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In 2015, the Carbon Cycle Interagency Working Group (CCIWG), via the U.S. Carbon Cycle Science Program, initiated plans for the 2nd State of the Carbon Cycle Report (SOCCR-2) as a follow-up to the 1st SOCCR (2007) which was a Special Assessment Product (SAP 2.2) of USGCRP’s 2nd National Climate Assessment (NCA), and as a product of the Sustained National Climate Assessment. Led by the CCIWG, under USCGRP auspices and with USDA as the administrative lead, this federal interagency report is currently in development and estimated to be published in December 2017.
The focus of SOCCR-2 is on the scientific understanding of U.S. and North American carbon cycle stocks and fluxes, in the context of and interactions with global scale budgets and climate change impacts in managed and unmanaged systems. Carbon stocks and fluxes in soils, water (including oceans), vegetation, aquatic-terrestrial interfaces (coastal/ estuaries/ wetlands), human settlements, agriculture, forestry etc. are included.
Relevant carbon management science perspectives and support tools for supporting decisions, as addressed in and related to the US Carbon Cycle Science Plan (2011) and U.S. National Climate Assessment, USGCRP 2012-2021 Strategic Plan and Global Change Research Act (GCRA) of 1990 will are included in this assessment. In addition to identifying uncertainties, rising opportunities for improving measurements and projections in the carbon cycle are be identified.
Federal Register Notice (February 12, 2016)
30-day Federal Register Notice (FRN) (released on February 12, 2016) by USDA-NIFA, on behalf of the CCIWG and USGCRP, is available here.
The PDF of the FRN is available here. The deadline for submission of nominations for contributors, technical input and comments on the prospectus was March 14, 2016.
Presentation slides from AGU 2016 (for info on report development process and team composition, including report leads)
List of report contributors, including chapter leads (as of January 2017)
In addition to the above section, details on prior CCIWG-led SOCCR-2 public engagement and outreach events and related opportunities can be accessed via the chronological list of public announcements below.
The 2nd State of the Carbon Cycle Report (SOCCR-2): Assessing the Last Decades' Science of the Carbon Cycle across North America and Adjacent Oceans
Submit author nominations, technical input and comments on the draft prospectus.....
This 1-day public forum will present an opportunity for interested parties and stakeholders to provide individual input on proposed SOCCR-2 themes.
December 2015 AGU San Francisco sessions, February 2016 Washington DC Public Forum.....
... opportunities for the greater geophysical community to learn about and provide feedback on the 2nd State of the Carbon Cycle Report (SOCCR-2) that we are in the process of planning...
Participants learned about the USGCRP annual research prioritization process as well as partnerships and opportunities....
The US Carbon Cycle Science Program is organizing a special session 'Carbon Cycle Science at the Frontier of Global Change: A Coordinated Effort Among Federal Agencies'.....
Abstracts informing and related to this Special Scientific Assessment of the Current Status and Opportunities in carbon cycle science across terrestrial, atmospheric and oceanic systems are requested....
The CCIWG will meet with the CCSSG for individual input on carbon cycle science needs and opportunities......
The carbon cycle chapter of the Strategic Plan for the U.S. Climate Change Science Program describes a vision to publish a series of government products on the status and trends of carbon emission and sequestration. The first of these reports, the State of the Carbon Cycle Report (SOCCR), was released by the US Climate Change Science Program (now the USGCRP) on November 13, 2007.
The 2003 Terms of Reference for the first SOCCR (2007), prepared by the Carbon Cycle Interagency Working Group and in consultation with the Carbon Cycle Scientific Steering Group, envisioned a report designed to provide accurate, unbiased, and policy-relevant scientific information concerning the carbon cycle to a broad range of stakeholders. The SOCCR Coordinating Team focused on (1) summarizing our knowledge of carbon cycle properties and changes relevant to the contributions of and impacts upon the U.S. and the rest of the world, and (2) providing scientific information for U.S. decision support focused on key issues for carbon management and policy. The report depends on results from comprehensive and informative programs, such as the North American Carbon Program and Ocean Carbon and Climate Change Program, and demands a global perspective, integrating information from studies on land and in the atmosphere and oceans around the world. The expected audience includes researchers, decision makers in the public and private sectors and the public. The Executive Summary is available here.
March 2007 version of SOCCR/SAP 2.2, March 2007 revision of government review draft
January 2007 version of SOCCR/SAP 2.2, government review draft
September 2006 version of SOCCR/SAP 2.2, CCSP public review draft
May 2006 version of SOCCR/SAP 2.2, submitted for technical/peer review
Draft Prospectus for Synthesis and Assessment Product (SAP) 2.2 (March 7, 2005)
The SOCCR Outline (as of November, 2004)