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Hydrologic cycle - essay
Hydrologic cycle - essay
Hydrologic cycle - essay
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As deadly as water can be at times, it is also essential for life on this planet we call home. There is a fixed amount of it on earth – none can be added, just as none can be lost. It doesn’t always seem this way when it is not where is once was, making it inaccessible, or when it is now where it was not before, making it inconvenient. Much like rocks, water ends up in different places, at different times, taking on different forms. For water, the forms it can take on are liquid, solid, or gas, and they can determine at which point in the hydrologic cycle is in action. The hydrological cycle studies the circulatory flow cycle of water through land, oceans, and atmosphere. Of course there can be naturally occurring incidents within this …show more content…
These clouds will only go but so high, it gets colder the higher they go making it hard for the clouds to contain that moisture any longer, and thus precipitating. When water evaporates and forms these clouds it leaves the salt behind taking only fresh water, so when it precipitates that water returning to earth’s surface and bodies of water should be fresh. However, because of human activities large amounts of acidic components are released in to the air and precipitation brings down these suspended articles with it. If there is too much acidity in the air it increases the amount of acid rain. This is particularly bad for areas with a significant amount of limestone. Acid rain breaks down limestone and can cause caves, and sinkholes come from the top of those caves collapsing. One heavily populated state that sits on top of a lot of limestone is Florida. Caves do not last very long, and with an increase in acid rain it decreases that lifespan and increases the numbers of …show more content…
Water runs off impermeable surfaces or steep slopes, but erodes and take things with it as it is on the move. The water is controlled to go in to storm drains, leading to bigger bodies of water or lakes, such as Lake Arbor, created for storm water management. However not everything always goes as “planned” and when the sediment and waste is carried away with this runoff in to our fresh water, this is known as eutrophication. An example of this would be when humans over fertilize their lawns and when it precipitates the excess water that runs off to bigger surface water takes that fertilizer with it. This results in aqua plants using that fertilizer to grow and using too much of the oxygen in the water, not leaving enough for other life in the water. In places like the Chesapeake Bay, this is what causes dead zones. People often don’t consider that what they do affects places like this because of the distance, but that water has to go somewhere no matter what watershed they are a part
Eutrophication is a concern in the Chesapeake Bay. Eutrophication is caused by excessive amounts of nutrients. Excessive nutrients in the bay have negative affects on the bay's ecosystem. The extra nutrients make the environment unbalanced. The extra nutrients cause a chain reaction that depletes oxygen and kills most of the organisms in that area. This is what is known as a dead zone.
But one can’t look at “water” in a monolithic sense, because not all water is usable for drinking or irrigation. Usable water can be defined, in this instance, as a source that is reliable, consistent, and clean enough to drink or use for irrigation. This includes rivers, lakes, wells, but it does not include oceans or contaminated water. In some circumstances, the water that is at first promising can then become contaminated; water standing in irrigation ditches can become a fertile breeding ground for mosquitoes and other carriers of disease. In addition, the over-use or diversion of water can impact its quality, creating water heavy ...
Eutrophication is a concern in the Chesapeake Bay. Eutrophication is caused by excessive amounts of nutrients. Excessive nutrients in the bay have negative effects on the bay's ecosystem. The extra nutrients make the environment unbalanced. The extra nutrients cause a chain reaction that eventually kills most of the organisms in that area. This is what is known as a dead zone.
...eading contributor of pollutants to lakes, rivers, and reservoirs…..Surface discharges can be caused by heavy storms or floods that cause storage lagoons to overfill, running off into nearby bodies of water. Pollutants can also travel over land or through surface drainage systems to nearby bodies of water, be discharged through manmade ditches or flushing systems found in CAFOs, or come into contact with surface water that passes directly through the farming area.
Use of pesticides & other fertilizers infuse nitrogen oxide into the water bodies acidifying the water which kills the plants and aquatic animals living in
Water is the dominating force of life; it has etched, carved and determined the fate of humanity itself since the beginning of time. All living organisms are reliant on water; forced to migrate or adapt at a turn of events as simple as a drought. Despite pipes, wells and most other man made engineering, even humans still spend their days chasing clouds. So for once on this planet there are no arguments, no debates, as to the fact that we need water to survive. We even depend on the undrinkable oceans coating the earth; that act as a shelter for tens of thousands of ecosystems, food chains, and organisms. Some of which have achieved such a precarious balance, that the loss of any creature in a food web may lead to the downfall of the planet itself. “We are already well into a new geological era… where human interference is the dominant factor in nearly every planetary ecosystem, to the detriment of perhaps all of them” (Lynas, 49). So why exactly are humans shifting such an important balance for the sake of excess? We’re tipping the scale; and might not be able to tell when the water starts to burn. Ocean acidification is a process that disrupts some of the most important biological functions and processes that all living organisms are dependent on.
