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Learn about the impact of the rising temperature on the polar areas. You will also learn about how coastal erosion affects ...
the lives of many living near the sea.
Tags:The Impact of Climate Change Part 1/3,climate change,coastal erosion,extreme temperature,impact polar area climate change,rising temperature,sea level rising,worldwide media
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The Impact of Climate Change Part 1/3
Across the world, extreme weather events are reflecting the local conditions in a variety of different ways. Some areas are getting drier and hotter while others are getting wetter with floods becoming more frequent and more extreme. Deserts are expanding and ones fertile lands now lacking vegetation are being blown away creating new problems that cross national boarders.
Formal weather records go back 150 years that climate scientists have an accurate picture of the planets of varying climate stretching back millions of years. Ancient ice cause and certain geological structures contain reliable records of the earths past atmospheric composition and temperature. While these records indicate widely varying climates, conditions have never changed as rapidly as they’re changing now.
Today, these changes are most noticeable at the poles once stabilized shelves breaking up and drifting away. Some estimates say that sea ice in the northern polar region will have completely disappeared within a decade. These iceberg was part of group seems floating and shipping lanes in the New Zealand. Icebergs had never been seen in these waters before and with the biggest almost two kilometers in length the group of icebergs were creating a significant new problem the shipping in the area.
The Polar Regions have been experiencing above average temperatures through decades. The Antarctic Peninsula is warmed at five times the global average and the last in the ice shelf disintegrated between March 1998 and March 1999. Antarctica holds 70% of the world’s fresh water. But Apnet glaciers like the Pine Island Glacier have been reseeding by around kilometer per year. 244 glaciers on the peninsula have retreated by around 600 meters since 1953.
Lonnie Dupre and Eric Larsen have seen the ice caps surrounding the north of pole at close range. And the thinning ice put their attempt to cross the ice cap during summer in great danger. Conditions met the dogs and sleds could not be used for the experienced polar explorers drag canoes instead. The pairs set off from Canada in May 2005 attempting to cross the Arctic Circle to see just how much of the polar ice cap was melting. The journey was far more perilous that the explorers had envisioned and after 23 days, they had to call in a helicopter to rescue them. The ice is breaking up earlier in the season and refreezing later.
In Greenland, the vast ice sheet is melting. The extra amounts of liquid water are having an affect on the glaciers acting as a lubricant. Some large glaciers here have been recorded moving as much as 10 meters in a minute. Such movements are not smooth and the jolts are registering as seismic activity. Computer projections say that by the end of this century arctic temperatures will be 4 Degrees Celsius warmer than they are today. Its substantial parts of Greenland remaining above freezing for many months of the year, this will mean global sea levels one meter higher than they are at present, though changes happening in the far north and far south of our planet will have worldwide consequences. But it’s not just polar glaciers that are diminishing.
In Argentina the Perito Moreno glacier has been attracting tourist as it collapse in mid winter. It was the first winter rapture the glacier since 1917. Theoretically, a glacier forms and 405 across Lake Argentina 406 water levels to rise by as much as 30 meters before the iceberg dramatically collapses. It is one of only three of the 200 glaciers in Patagonia but it’s not in retreat. After Antarctica, a Patagonian ice field is the biggest continental ice extension in the world and like other areas that ice surrounds the planet it is showing serious signs of deterioration.
Glaciers also occur in tropical regions but only in the highest mountains. In Venezuela Mount Bolivar is the country’s highest. It has snow all year around and it also has three glaciers but these are seriously stressed. Venezuela has other glaciers from Humbodlt and Bonpland but they are also diminishing. The tropical glaciers across the entire and Andes mountain range are melting and that threatens the regions fresh water reserves. The glacier on Peru’s 505 is melting at a rate of 60 meters a year. Across the Chili Andes the melting is happening at an every rate of 1 meter every year. Beyond 2020 water supplies put major cities like La Paz, Lima, and Quito are in doubt.
Other places are starting to show signs of changing ocean levels. The Brazilian town of Atafona is being swallowed by ocean as rising sea levels and changes the currents and the wind patterns are eroding the ones stable coastline. So far, 183 buildings have been destroyed in the marine lighthouse has been moved twice in the past 30 years. Researchers from the Federal Fluminense University created the Atafona project in 2003 to study the courses of accelerated of coastal erosion in the region. The prevailing winds have become stronger driving the more powerful way for the changing the shape of the coast.
The northeasterly wind to blow strongly and the nearby Prueba De Sol River, flows at a reduced rate. The river used deposit sand at the coast which would provide them buffer zone but with the declining flow the sand no longer reaches Atafona. The local fishing community has had to abandon homes and rebuild further in land. Climate change is being blamed but the causes of a mix global and the local factors. The ones powerful river has almost 9,000 factories along its course all taking water. This small island at the mouth of the river used to house 30 families and today only 8 homes remain. 79-year-old 700 the islands oldest resident has been forced to move six times because of erosion.
Despite the signs that erosion in the region may be cyclical, researchers are investigating what may happen in the future as temperatures and sea levels continue to rise? Atafona’s destiny is uncertain but the prospects for Pedro and her neighbors oblique. Atafona is not the only place suffering. Across the world, India sudden coral state has been experiencing extreme coastal erosion during the monsoon season. Schools and houses belonging to fisherman living along the beach are destroyed each year due to the erosion most will not be rebuilt. Many families unable to rebuild continued to live in damaged houses.
Haryana witnesses rough seas and heavy rain fall during the monsoon season between June and August every year. Residence play ineffective and unscientifically built-in bank bone so long the coast as the main cause of the erosion, and they’ve now started putting bags full of cement neither houses to block the ways and prevent further erosion. There’s a little doubt that the sea will could be stronger but coastal erosion is a problem being faced around the world, a problem that is intensified over the past few decades.
A sea level rise of just 1 centimeter is not sound like much but these small amount means that storm surges will penetrate much further in land strengthening buildings at ones lay far beyond to the high water mark. No one knows what the projected when they to rise that the end of the century remain.