Sentences with phrase «temperatures decade by decade»

Not exact matches

If we persist on our current trajectory, the potential for temperatures to increase in the next few decades could reduce the global area suitable for production of coffee by as much as half by 2050.

For many decades it has not been clear whether mid-ocean ridge elevations are caused by variations in the temperature of the mantle or variations in the rock composition of the mantle.

The new normals, which will be released later in the year, will drop the 1970s — a decade marked by cool temperatures — and add the hottest recorded decade in history, the 2000s.

Combining the asylum - application data with projections of future warming, the researchers found that an increase of average global temperatures of 1.8 °C — an optimistic scenario in which carbon emissions flatten globally in the next few decades and then decline — would increase applications by 28 percent by 2100, translating into 98,000 extra applications to the EU each year.

However, solar variability alone can not explain the post-1970 global temperature trends, especially the global temperature rise in the last three decades of the 20th Century, which has been attributed by the Inter-Governmental Panel on Climate Change (IPCC) to increased concentrations of greenhouse gases in the atmosphere.»

The strength and path of the North Atlantic jet stream and the Greenland blocking phenomena appear to be influenced by increasing temperatures in the Arctic which have averaged at least twice the global warming rate over the past two decades, suggesting that those marked changes may be a key factor affecting extreme weather conditions over the UK, although an Arctic connection may not occur each year.

The research, conducted by Leah Schinasi, PhD, assistant research professor, and Ghassan Hamra, PhD, assistant professor, both of Drexel's Dornsife School of Public Health, was published in the Journal of Urban Health and used a decade's worth of crime data in Philadelphia (from 2006 until 2015) to find that rates of violent crime and disorderly conduct increased when daily temperatures are higher.

Greenland's ice sheet has been losing mass during the past two decades, a phenomenon accelerated by warming temperatures.

Temperatures have already risen by about 0.8 C (1.4 F) since 1900 and are set to breach the 2 C ceiling on current trends in coming decades, U.N. reports show.

In response, lakebed temperatures of Arctic lakes less than 1 meter (3 feet) deep have warmed by 2.4 degrees Celsius (4.3 degrees Fahrenheit) during the past three decades, and during five of the last seven years, the mean annual lakebed temperature has been above freezing.

But within these long periods there have been abrupt climate changes, sometimes happening in the space of just a few decades, with variations of up to 10ºC in the average temperature in the polar regions caused by changes in the Atlantic ocean circulation.

A team of researchers from the University of Eastern Finland and the Finnish Meteorological Society found that over the past 166 years, the country's average monthly temperatures have increased by more than 2 degrees Celsius (3.6 degrees Fahrenheit), a 0.14 C change per decade.

The temperature on the barrier reef has slowly been rising as a result of global warming, decade by decade.

Global warming has neither stopped nor slowed in the past decade, according to a draft analysis of temperature data by the NASA Goddard Institute for Space Studies

«I would say it is significant that temperatures of the most recent decade exceed the warmest temperatures of our reconstruction by 0.5 degrees Fahrenheit, having few — if any — precedents over the last 11,000 years,» Marsicek says.

New measurements by NASA's Goddard Institute for Space Studies indicate that 2012 was the ninth warmest year since 1880, and that the past decade or so has seen some of the warmest years in the last 132 years.One way to illustrate changes in global atmospheric temperatures is by looking at how far temperatures stray from «normal», or a baseline.

By Victoria Cavaliere and Brendan O'Brien NEW YORK / MILWAUKEE (Reuters)- A deadly blast of arctic air shattered decades - old temperature records as it enveloped the eastern United States on Tuesday, snarling air, road and rail travel, driving energy prices higher and overwhelming shelters for homeless people.

Global warming has neither stopped nor slowed in the past decade, according to a draft analysis of temperature data by NASA's Goddard Institute for Space Studies.

This hasn't gone unnoticed by climate deniers; they frequently point to a hiatus in temperature rises since the late 1990s and a lower than expected upward trend in the past decade.

The world market for high - temperature superconductors is forecast to be about $ 10 billion by the end of the decade and up to $ 200 billion by 2020.

These events are characterized by drastic temperature changes of up to 15 °C within a few decades in the high latitudes of the Northern Hemisphere.

Even if the natural variation in temperatures caused by the AMO is the only factor affecting temperatures in the western U.S., that region is set for several decades of warmer, drier conditions, according to Swetnam's paper, published online December 26 in the Proceedings of the National Academy of Sciences USA.

Scientists believe they have discovered the reason behind mysterious changes to the climate that saw temperatures fluctuate by up to 15 °C within just a few decades during the ice age periods.

Moreover, the annual number of hot days — defined as average temperatures exceeding between 25 and 30 degrees Celsius, depending on location — rose by almost two a decade.

In the past decade, paleoclimatologists have reconstructed a record of climate change over the last millennium by consulting historical documents and examining indicators of temperature change like tree rings, as well as oxygen isotopes in ice cores and coral skeletons.

«Over the past several decades, we've seen temperatures warming and carbon dioxide increasing, and our study found that this tropical forest has responded to that increase by producing more flowers.»

