Scientists are unraveling the reasons why some parts of the world are
experiencing sea level increases far beyond the global average.
Not exact matches
For example, the Northeast is already
experiencing increases in severe rains and higher - than - average
sea -
level rise.
The region also
experienced the highest rates of
sea -
level rise over the world, indicating large
increases in ocean heat content and leading to substantial impacts on small island states in the region.
Channel Islands NMS Teacher At
Sea The mission of NOAA's Teacher at
Sea (TAS) program is to give teachers a clearer insight into our ocean planet, a greater understanding of maritime work and studies, and to
increase their
level of environmental literacy by fostering an interdisciplinary research
experience.
The paper was entitled «Tuvalu not
Experiencing Increased Sea Level Rise» which gives a general idea of the content.
Temperatures and
sea level rise that are
experiencing accelerating rates of
increase have, in fact, done no such thing but rather have flattened.
coral cover was positively correlated with the mean
sea level experienced over the preceeding months... the overall picture for these shallow reefs is a positive one as they respond to
increasing sea level and show rapid recovery from environmental disturbances.
* 20 to 30 % of plant and animal species likely to be at
increased risk of extinction * many millions more people than today projected to
experience floods every year due to
sea level rise *
increases in malnutrition;
increased deaths, diseases and injury due to extreme weather events;
increased burden of diarrhoeal diseases;
increased frequency of cardio - respiratory diseases due to higher concentrations of ground -
level ozone in urban areas * hundreds of millions of people exposed to
increased water stress
As
sea levels rise, the Chesapeake Bay region is expected to
experience an
increase in coastal flooding and drowning of estuarine wetlands.
«[C] ommunities across the Nation are already
experiencing a range of climatic changes, including more frequent and extreme precipitation events, longer wildfire seasons, reduced snowpack, extreme heat events,
increasing ocean temperatures, and rising
sea levels,» the report says.
What it means Although some regions have recently
experienced much greater rates of
sea level rise, such as the Arctic (3.6 mm / yr) and Antarctic (4.1 mm / yr), with the mid-1980s even exhibiting a rate of 5.3 mm / yr (Holgate, 2007), this newest analysis of the most comprehensive data set available suggests that there has been no dramatic
increase — or any
increase, for that matter — in the mean rate of global
sea level rise due to the historical
increase in the atmosphere's CO2 concentration.
Our nation's coasts and adjacent communities are already
experiencing enormous impacts from a changing climate through
sea level rise,
increased storm activity, and an acidifying ocean.
The social foundations of children's mental and physical health and well - being are threatened by climate change because of: effects of
sea level rise and decreased biologic diversity on the economic viability of agriculture, tourism, and indigenous communities; water scarcity and famine; mass migrations; decreased global stability46; and potentially
increased violent conflict.47 These effects will likely be greatest for communities already
experiencing socioeconomic disadvantage.48
Brief Communications Arising, Nature 430, (15 July 2004)- Eschenbach, W. Tuvalu Not
Experiencing Increased Sea Level Rise, Energy & Environment, Volume 15, Number 3, 1 July 2004, pp. 527 - 543 - Eschenbach, W. Willis Eschenbach
Coastal Flooding to
Increase in Less Obvious Areas In case you need a closer to home example (and one note as obvious as the Mississippi Delta...): An assessment of the impact of
sea level rise on New York City showed that by 2080 coastal flooding which historically had been
experienced every 10 years, would now occur every 3, and the statistical «once in a century» storm would more likely become the «once every 10 - 35 years» storm.
As Secretary Kerry noted, Virginia's Hampton Roads area,
experiencing increasing coastal flooding due to
sea level rise, is a microcosm of the bigger risks facing our nation and world.