Our World: Why Are Oceans Salty? Alien-like photo shows snake eel dangling out of heron's stomach in midair, Wide-eyed prehistoric shark hid its sharpest teeth in nightmare jaws, 70 percent of freshwater is locked in ice caps, Less than 1 percent of the world's freshwater is readily accessible, 6 countries (Brazil, Russia, Canada, Indonesia, China and Colombia) have 50 percent of the world's freshwater reserves. If you took all the water on Earth and put it together it would be a ball 860 miles wide. Salt water has different kinds of salt in it, but it mostly … It's one of the things that makes our big, blue planet so special. It’s also in living things. There is no shortage of water on earth. A third of the fresh water is in the ground. The Earth's freshwater is even rarer. Visit our corporate site. "There's not a lot of water on Earth at all," said David Gallo, an oceanographer at the Woods Hole Oceanographic Institution (WHOI) in Massachusetts. Water covers 71 percent of Earth’s surface. Just 3.5 percent of the water on Earth is fresh water we can drink. NY 10036. Salt water has different kinds of salt in it, but it mostly has sodium chloride, the same salt we add to our food. Water covers 71 percent of Earth’s surface. The Earth stripped of its water (left). A very small amount is in our atmosphere, where it exists as water vapor. Most water in Earth's atmosphere and crust comes from the World Ocean's saline seawater, while fresh water accounts for nearly 1% of the total. And most of that fresh water, 68 percent, is trapped in ice and glaciers. Oceans create a water layer spanning 15,000 miles (24,000 kilometers) across the planet at an average depth of more than 2 miles (3.2 km). Earth has a lot of water. This seems, and looks, like a lot of water, Gallo told Life's Little Mysteries, but looks can be deceiving. Countries labeled as moderate to high stress consume 20 percent more water than their available supply. One-third of the world's population lives in "water-stressed" countries, defined as a country's ratio of water consumption to water availability. About 75% of the earth is covered in water. "For humanity to thrive, or even exist, we need to sprinkle that teeny bit of fresh water in the right places, at the right times and in just the right amounts," Gallo said. There's a whole lot of water on Earth! Americans celebrated Thanksgiving during a pandemic before. New York, How much water is that? All of the Earth's ocean water (middle) and freshwater (right). And almost all of it—96.5 percent—is salt water. If you poured all of the world's water on the United States and could contain it, you'd create a lake 90 miles (145 km) deep. Something like 326,000,000,000,000,000,000 gallons (that's 326 million trillion gallons) of the stuff (roughly 1,260,000,000,000,000,000,000 liters) can be found on our planet. Thank you for signing up to Live Science. Learn more about Earth's water in this video! The Earth holds about 326 million trillion gallons (326,000,000,000,000,000,000 gallons) of water . And almost all of it—96.5 percent—is salt water. Please deactivate your ad blocker in order to see our subscription offer. Earth is special because it has so much water. Because the oceans that cover roughly 71% of the area of Earth reflect blue light, Earth appears blue from space, and is often referred to as the blue planet and the Pale Blue Dot. If you crunch the numbers, here’s the percentage in global water distribution of all these sources of water. Live Science is part of Future US Inc, an international media group and leading digital publisher. That’s a lot of water! It's roughly 326 million cubic miles (1.332 billion cubic kilometers), according to a recent study from the U.S. Geological Survey. Whodunit solved when 'sword' is found embedded in thresher shark, Physicists could do the 'impossible': Create and destroy magnetic fields from afar, Arecibo radio telescope, damaged beyond repair, seen from space. Some 72 percent of Earth is covered in water, but 97 percent of that is salty ocean water and not suitable for drinking. Here's how Earth's freshwater is spread around the globe: There is much more freshwater stored in the ground than there is in liquid form on the surface, according to the USGS. Stay up to date on the coronavirus outbreak by signing up to our newsletter today. This article was provided by Life's Little Mysteries, a sister site to OurAmazingPlanet. Real World: Global Cloud Observation Day, Real World: Global Cloud Observation Day. If the Earth was an apple, Gallo said, the water layer would be thinner than the fruit's skin. It’s in the ground, forms big oceans, and it’s in our atmosphere. Earth Is Drinking More Seawater Through The Mariana Trench Than Previously Thought. Please refresh the page and try again. An estimated 1.5 to 11 times the amount of water in the oceans may be found hundreds of kilometers deep within the Earth's interior, although not in liquid form. Earth’s water by the numbers. If Earth was the size of a basketball, all of its water would fit into a ping pong ball. Here's what happened. There was a problem. That’s what clouds are made of. It's roughly 326 million cubic miles (1.332 billion cubic kilometers), according to a recent study from the U.S. Geological Survey. We call it groundwater. However, despite the fact that three-quarters of the Earth are made up of water, less than 3% of the water is fresh, non-saline water. The earth boasts of some of the largest water bodies including the oceans, lakes, and rivers that stretch across approximately two-thirds of its surface. The last two percent of fresh water is in the rivers, lakes, and streams. Receive news and offers from our other brands? How Much Water Is There On Earth … Receive mail from us on behalf of our trusted partners or sponsors? This poster summarizes the video and makes a great wall decoration! © How much water is that? Your body is made up mostly of water. The Nature Conservancy Is 0 03 Drinkable And Accessible Water Really All There Nope Try 4 Waterwired. How Much Water Is On Earth Nasa E Place Science For Kids. You will receive a verification email shortly. Our World: ICESat-2 - What Is Ice? Future US, Inc. 11 West 42nd Street, 15th Floor,