Архив научных статейиз журнала «Геоморфология»
-
ОТЕЧЕСТВЕННАЯ ГЕОМОРФОЛОГИЯ: ПРОШЛОЕ, НАСТОЯЩЕЕ, БУДУЩЕЕ
ЖИРОВ А.И., ЛАСТОЧКИН А.Н., ЛОПАТИН Д.В., ЧАЛОВ Р.С., ЧИЧАГОВ В.П. — 2009 г.
-
ОЦЕНКА ВКЛАДА АФТЕРШОКОВОГО ПРОЦЕССА СИЛЬНЫХ ЗЕМЛЕТРЯСЕНИЙ В СЕЙСМОГРАВИТАЦИОННУЮ ДЕНУДАЦИЮ (НА ПРИМЕРЕ ЧУЙСКОГО ЗЕМЛЕТРЯСЕНИЯ 2003 ГОДА)
АГАТОВА А.Р., НЕПОП Р.К. — 2009 г.
For the first time the contribution of aftershock-induced landslides to denudation is calculated. This contribution strongly depends on difference between magnitudes of the earthquake and the main aftershock. A number of earthquakes took place in SE Altai in Holocene and triggered landslides are situated in close vicinity to the largest one following the 27 September 2003 Chuya earthquake (Ms = 7.3). Supposing the sameness of mechanisms of paleoearthquakes and the 2003 Chuya earthquake the value of the regional coefficient a = 1.2 is suggested. This value provides proper assessment of the contribution of aftershock-induced landslides to seismo-gravitational denudation.
-
ПЛЕЙСТОЦЕНОВЫЕ ОЛЕДЕНЕНИЯ ВОСТОЧНОГО ЗАБАЙКАЛЬЯ И ЮГО-ВОСТОКА СРЕДНЕЙ СИБИРИ
ЕНИКЕЕВ Ф.И. — 2009 г.
The maps of four Pleistocene glaciations were compiled: Samarovo (QIIsm), Taz (QIItz), Muruktin (QIIImr), and Sartan (QIIIsr). The maps show distribution of glaciers, ice sheets, and ice-dammed lakes, which occupied vast areas in the river basins of Lena, Vitim, and Olekma. The absolute heights of paleo lakes in the Lena basin are 400 m (tz), 560 m (sm); in the Vitim basin: 860 m (sr), 880 (mr) 900 m (tz); in the Olekma basin: 680 m (mr), 760 m (tz). Well drilling fulfilled to 1180 m depth revealed four glacial layers of Middle and Upper Pleistocene in the interval 0-450 m. Sand sediments were formed due to coastal accumulation of abraded granitic material in the Transbaikaline periglacial lake of the Samarovo age with short-term maximum level of 1020 m and stabile long-term one of 900 m.
-
ПОДЛЕДНЫЙ РЕЛЬЕФ ЦЕНТРАЛЬНОЙ ЧАСТИ ВОСТОЧНОЙ АНТАРКТИДЫ (ПО ДАННЫМ ПРОЕКТА ABRIS)
ЛЕОНОВ B.O., ПОПОВ С.В. — 2009 г.
The East Antarctica may be subdivided into 5 regions: basins and troughs (<-100 m), plains (-100-Ю0 m), hills (400-1000 m), low mountains (1000-1500 m), middle mountains (>1500 m). There are evidences of at least two stages of subglacial relief formation. The first stage corresponds to platform type development with weak tectonic activity. The second one is characteristic of mobile folded zones where tectonic movements had large amplitudes and strong spatial differentiation (especially during Cenozoic era).
-
ПРИМЕНЕНИЕ ГЕОИНФОРМАЦИОННЫХ СИСТЕМ ПРИ ИССЛЕДОВАНИЯХ ТЕХНОГЕННЫХ И СЕЛЬСКОХОЗЯЙСТВЕННЫХ ОВРАГОВ В УДМУРТИИ
ГРИГОРЬЕВ И.И., РЫСИН И.И. — 2009 г.
