Studies on mild fluctuations in weather have provided support for the idea that higher biodiversity results in more stable functioning of ecosystems, but critical appraisal of the evidence from
extreme event studies is lacking.
Not exact matches
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.
The
study was conducted to make data about
extreme events a part of the ongoing research and planning required to help communities prepare now for conditions that may be dramatically different in the not - too - distant future.
«Storm surges globally lead to considerable loss of life and billions of dollars of damages each year, and yet we still have a limited understanding of the likelihood and associated uncertainties of these
extreme events both today and in the future,» said Thomas Wahl, an assistant engineering professor in the University of Central Florida who led the
study.
The tsunami was at least three times the size of a 1946 tsunami that was the most destructive in Hawaii's recent history, according to the new
study that examined deposits believed to have come from the
extreme event and used models to show how it might have occurred.
The
study's findings showed that volatile elements undergo the same chemical reactions during
extreme temperature and pressure
events whether taking place on Earth or in outer space.
According to a 2013
study of California farmers, factors like exposure to
extreme weather
events and perceived changes in water availability made farmers more likely to believe in climate change, while negative experiences with environmental policies can make farmers less likely to believe that climate change is occurring, said Meredith Niles, a postdoctoral research fellow at Harvard's Sustainability Science Program and lead author of the
study.
Synthesizing about 1000 scientific
studies and reports, the scientists were now able to give a balanced report on the changes in all 14 ecosystem functions, including gas and climate regulation, water regulation and supply, moderation of
extreme events, provision of food and raw materials, as well as medicinal resources.
In December, a special edition of the Bulletin of the American Meteorological Society included a selection of
studies investigating the influence of climate change on a variety of recent
extreme weather and climate
events, including marine heat waves.
According to the Rutgers - Camden researcher, the
study supports the hypothesis that organisms living in high - stress urban medians possess adaptions to disturbance, making them more resilient to the effects of
extreme weather
events than organisms living in relatively low - stress city parks.
So far, these
studies have been done retroactively, a year or more after specific
extreme events.
With hurricanes, wildfires and drought, 2017 is chock - full of
extreme event candidates for next year's crop of BAMS attribution
studies.
Marine creatures that live along the coast are used to dramatic swings in salinity, sedimentation, and other conditions, and
studies have found populations can bounce back from
extreme events.
But this is the first time that any
study has found that a weather
event was so
extreme that it was outside the bounds of natural variability — let alone three such
events, Herring said.
Many of the other 24
studies in the new issue found a strong likelihood of human influence on
extreme weather
events, but stopped short of saying they were completely out of the realm of natural variability.
It includes 22 separate
studies focusing on 16 different
extreme weather
events that occurred last year.
One of the areas emphasized by HSD in 2006 is decision - making, risk, and uncertainty, which includes
studies of risk perception, responses to hazards and
extreme events, and the role played by educational systems in that response.
Yet Matz's
study suggests that,
extreme events aside, the corals show signs of adapting quickly enough to keep pace with warming waters — at least for now.
In recent years, many
studies have sought to unsnarl the role of anthropogenic climate change from natural variability on
extreme weather
events (SN: 1/20/18, p. 6).
He just completed a post-doctoral fellowship at the University of Maryland, where he
studied how the increase in
extreme weather
events due to climate change is affecting people's health.
To better understand the cores of powerful astrophysical objects, scientists are
studying individual particles that can tell a firsthand tale of the
extreme events that launch them outward at tremendous speed.
The
study, published yesterday in the journal Nature Geoscience, has the potential to improve forecasts of such
extreme events.
Normally,
studies trying to attribute climate change to
extreme events are published much later after the
event, noted Karoly.
«Our
study explains why cities suffer even more during
extreme heat
events and highlights the heat risks that urban residents face now and in the projected future.»
«The responses of fish species to
extreme weather
events will need to be considered when planning management strategies to ensure efforts are appropriately targeted to maintain key population segments and critical evacuation routes,» said Dave Secor, the
study's co-author at the University of Maryland Center for Environmental Science's Chesapeake Biological Laboratory.
