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CARBON CYCLE : Fertilizing change
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Carbon cycle–climate feedbacks are expected to diminish the size of the terrestrial carbon sink over the next century. Model simulations suggest that nitrogen availability is likely to play a key role in mediating this response.
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Climate Science Documents
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U.S. Global Change Research Program
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The U.S. Global Change Research Program (USGCRP) is a federal program mandated by Congress to coordinate federal research and investments in understanding the forces shaping the global environment, both human and natural, and their impacts on society. USGCRP facilitates collaboration and cooperation across its 13 federal member agencies to advance understanding of the changing Earth system and maximize efficiencies in federal global change research.
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The Hot Summer of 2010: Redrawing the Temperature Record Map of Europe
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The summer of 2010 was exceptionally warm in eastern
Europe and large parts of Russia. We provide evidence
that the anomalous 2010 warmth that caused adverse
impacts exceeded the amplitude and spatial extent of the
previous hottest summer of 2003. 'Mega-heatwaves' such
as the 2003 and 2010 events broke the 500-yr long
seasonal temperature records over approximately 50% of
Europe. According to regional multi-model experiments,
the probability of a summer experiencing 'megaheatwaves'
will increase by a factor of 5 to 10 within the
next 40 years. However, the magnitude of the 2010 event
was so extreme that despite this increase, the occurrence
of an analogue over the same region remains fairly
unlikely until the second half of the 21st century.
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Climate Science Documents
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1.5°C or 2°C: a conduit’s view from the science-policy interface at COP20 in Lima, Peru
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An average global 2°C warming compared to pre-industrial times is commonly understood as the most important target in climate policy negotiations. It is a temperature target indicative of a fiercely debated threshold between what some consider acceptable warming and warming that implies dangerous anthropogenic interference with the climate system and hence to be avoided. Although this 2°C target has been officially endorsed as scientifically sound and justified in the Copenhagen Report issued by the 15th Conference of the Parties (COP) of the United Nations Framework Convention on Climate Change (UNFCCC) in 2009, the large majority of countries (over two-thirds) that have signed and ratified the UNFCCC strongly object to this target as the core of the long-term goal of keeping temperatures below a certain danger level. Instead, they promote a 1.5°C target as a more adequate limit
for dangerous interference. At COP16 in Cancun, parties to the convention recognized the need to consider strengthening the long-term global goal in the so-called 2013–2015 Review, given improved scientific knowledge, including the possible adoption of the 1.5°C target. In this perspective piece, I examine the discussions of a structured expert dialogue (SED) between selected Intergovernmental Panel on Climate Change (IPCC) authors, myself included, and parties to the convention to assess the adequacy of the long-term goal. I pay particular attention to the uneven geographies and power differentials that lay behind the ongoing political debate regarding an adequate target for protecting ecosystems, food security, and sustainable development.
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Climate Science Documents
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Climate and Conservation Coffee
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Join others in the Triangle area landscape conservation and climate change community for coffee and conversation on the 1st Thursday of each month at 9 am. In June, let’s meet at Cup a Joe in Mission Valley shopping center, probably at one of the outside tables. This is a new format for what used to be the Triangle Climate and Landscape Researchers’ Brown Bag lunch
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Events
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NASA, NOAA Analyses Reveal Record-Shattering Global Warm Temperatures in 2015
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Earth’s 2015 surface temperatures were the warmest since modern record keeping began in 1880, according to independent analyses by NASA and the National Oceanic and Atmospheric Administration (NOAA).
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Greenhouse Gases in Agriculture and Forests
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Dr. Grant Domke and Dr. Charles W. Rice discuss trends in GHG emissions over time, U.S. land sector GHG emissions and removals, the GHG emission intensity of agricultural commodities, and opportunities to reduce emissions and enhance soil carbon sequestration.
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Webinars
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Delaware Department of Natural Resources and Environmental Control
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The Department of Natural Resources and Environmental Control (DNREC) envisions a Delaware that offers a healthy environment where people embrace a commitment to the protection, enhancement and enjoyment of the environment in their daily lives; where Delawareans’ stewardship of natural resources ensures the sustainability of these resources for the appreciation and enjoyment of future generations; and where people recognize that a healthy environment and a strong economy support one another.
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National Aeronautics and Space Administration (NASA)
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The National Aeronautics and Space Administration is America’s civil space program and the global leader in space exploration. The agency has a diverse workforce of just under 18,000 civil servants, and works with many more U.S. contractors, academia, and international and commercial partners to explore, discover, and expand knowledge for the benefit of humanity.
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Introduction to the Climate Change Vulnerability Assessment Research Project
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Climate change adaptation and mitigation strategies are dependent on the best available projections of how climate will change and impact a region’s natural and cultural resources. Understanding the vulnerability of various species and habitats within the Appalachian LCC to climate change is of critical importance. Identifying the most appropriate steps to acquire climate vulnerability information and then using this information to inform adaptation and mitigation strategies is a major research priority of the LCC.
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Vulnerability
