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CAWCR technical report, 42. Global climate goals for temperature, concentrations, emissions and cumulative emissions
Raupach Mickael R.; Harman Ian N.; Canadell Josep G. - Centre for Australian Weather and Climate Research, 2011There are many different ways of quantifying the broad goal of "avoidance of dangerous human interference with the climate system", including targets for global temperature rise, radiative forcing, greenhouse gas (GHG) concentrations, GHG emissions in particular years, and cumulative GHG emissions ("carbon budgets"). The purpose of this report is to provide relationships between these different statements of a climate goal. Broadly, the approach is to start from target for global temperature increase above preindustrial temperatures (such as two degrees Celsius or any other target, to be met w ...
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Extending atmospheric CO2 and tracer capabilities in ACCESS
Corbin Katherine D.; Law Rachel M. - Centre for Australian Weather and Climate Research, 2011 (CAWCR Technical Report-No. 035)The Australian Community Climate and Earth System Simulator (ACCESS) is a coupled landocean-atmosphere model being developed for a wide variety of applications. One key area of research with ACCESS is the carbon cycle, in particular atmospheric carbon dioxide (CO2) and methane (CH4) concentrations resulting from prescribed surface fluxes. ACCESS derives its atmospheric model from the UK Met Office Unified model (UM), which included both a specific atmospheric CO2 tracer (used for climate-carbon feedback studies) as well as other generic atmospheric tracers, developed for stratospheric transpor ...
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Report of the individual review of the annual submission of Iceland submitted in 2011
UNFCCC, 2011This report covers the in-country review of the 2011 annual submission of Iceland, coordinated by the UNFCCC secretariat, in accordance with decision 22/CMP.1. The review took place from 22 to 28 August 2011 in Reykjavik, Iceland, and was conducted by the following team of nominated experts from the UNFCCC roster of experts: generalist – Mr. Riccardo De Lauretis (Italy); energy – Mr. Norbert Nziramasanga (Zimbabwe); industrial processes – Ms. Valentina Idrissova (Kazakhstan); agriculture – Mr. Etienne Mathias (France); land use, land-use change and forestry (LULUCF) – Mr. Sandro Federici (San ...
Tsunami Strike! Pacific Edition
Tsunami Strike! Pacific Edition is a scenario-based learning experience for kids from middle school through high school (approximate ages 13-17). The scenario tells the story of four main characters at different locations in the Pacific basin who are each impacted by a major tsunami that originates in Alaska’s Aleutian Islands. Over the course of the story, learners not only view the unfolding events and how each of the characters responds, but also observe how warning scientists analyze and communicate the tsunami threat. Fourteen short lessons provide interactive instruction focused on the s ...
Improving conditions - The Global Climate Observing System (GCOS): in Meteorological Technology International, May 2011
The World Meteorological Organization is working in developing countries to improve atmospheric observations for climate change research.
Integrated Assessment of Black Carbon and Tropospheric Ozone
World Meteorological Organization (WMO) ; United Nations Environment Programme (UNEP) - WMO, 2011 (WMO-No. 1073)Scientific evidence and new analyses demonstrate that control of black carbon particles and tropospheric ozone through rapid implementation of proven emission reduction measures would have immediate and multiple benefits for human well-being.Black carbon exists as particles in the atmosphere and is a major component of soot, it has significant human health and climate impacts.
