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Toby Garfield, NOAA Southwest Fisheries Science Center
Toby Garfield, NOAA Southwest Fisheries Science Center

... MEI: Multivariate El Niño Index indicating interannual variability of temperature The three indices are suggesting that at the end of 2013 there occurred a transition from favorable productivity conditions to generally low productivity conditions! ...
Lecture 1: Understanding the Greenhouse Lecture 1
Lecture 1: Understanding the Greenhouse Lecture 1

... amazingly immature. H2O vapor absorbs more radiated power than CO2 but no efforts are made to control “rain”. Why? Clearly the actions proposed are full of political agendas. I view this to be somewhat of fear mongering, albeit well intentioned, an attempt to motivate what is truly justified action. ...
Detection and attribution of climate change for the
Detection and attribution of climate change for the

... ensemble of simulated trends has been calculated from nonoverlapping periods of length n in the period 2001-2060. The climate models were driven by the emission scenarios RCP4.5 (CMIP5) and A1B (CMIP3). The inset shows an expanded view of the range 0% to 2% von Storch, H. A. Barkhordarian, K. Hassel ...
Climate change tendencies in Georgia under global warming
Climate change tendencies in Georgia under global warming

... Height M ...
Global Temperature Change
Global Temperature Change

... decreased until 1960, in spite of an increase in CO2 emissions. On the other hand, solar activity tracks Arctic temperature well, Figure 1 (bottom). Bond (2001) states, “···over the last 12,000 years virtually every centennial time-scale increase in drift ice documented in our North Atlantic records ...


... Mexico is recognized worldwide as a megadiverse country in ecosystems and cultures. What is not known is that the most conserved areas of nature coincide with the territories of the most intact ethnic groups today. The relation man-nature on these sites is much closer than we might think, because th ...
ppt
ppt

... “The role of the IPCC is to assess on a comprehensive, objective, open and transparent basis the scientific, technical and socioeconomic information relevant to understanding the scientific basis of risk of human-induced climate change, its potential impacts and options for adaptation and mitigation ...
Patterns of Regional Climate Change
Patterns of Regional Climate Change

... to a uniform 2°C increase in sea surface temperature (top), and the change in the GFDL coupled model run that includes the spatial pattern in ocean warming (bottom). Xie and his colleagues identified several characteristic regional patterns of warming and rainfall change in the simulations. First, t ...
Detection and attribution of climate change for the Baltic Sea Region
Detection and attribution of climate change for the Baltic Sea Region

... ensemble of simulated trends has been calculated from nonoverlapping periods of length n in the period 2001-2060. The climate models were driven by the emission scenarios RCP4.5 (CMIP5) and A1B (CMIP3). The inset shows an expanded view of the range 0% to 2% von Storch, H. A. Barkhordarian, K. Hassel ...
Climate Change and Cocoa Output: Evidence from CCR
Climate Change and Cocoa Output: Evidence from CCR

... are two closely related threats facing mankind (Human Induced). Climate change due to anthropogenic factors has shown that the globe is warming (Odingo, 2009, IPCC, 2007). Studies have shown that the trend is accelerating such that the average temperature is rising at 0.20C every decade (IPCC, 2007 ...
Climate Change Talk
Climate Change Talk

... How do we know that the increase in CO2 is not a natural increase? First of all we know that one of the results of the combustion of fossil fuels is CO2 and we know that we are burning a lot of fossil fuels. Second, we can study the composition of the atmosphere and the type of CO2 isotopes that ...
Gore Shares Peace Prize for Climate Change Work
Gore Shares Peace Prize for Climate Change Work

... is awarded in Oslo, while the others are awarded by various academies in Sweden.) But a number of recent winners have expressed their opposition to Bush administration policies. The 2005 literature winner, the British playwright Harold Pinter, turned his Nobel address into a blistering indictment of ...
4-NaomiOreskes2
4-NaomiOreskes2

... If the evidence of global warming is scientific evidence (analysis of temperature records, simulation models, ice cores, CO2 measurements), and if scientists are still arguing about it, then how can it be factual? ...
alpine tundra - University of Colorado Boulder
alpine tundra - University of Colorado Boulder

... 1987 – 2006, the same climate type covered only 336 4-km pixels—a decline in area coverage of about 73%. [9] The U.S. Climate Change Science Program recently took up the question of whether there was agreement between observations and climate model simulations on the nature of temperature changes at ...
Questioning the Global Warming Science: An Annotated
Questioning the Global Warming Science: An Annotated

... This Document presents an annotated bibliography of selected peer-reviewed papers which question the current state of the Global Warming science. Seven major areas of the Global Warming science are identified and followed by a list of key papers questioning the present assessment. ...
Frequently Asked Questions about Global Warming
Frequently Asked Questions about Global Warming

... Meteorological Organization set up the Intergovernmental Panel on IPCC Highlights-Climate Science Climate Change (IPCC) to examine the most current scientific information IPCC Backgrounder on global warming and climate change. More than 1,250 authors and 2,500 scientific experts reviewers from more ...
File - wedgwood science
File - wedgwood science