Technogenic gullies may be induced by road construction, discharge of manufacturing water, or by complex of urban processes. A set of different scaled maps has been compiled for the test sites where the field monitoring of gullies is carried. The GIS-technology and the digital elevation map of Udmurtia were used. According to data on agricultural gullies for the time period 1978-2007, the rate of their growth is decreasing, while that of technogenic gullies is rusing. 75
-
ПРИРОДНО-АНТРОПОГЕННЫЕ ДЕФОРМАЦИИ РУСЛА ОКИ В РАЙОНЕ РЯЗАНИ
БЕРКОВИЧ К.М., ЗЛОТИНА Л.В., ТУРЫКИН Л.А. — 2009 г.
The trend of channel vertical deformations in the Ryazan' stretch of the Oka river was discovered by analysis of long-term channel volume changes and their comparison with bed sediment excavation volume. Sand excavations are the main factor of channel volume changes, while the natural process remaining under such conditions is weak and corresponds to slow accumulation.
-
ПРОБЛЕМА ПЕНЕПЛЕНОВ И ПЕДИПЛЕНОВ НА ПРИМЕРЕ РАВНИН СЕВЕРО-ЗАПАДА АФРИКИ
ТИМОФЕЕВ Д.А., ЧИЧАГОВ В.П. — 2009 г.
The review of materials concerning the structure of the plains in the west part of the Atlas Mountains is given. The plains are represented by peneplains, young pediments, and one infant regional pediplain. The arid and extremely arid conditions conduced to pediments formation. Eolian and hydrogeologic processes play an important role in pediments evolution, while human impact contributes to recent sculpturing of their surface. The contemporary relief formation within the pediments interacts with the desertification processes.
-
ПРОБЛЕМЫ СОВРЕМЕННОГО КАРСТОВЕДЕНИЯ
МОЗЖЕРИН В.И. — 2009 г.
-
РАСПРОСТРАНЕНИЕ ОВРАГОВ НА ЮГЕ ВОСТОЧНОЙ СИБИРИ
РЫЖОВ Ю.В. — 2009 г.
The southern part of Eastern Siberia is characterized in general by weak gully dissection, and by very uneven distribution of gullies on the territory. 122.5 thousand gullies with total length of 35.5 thousand km exist in the study area. The mean density of erosion forms is 0.0563/km, and the drainage density is 0.016 km/km. It is obtained that gullies tend to occur on the slopes of river valleys of order 3-4 or higher and have mostly an anthropogenic origin. Slope erosion forms are dominant, while bottom forms account for 1/3 of their total number. Six types of territory have been identified according to the drainage density and gully density, which are shown on the map compiled.
-
РЕАЛЬНАЯ КАРСТОВАЯ СОСТАВЛЯЮЩАЯ В РАЗВИТИИ ЛАНДШАФТОВ СМОЛЕНСКОГО ПООЗЕРЬЯ
ЛУКАШОВ А.А. — 2009 г.
The karst processes took part in the formation of the natural complexes in the Belorussian-Baltic region of the East-European Plain since the Devon. Role of the karst is not confined to areas of exposed forms of karst denudation and sporadic accumulation of derivative calcium carbonate. Under the quaternary cover of glacial and fl uvio-glacial deposits there are large buried karst complexes developed under the conditions similar to recent landscapes of the low latitudes. Relic karst forms, including the buried ones, look more prominent than exposed ones and have wider expansion.
-
РЕГИОНАЛЬНЫЙ АНАЛИЗ ЦЕНТРОЗОНАЛЬНЫХ КРИПТОМОРФНЫХ ГЕОМОРФОЛОГИЧЕСКИХ ИНФРАСТРУКТУР ГЛУБИННОГО СТРОЕНИЯ ЗЕМНЫХ НЕДР В ЦЕЛЯХ ПРОГНОЗИРОВАНИЯ РУДНЫХ ПОЛЕЗНЫХ ИСКОПАЕМЫХ (НА ПРИМЕРЕ АГИНСКОЙ ТЕКТОНО-МАГМАТИЧЕСКОЙ СТРУКТУРНОЙ ФОРМЫ ЮГО-ВОСТОЧНОГО ЗАБАЙКАЛЬЯ)
ЛОПАТИН Д.В., ШАВЕЛЬ Н.И. — 2009 г.
