a base a data published in monthly hydro-meteorological bulletins from 1995 till now are used. Some anomalies in annual trade of precipitation are revealed. Some sug-gestions about their causes are expressed.
Article
Full-text available
The modern morphostructure of Slavyanka Mountain is a result of the block destruction of this part of the large post Early Pleistocene Orthoplane. The Pleistocene-Holocene regional vertical block denivelation and listric faulting have formed the primary Alibotush dome-like circular morphostructure. The last one was very quickly block dismembered. O...
Article
Full-text available
Here is regarded the morphological peculiarity of Slavyanka. An analisis is done of the vertical structure of the terrain. In morpho-structural respect this geomorphological unit consists of the Tsarev peak and Gotsev peak vault concentrical structures.

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