![]() ![]() Not unlike evaporation, the sun’s energy also has an impact on the condensation process. CondensationĬondensation is the process in which water in its gaseous state changes into its liquid state. Alongside carbon dioxide and other greenhouse gases, it traps the heat energy the Earth receives from the sun, effectively maintaining the planet’s temperature. Furthermore, water vapour is a greenhouse gas and plays an important part in keeping our planet warm enough for life to continue to exist. Water vapour is all around us, and is even present in the air we breathe. Evaporation occurs the most in places that have high temperatures, brisk air flow, and large surfaces of water. ![]() The rate of evaporation is determined by many factors such as air temperature, the amount of water vapour present in the air (humidity), solar radiation, altitude, and the current state of the ground level. In the water cycle, liquid water stored in the rivers, oceans, lakes, and other bodies of water evaporates, turns into water vapour, and rises into the atmosphere. Water Cycle Processes EvaporationĮvaporation is the process in which water in its liquid state changes into its gaseous state. However, despite all of these, many parts of the world still do not have access to clean, potable water. A few examples of these innovations include the digging of wells to access groundwater, the collection of rainwater, and removing salt from saltwater through desalination. Human innovation has resulted in the development of technologies that allow water to be more available and accessible. A deficiency in the supply of fresh water has serious implications on ecosystems and the various organisms that belong to them. The survival of many living organisms depends on the tiny percentage of fresh water available on the Earth’s surface. Lastly, water vapour in the atmosphere contributes the smallest portion at 0.001 percent. Water found in rivers, lakes, in the ground, only accounts for an estimate of 1.7 percent. 1.7 percent is stored in its solid form in the Earth’s polar ice caps. More than half of our own bodies are made up of water, and even 70% of each of our cells is water.Ī large majority, 97 percent, of water on Earth is stored in the ocean. Obviously, humans are not exempt from this. Many living things such as plants and animals need water for their survival. Water is of utmost importance to many living organisms. On the other hand, the Earth’s gravity stopped water vapour from flying out into space. ![]() The sun’s solar energy aided in powering and maintaining this cycle. Eventually, the water vapour cooled and condensed, and precipitation in the form of rain fell on the cooling Earth. Water vapour that seeped out of the magma from the Earth’s core rose into the atmosphere. The water cycle first began around 3.8 billion years ago. These avenues for exchange and transfer reach 15 km upwards into the atmosphere and 5 km downwards into the Earth’s crust. The different paths for water transfer pervade the whole hydrosphere. The entire water cycle is composed of the collection of all reservoirs on earth, the processes that transfer water from one reservoir to another, and how the rates at which these transfers occur. Water is transferred between the different reservoirs on earth through the water cycle. Water in all its various forms make up the hydrosphere, the discontinuous layer that encloses much of the surface of the Earth. In total, this great amount of water amounts to a volume of 1.4 billion cubic kilometres. Water that comes in its liquid and solid forms comprise the world’s oceans, rivers, lakes, glaciers, ice caps, and the groundwater found deep in the earth. In fact, roughly 75 percent of the surface of our planet is covered by this important molecule. Water is the most abundant substance on the Earth’s surface.
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