The movement of water around earth s surface is the hydrologic water cycle. Distribution of water on earth read earth science ck. The water cycle is the continuous movement of water on, above, and. Two percent of the earths water is stored as fresh water in glaciers, ice caps, and snowy mountain ranges. Over 97 percent of the water resources on earth is found in the ocean and other saline water sources, thus, only about 2. Over 97 percent of the earths water is found in the oceans as salt water. Scale, proportion, and quantity students conduct an investigation by using relative scales to describe the distribution of water on earth. Looked at another way, only one percent of the water on the earth s surface.
Looked at another way, only one percent of the water on the earths surface. The earth has a finite amount of water, with most of the water being found in the oceans. These are the notes over fresh water, distribution of the earths waters, as well as the percentage of salt water to fresh water and the break downs of how where the fresh water is located and how much is available for human consumption, conservation methods. The movement of water around earths surface is the hydrologic water cycle. Earths water lesson 1 how is water distributed on the earth. Because earth s water is present in all three states, it can get into a variety of environments around the planet. Apr 25, 2017 natural resources ppt pdf free to download.
Each page invites your learner to interactive with the subject to engage the information. Most fresh water is trapped as ice in the vast glaciers and ice sheets of greenland. However, of all the water on earth, more than 99 percent of earths. Water falls from the atmosphere as snow, hail, or rain onto land and ocean. The remaining 1% of earths freshwater is found underground 0. Song serotone radio slaves panorama garage remix artist matt obrien. Not that much actually water covers 71% of the earths surface. The natural resources may be defined as any material given to us by nature which can be transformed in a way that it becomes more valuable and useful.
A storage location for water such as an ocean, glacier, pond, or even the atmosphere is known as a reservoir. Pdf with 70 percent of the earths surface covered in water, how could we ever run out. Our nearest star directly impacts the water cycle by supplying the energy needed for. The distribution of water on earth lesson will correlate to other interdisciplinary areas. In this activity, students will toss a globe to collect data on whether there is more surface water or land on earth. This is locked up in glaciers with only a small amount on the land surfaces lakes, rivers and streams.
In this video, dave campbell and keith hunter discuss how the earths water is distributed. For the love of physics walter lewin may 16, 2011 duration. Chapter 8 water distribution systems distribution system is a network of pipelines that distribute water to the consumers. Many department of health doh employees provided valuable insights and suggestions to this publication. Water distribution read earth science ck12 foundation. Two percent of the earth s water is stored as fresh water in glaciers, ice caps, and snowy mountain ranges. Water on earth moves between the atmosphere, land, and oceans in a journey known as the hydrologic or water cycle. This website and its content is subject to our terms and conditions. They use data from their investigation to provide evidence that there is a. The water available to planet earth is the same water that has always been available and the only water that ever will be available. The earth cleans and replenishes the water supply through the hydrologic cycle. Upwelling the movement of nutrientrich waters from the deep ocean into shallow areas. Relying only on popular news blurbs, press releases etc for writing articles can beis problematic and misleading. In reality, however, we have a limited amount of usable fresh water.
Most water in the earths atmosphere and crust comes from the world oceans saline seawater. Nov 21, 2019 water supply and distribution factsheet sustainable water resources management link between faults and water entering earth surface and water masters distribution of water on the earth s surface 103 infreshwater availability clroom activity precipitation educationactivity 2 1 global water distributionu s water supply and distribution factsheet center forthe water cycle precipitation. Acknowledgments this is the fourth edition of the water system design manual. Effect of different angular momentum transport mechanisms on. The distribution of water on, in, and above the earth. About 71 percent of the earth s surface is water covered, and the oceans hold about 96. As demand for water increases across the globe, the availability of fresh water in many regions. Over 97 percent of the earth s water is found in the oceans as salt water. The distribution of water on the earth s surface is extremely uneven. Water occurs in many forms on earth, and it is naturally present in all three phases of matter.
I purposefully encourage the students to independently make sense of the directions as this is an important skill to learn at the 5th grade level. These quantities also vary with season and location in latitude and longitude, as well as from night to day. Second, the water in the mantle isnt water as h 2 o, rather it is the hydroxide oh content of a silicate mineral that isnt stable under the conditions of earths surface where water h 2 o is stable. We consider the radial transport of water vapor and icy particles by diffusion, advection, and drift. Level of macroeconomics pdf huntsburg ohio haynes 3239 cocepts of physics dhcp server geauga county.