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CAS/JSC WGNE Report, 27. 27th session of the CAS/JSC Working Group on Numerical Experimentation (WGNE-27)
World Meteorological Organization (WMO) ; Intergovernmental Oceanographic Commission (IOC); World Climate Research Programme (WCRP) ; et al. - WMO, 2011
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CAS/JSC WGNE Report, 26. 26th session of the CAS/JSC Working Group on Numerical Experimentation (WGNE-26)
World Meteorological Organization (WMO) ; Jakob Christian; Intergovernmental Oceanographic Commission (IOC); et al. - WMO, 2011
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Blue carbon policy framework 2.0 : based on the discussion of the International Blue Carbon Policy Working Group
Development and implementation of blue carbon-based activities now requires strategic policy and incentive mechanisms to achieve coastal conservation, restoration and sustainable use, and provide disincentives to drain or damage coastal systems. A first effort to develop such a strategic program was set out in the first edition of the Blue Carbon Policy Framework. Based on additional information and current progress a revised Blue Carbon Policy Framework 2.0 has now been developed. It updates the previous version and adds a detailed coordinated program of policy objectives and activities. It o ...
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How urban societies can adapt to resource shortage and climate change
Satterthwaite D. - The Royal Society, 2011The increased pressures on the world’s natural resources and ecological systems in the past century, has been accompanied by rapid urban population growth. Urban centres themselves have ecological reputations since they drive unsustainable environmental change, rapidly increasing the use of fossil fuels and carbon dioxide emissions due to increasing per capita consumption levels. They also lead to high levels of resource use and waste generation, causing serious ecological consequences locally, regionally and globally, especially in terms of climate change. However, addressing the issue of urb ...
Carbon Dioxide and Climate : perspectives on a Scientific Assessment
Many of the findings of the Charney Report on CO2 induced climate change (1979) are still valid, despite 30 additional years of climate research and observations. This paper considers the reasons why the report was so prescient, and assesses the progress achieved since its publication. We suggest that emphasis on the importance of physical understanding gained through the use of theory and simple models, both in isolation and as an aid in the interpretation of the results of General Circulation Models, provided much of the authors’ insight at the time. Increased emphasis on these aspects of re ...
Atmospheric Composition Irreversible Climate Change and Mitigation Policy
World Meteorological Organization (WMO) ; Pierrehumbert Raymond T.; Matthews D.L.; et al. - WMO, 2011The Earth’s atmosphere is changing due to anthropogenic increases of a range of gases and aerosols that influence the planetary energy budget. Policy has long been challenged to ensure that instruments such as the Kyoto Protocol or carbon trading deal with the wide range of lifetimes of these radiative forcing agents. Recent research has sharpened scientific understanding of the differences between various metrics used to compare emissions of different gases; as a result, there has been an improved understanding of how climate system time scales interact with the time scales of the forcing age ...
Greenhouse gas emission trends and projections in Europe 2011 - Tracking progress towards Kyoto and 2020 targets
EEA, 2011This report presents an overview of the progress achieved so far by the EU, its Member States and other EEA member countries towards their respective targets under the Kyoto Protocol and the EU burden-sharing agreement, as well as 2020 targets set at EU level. The assessment is based on greenhouse gas (GHG) emission data in Europe for the period 2008–2010, including recent EEA estimates of proxy 2010 GHG emissions.
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Kyoto City to Reduce Greenhouse Gases by 40% by Fiscal 2030
JFS, 2011Kyoto City passed a proposed ordinance to completely revise the Kyoto City Global Warming Countermeasure Ordinance on September 29, 2010, and promulgated the new ordinance on October 12. The city aims to reduce greenhouse gases (GHGs) by 40 percent compared to 1990 levels by fiscal 2030, and by 25 percent by fiscal 2020.
GAW Report, 195. WMO/GAW Expert Workshop on Global Long-term Measurements of Nitrogen Oxides and Recommendations for GAW Nitrogen Oxides Network
World Meteorological Organization (WMO) ; Gilge S.; Plass-Duelmer C.; et al. - WMO, 2011 (WMO/TD-No. 1570)Nitrogen oxides are a component of a group of reactive gases required to be measured in the GAW Programme. The reactive gases group focuses on gases known to be intimately involved in various aspects of the chemistry of the troposphere and includes surface ozone (O3), carbon monoxide (CO), volatile organic compounds (VOCs), and sulphur dioxide (SO2), as well as oxidized nitrogen species. The sum of nitric oxide (NO) and nitrogen dioxide (NO2) has traditionally been called NOx. The sum of oxidized nitrogen species with an oxidation number >1, both organic and inorganic, is referred to as ...
