Notes and Study material for Exams
Waves A wave can be described as a disturbance that travels through a medium from one location to another location.It is a disturbance or variation that transfers energy progressively from point to point. It may take the form of an elastic deformation, a variation of pressure, electric or magnetic intensity, electric potential, or temperature. When … Read more
Classcial Theories: Halley’s Thermal concept: Indian monsoon is because of contrast between Indian Subcontinent and adjoining Indian Ocean. Halley’s theory, suggested in 1686, considers the summer monsoon to be a regional phenomenon. Aerological concept: This was suggested by R. Scherhag in 1948. According to this theory, monsoon circulation develops due to changes in air … Read more
Each landform has its unique physical shape, size, materials and is a result of the action of certain geomorphic processes and agent(s). Every landform has a beginning. Landforms once formed may change in their shape, size and nature slowly or fast due to continued action of geomorphic processes and agents. Due to changes in … Read more
located where river meets the sea. the most productive water bodies in the world The complete salinity range from 0-35 ppt is seen from the head (river end) to the mouth (sea end) of an estuary Coastal lakes which have their connection with the sea through small openings are better known as lagoons or … Read more
ECOLOGY Ecology is defined “as a scientific study of the relationship of the living organisms with each other and with their Environment.” The classical texts of the Vedic period such as the Vedas, the Samhitas, the Brahmanas and the Aranyakas–Upanishads contain many references to ecological concepts .The Indian treatise on medicine, the Caraka- Samhita … Read more
Elements of Climate and weather Climate is decided by a region’s climate system. A climate system has few major components: the Atmosphere, the layer, the cryosphere, and the land surface. The atmosphere is that the most variable a part of the climate system. The composition and movement of gases encompassing the planet will change … Read more
A tsunami is a very long-wavelength wave of water that is generated by sudden displacement of the seafloor or disruption of any body of standing water. Tsunami are sometimes called “seismic sea waves“, although they can be generated by mechanisms other than Earthquakes. Tsunami have also been called “tidal waves”, but this … Read more
Coral is actually a living animal. has a symbiotic relationship (each gives something to the other and gets something back in return) With ‘zooxanthellae’ microscopic algae which live on coral [i.e. instead of living on the sea floor, the algae lives up on the coral which is closer to the ocean surface and so … Read more
The Unfolding Crisis: Understanding the Causes and Effects of Climate Change The Earth’s climate has always been in a state of flux, undergoing natural cycles of warming and cooling. However, the current rate of change is unprecedented, driven by human activities that are altering the delicate balance of our planet’s atmosphere. This rapid warming, known … Read more
