Global warming is believed to be raising the temperature of the earth. At
the same time, the polar icecaps and glaciers are beginning to melt. This
together with the fact that water expands when it is warmed could produce
drastic increase in sea levels. What would be the results if the sea level
surrounding Pakistan rises?
Answers
Answer:
A warming climate holds important implications for other aspects of the global environment. Because of the slow process of heat diffusion in water, the world’s oceans are likely to continue to warm for several centuries in response to increases in greenhouse concentrations that have taken place so far. The combination of seawater’s thermal expansion associated with this warming and the melting of mountain glaciers is predicted to lead to an increase in global sea level of 0.45–0.82 metre (1.4–2.7 feet) by 2100 under the RCP 8.5 emissions scenario. However, the actual rise in sea level could be considerably greater than this. It is probable that the continued warming of Greenland will cause its ice sheet to melt at accelerated rates.
Answer:
If the water level rises it will cause the land of Pakistan to get submerged under water. Sea level rise is primarily brought on by two aspects of global warming. the added water that comes from glaciers and ice sheets melting and the seawater expanding as it warms. The first graph shows how satellite observations of global sea level have changed since 1993.
The measurements of relative sea level trends and global sea level trends are distinct. The ocean's surface is not flat like the Earth's; in other words, the ocean's surface is not changing at the same rate everywhere. Due to numerous local factors, sea level rise at specific locations may be greater or less than the global average, subsidence, upstream flood control, erosion, variations in land height, regional ocean currents, and whether the land is still rebounding from the compressive weight of Ice Age glaciers are all factors to consider.
Tide stations and satellite laser altimeters are the primary instruments used to measure sea level. The height of the water as measured along the coast in relation to a specific point on land is what we can learn about at a local level from tide stations located all over the world. The average height of the entire ocean can be determined using satellite measurements. These tools show how sea levels in our oceans are changing over time when taken together.
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