The finding, which will likely boost estimates of expected
global sea level rise in the future, appears in the March 16 issue of the journal Nature Climate Change.
Not exact matches
«The
future rise in global mean
sea level probably won't be gradual.
The study's findings suggest that
future sea level rise resulting from
global warming will also have these hot spot periods superimposed on top of steadily
rising seas, said study co-author Andrea Dutton, assistant professor
in UF's department of geological sciences
in the College of Liberal Arts and Sciences.
Co-author Professor Eelco Rohling, from the Australian National University and formerly of the University of Southampton, adds: «By developing a novel method that realistically approximates
future sea level rise, we have been able to add new insight to the debate and show that there is substantial evidence for a significant recent acceleration
in the
sea level rise on a
global and regional
level.
The impact of these events on historical societal development emphasizes the potential economic and social consequences of a
future rise in sea levels due to
global climate change, the researchers write
in the study recently published
in the journal Scientific Reports.
This suggests that Greenland's contribution to
global sea level rise may be even higher
in the
future,» said Bevis, who is also the Ohio Eminent Scholar
in Geodynamics and professor of earth sciences at Ohio State.
The key issue
in predicting
future rates of
global sea level rise is to understand and predict how ice sheets
in Greenland and Antarctica will react to a warming climate.
The ice that is of most concern is the West Antarctic Ice Sheet, which is undergoing unprecedented changes, and is likely the biggest potential player
in future global sea level rise.
Exactly how much the average
global sea level will
rise in the
future will depend on our greenhouse gas emissions.
For a
future of continued growth
in emissions the new results indicate a likely
global average
sea -
level rise between 1.1 and 2.1 meters (3.6 to 6.9 feet)-- roughly double the IPCC - consistent estimate.
Many recent studies (e.g. Hansen & Sato) have claimed that
future rise in global average temperature (GAT) will create a much greater effect on
sea level than IPCC AR4 predicts.
pg xiii This Policymakers Summary aims to bring out those elements of the main report which have the greatest relevance to policy formulation,
in answering the following questions • What factors determine
global climate 7 • What are the greenhouse gases, and how and why are they increasing 9 • Which gases are the most important 9 • How much do we expect the climate to change 9 • How much confidence do we have
in our predictions 9 • Will the climate of the
future be very different 9 • Have human activities already begun to change
global climate 9 How much will
sea level rise 9 • What will be the effects on ecosystems 9 • What should be done to reduce uncertainties, and how long will this take 9 This report is intended to respond to the practical needs of the policymaker.
Oregon's coast will face more flooding and erosion hazards
in the
future from
global sea level rise and extreme weather, including storm surge.
There will be no extensive or disastrous
global sea -
level rise in the near
future.
In our research group the «semi-empirical method» was developed to estimate
future sea level rise following from a specified
global warming scenario.
In which case, a story reporting James Hansen's claim that global warming will «result in a rise in sea level measured in metres within a century» will be put in the AGW dominant / exclusive categories, while a story along the lines of «global warming unlikely to cause significant problems to New York City in the near future» will find itself in one of the sceptic categories — even though the latter is closer than the former to the IPCC positio
In which case, a story reporting James Hansen's claim that
global warming will «result
in a rise in sea level measured in metres within a century» will be put in the AGW dominant / exclusive categories, while a story along the lines of «global warming unlikely to cause significant problems to New York City in the near future» will find itself in one of the sceptic categories — even though the latter is closer than the former to the IPCC positio
in a
rise in sea level measured in metres within a century» will be put in the AGW dominant / exclusive categories, while a story along the lines of «global warming unlikely to cause significant problems to New York City in the near future» will find itself in one of the sceptic categories — even though the latter is closer than the former to the IPCC positio
in sea level measured
in metres within a century» will be put in the AGW dominant / exclusive categories, while a story along the lines of «global warming unlikely to cause significant problems to New York City in the near future» will find itself in one of the sceptic categories — even though the latter is closer than the former to the IPCC positio
in metres within a century» will be put
in the AGW dominant / exclusive categories, while a story along the lines of «global warming unlikely to cause significant problems to New York City in the near future» will find itself in one of the sceptic categories — even though the latter is closer than the former to the IPCC positio
in the AGW dominant / exclusive categories, while a story along the lines of «
global warming unlikely to cause significant problems to New York City
in the near future» will find itself in one of the sceptic categories — even though the latter is closer than the former to the IPCC positio
in the near
future» will find itself
in one of the sceptic categories — even though the latter is closer than the former to the IPCC positio
in one of the sceptic categories — even though the latter is closer than the former to the IPCC position.
