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Groundwater is clean and beautiful water at our feet and can be used for drinking water, but there are many other freshwater sources on the earth as well. The rest will be filtered and not cleaned. Water such as lakes, rivers and reservoirs is a collection of freshwater throughout the Earth's surface. These water sources may eventually penetrate the groundwater, evaporate back into the atmosphere, and return to the sea.

What are we kidding? The lake is just a big puddle. Seriously, this is not fair. The lake is a vast area of ​​freshwater. Some lakes are in the mountains, and snow from the surrounding mountains are released to the area. A bowl is formed on top of the mountain and water is gathered. When the lake reaches a certain level, water floods and flows into the river or flows along one side of the mountain.

Rivers, rivers, and rivers are similar, but their names are different because of their different sizes. Ogawa may trickle through the forest after it rains. On the other side of the spectrum there are rivers such as the Mississippi River and the Nile River. These examples are huge rivers that constantly flow into the ocean. Rivers usually join larger rivers and rivers. The key to these types of freshwater is to flow water from higher altitude to lower altitude, eventually leading to the ocean (sometimes lakes and reservoirs).

Not all freshwater resources are produced naturally. As civilization develops, it is necessary to collect and store as much fresh water as possible. Reservoirs were invented to satisfy this demand. They are huge containers for artificial lakes. When the rainy season comes, water collects and collects. There is plenty of water in the dry season. Humans also collect water using smaller equipment called water towers. If you need to build a reservoir you need a dam to prevent water from flowing out of the valley. Water is not drained to low altitude, but fills the valley. China is currently building the largest dam in history

Flooding at the edge of the continent, changing its wetting and drying zone location also affects the underground "water circle". In regions where natural water is growing and decreasing, does the ascending and descending of the crust accompany earthquake activity? Available data on artificial subsidence and uplift stimulating the earthquake activity on the earth shows the possibility of such events. For centuries the dynamical balance between the Earth maintained by slowly moving geological and geographical processes can be devastatingly destroyed. Such a violation undoubtedly causes huge damage to the world economy, but human technical genius should be able to resist it. Therefore, in order to provide safety to the biosphere and humans, it is necessary to take measures to offset the increase in atmospheric carbon dioxide concentration.

Earth science includes geology, lithosphere, large-scale structures in the planet, atmospheric, hydrosphere, biospheric research. In many cases, earth scientists quantitatively understand how the Earth functions and evolves using tools such as geography, chronology, physics, chemistry, biology, mathematics and others. Earth science affects our daily lives. For example, meteorologists will examine the weather and observe the dangerous storm. Hydrologists research water and warn about floods. Seismologists research earthquakes and try to predict the earthquakes they will happen. Geologists will study rocks and help them find useful minerals. Earth scientists mainly climb wild mountains, explore the ocean floor, climb caves, trekking in wetlands. They measure and collect samples (such as rocks and river water) and record the results on charts and maps.