Oceans and the rising of sea levels
Transcript of Oceans and the rising of sea levels
- What is the meaning of sea level - What is the meaning of sea level rising?rising?
sea level is a measure of the average height of the ocean's surface, so sea level rising means the increasing of the water
average in oceans and seas surfaces.
Since the mid-19th century, sea level has been rising.
Today's warning comes from US researchers at Rutgers University.
The analysis showed that during the past 5,000 years, sea levels rose at a rate of around 1mm each year . But in the past 150 years, sea levelsare rising at 2mm a year.
The rising tide is expected to make oceans 40cm higher by 2100.
Causes of sea level risingCauses of sea level rising
Natural effectsNatural effects Human activitiesHuman activities
The normal meltingThe normal melting of ice sheetsof ice sheets
Burning of fossil fuelsBurning of fossil fuels
and producing CO2and producing CO2 The developingThe developing
of industryof industry
Global warmingGlobal warming
How the global warming effectsHow the global warming effects on the rising of sea levels?on the rising of sea levels?
Causing a rise in theCausing a rise in the earth temperatureearth temperature
Makes the big icy Makes the big icy mountains melt fastmountains melt fast
Then sea levels willThen sea levels willrise quickly when rise quickly when the ice melt fastthe ice melt fast
Disasters and damages of sea Disasters and damages of sea levels risinglevels rising
•The range & the number of floods Increase.
•Loosing of habitats such as coral reefs that provide food for many animals so many animals will die.
•Overwhelm the costal zones under the water so many people will die .
Floods in Bangladesh, Floods in Bangladesh, AsiaAsia
• Bangladesh is a hot country. It’s also very wet. For nine months of the year it can rain very heavily and its great rivers flood every year, watering the fields and covering them with fertile mud.
• But today, the floods are more violent and harder to predict. They’re especially dangerous for Bangladeshis who live in the rivers on sandy islands called chars. Floods wash away their homes and sometimes the islands themselves vanish under water.
Typhoons in Philippines, Typhoons in Philippines, AsiaAsia
•The Philippines are a group of islands in the Pacific Ocean. They have high mountains and great natural beauty.
• But they also have some of the worst typhoons in the world. Today, they get about 21 typhoons a year and scientists think that global warming could be making these storms worse.
The effects of sea level rising?The effects of sea level rising?
To myself
In future, if I don’t try to find a solve to this problem with other I will put myself in the danger of floods, typhoons and displacement
To the UAE
Most of the UAE cities are sitting on the Arabian Gulf coast so these cities will sank when the sea level rise.
To the world
When sea levels rise more floods and typhoons will cause so the privation will spread around the world wide.
•Everyone will affected negatively in some way by the sea levels rising.
What can we do?What can we do?•We probably can’t stop sea
levels rising altogether, but we can learn how to live with it and slow it down.
• The rising sea levels are due to global warming. Reducing the global temperature is apparently the only practical solution.
•We can’t stop using fuel, but we can reduce using it.
• If we work together we will rid of the problem.
• http://www.climate.org/topics/sea-level/index.html
• http://www.earth-policy.org/indicators/C50
• http://www.eea.europa.eu/themes/climate/faq/how-do-human-activities-contribute-to-climate-change-and-how-do-they-compare-with-natural-influences
• http://en.wikipedia.org/wiki/Current_sea_level_rise
• http://en.wikipedia.org/wiki/Floods_in_Bangladesh
• http://en.wikipedia.org/wiki/Typhoons_in_the_Philippines
• http://www.gcrio.org/ipcc/qa/04.html
• http://www.guardian.co.uk/science/2005/nov/25/frontpagenews.research
• http://news.bbc.co.uk/2/hi/south_asia/157254.stm
• http://planetearth.nerc.ac.uk/news/story.aspx?id=551
• http://www.pnas.org/content/99/10/6524.full
• http://www.springerlink.com/content/p364381652174757
• http://think-environment.blogspot.com/
• http://wiki.answers.com/Q/How_can_you_stop_rising_sea_levels
My sources:My sources: