Both abrupt changes in the physical climate system and steady changes in climate that can
trigger abrupt changes in other physical, biological, and human systems present possible threats to nature and society.
Such rainfall regimes cover nearly half of the global land, where either a gradual climate change across the ecosystem thresholds or a strong perturbation due to either extreme climate events, land use, or diseases could
trigger abrupt ecosystem changes.
Although sea - level rise typically is slow compared to many environmental changes, even this type of gradual sea - level rise may force other systems to cross thresholds and
trigger abrupt impacts for natural or human systems unless adaptive measures are taken.
Third, lack of quantitative understanding of the thresholds that
trigger abrupt changes and causes of extreme climate events has limited our ability to provide process - based assessments of the risk of abrupt changes.
In other words, if it continues, the recent trend in sea ice loss may triple overall Arctic warming, causing large emissions in carbon dioxide and methane from the tundra this century (for a review of recent literature on the tundra, see «Science stunner: Vast East Siberian Arctic Shelf methane stores destabilizing and venting; NSF issues world a wake - up call: «Release of even a fraction of the methane stored in the shelf could
trigger abrupt climate warming»).
However, even temporary extreme climatic events can
trigger abrupt and irreversible changes when their impacts exceed the threshold or resilience of the ecosystems.
This is central to the ability to improve the quantitative understanding of the thresholds that can
trigger abrupt changes and the probability distribution changes of the extreme climate events with the slow varying climate states and forcings that can be monitored.
Gradual warming, paradoxically, can
trigger abrupt cooling.
However Alley et al., 2003 defend that «Even a slow forcing can
trigger an abrupt change, and the forcing may be chaotic and thus undetectably small.»
It is the potential for effects like this to
trigger abrupt changes in the global climate that scientists will be studying, he told reporters today.
Given our understanding of the climate system and the mechanisms involved in abrupt climate change, this committee concludes that human activities could
trigger abrupt climate change.
Release of even a fraction of the methane stored in the shelf could
trigger abrupt climate warming.
The normally staid National Science Foundation issued a press release warning «Release of even a fraction of the methane stored in the shelf could
trigger abrupt climate warming.»
Remobilization to the atmosphere of only a small fraction of the methane held in East Siberian Arctic Shelf (ESAS) sediments could
trigger abrupt climate warming, yet it is believed that sub-sea permafrost acts as a lid to keep this shallow methane reservoir in place.
Enormous amounts of freshwater were released into the North Atlantic following deglaciation, and an influx of freshwater into the North Atlantic Deep Water formation zone can potentially
trigger abrupt climate changes.
These findings are remarkable insofar as they indicate that anthropogenic perturbations of the planetary albedo, such as sulphur emissions and / or land - use changes, or natural variations in insolation and CO2 concentration could
trigger abrupt transitions between different monsoon regimes.
Hall's research indicates that global warming could
trigger an abrupt and catastrophic shift in the planet's climate.
It could explain how a single cold droplet or ice shard can
trigger abrupt rain or snowfall.
New research shows that small fluctuations in the sizes of ice sheets during the last ice age were enough to
trigger abrupt climate change.
Adjusting the gut ecology back to normal often
triggers an abrupt change in food preferences in children.
New York Solicitor General Barbara Underwood will serve as the state's acting attorney general after abuse allegations against Eric Schneiderman
triggered his abrupt resignation.
New York Solicitor General Barbara Underwood will serve as the state's acting attorney general, a spokeswoman for the office said Tuesday, after abuse allegations against Eric Schneiderman
triggered his abrupt resignation.
Project leader Enno Schefuß from the MARUM — Center for Marine Environmental Sciences at the University of Bremen, Germany, adds: «The project was funded by the Deutsche Forschungsgemeinschaft in the priority programme «Integrated Analysis of Interglacial Climate Dynamics (INTERDYNAMIC)» with the aim to identify potential mechanisms
triggering abrupt changes under current climatic conditions.
«Scientists throw light on mysterious ice age temperature jumps: New study reveals carbon dioxide «tipping point» that
triggered abrupt warming during glacial periods.»
What do you feel
triggers this abrupt change in her?
What hope then for the plausible idea that the Arctic sea ice will disappear within the next five years,
triggering an abrupt global warming of 3C.
The first report knew, and commented on, the possibilities of gradual climate change pushing ecosystems or economies over thresholds and
triggering abrupt responses, but the new report focuses on such tipping points in our societies and environment.
That's because the risk of
triggering abrupt changes in the climate system — such as rapid sea level rise or widespread droughts — becomes high above one of two degrees warming.
It remains unclear what is
triggering the abrupt email notifications and whether the two issues are connected, but it seems the malfunction is relatively widespread.
Not exact matches
When the tech bubble burst in 2000, it
triggered an extended bear market and brought an
abrupt end to AIC's ascent.
Speaker Paul D. Ryan's
abrupt decision to dismiss the House chaplain
triggered an uproar on Friday over religion, pitting Republican against Republican and offering Democrats a political opportunity in a year already moving their way.
External forces like
abrupt changes in solar output or volcanism could have started and stopped the cycle, says Trouet, who hopes to pinpoint the
trigger at a climatology workshop in May.
«It is essential that we designate the harbingers of
abrupt and significant changes or, perhaps more importantly, the
triggers and thresholds that could commit the planet to these changes well before their tell - tale signs appear,» says economist and IPCC author Gary Yohe of Wesleyan University in Middletown, Conn. «We can not accept the adaptive design completely without having confidence in our abilities to determine exactly what to monitor.»
This would cause
abrupt spikes in the accretion rate and
trigger blasts of radiation.
They also seem to be unaware of that the Arctic sea ice still exists and its
abrupt collapse will
trigger the next rapid warming!
You do seem not quite up to date with current thinking on
abrupt climate changes (now I'm referring to your polemic question «Were all of these
triggered by Lake Agassiz dam bursts?»
Abrupt onset of the Litte Ice Age
triggered by volcanism and sustained by sea - ice / ocean feedbacks.
An
abrupt warming of oceanic intermediate waters could have initiated the thermal destabilization of sediment - hosted methane gas hydrates and potentially
triggered sediment slumps and slides.
Each of the
triggers lead to an
abrupt and short rise in blood pressure, which would seem to be a possible common cause of aneurysmal rupture.
In fact, although rosacea can also be precipitated by «hot or spicy food and drinks, alcohol, physical exercise, high temperature environments or
abrupt changes of temperature,» [8] the number one
trigger for rosacea is sun exposure.
Three specific events
triggered the 2012 crisis: an
abrupt reduction in federal and state funding (see Figure 1), the inability of the district to cut many of its costs, and political pressures on the district to spend available revenues in a given year.
Most modern designs use a solenoid - operated valve that is
triggered by a switch on the throttle linkage or by the engine control unit (ECU) in response to an
abrupt increase in engine power.
More broadly, the crisis in 2008 arose because Bernanke and then - Treasury Secretary Henry Paulson declined to step in to prevent Lehman Brothers»
abrupt failure, which
triggered intense fear across the financial system.
ARF is an
abrupt shutdown of kidney functions, often
triggered by poisoning, trauma, infection, or urinary obstruction.
Change in Schedule An
abrupt change in schedule in terms of when or how long a dog is left alone can
trigger the development of separation anxiety.
Her
abrupt awakening
triggers a series of unexpected events that include foul fiends, astonishing abilities and miraculous mysteries!
Could we be looking at any fairly
abrupt changes to the jet stream, possibly
triggered by sea ice melting or stratospheric changes?
They also seem to be unaware of that the Arctic sea ice still exists and its
abrupt collapse will
trigger the next rapid warming!
You do seem not quite up to date with current thinking on
abrupt climate changes (now I'm referring to your polemic question «Were all of these
triggered by Lake Agassiz dam bursts?»
A remarkable paper coming in the Jan. 31 issue of Geophysical Research Letters has a title that says it all: «
Abrupt onset of the Little Ice Age
triggered by volcanism and sustained by sea - ice / ocean feedbacks.»