Melting Ice Of The modern Arctic Is Replicated By The 100-Year-Old Physics Model

The Arctic is melting faster than we thought. In fact, the extent of the ice is at a record of low level. When that happens, the system looks the same way. The mathematician Ken Golden of the University of Utah and the atmospheric scientist cut out strong student patterns formed by pools of melted water on ice. The ponds are dark, while the ice is bright, which means that the larger the ponds, the darker the surface and the more absorbent solar energy.

So, it is easier to know how the reflectivity of ice, also called albedo, is changing. This is a key component to understanding the balance between solar energy and energy reflected from the Arctic. Previous work demonstrates that the presence or absence of melting ponds in global climate models has a dramatic effect on the long-term predictions of sea ice in the Arctic.

For the growth of fusion ponds, Golden, Strong and their colleagues modified a nearly 100-year-old physics model, the so-called Ising model that explains how a material can gain or lose magnetism. Yes, a magnetic field applied. In his model, he replaced the property of the magnetic spin of an atom (up or down) with the property of frozen (white) or melted (blue) sea ice.

"The model captures the essential pattern-forming mechanism of the Arctic melting ponds," the stakeholders write, and reproduce the important features of the variation in pond size and geometry. This work is the first to explain the basic physics of fusion ponds and to produce realistic patterns that accurately demonstrate how to distribute fusion water over the surface of sea ice. The geometry of the melted water patterns determines both the brittleness of the ice and the amount of light that penetrates the ice, and that are found in the ecology of the upper ocean.

Unfortunately, a model like this cannot prevent the ice from melting. However, we can help you get better results with the rapidity with which permanent ice and ice disappear, and the best climate models.

According to the National Snow and Ice Data Center (nsidc.org), ice currently covers 6 million square miles, or a part of the Earth's area on Earth, around the area of South America. The floating ice, sea ice, also called Ice at the north and south poles, covers 6% of the ocean surface (nsidc.org), an area similar to North America. The most important measure of ice is its thickness. The United States geological survey estimates that total ice on Earth weighs 28 million gigatons. Antarctica and Greenland combined account for 99% of all ice on Earth. The remaining one percent is in glaciers, ice sheets and sea ice. Antarctica can exceed 3 miles thick and Greenland a mile. If they melted, the sea level rose to more than 200 feet, but not even the most radical alarmists that that possibility arises due to the use of fossil fuels. However, the ice that flows from Antarctica and Greenland, the so-called platform ice, accounts for only half of the Earth's ice and, if melted, it raises sea level by only 14 inches (nsidc.com).

Although sea ice covers 6% of the oceans by an average of 6 feet, everything is reduced, sea level would increase by only 4 inches. If we found all 200,000 of the glaciers in the temperate zone of the Earth, the sea level would rise another two feet. So, the total catastrophe can only appear and shoot down Antarctica and Greenland. But Antarctica is the coldest place on Earth.

By: Preeti Narula

Content: https://www.sciencedaily.com/releases/2019/06/190617084844.htm