about how much percent of the earth is covered with water
How much water is that? It's roughly 326 million cubic miles (1.332 billion cubic kilometers), according to a recent study from the U.S. Geological Survey. Some 72 percent of Earth is covered in water, but 97 percent of that is salty ocean water and not suitable for drinking. 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. 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). About 66% or 2/3 of the Earth is covered by water. The amount of Earth covered by water is exactly 71.13%. 70.78% of the Earth is covered in water. Land covers 29.22 percent of the Earth's surface. This is about 57.5 million square miles (149 x 106 square kilometers). Water covers the other 70.78 percent of the Earth's surface. This is about 139.4 million square miles (361 x 106 square kilometers). 1 The oceans cover 71 percent of the Earth's surface and contain 97 percent of the Earth's water. 2  Less than 1 percent of the Earth's water is fresh water, and 2-3 percent is contained in glaciers and ice caps. Liss. About 71 percent of the Earth's surface is water-covered, and the oceans hold about 96.5 percent of all Earth's water. But water also exists in the air as water vapor, in rivers and lakes, in icecaps and glaciers, in the ground as soil moisture and in aquifers, and even in you and your dog. How much of the Earth is water? 1  The oceans cover 71 percent of the Earth's surface and contain 97 percent of the Earth's water. 2  Less than 1 percent of the Earth's water is fresh water, and 2-3 percent is contained in glaciers and ice caps. 3  The oceans contain 99 percent of the living space on the planet. 1 Less than 1 percent of the Earth's water is fresh water, and 2-3 percent is contained in glaciers and ice caps. 2  The oceans contain 99 percent of the living space on the planet. 3  If the ocean's total salt content were dried, it would cover the continents to a depth of 5 feet. A rule of thumb for ecologists is that the amount of carbon stored in a tree equals 50 percent of its dry biomass. So if you can estimate the biomass of all the trees in all the forests, you can estimate how much carbon is being stored on land. The Earth's freshwater is even rarer. 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. Here's how Earth's freshwater is spread around the globe: 1  70 percent of freshwater is locked in ice caps. Forests are considered one of the world’s largest banks for all of the carbon emitted into the atmosphere through natural processes and human activities. They cover about 30 percent of Earth’s land surface, while accounting for 50 percent of plant productivity. As much as 45 percent of the carbon stored on land is tied up in forests. Forests cover 30 percent of the Earth’s land. Scientists really don’t know exactly how much carbon our forests can hold. What they do know is that human activities have moved a lot of carbon from long-term, stable storage—such as rocks, buried fossil fuels, and old-growth forests—into forms with short-term, direct impacts on the environment.
70.78%