The original analysis of U.S. and state by state carbon dioxide 2010 emissions relative to
global emissions quantifies the relative numbers and the potential «savings»
in future global temperature and
global sea level rise from a complete cessation of all CO2 emissions
in the RGGI region as well as the proposed 30 % reduction.
«Our results from this study imply that if
future anthropogenic warming effects
in the Indo - Pacific warm pool dominate natural variability, mid-ocean islands such as the Mascarenhas Archipelago, coasts of Indonesia, Sumatra, and the north Indian Ocean may experience significantly more
sea level rise than the
global average,» Han said.
A (2) Modern warming, glacier and
sea ice recession,
sea level rise, drought and hurricane intensities... are all occurring at unprecedentedly high and rapid rates, and the effects are globally synchronous (not just regional)... and thus dangerous consequences to the
global biosphere and human civilizations loom
in the near
future as a consequence of anthropogenic influences.
As shown
in the WRE paper (Nature v. 379, pp. 240 - 243), the differentials at the
global - mean
level are so small, at most a few tenths of a degree Celsius and a few cm
in sea level rise and declining to minuscule amounts as the pathways approach the SAME target, that it is unlikely that an analysis of
future climate data could even distinguish between the pathways.
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In 2005 Now Likely» (05/05/04) «World Food Prices
Rising: Decades of Environmental Neglect Shrinking Harvests
in Key Countries» (04/28/04) «Saudis Have U.S. Over a Barrel: Shifting Terms of Trade Between Grain and Oil» (4/14/04) «Europe Leading World Into Age of Wind Energy» (4/8/04) «China's Shrinking Grain Harvest: How Its Growing Grain Imports Will Affect World Food Prices» (3/10/04) «U.S. Leading World Away From Cigarettes» (2/18/04) «Troubling New Flows of Environmental Refugees» (1/28/04) «Wakeup Call on the Food Front» (12/16/03) «Coal: U.S. Promotes While Canada and Europe Move Beyond» (12/3/03) «World Facing Fourth Consecutive Grain Harvest Shortfall» (9/17/03) «Record Temperatures Shrinking World Grain Harvest» (8/27/03) «China Losing War with Advancing Deserts» (8/4/03) «Wind Power Set to Become World's Leading Energy Source» (6/25/03) «World Creating Food Bubble Economy Based on Unsustainable Use of Water» (3/13/03) «Global Temperature Near Record for 2002: Takes Toll in Deadly Heat Waves, Withered Harvests, & Melting Ice» (12/11/02) «Rising Temperatures & Falling Water Tables Raising Food Prices» (8/21/02) «Water Deficits Growing in Many Countries» (8/6/02) «World Turning to Bicycle for Mobility and Exercise» (7/17/02) «New York: Garbage Capital of the World» (4/17/02) «Earth's Ice Melting Faster Than Projected» (3/12/02) «World's Rangelands Deteriorating Under Mounting Pressure» (2/5/02) «World Wind Generating Capacity Jumps 31 Percent in 2001» (1/8/02) «This Year May be Second Warmest on Record» (12/18/01) «World Grain Harvest Falling Short by 54 Million Tons: Water Shortages Contributing to Shortfall» (11/21/01) «Rising Sea Level Forcing Evacuation of Island Country» (11/15/01) «Worsening Water Shortages Threaten China's Food Security» (10/4/01) «Wind Power: The Missing Link in the Bush Energy Plan» (5/31/01) «Dust Bowl Threatening China's Future» (5/23/01) «Paving the Planet: Cars and Crops Competing for Land» (2/14/01) «Obesity Epidemic Threatens Health in Exercise - Deprived Societies» (12/19/00) «HIV Epidemic Restructuring Africa's Population» (10/31/00) «Fish Farming May Overtake Cattle Ranching As a Food Source» (10/3/00) «OPEC Has World Over a Barrel Again» (9/8/00) «Climate Change Has World Skating on Thin Ice» (8/29/00) «The Rise and Fall of the Global Climate Coalition» (7/25/00) «HIV Epidemic Undermining sub-Saharan Africa» (7/18/00) «Population Growth and Hydrological Poverty» (6/21/00) «U.S. Farmers Double Cropping Corn And Wind Energy» (6/7/00) «World Kicking the Cigarette Habit» (5/10/00) «Falling Water Tables in China» (5/2/00) Top of pa