«Some fungal outbreaks over the past couple of decades, such as Dothistroma needle blight, could likely have been anticipated by tracking how temperature and precipitation were changing together,» said Mahony, who has worked as a forester in British Columbia for 10 years and has witnessed the impacts of climate change on the ground.

Late - summer water temperatures near the Florida Keys were warmer by nearly 2 degrees Fahrenheit in the last several decades compared to a century earlier, according to a new study by the U.S. Geological Survey.

Average global land and ocean temperatures have climbed at a rate of 0.2 °C per decade since 1976, according to data compiled by the National Climatic Data Center (NCDC) in Asheville, North Carolina, and the World Meteorological Organization (WMO) in Geneva, Switzerland.

El Niño is a weather pattern characterized by a periodic fluctuation in sea surface temperature and air pressure in the Pacific Ocean, which causes climate variability over the course of years, sometimes even decades.

But a new analysis of more than six decades of daily temperature and snowfall data by Cohen and his team suggests arctic heat waves may actually be linked to severe cold weather at lower latitudes... perhaps through the polar vortex.

The amount of solar heat entering Earth's atmosphere varies by about 0.1 per cent on a timescale of years as the sun's activity changes, but satellite data show no overall increase corresponding to the soaring temperatures of recent decades.

After reanalyzing data collected between 1979 and 2001, the team found that the tropospheres temperature has risen by about two tenths of a degree Celsius (almost one third of a degree Fahrenheit) each decade, bringing it in line with the surface trend.

The Intergovernmental Panel on Climate Change in its first report in 1990 predicted that temperatures would warm by 0.5 degree Fahrenheit (0.3 degree Celsius) per decade if no efforts were made to restrain greenhouse gas emissions.

A two - decade study of rainforest plots in Panama and Malaysia recently concluded that local temperature rises of more than 1ºC have reduced tree growth by 50 per cent (see Don't count on the trees).

Scientists at the Alaska Climate Research Center have found that average temperatures there have increased by 3.5 degrees Fahrenheit (1.9 degrees Celsius) over the last five decades and by 6.3 degrees Fahrenheit (3.5 degrees Celsius) over the winters.

Historical records show temperatures have typically fluctuated up or down by about 0.2 °F per decade over the past 1,000 years.

The decades of work that have gone into reducing PM2.5 through environmental regulations and technological improvements are being undermined by the West's worsening wildfire seasons, with large wildfires being amplified by higher temperatures and drier conditions associated with human - caused climate change.

Diurnal temperature range (DTR) decreased by 0.07 °C per decade averaged over 1950 to 2004, but had little change from 1979 to 2004, as both maximum and minimum temperatures rose at similar rates.

The Arctic, which is already the fastest warming part of the planet, will see temperatures rise 1.1 °F per decade by 2040.

Summer temperatures have already increased across the U.S. in recent decades; in the Pacific Northwest they have risen by almost 0.5 °F per decade since 1970.

Over the past 30 years, the agency said, October temperatures have been rising by 0.65 °F (0.43 °C) per decade, faster than any other month except September.

As a consequence, their results are strongly influenced by the low increase in observed warming during the past decade (about 0.05 °C / decade in the 1998 — 2012 period compared to about 0.12 °C / decade from 1951 to 2012, see IPCC 2013), and therewith possibly also by the incomplete coverage of global temperature observations (Cowtan and Way 2013).

These rising atmospheric greenhouse gas concentrations have led to an increase in global average temperatures of ~ 0.2 °C decade — 1, much of which has been absorbed by the oceans, whilst the oceanic uptake of atmospheric CO2 has led to major changes in surface ocean pH (Levitus et al., 2000, 2005; Feely et al., 2008; Hoegh - Guldberg and Bruno, 2010; Mora et al., 2013; Roemmich et al., 2015).

For more than a decade, IPCC scientists have warned that many people will suffer greatly if Earth's average global temperature increases by more than 2 ° Celsius (3.6 ° Fahrenheit) over what was typical before the Industrial Revolution.

A team led by Kate Marvel (among them also the known climate activist Gavin Schmidt) claimed in February, 2018, in the Geophysical Research Letters that the real temperature trend of the last decades are not suitable for calculating CO2 climate sensitivity.

The first collection of papers establishes that (a) decadal and multi-decadal ocean circulation patterns (AMO, PDO, NAO, ENSO) have significantly modulated precipitation and temperature changes in recent decades, and the second collection of papers confirm that (b) natural ocean oscillations are, in turn, modulated by solar activity.

Global temperatures have increased by ∼ 0.2 °C per decade over the last three decades16, possibly leading to an acceleration of the global water cycle with more intense rainfall events17, more severe and widespread droughts18 (despite drought frequencies appearing unchanged19) and regional humidity variations20.

Many climate model simulations focus on the amount of warming caused by emissions sustained over decades or centuries, but the timing of temperature increases caused by particular emission has been largely overlooked.

«We chose the iconic Great Barrier Reef because water temperature varies by 8 - 9 degrees along its full length from summer to winter, and because there are wide local variations in pH. In other words, its natural gradients encompass the sorts of conditions that will apply several decades from now under business - as - usual greenhouse gas emissions.»