“Water is the driving force of all nature.” Leonardo da Vince once said. Water is a huge part of life, and everything that lives requires water to make it through its days on earth. A lot of people think that the world has massive amounts of water available for use; therefore, most roll their eyes when conserving water is mentioned. After all, 71% of the earth’s surface is made up of water. However, the truth is that only 2.5% of that is clean, drinkable water, and two-thirds of that percentage is unavailable because it is stuck in ice caps and glaciers (water). The water ordeal in America is bigger than many realize, and the United States needs to begin looking at how we can solve this issue. The U.S. needs to acknowledge the impending dangers and help the states that are already suffering by putting water conservation methods in place and investing money into research for alternatives.
There are numerous stages that take place simultaneously in the hydrologic cycle and this includes evaporation. This is when the water alters from a liquid state into a gas. The damp air from the water rises into the atmosphere and when it cools, the vapor condenses and shapes into clouds. But those billows are not the only form the vapors make; it can also materialize as dew, fog and mist, which blanket the Earth, characteristically on a rainy or humid day. Evaporation takes place when water changes from a liquid state into a gaseous state, and ascents out of the pores of the earth and into the atmosphere as a vapor (“How”). While evaporation is taking place, condensation is also occurring. When the temperature in the air plunges, the clouds become heavy and as a result they relieve themselves of the extra weight, which is called precipitation. This produces rain, hail, snow and sleet, conditioned upon the temperate. As the precipitation falls, it enters the surface of the ground and percolates into the soil, which is called infiltration. The more porous the land is, the more the infiltration can take place. However, the ground cannot hold all of that water and floods. The excess rainfall, which is also called runoff that has not been absorbed makes its way into bodies of water, such as small ponds, rivers, lakes and parts of the ocean (“Summary”).
Water has three stages—liquid, gas and solid. Water on Earth can be liquid as rain, streams, or oceans. It can be a solid like hail, ice or snow. It can be a gas like vapor, steam or clouds. As described by the Department of Atmospheric Sciences (2010), the hydrologic cycle is the process of water changing from liquid to gas to solid. The energy of the sun drives the changes to water. When water is heated up, it evaporates, turning into a gas to form steam or vapor. The water vapor rises with warm air that when meets cooler air, condenses to form clouds. These clouds and water vapor can be transported around the world. Precipitation is when water falls to Earth, in warmer temperatures as liquid and in temperatures, as a solid. On Earth, precipitation can evaporate again or infiltrate the Earth to become groundwater. As ground water it can collect in oceans, rivers or on snowy mountaintops and glaciers. It can also be released back into the atmosphere via transpiration, when water evaporates off soil, trees. When water evaporates, the cycle starts again.
The Chesapeake Bay is a very large estuary that holds more than eighteen trillion gallons of water (“The Bay Watershed”). This large estuary is part of six of the different states of Maryland, Delaware, New York, Pennsylvania, Virginia, and West Virginia (“Chesapeake Bay Program”). Some characteristics of the bay include salinity, temperature, and circulation. The bay watershed is home to seventeen million people and gains more people each year, so it is no wonder why there are pollution problems (“Chesapeake Bay Program”). Chesapeake Bay is the largest estuary in the United States and is diverse in life.
Above all, these organisms encourage the growth of algae, which absorb dissolved oxygen in the water essential for the survival of fish populations. Occasionally, the decomposition of newly-submerged biomass and sediment further reduce the water's oxygen content. Water sources can literally choke to death as a result of increasing human activity, such as industry and agriculture giving rise to increased nutrient loading.
The hydrologic cycle, also known as the water cycle, describes how all the water in the hydrosphere continually moves between oceans, lakes, rivers, land and atmosphere. During the course of the water cycle, water changes state from liquid to gas and back to liquid. The energy that drives the hydrologic cycle comes from the sun. The steps in the water cycle are evaporation, condensation, precipitation and runoff. Transpiration is an additional element in the water
Water is on of the most precious natural resources that exist on our planet. “It is delivered from the atmosphere in the form of rain, snow, hail, fog, and condensation and returns to the atmosphere by evaporation and transpiration” (Hannigan 1969). Although many of us love activities that have to do with water, we disregard it and pollute out rivers, lakes and oceans. Slowly but surely we are going to harm out planet till no return. Protecting and conserving nature will secure a better future. 71% of earth is covered with oceans. Sounds like a lot right? Imagine ...
Water is our main source of our life. We need it to live, drink, bathe,
Water covers about seventy one percent of Earth’s surface. Earth is the only planet to have stable bodies of liquid water on its surface which is crucial for all known life forms. Water is a substance which acts as a solvent in which organic compounds can mix, and it is the substance which is thought to be necessary to facilitate the formation of life. There are many forms of water which include ice, liquid, and gas. Because water can exist as a gas, it can be stored in the atmosphere and be delivered as precipitate. Water also helps regulate the climat...