GAW Report, 194. 15th WMO/IAEA Meeting of Experts on Carbon Dioxyide, other Greenhouse Gases and Related Tracers Measurement Techniques
The 15th WMO/IAEA Meeting of Experts on Carbon Dioxide, Other Greenhouse Gases and Related Tracers Measurement Techniques took place from 7 to 10 September 2009 at the MaxPlanck-Institute for Biogeochemistry in Jena, Germany. The meeting reviewed current WMO data quality objectives, covering such topics as carbon dioxide and other greenhouse gases, stable isotopes, radiocarbon in greenhouse gas measurements, calibration, quality control, data management and archiving. The experts also discussed new and emerging technologies, including measurements of greenhouse gases with high-precision spectr ...
№ 7, ноября 2010 г. - Бюллетень ВМО по Парниковым Газам: Содержание парниковых газов в атмосфере по данным глобальных наблюдений в 2010 г.
BMO, 2011
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京都市、温室効果ガスを2030年度までに1990年度比で40％削減へ
JFS, 2011Le 29 septembre 2010, la ville de Kyoto a adopté un arrêté amendant la totalité des arrêtés concernant les mesures de lutte contre le réchauffement climatique et l'a promu le 12 octobre. La ville a pour objectif une réduction des émissions de gaz à effet de serre de 25% par rapport à 1990 d'ici 2020 et de 40% par rapport à 1990 d'ici 2030
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Ville de Kyoto: vers une réduction de 40% des émissions de gaz à effet de serre par rapport à 1990 avant 2030
JFS, 2011Le 29 septembre 2010, la ville de Kyoto a adopté un arrêté amendant la totalité des arrêtés concernant les mesures de lutte contre le réchauffement climatique et l'a promu le 12 octobre. La ville a pour objectif une réduction des émissions de gaz à effet de serre de 25% par rapport à 1990 d'ici 2020 et de 40% par rapport à 1990 d'ici 2030
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Roll Vortices in the Boundary Layer Caused by a Concave Wind Profile: A Theoretical Study
Atmospheric and Oceanic Science Letters, Volume 3 Number 6. Liu Hui-Zhi; Sang Jian-Guo - Science Press, 2010The present study solves a two-layer atmospheric wave equation model with a lower atmosphere concave wind profile and cold-air outbreak over sea, while simultaneously proving that such a wind shear may cause neutral boundary layer roll vortices in the presence of disturbing sources upstream. Without thermal effects, the wind shear-induced waves have band structures at the top of the boundary layer that are similar to cloud street patterns observed over sea. This study proves that dynamic and thermal effects can act independently to initiate the roll vortices in the lower atmosphere. At the sam ...
1/2010 - Changement climatique et commerce
is an issue of Forum du Commerce international. 2010
1/2010 - Climate change and trade
is an issue of International Trade Forum. International Trade Centre, 2010
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The Observed Low CO2 Concentration in the Rongbuk Valley on the Northern Slope of Mt. Everest
Atmospheric and Oceanic Science Letters, Volume 3 Number 5. Zhou Li-Bo; Ma Shu-Po; Li Peng; et al. - Science Press, 2010In the summers of 2006 and 2007, the atmospheric CO2 concentration and the wind speed in the Rongbuk Valley on the northern slope of Mt. Everest were measured by an ultrasonic anemometer with an Li-7500 CO2/H2O gas analyzer. The average CO2 concentration was 370.23±0.59 and 367.45±1.91 ppm in June of 2006 and 2007, respectively. The values are much lower than those at sites with similar latitudes and altitudes worldwide. The observed atmospheric CO2 concentration in Rongbuk Valley can be affected by the transportation of prevailing down-valley winds from the up-valley direction to the observat ...
