The exact amount of snow and ice cover upon the Earth changes drastically with the seasons. Artificial surfaces include any areas that have an artificial cover as a result of human activities such as construction (cities, towns, transportation), extraction (open mines and quarries) or waste … What’s the biggest forest in the world? Half of all habitable land is used for agriculture. Then, an object-based Random ... iran landcover kntu: MCD12Q1.006 MODIS Land Cover Type Yearly Global 500m: The MCD12Q1 V6 … To move air from one place to other it is must that one area is hot and one area is cold at same time. All you have to do to get a correct answer to this dispute is to look out the window on a flight from east to west coast of North America. km) Urban land area where elevation is below 5 meters (sq. Land covered by water, wetland and bareland accounted for a relatively low proportion of total land cover in most of the EU Member States in 2015. km) Download. I would agree that the percentage of 10% is untouched by humans/uninhabited is extremely low. The correct figure for the percentage of the earth’s land mass which is actually occupied by humans is .03%. Sea, Fertile Land, Desert, Hills and High mountains are essential part of nature’s echo system and nature’s cycle of seasons. It is interesting to note that of Earth's freshwater sources, about 69% is in icecaps and glaciers (NOAA). The Iran-wide land cover map was generated by processing Sentinel imagery within the Google Earth Engine Cloud platform. I say that because this would have to be a consideration in your “conclusion”. However, only 10% of land on Earth was considered ‘remote’ – more than 48 hours from a large city. All Countries and Economies. This question is an interesting one because, when my friend asked me the other day, I could tell her confidently that not only did science know the answer, science had multiple different ways to quantify that answer, but that I had absolutely no idea what it was. 71% of the earth's surface is covered with water; 29% is land. Rivers constitute the smallest volume of Earth's water--aside from biological water in Earth's occupants--with a volume of 509 cubic miles. Further, it is just silly to assume that if I as a human would use a steady route through an otherwise “untouched” area I would “impact” said area deeming it to be a part of your 90%, and in the same breath believe that the area would be magically immune from any other “impact” by any other life-form that would be living within it or any other occurrence that would affect it, such as a volcano or earthquake. (One hectare = 2.47 acres.) Land use Land use The Search For Unintelligent LifeWhy does the green movement hate GM? Another 30 percent of the planet's fresh water is located in the ground, within a half-mile of the Earth's surface. Still, you are right about our small impact. Question: How much of the land on Earth is covered by humans? Area of land: 148 326 000 km2 (57 268 900 square miles), this are 29% of the total surface of Planet Earth. Land Cloud Cover, which is also included, is determined by calculating the percentage of clouds over land-only pixels in a scene using a mask that discriminates land from water. CSV XML EXCEL. km) Urban land area (sq. Since oceans cover so significant an expanse of Earth's surface, it is not surprising that they play a significant role in global climate stability and in global climate change. If we do or don’t do it, someone will laugh, Your email address will not be published. In my research all of the data found on the land surface area was around 1.5 × 10 8 km 2 . These volumes are surprisingly close while saline oceanic water bears no comparison at all, with a volume of 321,000,000 cubic miles. Land covers 196.9 million square miles of the planet, which is broken up into 196 countries that are home to 7.125 billion people. I kept in my mind this. I’m not sure. Question 1 What percentage of Earth's land surface do glaciers currently cover? Online tool for visualization and analysis. Earthquakes can cause tsunamis which can kill hundreds of thousands of people, injuring countless others and destroy decades of human development in a matter of minutes. What are the 4 major biomes? Do the oceans cover 75 percent of the entire Earth? This site uses Akismet to reduce spam. Leaving 35% untouched and uninhabited by humans. At 3.79 million square miles (9.83 million km²) and with about 305 million people, the United States is the third or fourth largest country by total area, and third largest by land area and by population. Online tool for visualization and analysis. Area of Australia = 7,617.930 km^2 Area of the Earth = 510,072,000 km^2 7,617,930 / 510,072,000 = 0.014935 0.014935 x 100 = 1.4935 I don’t think the Manhattan fact is true. If it the US 50% less factor is assumed, then urbanization would cover approximately 0.85% of the world's land (1.1 million square kilometers). Top subjects are Science, Literature, and Social Sciences. If The Earth Stood Still What Would Hen Stopped Spinning . Your email address will not be published. This is down from the pre-industrial area of 5.9 billion hectares. Land cover Land cover refers to the physical surface of the earth, including various combinations of vegetation types, soils, exposed rocks and water bodies as well as anthropogenic elements, such as agriculture and built environments. Most of you wouldn’t know true science if it was sitting next to you. 70% of the Earth is covered with water so how are humans covering 90% of the Earth? 30 10 50 Ο Ο Ο 100 25 Question 2 Where are the two ice sheets located today? Other creatures and plants have a much greater effect on what happens. (Asked by Lynne). The third greatest source of water, after (1) oceans and seas and (2) icecaps and glaciers, is ground water, or aquifers. Besides, do you not realise that we humans are as much natural and a part of earth as anything else on it? Not the tasty chocolate-chip kind, but the kind that stores data about our users. 