human-produced greenhouse gases

Climate change readily explainable by human activity
Submitted by pbtrue1 on Sun, 05/11/2008 - 11:27am.

These CCSP products will be U.S. Government reports, subject to the provisions of the Information Quality Act (Section 515 of the Treasury and General Government Appropriations Act of 2001) and the Federal Advisory Committee Act Amendments of 1997 [P.L. 105-153, Sec. 2(A), (B), Dec. 17, 1997, 111 Stat. 2689].

Gov study sez: Climate change readily explainable by human activity

Strategic Plan for the U.S. Climate Change Science Program was published in 2003. It focuses on five overall CCSP goals and a set of interdisciplinary and interagency research elements focusing on crucial components and interactions within the Earth system. In addition, the plan details plans for cross-cutting issues of modeling, observations and data management, communications, international cooperation, and program management.A similar structure is mirrored in
each..

Our Changing Planet produced under the plan. Editions of
Our Changing Planet since FY 2007 include a section entitled “Analysis of Progress towards Goals”.

http://www.usgcrp.gov/usgcrp/Library/ocp2008/ocp2008-analysis.htm
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This study also found that future greenhouse gas increases would produce similar ozone increases.6 The second study found that doubling of carbon dioxide (CO2) caused a strengthening of the circulation responsible for the global distribution of ozone. The results of this study reveal that total ozone will increase at high latitudes of the Northern and Southern Hemispheres, and decrease in the Tropics.7

In the past decade, measurements from a variety of platforms, including satellites and ocean buoys, show warming in the top layers of the ocean, with strong evidence that the warming is due to increases in human-produced greenhouse gases.1 Ocean heat storage is the largest component of the Earth’s climate system for storing the energy imbalance between the sources and sinks of thermal energy. Even though the methods of observations are quite different, the matching magnitude and annual variability of the satellite-derived energy imbalance and the ocean heat storage is considered to be quite remarkable and lends confidence to the interpretation of the underlying climate process.8
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www.cara.psu.edu

Consortium for Atlantic Regional Assessment (CARA), which is providing data and tools to help decisionmakers understand how outcomes of their decisions could be affected by potential changes in both climate and land use. On an interactive, user-friendly web site, CARA has organized data on climate (historical records and future projections from seven global climate models), land cover, and socioeconomic and environmental variables to help inform local and regional decisionmakers.
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Understanding Aerosol Forcing and Interactions with Clouds and Non-CO2 Trace Gases.

The key objectives of this set of activities are to quantify the effects of atmospheric aerosols (tiny airborne particles) on radiation and on clouds, to quantify the modification of the radiation balance by non-CO2 greenhouse gases, and to quantify the influence of the chemistry of the lower atmosphere on both aerosols and non-CO2 greenhouse gases.
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Up-to-date information on the status of all SAPs can be obtained from www.climatescience.gov/Library/sap, including information on opportunities for public comment on draft products. A listing of each of the 21 synthesis and assessment products by CCSP goal is provided in Chapter 7 of this report.