Download e-book for iPad: A Plan for a Research Program on Aerosol Radiative Forcing by National Research Council, Division on Earth and Life

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

ISBN-10: 030905429X

ISBN-13: 9780309054294

Panel on Aerosol Radiative Forcing and weather switch, surroundings and assets fee on Geosciences, department on the earth and existence reports, nationwide study Council

This ebook recommends the initiation of an "integrated" learn application to review the position of aerosols within the anticipated worldwide weather switch. present realizing recommend that, even now, aerosols, essentially from anthropogenic resources, might be lowering the speed of warming because of greenhouse fuel emissions. as well as particular learn techniques, this ebook forcefully argues for 2 forms of study application integration: integration of the person laboratory, box, and theoretical study actions and an built-in administration constitution that contains the entire involved federal companies.

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

Sample text

A general circulation model (GCM) investigation of the climatic impact from the 1991 Mt. , 1992), predicted a transient cooling, maximum amplitude, and temporal evolution agreeing reasonably well with observations. 5°C. , 1993). 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).

Please use the print version of this publication as the authoritative version for attribution. 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.

1993). , 1993). 5. A number of studies present data indicating the sensitivity of cloud droplet number concentration to increase in aerosol concentrations. These include Warner and Twomey (1967), Pueschel et al. (1986), Gillani et al. 1 Enhancing the concentration of CCN does not always lead to higher cloud drop concentrations. Similarly, enhancing cloud drop concentrations does not always lead to increased liquid water contents and cloud albedos. For example, high industrial emissions of CCN can actually lead to increases in rainfall and subsequent cloud dispersion (cf.

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A Plan for a Research Program on Aerosol Radiative Forcing and Climate Change by National Research Council, Division on Earth and Life Studies, Environment and Resources Commission on Geosciences, Panel on Aerosol Radiative Forcing and Climate Change


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