95% of the world's population is concentrated on just 10% of the world's land; but only 10% of the world's land area is classified as "remote" or more than 48 hours from a large city. Oceans and their influence on earth have a much greater impact – try to stop or create a hurricane, typhoon, cyclone, monsoon, etc. Are you a teacher? India, 2. I would agree that croplands count as disturbed, as do clear-cut forests It’s still a very small %. Only 10% of the world is truly wilderness. forests, grasslands, croplands, lakes, wetlands. Nasa How Hard Are We Pushing The Land. Because of the recent rapid growth, this means that whoever is alive today makes up 6.5 percent of this extremely high number. The amount of water located on Earth is enough to cover the entire land mass of the contiguous United States to a depth of 107 miles. This data is sourced from the UN Food and Agriculture Organization. Being 3500 square miles in size, it is roughly the size of the state of Connecticut. You people are so loony. vineyards and orchards ) are 3.1% (1.2% of global land area). As of 2020, the global population has risen to an astonishing 7.8 billion. Land covers 30% of the Earth, while the Oceans take up the remaining 70%. You can fly for a long time and hardly see a sign of human existance along many parts of the continent. Because of the oceans' importance, more and more studies are revealing more and more interactions and connections. Question 1 What percentage of Earth's land surface do glaciers currently cover? The thing is, landcover is something that is changing (and our technology to estimate it is improving) constantly, so even fairly recent estimates may already be out of date. WDI Tables. Did you actually write this? If the water above ground, saline and freshwater, on Earth is measured by volume, the total volume would cover about 1,064 miles in diameter and more than 335,000,000 cubic miles. The second is the more specific 71% of Earth is water while 29% is land. Land Cloud Cover, which is also included, is determined by calculating the percentage of clouds over land-only pixels in a scene using a mask that discriminates land from water. 40 billion people would also raise the CO2 emission greatly causing inccreased climate change, which is the cause of stronger hurricanes, animal and plant population decrease and poor air quality for everyone, shortening the life span of humans. So in that sense, 90% of the land on Earth is being regularly accessed and therefore impacted by humans. At 3.79 million square miles (9.83 million km²) and with about 305 million people, the United States is the third or fourth largest country by total area, and third largest by land area and by population. This suggests the lower end of the estimates made in 2000 were probably more accurate, and that we’ve still got a long way to go before we hit Seto and colleague’s projections! Seasonal snow cover can cover up to 33 percent of the Earth's land mass, but this is not a permanent feature and mainly occurs during winter in the Northern Hemisphere. Thematic data tables from WDI. In the year 2000, estimates suggest that globally, urban land covered somewhere between 700,000 and 3.5 million km2 – but that’s a pretty big margin of error. So on the one hand, you could say from these results that 10% of Earth is inhabited by humans. Snow and Ice Cover on Earth. DataBank. i would like to know total land area usable in which how much human worldwide cover the area and how much is balance to be utalize hope my query is clear. It is very telling that you would leave the reader with that as an actual conclusion, which essentially defeats any of the numbers you provided prior to your “glass-half-empty”conclusion. Urban land area where elevation is below 5 meters (% of total land area) Land area (sq. DataBank. The total land surface area of Earth is about 57,308,738 square miles, of which about 33% is desert and about 24% is mountainous. Burundi and Rwanda have the highest proportions of anthropogenic land cover at 85.99% and 82.27% respectively. What are the differences between a crater and a caldera? The percentages of earth's land surface can be divided into different types: 20% covered by snow land, 20% mountains, 20% dry land, 30% good land that can be farmed, 10% land doesn't have topsoil. https://www.scienceworldreport.com/articles/12366/2014012... https://www.usgs.gov/special-topic/water-science-school/s... What human activities can increase the rate of weathering? Dynamic land cover maps include transitions of land cover classes over time and hence captures land cover changes. I would venture to say world wide when you look at Canada, South America, China/Russia, Australia, etc- the percentage is probably closer to 60+% uninhabited by humans. Livestock takes up nearly 80% of global agricultural land, yet produces less than 20% of the world’s supply of calories (as shown in the visualization). CSV XML EXCEL. We simply do NOT know the answers to even apparently “simple” questions that “can” (might) be answered by “science.”. This can include clearing the … The Earth is a watery place. Now when I needed this information I started searching and encountered this article. Populated by humans land ( US Geological Society ) what happens that 12.6 % of the found... Utah, Idaho etc entire planet 11.61 % of the state of Connecticut land cover can be observed on ground... Laugh, your email address will not be published populated by humans is.03 % SHARE data that. Area is relatively intact, and Social Sciences contain roads, train,. Landcover product is the world ( on average ) used 11.61 % of global land area the 'mother Earth '! Studies are revealing more and more than one-third is primary forest ( i.e with land areas forming very. 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