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Spatial Distributions of Atmospheric Radiative Fluxes and Heating Rates over China during Summer
Atmospheric and Oceanic Science Letters, Volume 3 Number 5. Yang Da-Sheng; Wang Pu-Cai - Science Press, 2010The latitude-altitude distributions of radiative fluxes and heating rates are investigated by utilizing CloudSat satellite data over China during summer. The Tibetan Plateau causes the downward shortwave fluxes of the lower atmosphere over central China to be smaller than the fluxes over southern and northern China by generating more clouds. The existence of a larger quantity of clouds over central China reflects a greater amount of solar radiation back into space. The vertical gradients of upward shortwave radiative fluxes in the atmosphere below 8 km are greater than those above 8 km. The la ...
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Special issue - Atmospheric brown cloud in the Himalayas
is an issue of Atmospheric Chemistry and Physics (ACP). Copernicus GmbH, 2010
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Analysis of South Asian Monsoons within the Context of Increasing Regional Black Carbon Aerosols
Atmospheric and Oceanic Science Letters, Volume 3 Number 4. Mahmood Rashed; Yao Jin-Feng - Science Press, 2010South Asian monsoons were analyzed within the context of increasing emissions of black carbon (BC) aerosols using a global atmospheric general circulation model. The BC aerosols were allowed to increase only over the south Asian domain to analyze the impacts of regional black carbon over the climatological patterns of monsoons. The black carbon significantly absorbed the incoming short wave radiation in the atmosphere, a result that is consistent with previous studies. Pre-monsoon (March-April-May) rainfall showed positive anomalies, particularly for some coastal regions of India. The summer ( ...
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Interannual Variability of Snow Depth over the Tibetan Plateau and Its Associated Atmospheric Circulation Anomalies
The interannual variability of wintertime snow depth over the Tibetan Plateau (TP) and related atmospheric circulation anomalies were investigated based on observed snow depth measurements and NCEP/NCAR reanalysis data. Empirical orthogonal function (EOF) analysis was applied to identify the spatio-temporal variability of wintertime TP snow depth. Snow depth anomalies were dominated by a monopole pattern over the TP and a dipole structure with opposite anomalies over the southeastern and northwestern TP. The atmospheric circulation conditions responsible for the interannual variability of TP s ...
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Kolmogorov Constants of Atmospheric Turbulence over a Homogeneous Surface
Atmospheric and Oceanic Science Letters, Volume 3 Number 4. Cheng Xue-Ling; Wang Bing-Lan; Hu Fei; et al. - Science Press, 2010In this paper, the authors use ultrasonic data over a homogeneous surface to calculate the Kolmogorov constants of velocity, temperature, CO2, and water vapor. The authors find that the constants are all within the range determined by former experiments and that they are universally independent of the stability.
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Comparisons of Low-Level Circulation Characteristics between ECHAM5/MPI-OM Results and NCEP/NCAR Re-Analysis Data in East Asia
Atmospheric and Oceanic Science Letters, Volume 3 Number 4. Zhao De-Ming; Fu Cong-Bin - Science Press, 2010Regional climate models (RCMs) can provide far more precise information than general circulation models (GCMs). However, RCMs depend on GCM results for re-analysis products providing boundary conditions, especially for future climate scenarios. Meanwhile, the capacity of RCMs to reproduce precipitation is strongly connected to its performance on circulation and moisture transport simulations in the low troposphere, which is the key problem with RCMs at present. In the Regional Climate Model Inter-comparison Project for East Asia (RMIP III), the results of ECHAM5/MPI-OM (the European Centre-Ham ...