in Key Countries» (04/28/04) «Saudis Have U.S. Over a Barrel: Shifting Terms of Trade Between Grain and Oil» (4/14/04) «Europe Leading World Into Age of Wind Energy» (4/8/04) «China's Shrinking Grain Harvest: How Its Growing Grain Imports Will Affect World Food Prices» (3/10/04) «U.S. Leading World Away From Cigarettes» (2/18/04) «Troubling New Flows of Environmental Refugees» (1/28/04) «Wakeup Call on the Food Front» (12/16/03) «Coal: U.S. Promotes While Canada and Europe Move Beyond» (12/3/03) «World Facing Fourth Consecutive Grain Harvest Shortfall» (9/17/03) «Record Temperatures Shrinking World Grain Harvest» (8/27/03) «China Losing War with Advancing Deserts» (8/4/03) «Wind Power Set to Become World's Leading Energy Source» (6/25/03) «World Creating Food Bubble Economy Based on Unsustainable Use of Water» (3/13/03) «
Global Temperature Near Record for 2002: Takes Toll
in Deadly Heat Waves, Withered Harvests, & Melting Ice» (12/11/02) «Rising Temperatures & Falling Water Tables Raising Food Prices» (8/21/02) «Water Deficits Growing in Many Countries» (8/6/02) «World Turning to Bicycle for Mobility and Exercise» (7/17/02) «New York: Garbage Capital of the World» (4/17/02) «Earth's Ice Melting Faster Than Projected» (3/12/02) «World's Rangelands Deteriorating Under Mounting Pressure» (2/5/02) «World Wind Generating Capacity Jumps 31 Percent in 2001» (1/8/02) «This Year May be Second Warmest on Record» (12/18/01) «World Grain Harvest Falling Short by 54 Million Tons: Water Shortages Contributing to Shortfall» (11/21/01) «Rising Sea Level Forcing Evacuation of Island Country» (11/15/01) «Worsening Water Shortages Threaten China's Food Security» (10/4/01) «Wind Power: The Missing Link in the Bush Energy Plan» (5/31/01) «Dust Bowl Threatening China's Future» (5/23/01) «Paving the Planet: Cars and Crops Competing for Land» (2/14/01) «Obesity Epidemic Threatens Health in Exercise - Deprived Societies» (12/19/00) «HIV Epidemic Restructuring Africa's Population» (10/31/00) «Fish Farming May Overtake Cattle Ranching As a Food Source» (10/3/00) «OPEC Has World Over a Barrel Again» (9/8/00) «Climate Change Has World Skating on Thin Ice» (8/29/00) «The Rise and Fall of the Global Climate Coalition» (7/25/00) «HIV Epidemic Undermining sub-Saharan Africa» (7/18/00) «Population Growth and Hydrological Poverty» (6/21/00) «U.S. Farmers Double Cropping Corn And Wind Energy» (6/7/00) «World Kicking the Cigarette Habit» (5/10/00) «Falling Water Tables in China» (5/2/00) Top of pa
in Deadly Heat Waves, Withered Harvests, & Melting Ice» (12/11/02) «
Rising Temperatures & Falling Water Tables Raising Food Prices» (8/21/02) «Water Deficits Growing
in Many Countries» (8/6/02) «World Turning to Bicycle for Mobility and Exercise» (7/17/02) «New York: Garbage Capital of the World» (4/17/02) «Earth's Ice Melting Faster Than Projected» (3/12/02) «World's Rangelands Deteriorating Under Mounting Pressure» (2/5/02) «World Wind Generating Capacity Jumps 31 Percent in 2001» (1/8/02) «This Year May be Second Warmest on Record» (12/18/01) «World Grain Harvest Falling Short by 54 Million Tons: Water Shortages Contributing to Shortfall» (11/21/01) «Rising Sea Level Forcing Evacuation of Island Country» (11/15/01) «Worsening Water Shortages Threaten China's Food Security» (10/4/01) «Wind Power: The Missing Link in the Bush Energy Plan» (5/31/01) «Dust Bowl Threatening China's Future» (5/23/01) «Paving the Planet: Cars and Crops Competing for Land» (2/14/01) «Obesity Epidemic Threatens Health in Exercise - Deprived Societies» (12/19/00) «HIV Epidemic Restructuring Africa's Population» (10/31/00) «Fish Farming May Overtake Cattle Ranching As a Food Source» (10/3/00) «OPEC Has World Over a Barrel Again» (9/8/00) «Climate Change Has World Skating on Thin Ice» (8/29/00) «The Rise and Fall of the Global Climate Coalition» (7/25/00) «HIV Epidemic Undermining sub-Saharan Africa» (7/18/00) «Population Growth and Hydrological Poverty» (6/21/00) «U.S. Farmers Double Cropping Corn And Wind Energy» (6/7/00) «World Kicking the Cigarette Habit» (5/10/00) «Falling Water Tables in China» (5/2/00) Top of pa
