Land surface area of earth

Area of Earth's Land Surface

land surface area of earth

"Surface Area: Land area, about ,, sq km, or about 30% of total " Data in regard to the earth: Land area, x km2, x sq mi.

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Land , sometimes referred to as dry land , is the solid surface of Earth that is not permanently covered by water. Some life forms including terrestrial plants and terrestrial animals have developed from predecessor species that lived in bodies of water. Areas where land meets large bodies of water are called coastal zones. The division between land and water is a fundamental concept to humans. The demarcation between land and water can vary by local jurisdiction and other factors.

Earth is the third planet from the Sun and the only astronomical object known to harbor life. According to radiometric dating and other sources of evidence, Earth formed over 4. Earth orbits around the Sun in During this time, Earth rotates about its axis about Earth's axis of rotation is tilted with respect to its orbital plane, producing seasons on Earth.

Nature Climate Change. Areas in green show where water has turned into land and those in blue show where land has become water. They found that , sq km 44, sq miles of land is now covered in water and , sq km 67, sq miles of water has now become land. The largest increase in water has been on the Tibetan Plateau, while the Aral Sea has been the biggest conversion of water to land. The team found that vast areas that were once land are now submerged beneath water, with the largest change occurring in the Tibetan Plateau, where melting glaciers are creating huge new lakes. The biggest transformation was seen in the Aral Sea in Central Asia. What was once one of the largest lakes in the world has now almost completely dried up after engineers diverted rivers to irrigate agriculture.

Out of these five, there are three major oceans, the Atlantic, Pacific, and the Indian Ocean. They account for 90 percent of the area covered by oceans.
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From astronomers determining that Earth was in fact round and not a flat disc, cube or ziggurat , to the first successful attempts at circumnavigation, our estimates have changed over time. And in the era of modern astronomy, improvements in instrumentation, methodology, and the ability to see Earth from space have certainly helped. According to modern estimates, the surface area of the Earth is approximately million square km 5. For starters, and contrary to what scientists have believed since classical antiquity, Earth is not a perfect sphere. Since the 17th and 18th centuries thanks to improvements made in the field of astronomy and geodesy a branch of mathematics dealing with the measurement of the Earth scientists have understood that the Earth is actually a flattened sphere.

All rights reserved. This map shows where land has been transformed into water in blue and where water has turned to land green over the last 30 years. While this is certainly true in some places, a new study found that there is actually slightly more land surface exposed than there was 30 years ago. The results, shown in the map above, revealed that between and around , square kilometers 67, square miles of water were transformed into land and , square kilometers 44, square miles of water shifted to dry land. The Tibetan plateau stands out as a location that has gained more water-covered area in the past 30 years than most. The changes are spread across the globe and are both natural and man-made.



Land surface area of earth

What is the total surface area of the earth covered by the amount?

What is the Surface Area of the Earth?

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    Calculation:

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