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Diapycnal Mixing in Transient Responses of the Atlantic Meridional Overturning Circulation in an Enhanced Freshwater Perturbation Experiment
Atmospheric and Oceanic Science Letters, Volume 3 Number 4. Yu Lei; Gao Yong-Qi; Helge Drange; et al. - Science Press, 2010It has been reported recently that the simulated Atlantic meridional overturning circulation (AMOC) using the coupled Bergen climate model (BCM) showed initial intensity declines followed by gradual recoveries over a 150-year enhanced freshwater input experiment. Stratification-dependent oceanic diapycnal mixing has been hypothesized as a reason for the simulated recovery of the AMOC. This study investigated the role of diapycnal mixing in transient responses of simulated AMOCs. Our results showed that stratification-dependent diapycnal mixing can cause stronger upwelling of deep water in the ...
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The Relationship between Total Ozone and Local Climate at Kunming Using Dobson and TOMS Data
Atmospheric and Oceanic Science Letters, Volume 3 Number 4. Wang Jun; Wang Hui-Jun - Science Press, 2010This paper uses Dobson spectrometer total ozone data, Total Ozone Mapping Spectrometer (TOMS) data and radiosonde reports from Kunming, which is located in southwest China, from 1980 to 2008 to analyze the total ozone-climate relationship. The total ozone decadal long-term trend and abrupt change were studied using enhanced Dobson data whose missing data were amended by the TOMS data. Stepwise linear regression was used for the selection of the key factors that influence total ozone, including temperatures, geopotential heights, depressions of the dew point, wind velocities, and total solar ra ...
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Aerosol Indirect Effects on Warm Clouds in the Grid-Point Atmospheric Model of IAP LASG (GAMIL)
Atmospheric and Oceanic Science Letters, Volume 3 Number 4. Shi Xiang-Jun; Wang Bin; Liu Xiao-Hong; et al. - Science Press, 2010Aerosol indirect effects on warm clouds are estimated in the Grid-point Atmospheric Model of IAP LASG (GAMIL) with a new two-moment cloud microphysics scheme using two different physically-based aerosol activation parameterizations: Abdul-Razzak and Ghan, and Nenes and Seinfeld. The annual global mean changes in shortwave cloud forcing from preindustrial times to present day (a measure of the aerosol indirect effects) estimated from these two parameterizations are remarkably similar: 0.76 W m-2 with the Abdul-Razzak and Ghan parameterization, and 0.78 W m-2 with the Nenes and Seinfeld paramete ...
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Volume 3 Number 4 - 16 July 2010
is an issue of Atmospheric and Oceanic Science Letters. Science Press, 2010
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Cloud effects on erythemal UV radiation in a complex topography
Walker Daniel - Confédération Suisse, 2010UV radiation is part of the solar spectrum with wavelengths between 100 and 400 nm. In this study, erythemal UV is investigated; a measure directly related to the harmfulness of
solar radiation to our skin. UV radiation has important impacts on di?fferent ecosystems, life and also on public health. Therefore, detailed information about the spatial distribution of UV radiation and its temporal evolution is required. Since observations are spatially and temporally sparse, these issues are often approached by radiative transfer modeling. These models perform well for simulating UV radiatio ...
GAW Report, 189. Report of the MACC/GAW Session on the Near-Real-Time Delivery of the GAW Observations of Reactive Gases
World Meteorological Organization (WMO) ; Penkett Stuart; Schultz M.; et al. - WMO, 2010 (WMO/TD-No. 1527)
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CAS/JSC WGNE Report, 25. Report of the twenty-fifth session of the CAS/JSC Working Group on Numerical Experimentation (WGNE)
World Meteorological Organization (WMO) ; International Council for Science (ICSU); Intergovernmental Oceanographic Commission (IOC) - WMO, 2010 (WMO/TD-No. 1524)
Climate, Carbon and Coral Reefs
World Meteorological Organization (WMO) ; Convention on Biological Diversity (CBD) - WMO, 2010 (WMO-No. 1063)This brochure summarizes the CO2 threat to coral reefs, the science supporting projections and the solutions that are needed to prevent the loss of one of the world’s natural wonders.
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