Late Mesozoic Aginskaya tectono-magmatic structure was formed in the lower part of brittle earths crust. It has no direct or indirect manifestation in the morphostructure of the region, being localized over TMA zone of NE strike as magmatic focus by the mantle activization. Its ring-shaped morphology and ore zonality were formed by magma differentiation. Its manifestation on space images as lineament pattern occurs due to springtime development of plant communities, which are indicators of small landforms.
-
РОЛЬ РАЗРЫВНЫХ НАРУШЕНИЙ В ФОРМИРОВАНИИ БЕРЕГОВЫХ ЛИНИЙ ОХОТСКОГО И ЯПОНСКОГО МОРЕЙ (СТ. 1. РЕГИОНАЛЬНЫЙ АСПЕКТ ИССЛЕДОВАНИЙ)
ГАВРИЛОВ A.A. — 2009 г.
The existence of the deep faults system and the macro-block structure of the transition zone between Eurasia and the Pacific Ocean provide the disjunctive nature of the basins boundaries of the marginal seas. These basins are the block morphostructures with the specific development history. The preservation of the steady, long living network of faults in the Okhotsk and Japan Sea region, where recent horizontal motions of geoblocks are traced according to GPS monitoring data, may be explained only considering Eurasian-Pacific transition zone as single buffer geodynamic system. Relative motions of mega-plates transform the pattern of faults and blocks of the transition zone as integral formation.
-
РОЛЬ РАЗРЫВНЫХ НАРУШЕНИЙ В ФОРМИРОВАНИИ БЕРЕГОВЫХ ЛИНИЙ ОХОТСКОГО И ЯПОНСКОГО МОРЕЙ (СТ. 2. ЛОКАЛЬНЫЙ АСПЕКТ ИССЛЕДОВАНИЙ (ЗАЛИВ ПЕТРА ВЕЛИКОГО)
ГАВРИЛОВ А.А. — 2009 г.
The main contours of the coastline of the Peter the Great Bay and its islands are configurated by the fragments of regional and transregional faults with which correlate the boundaries of separately developing blocks and long scarps in the transition zone from the southern Primorye section of the Eurasian continent to the Sea of Japan. The influence of disjunctives on the coast formation has diverse manifestation and depends on characteristics of the fracture system proper (orientation, parameters of zone, rock composition etc.), geological, hydrological, hydrogeological, geomorphological conditions. The systems of fracture dislocations are the most important elements of the shore and coastal geomorphological systems what should be considered both in the analysis of the theoretical problems of morphogenesis and in the practical problems of the coasts development.
-
РОМАНУ СЕРГЕЕВИЧУ ЧАЛОВУ - 70 ЛЕТ!
2009
-
СОВРЕМЕННАЯ БЛОКОВАЯ СТРУКТУРА ЗЕМНОЙ КОРЫ ВЕРХНЕЙ ВОЛГИ
ГЛАСКО М.П., РАНЦМАН Е.Я. — 2009 г.
The MSR scheme of Upper Volga basin is compiled. The lay of the Volga valley is connected with the Earth's crust block structure of the region: the intersections of lineaments of the first and second orders - morphostructural junctions - are the places of the primary changes of valley direction. These junctions are characterized by high activity of deep and surface processes. Steadiness of valley direction and its geomorphologic structure are conditioned by lineament zone the valley is going along.
-
СОВРЕМЕННОЕ БИОГЕННОЕ ОСАДКООБРАЗОВАНИЕ В БЕРЕГОВОЙ ЗОНЕ БАРЕНЦЕВА МОРЯ
ПАВЛОВА Л.Г. — 2009 г.
