The area of ​​forest covering more than 9% of the Earth, do you believe it?

Based on Google Earth's high-resolution image documents, scientists have continued to update the total area of ​​the Earth, bringing this number to 9%.

According to ScienceMag, previous human estimates of the amount of forest covered in dry areas around the world are often inadequate, even more difficult. The problem comes from the low resolution satellite image so it is difficult to recognize the difference between forest trees, trees and ground.

The dry lands are actually hiding from 40 to 47% of the trees on Earth.

However, to find a solution, an international research group has done global research, including using a high-resolution set of Google Earth images provided by Google. Each pixel in the giant picture represents a piece of land less than 1 meter wide.

Accordingly, hundreds of scientists and student groups have considered more than 210 thousand photos and discovered, dry areas are actually hiding from 40 to 47% of the trees on Earth. This figure partly pushed the total global forest area to 9%.

The image depicts the distribution of forests in dry areas around the world.

The number of these forests is mainly due to the high quality of high-resolution satellite images. More prominent in Africa, the continent is characterized by a hot and arid climate that is now found to have more than twice the amount of forest compared to previous data. By finding an additional 467 million hectares of other forests globally, the Earth seems to have acquired the second Amazon.

The research by scientists has opened up more knowledge about the carbon cycle, making it more accurate to estimate the CO2 emissions being absorbed in the atmosphere and at the same time comparing and balancing. Better with the amount of CO2 generated from industrial activities, life.