A new study, published in Journal of Geophysical Research - Oceans, helps clarify how past and
future coastal sea level changes are related to local winds and large - scale ocean circulation.
A new study helps clarify how past and
future coastal sea level changes are related to local winds and large - scale ocean circulation.
Not exact matches
«We have a moral obligation to our children and
future generations to reduce the severe impacts of climate change like rising
sea levels, which will disproportionately impact
coastal communities in Massachusetts,» said EPA Administrator McCarthy.
Rising
sea levels caused by a warming climate threaten greater
future storm damage to New York City, but the paths of stronger
future storms may shift offshore, changing the
coastal risk for the city, according to a team of climate scientists.
«In order to understand
coastal impacts under current and
future climate and socio - economic conditions, we do not only need robust projections of mean
sea level rise but also a profound knowledge of present - day and
future extreme
sea levels, because these events drive the impacts,» Wahl said.
If
sea -
level rise remains small, then changes in storm surge are the most important concern for
future coastal risk to New York City.
Improving projections for how much ocean
levels may change in the
future and what that means for
coastal communities has vexed researchers studying
sea level rise for years, but a new international study that incorporates extreme events may have just given researchers and
coastal planners what they need.
In addition to permanently submerging
coastal land,
sea -
level rise will make the flood damage from hurricanes and nor'easter s worse in the
future, he said.
The low - lying island nation offers the scientists a unique opportunity to reconstruct climate conditions during previous periods of varying
sea levels to help scientists better understand how
future climate change will the effect the 1,000 km - long archipelago and low - lying
coastal areas all around the world.
For the study «Doubling of
coastal erosion under rising
sea level by mid-century in Hawaiʻi,» published this week in Natural Hazards, the research team developed a simple model to assess
future erosion hazards under higher
sea levels — taking into account historical changes of Hawaiʻi shorelines and the projected acceleration of
sea level rise reported from the Intergovernmental Panel on Climate Change (IPCC).
Both Kelly and Chinowsky said
coastal communities are significantly vulnerable to storm surge, rising
sea levels and
future storms — challenging geographic conditions augmented by their exposure to hurricanes and often sinking sediment beneath a city's foundation.
The estimation of changes due to
sea level rise (SLR) and climate change is a major issue with respect to
future coastal management decisions.
The results show that human - caused
sea level rise is not just a
future problem, it is driving most
coastal flooding in the U.S. today.
The findings have important implications in terms of planning for
sea level rise, as ever - growing
coastal communities might have to plan for even higher ocean
levels in a warmer
future.
To compensate partially for my participation in the hijacking of this thread, I point to how Rhode Island's
coastal zone management (CZM) agency, the RI
Coastal Resources Management Council (CRMC) is addressing current and
future sea -
level rise (SLR).
These results show that human - caused
sea level rise is not just a
future problem, it is driving most
coastal flooding in the U.S. today.
probabilistically projecting
future changes in
sea levels and their implications for changing
coastal flood risk, and translating those projected changes into actionable information for
coastal adaptation; and
«With BAU (Business As Usual) humanity faces a very abrupt
future of misery; including rapid 5 to 9 meter
sea level rise taking out
coastal cities around the planet.
Future coastal population growth and exposure to
sea -
level rise and
coastal flooding — A global assessment.
For example, if climatologists and oceanographers only considered
sea level rise to predict
coastal damages without regard to escalating rates of beach - front home building, they would be as errant as would a
coastal developer who assesses
future risks based only on current climate and
sea levels (and Professor Pielke has led the charge on such integrated approaches).
The overall effect from the ancillary
coastal changes is to take the damage estimates and number of people affected by a
future sea level rise scenario and multiply it by ten.
The section on past and
future tempestuous conditions centers on geological evidence from the Bahamas and Bermuda, particularly big boulders lodged well above
sea level on Eleuthera and current - carved seabed and
coastal features, called chevrons, denoting powerful oceanic dynamics.
Let's hope the single issue of CO2 doesn't obscure the very serious threats that do more than just promise to rise
coastal sea levels, which by the way, would be changing as they have throughout the long history of the planet anyway; a presumed
future history that our technological civilization hopes to experience for some time to come.
New Jersey is seemingly trying to rebuild its shoreline communities as fast as possible with little thought for the
future, politicians in North Carolina have essentially told
coastal planners not to take
future sea level rise into account, and some places would like to resist or adapt but lack the resources to do so.
However, in order to understand
coastal impacts under current and
future climate and socio - economic conditions, not only robust SLR projections are required but also a profound knowledge of the drivers and occurrence of present - day and
future extreme
sea levels (ESL), as ESL drive the impacts (Bindoff et al 2007).
Although past anthropogenic emissions already have caused
sea -
level commitment that will force
coastal cities to adapt,
future emissions will determine which areas we can continue to occupy or may have to abandon.
Future sea levels committed under each of the emissions and Antarctic scenarios considered present serious implications for US
coastal regions.
Here we develop relationships between cumulative carbon emissions and long - term
sea -
level commitment and explore implications for the
future of
coastal developments in the United States.
That is arguably the most serious threat to
future food supplies, and yet in climate coverage more attention is paid to
sea level rise, heat waves, and
coastal disruption from hurricanes and superstorms.
The Plan, led by San Francisco Planning and San Francisco Public Works, defines an overarching vision and set of objectives for
future sea level rise and
coastal flooding planning and mitigation in San Francisco.
«Carbon choices determine US cities committed to
futures below
sea level» «Economic impacts of climate change in Europe:
sea -
level rise» «
Future flood losses in major
coastal cities» «Forecasting the effects of accelerated
sea -
level rise on tidal marsh ecosystem services» «Coral islands defy
sea -
level rise over the past century: Records from a central Pacific atoll»
What's more,
sea levels are rising, elevating storm surge and increasing the amount of
coastal flooding — and the amount of electricity infrastructure at risk — when
future storms arrive.
Sea level rise is not just a concern for the
future, it is already heightening
coastal flood risks worldwide.
In the
future, high - end estimates of ice discharge and regional effects, such as local thermal expansion and
coastal subsidence, place the upper limits of relative
sea -
level rise for the Netherlands at 0.65 to 1.3 m by 2100, excluding gravitational effects.
The authors observe that wide variations in rates of tectonic uplift and subsidence in different locations around the world at particular times mean no effective
coastal management plan can rest upon speculative computer projections regarding an idealised
future global
sea level, such as those provided by the United Nations» Intergovernmental Panel on Climate Change (IPCC).
«If we cause large
sea -
level rise, that dominates
future risks, but if we could prevent
sea -
level rise and just have the storm surge to worry about, our projections show little change in
coastal risk from today during most years,» said Michael Mann, distinguished professor of meteorology and atmospheric science and director of Penn State's Earth System Science Centre, and one of the authors.
«In the case of
sea level, society might want to know what is science's best guess for the
future rise, but for any practical purposes of
coastal protection it is the worst case that is relevant.
The island nation's
future is under threat from anticipated global
sea level rise, with many of its islands already suffering from
coastal erosion.
Reinstate federal flood - protection standards that require all federally funded infrastructure projects to meet a higher margin of safety for
future sea -
level rise and flooding from
coastal storms and extreme weather events.