... and several other greenhouse gases have increased significantly over the last 200 years. Several kinds of data suggest this increase is due to the burning of fossil fuels, combined with the cutting and burning of forests worldwide. These activities add carbon dioxide to the atmosphere faster than th ...
Lesson 2 Planning
Lesson 2 Planning

... last period of the Mesozoic era, the cretaceous, was marked by the rapid rise and spread of deciduous trees, by shallow seas submerging most of the eath’s present land surface, and by dinosaurs- swhich became extinct afte this period. Pleistocene (10kya – 1.6 Mya)- the geological period, which toget ...
General
General

... warming of about 20°F occurred. Soon thereafter, temperatures dropped abruptly about 11°F and temperatures remained cold for several thousand years but oscillated between about 5°F warmer and cooler. 2. About 15,000 years ago, a sudden, intense, climatic warming (about 21°F, ~12° C;) caused dramatic ...
(Australia) press release (English, 18 August 2015) - PAGES
(Australia) press release (English, 18 August 2015) - PAGES

... atmosphere, the oceans can absorb an incredible amount of heat. With this research, we now have new insight into the global sea surface temperature variations that came before man-made greenhouse gas forcing,” Dr McGregor said. In an additional finding the researchers discovered that a period of coo ...
Investigating the footprint of climate change on phenology and
Investigating the footprint of climate change on phenology and

... climatological and biological data • Global temperatures have increased by 0.74°C ± 0.18°C over the past 100 years (1906-2005) – Some regions experience locally greater warming (IPCC 2007) – Along with this average increase in temperature, extreme weather events including extreme heat have become mo ...
Minority Report
Minority Report

... Expanding the Radiative Forcing Concept Despite all these advantages, the traditional global mean TOA radiative forcing concept has some important limitations, which have come increasingly to light over the past decade. The concept is inadequate for some forcing agents, such as absorbing aerosols a ...
HOVO
HOVO

... Maybe a little anecdote may help clarify my point. In the 1990s I was involved with an international research programme CLIVAR, which stands for Climate Variability and Predictability. The objectives of this programme were to UNDERSTAND and PREDICT climate TO THE EXTENT POSSIBLE. I attended many mee ...
What is the Greenhouse Effect
What is the Greenhouse Effect

... The Average Global Temperature is Increasing Quickly Today, the increase in the Earth's temperature is increasing with unprecedented speed. To understand just how quickly global warming is accelerating, consider this: ...
Fact Sheet - Climate Change 2013
Fact Sheet - Climate Change 2013

... comprehensive assessment of the physical science of climate change according to the approved chapter outlines. There were 209 Lead Authors and 50 Review Editors. More than 600 additional experts were invited by the Lead Authors of the report to be Contributing Authors and to provide additional speci ...
< 1 ... 53 54 55 56 57 58 59 60 61 ... 73 >

North Report

The North Report was a 2006 report evaluating reconstructions of the temperature record of the past two millennia, providing an overview of the state of the science and the implications for understanding of global warming. It was produced by a National Research Council committee, chaired by Gerald North, at the request of Representative Sherwood Boehlert as chairman of the U.S. House of Representatives Committee on Science.These reconstructions had been dubbed ""hockey stick graphs"" after the 1999 reconstruction by Mann, Bradley and Hughes (MBH99), which used the methodology of their 1998 reconstruction covering 600 years (MBH98). A graph based on MBH99 was featured prominently in the 2001 IPCC Third Assessment Report (TAR), and became a focus of the global warming controversy over the 1997 Kyoto Protocol. It was disputed by various contrarians, and in the politicisation of this hockey stick controversy the New York Times of 14 February 2005 hailed a paper by businessman Stephen McIntyre and economist Ross McKitrick (MM05) as undermining the scientific consensus behind the Kyoto agreement. On 23 June 2005, Rep. Joe Barton, chairman of the House Committee on Energy and Commerce, with Ed Whitfield, Chairman of the Subcommittee on Oversight and Investigations, wrote joint letters referring to issues raised by the Wall Street Journal article, and demanding that Mann, Bradley and Hughes provide full records on their data and methods, finances and careers, information about grants provided to the institutions they had worked for, and the exact computer codes used to generate their results. Boehlert said this was a ""misguided and illegitimate investigation"" into something that should properly be under the jurisdiction of the Science Committee, and in November 2005 after Barton dismissed the offer of an independent investigation organised by the U.S. National Academy of Sciences, Boehlert requested the review, which became the North Report.The North Report went through a rigorous review process, and was published on 22 June 2006. It concluded ""with a high level of confidence that global mean surface temperature was higher during the last few decades of the 20th century than during any comparable period during the preceding four centuries"", justified by consistent evidence from a wide variety of geographically diverse proxies, but ""Less confidence can be placed in large-scale surface temperature reconstructions for the period from 900 to 1600"". It broadly agreed with the basic findings of the original MBH studies, which subsequently been supported by other reconstructions and proxy records, while emphasising uncertainties over earlier periods. The principal component analysis methodology that McIntyre and McKitrick had contested had a small tendency to bias results so was not recommended—but it had little influence on the final reconstructions, and other methods produced similar results.
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