Notes and Study material for Exams
Glaciers Glaciers are made up of fallen snow that, over many years, compresses into large, thickened ice masses. Glaciers form when snow remains in one location long enough to transform into ice. What makes glaciers unique is their ability to move. Due to sheer mass, glaciers flow like very slow rivers. Some glaciers … Read more
Remote sensing refers to the measurement or acquisition of information about an object or phenomena from a distance without physical contact by using devices or sensors mounted on some platform. Remote sensors collect data by detecting the energy that is reflected from Earth. These sensors can be on satellites or mounted on aircraft. Remote sensors can … Read more
Alfred Wegner was a German Meteorologist in the early 1900s who studied ancient climates. Like most people, the jigsaw puzzle appearance of the Atlantic continental margins caught his attention. He put together the evidence of ancient glaciations and the distribution of fossil to formulate a theory that the continents have moved over the … Read more
The Metamorphosis of Stone: Exploring the World of Metamorphic Rocks The Earth’s crust is a dynamic tapestry woven from a myriad of rocks, each with its own story to tell. Among these, metamorphic rocks stand out as the transformed, the reborn. They are the result of intense heat and pressure, forces that reshape existing rocks, … Read more
Water Vapor: The Dominant Greenhouse Gas and Its Complex Role in Climate Change Water vapor, the most abundant greenhouse gas in the Earth’s atmosphere, plays a crucial role in regulating our planet’s temperature. While often overshadowed by carbon dioxide in public discourse, understanding water vapor’s dynamic behavior is essential for comprehending the intricacies of climate … Read more
Environmental Education Environmental education is a process that allows individuals to explore environmental issues, engage in problem solving, and take action to improve the Environment. As a result, individuals develop a deeper understanding of environmental issues and have the skills to make informed and responsible decisions. Benefits of Environmental Education By studying environmental studies, it … Read more
Indian Institute of Remote Sensing (IIRS), Dehradoon Indian Institute of Remote Sensing (IIRS) under Indian Space Research Organisation, Department of Space, Govt. of India is a premier Training and Educational Institute set up for developing trained professionals in the field of Remote Sensing, Geoinformatics and GPS Technology for Natural Resources, Environmental and Disaster Management. It … Read more
Salinity: The Invisible Force Shaping Our Oceans Salinity, the measure of dissolved salts in water, is a fundamental property of the ocean. It plays a crucial role in shaping ocean currents, influencing marine life, and impacting global climate. Understanding salinity is essential for comprehending the complex dynamics of our planet’s largest water body. 1. Defining … Read more
Earth’s Rotation and Revolution Primarily two motions: Rotation and Revolution. Rotation of Earth Earth rotates along its axis from west to east. It takes approximately 24 hrs to complete on rotation. Days and nights occur due to rotation of the earth. The circle that divides the day from night on the globe is … Read more
Remote sensing refers to the measurement or acquisition of information about an object or phenomena from a distance without physical contact by using devices or sensors mounted on some platform. Remote sensors collect data by detecting the energy that is reflected from Earth. These sensors can be on satellites or mounted on aircraft. Remote sensors can … Read more