Peculiarities of the formation of terrigenous and organic bottom sediments in the Barents Sea coastal zone are considered. The influence of bottom organisms on the sedimentation and physico-chemical parameters of bottom deposits is established. Lithological features of these deposits determine the distribution of benthic communities on the surface of littoral. As a result of accumulative activity of bottom filterers, like the fabritia polychaeta, the silting of the sandy littoral continues. Owing to the biosedimentation process the coastal zone is highly productive of biomass and density of bottom organisms, so it plays an important role in the nutritive matter balance of the coastal ecosystem.
-
СОВРЕМЕННЫЙ МОРФОГЕНЕЗ ЗАПАДНОГО САЯНА И СЕЙСМИЧНОСТЬ
ЛАПИН П.С. — 2009 г.
The possibility of the relief changes under the influence of surface processes has been estimated within the framework of Penk's model form-structure-rate of uplift. The results obtained made it possible to get more detailed concept of the relief evolution in this region. Most of the epicentres having energy grade more than 9 is located in the vicinity of areas with descending development. The exception is the area of uplift where the epicentres are located on its axial part.
-
СТРОЕНИЕ ПОЗДНЕПАЛЕОЗОЙСКОГО РЕКОНСТРУИРОВАННОГО РЕЛЬЕФА ЗИМНЕБЕРЕЖНОГО АЛМАЗОНОСНОГО РАЙОНА
УСТИНОВ В.Н. — 2009 г.
Buried and partly destructed relief of Zimniy Bereg diamond region had been sequentially restored with the use of indicator horizons technique for the certain epochs, reяecting the main denudation stages of primary diamond sources and formation of dispersion aureole of kimberlite indicator minerals. The peculiarities of structure and evolution of paleorelief were distinguished on the basis of its morphology, the paleogeological mapping of the surface of the Vendian kimberlite-bearing rocks, and data on distribution of correlative terrigenous Upper Paleozoic rocks.
-
ХРЕБТЫ И ВПАДИНЫ ЮГО-ВОСТОЧНОГО АЛТАЯ: ОПЫТ МОРФОМЕТРИЧЕСКОГО ИССЛЕДОВАНИЯ С ПРИМЕНЕНИЕМ ГИС-ТЕХНОЛОГИЙ
БАРДАЧЕВСКИЙ Н.Н. — 2009 г.
Orographic map of S-E Altai was compiled on the base of DEM with the grid step 20 m and space images with the pixel size 10 m. This map was used for morphometric analysis considering the neotectonic block structure of the territory. The correlation between the block size (M - length, H - width) and Moho's depth (M) was revealed: L = = 2M, H = 0.5M. The distribution of ridges and basins linear dimensions leads to the conclusion that only biggest of them are the subsided blocks, while others are the fracture zones with accumulative mantle.
-
ЭКОЛОГО-ГЕОМОРФОЛОГИЧЕСКИЕ АСПЕКТЫ ФУНКЦИОНИРОВАНИЯ ВОДОСБОРНЫХ БАССЕЙНОВ МАЛЫХ РЕК В УСЛОВИЯХ УРБАНИЗИРОВАННЫХ ТЕРРИТОРИЙ (НА ПРИМЕРЕ ВЕРХОВЬЕВ Р. ОЧАКОВКИ, ЮГО-ЗАПАД МОСКВЫ)
ЛЕБЕДЕВА Е.В., МИХАЛЁВ Д.В., ТИМОФЕЕВ Д.А. — 2009 г.
Technogenic transformation of river basins results in considerable changes of their form and other characteristics what leads to the discharge changes. Perennial observations in the upper stream of the Ochakovka River indicate the alternation of the erosion and accumulation in the basin, the human impact being the main factor of these processes. For such basins' steady functioning the restrictions of anthropogenic load are necessary, for instance the scientific based distribution of recreation activity and special attention for land use planning.