in Many Countries» (8/6/02) «World Turning to Bicycle for Mobility and Exercise» (7/17/02) «New York: Garbage Capital of the World» (4/17/02) «Earth's Ice Melting Faster Than Projected» (3/12/02) «World's Rangelands Deteriorating Under Mounting Pressure» (2/5/02) «World Wind Generating Capacity Jumps 31 Percent
in 2001» (1/8/02) «This Year May be Second Warmest on Record» (12/18/01) «World Grain Harvest Falling Short by 54 Million Tons: Water Shortages Contributing to Shortfall» (11/21/01) «Rising Sea Level Forcing Evacuation of Island Country» (11/15/01) «Worsening Water Shortages Threaten China's Food Security» (10/4/01) «Wind Power: The Missing Link in the Bush Energy Plan» (5/31/01) «Dust Bowl Threatening China's Future» (5/23/01) «Paving the Planet: Cars and Crops Competing for Land» (2/14/01) «Obesity Epidemic Threatens Health in Exercise - Deprived Societies» (12/19/00) «HIV Epidemic Restructuring Africa's Population» (10/31/00) «Fish Farming May Overtake Cattle Ranching As a Food Source» (10/3/00) «OPEC Has World Over a Barrel Again» (9/8/00) «Climate Change Has World Skating on Thin Ice» (8/29/00) «The Rise and Fall of the Global Climate Coalition» (7/25/00) «HIV Epidemic Undermining sub-Saharan Africa» (7/18/00) «Population Growth and Hydrological Poverty» (6/21/00) «U.S. Farmers Double Cropping Corn And Wind Energy» (6/7/00) «World Kicking the Cigarette Habit» (5/10/00) «Falling Water Tables in China» (5/2/00) Top of pa
in 2001» (1/8/02) «This Year May be Second Warmest on Record» (12/18/01) «World Grain Harvest Falling Short by 54 Million Tons: Water Shortages Contributing to Shortfall» (11/21/01) «
Rising Sea Level Forcing Evacuation of Island Country» (11/15/01) «Worsening Water Shortages Threaten China's Food Security» (10/4/01) «Wind Power: The Missing Link
in the Bush Energy Plan» (5/31/01) «Dust Bowl Threatening China's Future» (5/23/01) «Paving the Planet: Cars and Crops Competing for Land» (2/14/01) «Obesity Epidemic Threatens Health in Exercise - Deprived Societies» (12/19/00) «HIV Epidemic Restructuring Africa's Population» (10/31/00) «Fish Farming May Overtake Cattle Ranching As a Food Source» (10/3/00) «OPEC Has World Over a Barrel Again» (9/8/00) «Climate Change Has World Skating on Thin Ice» (8/29/00) «The Rise and Fall of the Global Climate Coalition» (7/25/00) «HIV Epidemic Undermining sub-Saharan Africa» (7/18/00) «Population Growth and Hydrological Poverty» (6/21/00) «U.S. Farmers Double Cropping Corn And Wind Energy» (6/7/00) «World Kicking the Cigarette Habit» (5/10/00) «Falling Water Tables in China» (5/2/00) Top of pa
in the Bush Energy Plan» (5/31/01) «Dust Bowl Threatening China's
Future» (5/23/01) «Paving the Planet: Cars and Crops Competing for Land» (2/14/01) «Obesity Epidemic Threatens Health
in Exercise - Deprived Societies» (12/19/00) «HIV Epidemic Restructuring Africa's Population» (10/31/00) «Fish Farming May Overtake Cattle Ranching As a Food Source» (10/3/00) «OPEC Has World Over a Barrel Again» (9/8/00) «Climate Change Has World Skating on Thin Ice» (8/29/00) «The Rise and Fall of the Global Climate Coalition» (7/25/00) «HIV Epidemic Undermining sub-Saharan Africa» (7/18/00) «Population Growth and Hydrological Poverty» (6/21/00) «U.S. Farmers Double Cropping Corn And Wind Energy» (6/7/00) «World Kicking the Cigarette Habit» (5/10/00) «Falling Water Tables in China» (5/2/00) Top of pa
in Exercise - Deprived Societies» (12/19/00) «HIV Epidemic Restructuring Africa's Population» (10/31/00) «Fish Farming May Overtake Cattle Ranching As a Food Source» (10/3/00) «OPEC Has World Over a Barrel Again» (9/8/00) «Climate Change Has World Skating on Thin Ice» (8/29/00) «The
Rise and Fall of the
Global Climate Coalition» (7/25/00) «HIV Epidemic Undermining sub-Saharan Africa» (7/18/00) «Population Growth and Hydrological Poverty» (6/21/00) «U.S. Farmers Double Cropping Corn And Wind Energy» (6/7/00) «World Kicking the Cigarette Habit» (5/10/00) «Falling Water Tables
in China» (5/2/00) Top of pa
in China» (5/2/00) Top of page
But a new study published
