Geolearn Theory of Continental Drift The concept of drifting the continent was proposed by Antonio snider (French geographer) in 1858. The hypothesis of continental drift was prepared by Taylor in 1910. Alfred Wegener proposed the theory of continental drift in 1912. In the continental drift theory, Wegener proposed the first full-scale scientific theory which describes the … Read more
The Pacific Ocean is known as the biggest ocean on the earth which occupies 1/3rd part of the entire globe. Pacific Ocean Extension 16000 km in East-West (Asia Coast to America (West Coast), With this, 14800 km in North or South (Bering Strait – Cape Andre (Antarctica). The average depth of the Pacific Ocean is … Read more
Chapter -1 CORAL REEFS Introduction: Coral is a cold rock type that mainly consists of the skeletons of small marine organisms known as “polyps”. Coral reefs and atolls are formed from the accumulation and pressure of the skeletons of these lime-secreting organisms. Coral reefs are vibrant, colorful, and multifaceted underwater ecosystems, and are home to … Read more
Remote Sensing is derived from two words, REMOTE + SENSING Remote means distance Sensing means observation Remote sensing means ‘sensing an object or phenomenon, from a distance with the help of a suitable device/platform. “Colwell (1984)” Remote sensing is the acquiring of data about an object without touching it. “American Society of Photogrammetry, 1952; 1966” … Read more
General introduction: Oceanography The Earth’s surface is divided into two major types: oceanic, with a thin dense crust about 10 km thick, and continental, with a thick light crust of about 40 km which are also known as first-order relief features. The ocean and seas cover 70.8% of the surface of the earth, which amounts … Read more