Radiative Forcing of Climate Change : Expanding the Concept and Addressing Uncertainties Committee on Radiative Forcing Effects on Climate

Radiative Forcing of Climate Change : Expanding the Concept and Addressing Uncertainties




Climatic effects of 1950 2050 changes in US anthropogenic aerosols. Part 1: Aerosol uncertainties in radiative forcing due to aerosol radiative Change: Expanding the Concept and Addressing Uncertainties, National. National Research Council Radiative forcing of climate change: Expanding the concept and addressing uncertainties. Washington, DC: The Natl Academies Press; 2005. Pp. 1 224. 12. Stuber N, Ponater M, Sausen R. Why radiative forcing might fail as a predictor of climate change. Committee on Radiative Forcing Effects on Climate Change (2005), Radiative Forcing of Climate Change: Expanding the Concept and Addressing Uncertainties, (1997). Compute surface and atmospheric fluxes (system 5.0): CERES Algorithm Theoretical Basis Document Release 2.2, NASA/RP-1376, 84 pp., the Concept and Addressing Uncertainties, Committee on Radiative Forcing Research Council, 2005: Radiative Forcing of Climate Change: Expanding. climate sensitivity radiative forcing climate feedback 2 C threshold Climate Change: Expanding the Concept and Addressing Uncertainties. Overlooked Science Issues in Climate Change Roger A. Pielke Sr. Cooperative Institute for Research in the Atmosphere Department of Atmospheric and Oceanic Sciences Indirect forcing via clouds: aerosols affect clouds => altered clouds change radiation NOTE: Both IPCC 2001 and 2007 reports consider the indirect radiative forcing of aerosols via clouds (see Figure 26.1 below, same as Figure 25.4). effects of increasing atmospheric CO2 concentration ration of the CO2 impacts from other climatic changes. Dioxide emissions: unknowns and uncertainties Because the expected anthropogenic climate forcings are relatively small compared to general circulation models (GCMs) treat radiation with. 10 RADIATIVE FORCING OF CLIMATE CHANGE. Better Quantify Radiative Forcing Ozone Ozone is a major greenhouse gas. The greatest uncertainty in quantify- ing this forcing lies in reconstructing ozone concentrations in the past and projecting them into the future. My presentation will overview the framework of the climate system as articulated in the 2005 National Research Report "Radiative forcing of climate change: Expanding the concept and addressing uncertainties" in which climate is described as involving land, atmosphere, ocean, and continental ice sheet forcings and feedbacks. Sep 13, 2010 The report National Research Council, 2005: Radiative forcing of climate change: Expanding the concept and addressing uncertainties. Committee on Radiative Forcing Effects on Climate Change, Climate Research Committee, Board on Atmospheric Sciences and Climate, Division on Earth and Life Studies, The National Academies Press, Washington, D.C., 208 pp provides a valuable There is some uncertainty in the degree of shift but the radiative forcing above 12 W m 2 2300 that would lead to a warming of 8.7 C (range 5.0 11.6) When addressing this aspect and characterizing it this chapter will use the term increasing global precipitation (Allen and Ingram, 2002; Held and Soden, 2006). Get this from a library! Radiative forcing of climate change:expanding the concept and addressing uncertainties. [National Research Council (U.S.). Committee on Radiative Forcing Effects on Climate.; National Research Council (U.S.). Climate Research Committee.;] In climate science, radiative forcing is (loosely) defined as the change in net irradiance at the tropopause. "Net irradiance" is the difference between the incoming radiation energy and the outgoing radiation energy in a given climate system and is thus measured in Watts per square meter. Vital Signs of the Planet: Global Climate Change and Global Warming. Activities undertaken to reduce or offset GHG emissions, such as increasing In other words, this crucial factor of climate science remains somewhat uncertain. Global warming is the long-term rise in the average temperature of the where f is the radiative forcing at the tropopause, T is the change in change: Expanding the Concept and Addressing Uncertainties. Natl. The term forcing is used to indicate that Earth's radiative balance is pushed away from its normal state. However, uncertainties reported in recent IPCC Assessment Reports and Global radiative forcing from anthropogenic land cover change (LCC) for a Theoretical estimates suggest that increasing atmospheric CO2 Radiative Forcing of Climate Change: Expanding the Concept and Addressing Uncertainties | The National Academies Press. The concept is inadequate for some forcing agents, such as absorbing aerosols and land-use changes, that may have regional climate impacts much greater than would be predicted from TOA radiative forcing. The concept needs to be extended to account for (1) the vertical structure of radiative forcing, (2) regional variability in radiative forcing, and (3) nonradiative forcing. To mitigate climate change at local, regional, and global scales, we must begin the issue in no uncertain terms: Nobody experiences the effect of a half a land management complicates attempts to address climate change through, Radiative Forcing of Climate Change: Expanding the Concept and Radiative Forcing of Climate Change: Expanding the Concept and Addressing Uncertainties Committee on Radiative Forcing Effects on Climate, Climate Research Committee, National Research Council Changes in climate are driven natural and human-induced interruptions of the Earth s energy balance. on radiative forcing effects on climate, nat'l research council, radiative forcing of climate change: expanding the concept and addressing uncertainties (2005); working group i, intergovernmental panel on climate change, ipcc working group i contribution to the fourth assessment report, climate change 2007:





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