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Картометрические и морфометрические показатели как основа для выявления природных предпосылок развития экзогенных геоморфологических процессов на территории Белгородской области

Картометрические и морфометрические показатели как основа для выявления природных предпосылок развития экзогенных геоморфологических процессов на территории Белгородской области

Abstract

On the basis of topographic maps of Belgorod region scale 1:200000, a series of morphometric maps (vertical and horizontal dismemberment of the earth´s surface, steepness and the exposition of the slopes, orders erosion network and others) was worked up, which allowed to obtain quantitative indicators of the relief of the Belgorod region. These indicators determine the main natural prerequisites for the development of exogenous geomorphologic processes, intensity of which reflect the degree of tension of ecological-geomorphologic situation in the Belgorod region. For research saturation erosive forms of a different order in the Belgorod region, a map of the orders of magnitude of erosion forms was worked up, it makes possible to reveal erosion forms of different genetic variations. This map was the basis for morphometric map of horizontal dismemberment of relief. The map of horizontal dismemberment gives a graphic representation of the infestation of the territory of Belgorod erosion processes, allows to establish the quantitative characteristics of morphometric parameters of a relief, to reveal its potential for the development of exogenous geological processes. Significant vertical dismemberment contributes to the increase of aggressiveness of erosion processes. Depth dissection of relief within the region varies in the range of 20-110 m. the Highest indicators differs the Eastern part of the region, which can be attributed to the zone of risk.

На основе топографической карты Белгородской области масштаба 1:200 000 была разработана серия морфометрических карт (вертикального и горизонтального расчленения земной поверхности, крутизны и экспозиции склонов, порядков эрозионной сети и др.), позволившая получить количественные показатели, характеризующие рельеф Белгородской области. Данные показатели определяют основные природные предпосылки развития экзогенных геологических процессов, интенсивность проявления которых отражает степень напряженности эколого-геоморфологической ситуации в Белгородской области. Для исследования насыщенности Белгородской области эрозионными формами разного порядка составлена карта порядков эрозионных форм, позволившая выявить эрозионные формы различной генетической разновидности. Данная карта явилась базовой основой для морфометрической карты горизонтального расчленения рельефа. Карта горизонтального расчленения дает наглядное представление о пораженности территории Белгородчины эрозионными процессами, позволяет установить количественные характеристики морфометрических параметров рельефа, выявить его потенциальные возможности для развития экзогенных геологических процессов. Значительное вертикальное расчленение способствует увеличению агрессивности эрозионных процессов. Глубина расчленения рельефа в пределах области колеблется в диапазоне 20-110 м. Наибольшими показателями отличается восточная часть области, которую можно отнести к зоне риска.

Keywords

УКЛОНЫ ЗЕМНОЙ ПОВЕРХНОСТИ, ГОРИЗОНТАЛЬНОЕ РАСЧЛЕНЕНИЕ, ВЕРТИКАЛЬНОЕ РАСЧЛЕНЕНИЕ, МОРФОМЕТРИЯ РЕЛЬЕФА, THE SLOPE OF THE EARTH´S SURFACE

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
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