Sentences with phrase «decade to millennia»

Since the 1950s many of the observed changes are unprecedented over decades to millennia.

Snow - cover and sea - ice can change quite rapidly, but glaciers and ice - sheets may require decades to millennia.

It is very likely much of the current glacial meltwater will then take decades to millennia to reach the ocean and has yet to impact modern sea levels.

Some of these control variables have a regularity within broad limits and the planet responds over decades to millennia with a broad regularity in changes of ice, cloud, Atlantic thermohaline circulation and ocean and atmospheric circulation.

Reservoir turnover times (a measure of how long the carbon stays in the reservoir) range from a few years for the atmosphere to decades to millennia for the major carbon reservoirs of the land vegetation and soil and the various domains in the ocean.

This report, «Climate Stabilization Targets: Emissions, Concentrations, and Impacts Over Decades to Millennia,» provides a fresh degree - by - degree guide to impacts on river flows, rainfall, coasts and other factors that matter enormously over the next few decades as human populations crest.

I hypothesized here «that upwelling in the Pacific Ocean is modulated by solar activity over periods of decades to millennia — with profound impacts on communities and ecosystems globally.

We wanted to retrospectively analyse how much the regional climate temporally varies over decades to millennia,» explains Dr. Thomas Laepple from the Alfred Wegener Institute.

«These new findings help us understand how the global climate system works over scales of decades to millennia and give us a new perspective from the distant past on recent and future climate changes.»

Warming of the climate system is unequivocal, and since the 1950s, many of the observed changes are unprecedented over decades to millennia.

Over that time, scientists have observed changes to the environment that are «unprecedented over decades to millennia.»

«Since the 1950s, many of the observed changes are unprecedented over decades to millennia.»

July 19: Dr. Stephen Schneider passed away unexpectedly in London • July 17: The Polar Science Center observes anomalous drop in Arctic ice volume • July 16: The National Academy of Sciences released a summary report on climate stabilization targets pertaining to emissions, concentrations, and impacts over decades to millennia.

Now, scientists say they are certain that «warming in the climate system is unequivocal and since 1950 many changes have been observed throughout the climate system that are unprecedented over decades to millennia.»

On the headline statement, which states that warming of the climate system is unequivocal and, since 1950, many of the observed changes are unprecedented over decades to millennia, Saudi Arabia said the statement was «alarmist,» urged qualifying the terms «unequivocal» and «unprecedented,» requested using the year 1850 instead of 1950, and called for a reference to slowed warming over the past 15 years.

Final Text: The headline messages of the section state that warming of the climate system is unequivocal, and since the 1950s, many of the observed changes are unprecedented over decades to millennia.

Scientists warn of «unequivocal» climate change that is «unprecedented over decades to millennia.»

Solomon S, Battisti D, Doney S, Hayhoe K, Held I, Lettenmaier D, Lobell D, Matthews D, Pierrehumbert RT, Raphael M, Richels R, Root T, Steffen K, Tebaldi C and Yohe G 2010: Climate Stabilization Targets: Emissions, Concentrations and Impacts over Decades to Millennia.

The net effect is a cooler planet over decades to millennia.

In 2013, the Intergovernmental Panel on Climate Change (IPCC) concluded in its authoritative fifth assessment report that «Warming of the climate system is unequivocal, and since the 1950s, many of the observed changes are unprecedented over decades to millennia.

«Human influence on the climate system is clear... Warming of the climate system is unequivocal, and since the 1950s, many of the observed changes are unprecedented over decades to millennia.»

Climate Stabilization Targets: Emissions, Concentrations, and Impacts Over Decades to Millennia, a new report released by the National Research Council (the operational arm of the National Academy of Sciences) on July 16, starkly highlights the long - term global consequences of present - day... Continue reading →

«Many of the observed changes are unprecedented over decades to millennia,» begins the report, which summarizes the worldwide changes worldwide wrought by climate change and its likely future effects.

The scales of interest in the latter are metres to global spanning regime like structures and decades to millennia.

Climate Stabilization Targets: Emissions, Concentrations, and Impacts over Decades to Millennia (National Academies Press, 2011).

Climate Stabilization Targets: Emissions, Concentrations, and Impacts Over Decades to Millennia, a new report released by the National Research Council (the operational arm of the National Academy of Sciences) on July 16, starkly highlights the long - term global consequences of present - day choices about anthropogenic carbon emissions....

This is a current limitation of the models when confronted with, as yet unexplained, real world climate variations occurring over periods of decades to millennia.

Climate Stabilization Targets: Emissions, Concentrations, and Impacts over Decades to Millennia

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According to Climate Stabilization Targets: Emissions, Concentrations, and Impacts Over Decades to Millennia, important policy decisions can be informed by recent advances in climate science that quantify the relationships between increases in carbon dioxide and global warming, related climate changes, and resulting impacts, such as changes in streamflow, wildfires, crop productivity, extreme hot summers, and sea level rise.

Looking further into the future, the effect of greenhouse gases will almost certainly eventually overwhelm the aerosol effect because the greenhouse gases have lifetimes of decades to millennia, while aerosols have lifetimes of days to weeks.

Read / Purchase the Report Climate Stabilization Targets: Emissions, Concentrations, and Impacts Over Decades to Millennia (2011) Emissions of carbon dioxide from the burning of fossil fuels have ushered in a new epoch where human activities will largely determine the evolution of Earth's climate.

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The current warming trend is of particular significance because most of it is extremely likely (greater than 95 percent probability) to be the result of human activity since the mid-20th century and proceeding at a rate that is unprecedented over decades to millennia.1 Earth - orbiting satellites and other technological advances have enabled scientists to see the big picture, collecting many different types of information about our planet and its climate on a global scale.

In its final 2014 synthesis of more than 30,000 scientific studies, the Intergovernmental Panel on Climate Change concluded, «Warming of the climate system is unequivocal, and since the 1950s, many of the observed changes are unprecedented over decades to millennia.»