Well isn’t this a thought-provoking question? When people say they don’t like hypotheticals, it formally welcomes them to think differently. There can be many possibilities of occurrences when we think of switching lands area with oceans or vice-versa. Statistically, the Earth’s surface is composed of roughly 71% water and 29% land, where the oceans hold almost 97% of all the water resources on the planet. If this ratio is reserved, the Earth would have been drastically different, with a solid landmass making up most of Earth’s surface.

Also, for this hypothetical discussion, we dare assume that everything would be opposite, pointing out that high land masses would be turned into deep trenches. The differences would be innumerable, with the Earth supporting a totally different form of life if life was even possible! With this strange premise firmly in our minds, let’s see what living on such a planet would entail.

In this episode, we are going to discuss what if the land areas and ocean areas were switched?

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Firstly, Let’s discuss Environmental Aspects

From an environmental point, we’ll have the same problems. Considering the same consumption habits and a consumption-based economy driven by fossil fuels (assuming they are available and accessible), we’ll still have to deal with the consequences of climate change – reduced green cover, erratic weather events, rising temperatures among many. Some of the greenhouse effects may be counteracted when revealed that significantly smaller share of Earth’s surface area is covered by ocean water, to absorb light and trap heat. On the basis of scientific understanding, there will be less heat absorption from the Sun since about 2/3 rds of this hypothetical Earth is covered by land. Curiously, Antarctica and the Arctic Circle are left in its present condition. So I surmise despite everything we need them to reflect off the light and fill in as a defensive spread for the planet from the Sun. However, I dread the misuse that will happen since these regions are accessible by land. Moreover, weather differences are to be witnessed as we do nowadays. 

Now let’s take a look at Geographical Aspects

Geographically, there would be large chunks of land harder to reach by sea. The Pacific and Atlantic continents could not be reached without flying. The longest flight will be across the Eurasian “ocean” from the Atlantic “continent” bordering the “Spain sea” to the South China “region”. One cannot comment on the weather differences between regions and continents. But they will exist as they do now in the real Earth. History suggests societies and communities located next to the sea are ones that are most receptive to new ideas, cultures, and influences. There will be few such communities. In contrast, there will be more inward-looking albeit autonomous societies due to the large stretches of land. Societies like such will have less trade and external contact with each other. This would especially be true in the Pacific “continent”.

Other consequence is, Earth’s Temperature Would Increase

The oceans assume a vital job in diminishing Earth’s temperature. A large amount of water evaporates from oceans, in this way forestalling an extraordinary ascent in Earth’s temperature every day. On the off chance that the vast majority of the surface was land, in any case, at that point the land would be very hot, transforming a large portion of it into deserts, while the ice caps would develop littler, flooding all the close-by land. Oceans moderate temperature, since water has a high explicit warmth limit, which implies that it assimilates more warmth without a noteworthy ascent in temperature, in contrast to the land. Without such enormous water supplies, the temperature ascent of Earth would be a long way from continuous.

The Climate Would Be Very Erratic

The continuous cycle of evaporation and condensation of Oceans helps to properly distribute heat around the Earth. The water from oceans and other water bodies evaporate into the air and also transpires from land plants and animals into the air. The water cycle would be disturbed if the oceans were converted into land, also the amount of precipitation on land areas would reduce significantly. Resultantly, droughts will occur and high variance of land climate. Land areas closer to the oceans would be moderately habitable, whereas the land in the middle, father away from the oceans, would be a very hot desert. The high altitude regions would gradually convert into rain forests, likewise, the high distance from oceans would prompt every day changes of atmosphere in continental regions. The currents would lose effectiveness with the lowered capacity of oceans, causing the gradient of temperature across the landmasses to be spectacularly high.

There are also Effects on Life

Life would have gone onto land a lot prior as far as the evolutionary cycle on the grounds that there would be less sea-land to go about as a habitat. More organisms would move towards the land, since oceans wouldn’t have the option to satisfy their vital needs. The size of creatures would likewise be generally smaller so as to cope with water scarcity, while carnivores would be rich, because of the decrease of trees and plants on the land. The anatomy of humans would be altogether different, regardless of whether they had the option to survive the high temperatures. Humans would presumably not rely upon water as much as we improve methods for headway on land, for example, increasingly agile limbs or even wings! Since the day and night temperatures would change greatly, none of the more complex animals, for example, birds and mammals, would have the option to survive. A cold-blooded populace would rule the Earth.

If it happen, Survival Would Be Difficult

The length of a day would change somewhat, because of the expansion in mass, in particular since dirt is heavier than water. In any case, this slight change may cause ripple effects in the kinds of species and the general ecosystem. Seas are a significant source of thermal and electrical vitality, and with their dramatic decrease in size, vitality requests could never again be met. Likewise, since the waterways would think that its harder to dump their water into seas, fresh water would be rare. Seas go about as settling substances that control the development of landmasses. With their absence, landmasses would end up unstable, and would be wracked with increasingly volcanic eruptions, earthquakes, and tectonic movements.

Well, it wasn’t that bad a ride through random thought suggesting the switch of land with oceans. 

So this is a random thought that we thought, tell us in the comments about other consequences of this switch.