Download A Plan for a Research Program on Aerosol Radiative Forcing by National Research Council, Division on Earth and Life PDF

By National Research Council, Division on Earth and Life Studies, Environment and Resources Commission on Geosciences, Panel on Aerosol Radiative Forcing and Climate Change

Panel on Aerosol Radiative Forcing and weather swap, atmosphere and assets fee on Geosciences, department on the earth and lifestyles reviews, nationwide learn Council

This e-book recommends the initiation of an "integrated" examine application to review the function of aerosols within the estimated international weather swap. present figuring out recommend that, even now, aerosols, essentially from anthropogenic assets, should be decreasing the speed of warming attributable to greenhouse fuel emissions. as well as particular study concepts, this e-book forcefully argues for 2 types of learn software integration: integration of the person laboratory, box, and theoretical learn actions and an built-in administration constitution that comprises the entire involved federal businesses.

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Extra resources for A Plan for a Research Program on Aerosol Radiative Forcing and Climate Change

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Because of the much longer residence time of particles at high altitudes, stratospheric aerosol increases typically become nearly global in extent (during the few years following an eruption) for tropical eruptions. Consequently, satellites and remote sensing techniques About this PDF file: This new digital representation of the original work has been recomposed from XML files created from the original paper book, not from the original typesetting files. Page breaks are true to the original; line lengths, word breaks, heading styles, and other typesetting-specific formatting, however, cannot be retained, and some typographic errors may have been accidentally inserted.

Heating of the tropical lower stratosphere resulting from an enhancement of the aerosol layer by volcanic injections leads to a transient, local temperature increase. This has been observed following eruptions of Mt. Agung, El Chichon, and most recently Mt. Pinatubo (IPCC, 1995a). Besides increasing temperature, the heating by aerosols could lead to anomalous upward motion in the lower stratosphere. , 1992). Increases in stratospheric aerosols raise the potential for ozone destruction in the lower stratosphere via heterogeneous reactions on particles (Hoffman and Solomon, 1989).

CLIMATE FORCING BY AEROSOLS 21 well as natural variability. Detection of an unambiguous climatic response to any particular forcing mechanism, such as that resulting from aerosols, has proved to be extremely difficult. It can be asked: to what extent does the observed climate record reflect the effect of possible aerosol forcing? The answer will likely depend on what climate record is considered—namely, what part of the Earth, what period of time, and so forth. The possible options at this point are that an observed climate record is consistent with, inconsistent with, or shows no correlation with an aerosol forcing effect.

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