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Tsunami and its causes & Tsunami Warning Systems | UPSC

The seismic waves traveling through the ocean and seawater results in high sea waves which are known as tsunami. ‘Tsunami’ is a Japanese term represented by two characters: “tsu” and “nami”. The character “tsu” means harbor, while the character “nami” means wave. which has been universally adopted to describe a large seismically generated sea wave.  …

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UPSC Syllabus: Complete IAS Syllabus with Micro Topic Analysis – 2020

Welcome to Lotus Arise! Here, you will find the complete UPSC IAS syllabus for the Civil Services Examination conducted by the Union Public Service Commission (UPSC). The Civil Services Examination is widely considered as one of the toughest and the most prestigious examinations conducted in India. To understand the UPSC exam, one needs to understand …

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Exogenic Forces: Denudation & Weathering | UPSC

We have been discussing geomorphic processes in our previous articles in the Geography section. We have already seen that geomorphic processes are classified into endogenic processes and exogenic processes. As endogenic processes are already covered in detail, in this post we focus on exogenic forces and exogenic processes. Exogenic (Exogenetic) processes are a direct result of stress-induced in earth materials due …

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Endogenic forces: Epeirogenic and Orogenic | UPSC

We have already seen that Geomorphic processes can create landforms. We also know that endogenic forces (internal) and exogenic forces (external) are the two main types of geomorphic processes. In this article, let’s study endogenic forces in detail. Geomorphic: relating to the form of the landscape and other natural features of the earth’s surface. The endogenic and …

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Geomorphic Processes: Endogenic and Exogenic forces | UPSC

The endogenic and exogenic forces causing physical and chemical changes on the earth‘s surface are known as geomorphic processes. Geomorphic =relating to the form of the landscape and other natural features of the earth’s surface. Geomorphic agents: mobile medium (like running water, moving ice masses or glaciers, wind, waves, currents, etc.) which removes, transports and …

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Geography Optional Books for UPSC IAS Exam [2020]

In this article, we provide the list of Geography Optional Books for the UPSC examination. Geography as a subject assumes a significant part in all UPSC IAS examinations. It assumes great significance in both Prelims and Mains examination in the IAS Exam. It is a vast subject dealing with the spatial association between individuals, places, …

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Seafloor Spreading theory: Geography UPSC IAS

The hypothesis of seafloor spreading was put forward by H. Harry Hess in 1960. This was a new development that again proved the theory of continental drift. In this article series, we are learning about the theories which explain the present distribution of oceans and continents, the concepts which explain the distribution of earthquakes and …

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Continental Drift Theory: Geography UPSC

Continental Drift theory was put forth by Alfred Wegener, a German meteorologist, polar explorer, astronomer, and geologist. He is in fact known as the father of continental drift. In a lecture in 1912, Wegener proposed a startling theory of ‘continental drift’. Continental Drift Theory (Alfred Wegener) He postulated that all the earth’s land had once …

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Classification of Rocks: Igneous, Sedimentary and Metamorphic Rocks

In this article of Geomorphology(Geography UPSC), we will discuss the Classification of Rocks: Igneous, Sedimentary, and Metamorphic Rocks & Rock Cycle. ROCK SYSTEM The Earth’s crust is made up of various types of rocks and the scientific study of rocks is called petrology. These rocks differ in – Texture – the degree to which something …

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