1. Introduction The word ‘Karst’ comes from the Krs Plateau in Slovenia‚ where karst environments were first studied closely. The Slav people use ‘Krs’ to refere to ‘bare stony ground’. More specifically geomorphology refers to karst as a type of terrain characterised mainly by caves‚ sinkholes and complex drainage networks. The majority of karst formations occur in soluble rocks such as limestone and dolomite (although recent discoveries have revealed karst formations in more resistant rocks such
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eography Optional Part B Mains PAPER - I PRINCIPLES OF GEOGRAPHY Physical Geography: 1 . Geomorphology: Factors controlling landform development; endogenetic and exogenetic forces; Origin and evolution of the earth’s crust; Fundamentals of geomagnetism; Physical conditions of the earth’s interior; Geosynclines; Continental drift; Isostasy; Plate tectonics; Recent views on mountain building; Vulcanicity; Earthquakes and Tsunamis; Concepts of geomorphic cycles and Landscape development
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The Atacama Desert forms one of the major hyper-arid deserts of the world and it is known to be the driest place on Earth. The extreme aridity of the climate and unusual mineralogy of the regolith in the Atacama region is of considerable interest because of its value as an analogue to the Martian surface. The sedimentary succession in the Atacama Desert records deposition under an arid to semiarid climate from the late Jurassic (150Ma) to the present day (Hartley‚ 2005). Comparison with other long-lived
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The Effects of Dam Construction on the Trinity River Those working in Watershed management know there is little doubt these days that dam construction on our nation’s waterways is having a detrimental effect on rivers and their associated ecosystems. Many of the harmful effects created by dams are not always perceivable to the untrained observer‚ nor can they be observed on a temporal basis since changes to stream morphology may occur over a span of a few years‚ to hundreds and even thousands
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Branches of Geography • Physical Geography - deals with the observation‚ measurement and description of the surface of the earth. A. Geomorphology - study of the forms of the land’s surface and of the processes that mold them. B. Climatology – the prevailing state of the atmosphere including the average climatic values‚ seasonal and diurnal rhythms‚ extreme values and frequency of values within stated ranges‚ weather types and their characteristics and the explanation and distribution of
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Nourishment -“Erosion protection without hard structures. Natural beach processes retained. Recreational value of beach enhanced.” -Moderate to high cost -“Appropriate materials may be unavailable or expensive. Dissimilar imported material may alter geomorphology or ecology. Sand may be blown inland causing a nuisance.” Planting of dune grasses and plants -Low cost -“Reservoir of sand held in planted fore dunes will provide a buffer to resist storm erosion.” -“Compliments natural system. Can be used to
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EARTH ENVIRONMENTS I: GEOMORPHOLOGY AND SOILS Question: compare and contrast the styles of eruptions and the volcanic features both landward and seaward of the Andesite Line. “The term andesite line predates the geologic understanding of plate tectonics.” In that it was the term first used to describe the unique structure of the gushing destructive volcano boundary. This term used for the first in 1912 by a man known to be Patrick Marshall of New Zealand. The andesite line is located in the Pacific
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global visualization tools JAPAN (Convergent): Japan features a very interesting series of geomorphological features. The island lies in the Pacific Ring of Fire that is characterized by having active volcanic and tectonic activity. Due to its geomorphology‚ the area is very vulnerable to environmental hazards such as earthquakes‚ tsunamis‚ and volcanic activity. The country lies atop 4 converging major plate boundaries: the Pacific plate‚ the Philippine plate‚ the Othosk plate‚ and the Eurasian
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Soil Management in Konkan Introduction to soil management Soil is non renewable natural resource which supports life on earth. It needs to be managed successfully to support sustainable development. It is growing in economic importance because of a broader environmental agenda. Poor soil management in many regions‚ including parts Konkan and western Maharashtra‚ has progressively degraded productive soils. This is putting our food security at risk in the context of a growing and increasingly
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Anth 368 Midterm 1.What roles do plate tectonics play in the geomorphology of Pacific Islands? The earth’s crust is made out of plate tectonics. Each plate has a defined boundary and direction it moves. The plates in Earth’s crust perform two actions; they submerge under each other or they spread out. The Pacific Plate is the largest plate and it borders around many plates. The Pacific Plate moves northwest. New crust is formed from magma outpours‚ which are a result of the zones spreading.
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