Sentences with phrase «gradual warming over»

Not exact matches

This gradual shift in the Sahara's overall climate contradicts a common theory that the region dried rapidly over a few hundred years, and provides clues about a potential re-greening triggered by global warming, Kröpelin says.

These events produce rapid climate warming which is followed by a gradual, steady cooling over many years (centuries, in fact).

«Early flooding of the Ganges and the Brahmaputra rivers is an example of climate change caused by global warming,» Atiur Rahman, an environmental economist, told IRIN, noting a gradual advance of the annual flooding over the past 50 years.

Over the 5 long term, this warming conforms to a complex trend that can be simplified as a monotonic curve, but the actual pathway is steplike... this rules out gradual warming, either in situ in the atmosphere or as gradual release from the ocean, in favour of a more abrupt process of storage and release.

The gradual rise in that number over the past 260 years is an important part of the global warming scare.

In the Northern Hemisphere, they take the form of rapid warming episodes, typically in a matter of decades, each followed by gradual cooling over a longer period.

Superimposed upon these short - term fluctuations in the time series are more gradual variations that include a warming of between 0.4 and 0.8 °C over the course of the century.

6 Ice age — time in the past when continental glaciers covered large parts of Earth's surface Global warming — a gradual increase in the temperature of Earth's atmosphere Greenhouse gas — Gases in the atmosphere, such as carbon dioxide, that trap solar energy Ozone hole — a large area of reduced ozone concentration in the stratosphere, found over Antarctica Chlorofluorocarbon — chlorine compounds that are the main cause of ozone depletion KEY TERMS

They tell us of a gradual increase in temperatures over the last 300 years, that current weather extremes are nowhere near as bad as many in the past and that there have been some surprisingly warm periods in the last 500 years.

«TCR was originally defined as the warming at the time of CO2 doubling (i.e., after 70 years) in a 1 % yr — 1 increasing CO2 experiment (see Hegerl et al., 2007b), but like ECS, it can also be thought of as a generic property of the climate system that determines the global temperature response ΔT to any gradual increase in RF, ΔF, taking place over an approximately 70 - year time scale, normalized by the ratio of the forcing change to the forcing due to doubling CO2, F2 × CO2: TCR = F2 × CO2 ΔT / ΔF»

Over on the Huffington Post, blogger A. Siegel writes that the «It is cold in my backyard, therefore global warming isn't real» perspective may partly be explained by our difficulty in comprehending something as large and gradual as climate change for, among other reasons,

Looking forward, climate researchers have already predicted a rise in global temperatures to occur over the course of centuries, not the relatively gradual warming which occurred over thousands of years in the case Paleocene - Eocene Thermal Maximum.

Over the past 150 years, the Earth has experienced a gradual warming of about 1 °C (1.8 °F).