Geography

Earth’s atmosphere is slightly warmer than what it should be due to direct solar heating because of a mild case of greenhouse effect. The ground is…

General objective of this lecture is to present on Greenhouse Gases. Greenhouse gases absorb infrared radiation and prevent it from escaping to space. Carbon dioxide, methane, and nitrous…

The Earth’s surface thus receives energy from two sources: the sun & the atmosphere. As a result the Earth’s surface is 33C warmer than it would…

Principle objective of this lecture is to present on Spheres of The Earth. Everything in Earth’s system can be placed into one of four major subsystems: land,…

The hydrosphere contains all the water found on our planet. Water found on the surface of our planet includes the ocean as well as water from…

Primary objective of this lecture is to present on Scales in Physical Geography. It is he processes of the life layer and the four great realms operate…

Geography is the study of the evolving character and organization of the Earth’s surface. It is about how, why, and where human and natural activities…

Anthrosphere is interactions of Homo sapiens with all aspects of the environment. We are going to look at each sphere, the interactions, and the solutions as…

This lecture introduce on Lithosphere. The lithosphere is the solid, rocky crust covering the Earth. It covers the surface of earth from the top of Mount Everest to…

Major purpose of this lecture is to present on What is the source of Earth’s Energy. Energy is transferred between Earth’s spheres, but it is not created…

The cryosphere is made up of all of the frozen water on Earth. Snow, ice, sea ice, glaciers, ice shelves, icebergs, and permafrost are all part…

The aim of this lecture is to present on Earth’s Spheres. A system is a group of related objects or parts that work together to form a…