Global water resources under increasing pressure from. Global warming will change patterns of rainfall and water distribution. Although rivers account for only a small amount of freshwater, this is where humans get a large portion of their water. There are nine important areas of energy resources. But just how much water exists on, in, and above our planet. They are designed to adequately satisfy the water requirement for a combination of o domestic o commercial o industrial o fire fighting purposes. The report highlights the following aspects related to the worlds water distribution. Regions that rely on snow melt may find that there is less snow and the melt comes earlier and faster in the spring, causing the water to run off and not be available through the dry. A good distribution system should satisfy the followings. As soon as students have all the supplies needed for the investigation, i ask the teams to begin reading and following the directions on the the distribution of water on earth investigation. Distribution of water on earth1 fresh water aquifer.
The total volume of water in rivers is estimated at 2,120 km. There is also water in the atmosphere, but this is a tiny. The distribution earthing philosophy in this manual is related to energex manuals and documents, and australian standards, guides and regulations as shown below. View more articles from proceedings of the american philosophical society. The presence of water in solid, liquid and gaseous forms is one of the primary factors that distinguishes earth from its neighbors in the solar system. Tell students that the water in the bowl represents all of the fresh water on earth, which is less than three percent of the total water on earth. This powerpoint file contains information about the water cycle. The water that was here billions of years ago is still here now. Aug 14, 2017 water distribution water is a finite source. The vertical distribution of temperature, pressure, density, and composition of the atmosphere constitutes atmospheric structure. Because earths water is present in all three states, it can get into a variety of environments around the planet.
The sun, many millions of kilometers away, provides the energy that drives the water cycle. Earths oceans contain 97% of the planets water, so just 3% is fresh water, water with low concentrations of salts. Therefore, even though the stocks of water in natural and artificial reservoirs are helpful to increase the available water. As the earth warms, regions that currently receive an adequate supply of rain may shift. Earth is often called the blue planet, because of its abundance of liquid water. This entry describes the unequal distribution of freshwater resources on.
Effect of different angular momentum transport mechanisms. Distribution of water on the earths surface earth 103. At this point, it is important to ensure that the concepts of global water distribution and water conservation have been introduced or discovered by the youth. The remaining 1% of earth s freshwater is found underground 0. Because water covers threequarters of the earths surface, it might appear that there is plenty to go around. The first slide shows a picture that includes all processes in the water cycle. There is also water in the atmosphere, but this is a tiny amount. In this quiz, you will be tested on freshwater, a primary resource of drinking water. Not that much actually water covers 71% of the earth s surface. Water distribution on earth where is water distributed on earth. That leaves only one percent of the earth s water available to us for our daily water supply needs.
Distribution of water on earth1 free download as powerpoint presentation. Distribution of water on earth activity the earth images. Distribution of water on earth 1 free download as powerpoint presentation. The suns heat provides energy to evaporate water from earths surface water oceans, lakes, etc. The distribution of river runoff across the earths surface is very uneven. Distribution of water on earth oceans 1,350 x 1015 m3 97. The origin of water on earth dates back to several million years. Of freshwater, 69% resides in glaciers, 30% underground, and less than 1% is located in lakes, rivers, and swamps. Search and free download all ebooks, handbook, textbook, user guide pdf files on the internet quickly and easily. Rivers and basins are often compared not according to their static volume, but to their flow of water, or surface run off. About 71 percent of the earths surface is watercovered, and the oceans hold about 96. There are nine important areas of energy resources and they come into two categories which are as follows. Jan 08, 2014 for the love of physics walter lewin may 16, 2011 duration. This powerpoint file contains information about the water.
Even though the majority of the earths surface is covered in water clean freshwater makes up. Water supply and distribution factsheet sustainable water resources management link between faults and water entering earth surface and water masters distribution of water on the earth s surface 103 infreshwater availability clroom activity precipitation educationactivity 2 1 global water distributionu s water supply and distribution factsheet center forthe water cycle precipitation. Chou m, cheng cz 2017 distribution of watergroup ion cyclotron waves in saturns magnetosphere. Explains the distribution of water around the world and the causes and consequences of water scarcity. The last slide provides information on the distribution of water on the earth. Water is essential to existence of all organisms on earth. Subsequent slides discuss each process individually. Download a pdf of all web pages for the student materials. Water makes up a large portion of earth, but most of it we dont use for drinking. In this quiz, you will be tested on freshwater, a primary resource of drinking water, and ocean water. Lesson the distribution of water on earth betterlesson. Water is a naturally circulating resource that is constantly recharged. The suns heat provides energy to evaporate water from earth s surface water oceans, lakes, etc.
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