Since then,
studies have shown that clade D symbionts, in particular types D1 and D1a, are prevalent in a wide variety of corals that have survived
extreme bleaching
events.
An unprecedented
study titled, «Lifecycle Assessments of Railway Bridge Transitions Exposed to
Extreme Events,» published in Frontiers in Built Environment, benchmarks the costs and carbon emissions for the life cycle of eight mitigation measures and reviews these methods for their effectiveness in three types of
extreme environmental conditions.
«We believe this first
study of rogue waves occurring over space and time during hurricanes will help improve real - time forecasting for shipping companies and other organizations that need to understand the risk of
extreme events in the oceans.»
The work «dissects the phenomena better than previous
studies,» showing the anatomy and evolution of the
extreme heat
events, he adds.
The researchers conclude that the authorities in each of the countries
studied were unprepared for
extreme weather
events, and citizens suffered even more than they needed to.
Overall, the chances of seeing a rainfall
event as intense as Harvey have roughly tripled - somewhere between 1.5 and five times more likely - since the 1900s and the intensity of such an
event has increased between 8 percent and 19 percent, according to the new
study by researchers with World Weather Attribution, an international coalition of scientists that objectively and quantitatively assesses the possible role of climate change in individual
extreme weather
events.
«NuSTAR's unprecedented capability for observing this and similar
events allows us to
study the most
extreme light - bending effects of general relativity.»
Storms also a question mark The attribution
studies also looked into storms and rainfall
extremes, but the complexity of atmospheric processes during such
events made it difficult for scientists to decipher the role of climate change.
The
studies are from a National Oceanic and Atmospheric Administration - led effort to explain the role of climate change in 16
extreme weather
events in the United States and elsewhere.
Blistering heat waves recorded around the globe in 2013 were linked to human - caused global warming, according to a broad survey of
studies on
extreme weather
events published yesterday.
The peculiar light - curve of J1415 +1320: A case
study in
extreme scattering
events.
Attribution
studies are meant to help policymakers understand whether an
extreme weather
event is likely to repeat in the future.
For such
extreme events, the GFZ has a task force called HART (Hazard and Risk Team) that will travel to the area affected to conduct further
studies.
Our
study shows is that increases in the number of
extreme heat and
extreme precipitation
events, particularly during summer months, lead to more asthma hospitalizations in Maryland.»
«Previous scientific
studies have shown that
extreme weather
events are becoming more common, more intense, and longer lasting in response to our changing climate.
Gabriele Villarini, an assistant professor of engineering at the University of Iowa and the second author of the paper,
studies extreme meteorological
events, what drives the frequency and magnitude of those
events, and their impact on policy and economics.
Warmer and longer winters, prolonged drought, and other impacts from a changing climate could boost the number of days conducive to
extreme fire
events by 35 percent, the
study found.
While the majority of climate change scientists focus on the «direct» threats of changing temperatures and precipitation after 2031, far fewer researchers are
studying how short - term human adaptation responses to seasonal changes and
extreme weather
events may threaten the survival of wildlife and ecosystems much sooner.
Carolyn Gramling writes about
studies that, for the first time, blame specific
extreme weather
events on human - caused climate change — certain to be a hot topic in 2018.
Rather than assign blame to humans for particular
extremes, scientists could
study a class of
events, such as heavy rainfall in a certain geography, and say whether past human actions have increased their risk.
«The various factors that cause an
extreme [
event] are part of our ongoing
studies of weather — what causes weather to be
extreme,» he said.
The report — the second such annual report — analyzes the findings from about 20 scientific
studies of a dozen or so
extreme weather
events that occurred around the world last year, seeking to parse the relative influence of anthropogenic climate change.
Now that the new
study has connected a planetary wave pattern to a particular type of
extreme weather
event, Teng and her colleagues will continue searching for other circulation patterns that may presage
extreme weather
events.
However, Cane says he has little faith in models for
studying how
extreme ENSO
events will change.
In addition, noted climate scientist Peter Stott of the U.K. Met Office, these
studies show that in many cases, human influence on climate has increased the risks associated with
extreme events.