in the journal Science Advances has concluded that another impact of
global climate change might help coral reefs survive increasing
sea temperatures: «even a modest
sea level rise can substantially reduce temperature extremes within tide - dominated reefs, thereby partially offsetting the local effects of
future ocean warming,» the authors of the study write.
Sea level rise has happened, and will happen
in the
future, as a result of
global warming, the report finds.
A climate researcher for decades, he had long been
in the midst of political and scientific debates over
global warming, tirelessly urging political leaders and the public to take action now to avoid disasters such as
rising sea levels in the
future.
The largest unknown for
future sea level rise is caused by uncertainty
in the predicted response of the Antarctic ice sheet to
global warming.
The results, published
in the journal Earth's
Future, point to two possible pathways: 1) a relatively steady but substantial
rise in sea levels even if we sharply reduce
global emissions, flooding 100 million people's homes worldwide by the end of the century, and 2) a wild - card world that could jeopardize civilization itself if fossil fuels continue to dominate.
Global warming has been stuck in neutral for more than a decade and a half, scientists are increasingly suggesting that future climate change projections are overblown, and now, arguably the greatest threat from global warming — a large and rapid sea level rise (SLR)-- has been shown overly lurid (SOL; what did you think I me
Global warming has been stuck
in neutral for more than a decade and a half, scientists are increasingly suggesting that
future climate change projections are overblown, and now, arguably the greatest threat from
global warming — a large and rapid sea level rise (SLR)-- has been shown overly lurid (SOL; what did you think I me
global warming — a large and rapid
sea level rise (SLR)-- has been shown overly lurid (SOL; what did you think I meant?).
For a
future of continued growth
in emissions the new results indicate a likely
global average
sea -
level rise between 1.1 and 2.1 meters (3.6 to 6.9 feet)-- roughly double the IPCC - consistent estimate.
Let us jump straight
in with the following graph which nicely sums up the key findings about past and
future sea -
level rise: (1)
global sea level is
rising, (2) this
rise has accelerated since pre-industrial times and (3) it will accelerate further
in this century.
And earlier this week, another study concluded that — much like today's decisions will determine the fate of West Antarctica — decisions made today about whether or not to curb emissions will have clear repercussions
in future sea level rise: For each five - year delay
in «peaking»
global carbon emissions, median estimates for
sea level rise in 2300 go up by 20 centimeters.
The IPCC has already concluded that it is «virtually certain that human influence has warmed the
global climate system» and that it is «extremely likely that more than half of the observed increase
in global average surface temperature from 1951 to 2010» is anthropogenic.1 Its new report outlines the
future threats of further
global warming: increased scarcity of food and fresh water; extreme weather events;
rise in sea level; loss of biodiversity; areas becoming uninhabitable; and mass human migration, conflict and violence.
The fear now is that increasing
global temperatures and
sea level rises could trigger ever stronger winds and —
in turn — larger dead zones off the coast of Oregon and other states
in the near
future.
Forecasts of
future ice sheet behavior appear even more uncertain: Under the same high —
global warming scenario, eight ice sheet models predicted anywhere between 0 and 27 cm of
sea level rise in 2100 from Greenland melt.
These are already revealing a worrisome
future in which
rising global temperatures will likely cause environmental changes such as
rising sea levels and stronger hurricanes, which could uproot communities and intensify competition for food and other resources.