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6 results on '"Heikkila, Anu"'

1. Real-time UV index retrieval in Europe using Earth observation-based techniques: system description and quality assessment

Author

Kosmopoulos, Panagiotis G. Kazadzis, Stelios Schmalwieser, Alois W. Raptis, I, Panagiotis Papachristopoulou, Kyriakoula and Fountoulakis, Ilias Masoom, Akriti Bais, Alkiviadis F. and Bilbao, Julia Blumthaler, Mario Kreuter, Axel Siani, Anna Maria Eleftheratos, Kostas Topaloglou, Chrysanthi Groebner, Julian Johnsen, Bjorn Svendby, Tove M. Vilaplana, Jose Manuel Doppler, Lionel Webb, Ann R. Khazova, Marina De Backer, Hugo Heikkila, Anu Lakkala, Kaisa Jaroslawski, Janusz Meleti, Charikleia Diemoz, Henri Huelsen, Gregor and Klotz, Barbara Rimmer, John Kontoes, Charalampos

Abstract

This study introduces an Earth observation (EO)-based system which is capable of operationally estimating and continuously monitoring the ultraviolet index (UVI) in Europe. UVIOS (i.e., UV-Index Operating System) exploits a synergy of radiative transfer models with high-performance computing and EO data from satellites (Meteosat Second Generation and Meteorological Operational Satellite-B) and retrieval processes (Tropospheric Emission Monitoring Internet Service, Copernicus Atmosphere Monitoring Service and the Global Land Service). It provides a near-real-time nowcasting and short-term forecasting service for UV radiation over Europe. The main atmospheric inputs for the UVI simulations include ozone, clouds and aerosols, while the impacts of ground elevation and surface albedo are also taken into account. The UVIOS output is the UVI at high spatial and temporal resolution (5 km and 15 min, respectively) for Europe (i.e., 1.5 million pixels) in real time. The UVI is empirically related to biologically important UV dose rates, and the reliability of this EO-based solution was verified against ground-based measurements from 17 stations across Europe. Stations are equipped with spectral, broadband or multi-filter instruments and cover a range of topographic and atmospheric conditions. A period of over 1 year of forecasted 15 min retrievals under all-sky conditions was compared with the ground-based measurements. UVIOS forecasts were within +/- 0.5 of the measured UVI for at least 70 % of the data compared at all stations. For clear-sky conditions the agreement was better than 0.5 UVI for 80 % of the data. A sensitivity analysis of EO inputs and UVIOS outputs was performed in order to quantify the level of uncertainty in the derived products and to identify the covariance between the accuracy of the output and the spatial and temporal resolution and the quality of the inputs. Overall, UVIOS slightly overestimated the UVI due to observational uncertainties in inputs of cloud and aerosol. This service will hopefully contribute to EO capabilities and will assist the provision of operational early warning systems that will help raise awareness among European Union citizens of the health implications of high UVI doses.

Published
2021

2. The success of the Montreal Protocol in mitigating interactive effects of stratospheric ozone depletion and climate change on the environment

Author

Barnes, Paul W., Bornman, Janet F., Pandey, Krishna K., Bernhard, Germar H., Bais, Alkiviadis F., Neale, Rachel E., Robson, Thomas Matthew, Neale, Patrick J., Williamson, Craig E., Zepp, Richard G., Madronich, Sasha, Wilson, Stephen R., Andrady, Anthony L., Heikkila, Anu M., Robinson, Sharon A., Canopy Spectral Ecology and Ecophysiology, Viikki Plant Science Centre (ViPS), Biosciences, and Organismal and Evolutionary Biology Research Programme

Subjects
stratospheric ozone, ultraviolet radiation, climate change, UV-B, Montreal Protocol, ecosystems, human health, sustainability, 1172 Environmental sciences
Abstract

The Montreal Protocol and its Amendments have been highly effective in protecting the stratospheric ozone layer, preventing global increases in solar ultraviolet-B radiation (UV-B; 280-315 nm) at Earth's surface, and reducing global warming. While ongoing and projected changes in UV-B radiation and climate still pose a threat to human health, food security, air and water quality, terrestrial and aquatic ecosystems, and construction materials and fabrics, the Montreal Protocol continues to play a critical role in protecting Earth's inhabitants and ecosystems by addressing many of the United Nations Sustainable Development Goals. Non

Published
2021

3. Ozone depletion, ultraviolet radiation, climate change and prospects for a sustainable future

Author

Barnes, Paul W., Williamson, Craig E., Lucas, Robyn M., Robinson, Sharon A., Madronich, Sasha, Paul, Nigel D., Bornman, Janet F., Bais, Alkiviadis F., Sulzberger, Barbara, Wilson, Stephen R., Andrady, Anthony L., McKenzie, Richard L., Neale, Patrick J., Austin, Amy T., Bernhard, Germar H., Solomon, Keith R., Neale, Rachel E., Young, Paul J., Norval, Mary, Rhodes, Lesley E., Hylander, Samuel, Rose, Kevin C., Longstreth, Janice, Aucamp, Pieter J., Ballare, Carlos L., Cory, Rose M., Flint, Stephan D., de Gruijl, Frank R., Haeder, Donat-P, Heikkila, Anu M., Jansen, Marcel A. K., Pandey, Krishna K., Robson, T. Matthew, Sinclair, Craig A., Wangberg, Sten-Ake, Worrest, Robert C., Yazar, Seyhan, Young, Antony R., Zepp, Richard G., Canopy Spectral Ecology and Ecophysiology, and Organismal and Evolutionary Biology Research Programme

Subjects
LITTER DECOMPOSITION, SOLAR-RADIATION, SKIN-CANCER, IMPACT, SOUTHERN ANNULAR MODE, UV-RADIATION, sense organs, EXPOSURE, MONTREAL PROTOCOL, skin and connective tissue diseases, B RADIATION, 1172 Environmental sciences, RESPONSES
Abstract

Changes in stratospheric ozone and climate over the past 40-plus years have altered the solar ultraviolet (UV) radiation conditions at the Earth's surface. Ozone depletion has also contributed to climate change across the Southern Hemisphere. These changes are interacting in complex ways to affect human health, food and water security, and ecosystem services. Many adverse effects of high UV exposure have been avoided thanks to the Montreal Protocol with its Amendments and Adjustments, which have effectively controlled the production and use of ozone-depleting substances. This international treaty has also played an important role in mitigating climate change. Climate change is modifying UV exposure and affecting how people and ecosystems respond to UV; these effects will become more pronounced in the future. The interactions between stratospheric ozone, climate and UV radiation will therefore shift over time; however, the Montreal Protocol will continue to have far-reaching benefits for human well-being and environmental sustainability.

Published
2019

4. State of the Climate in 2012

Author

Blunden, Jessica, Arndt, Derek S., Achberger, Christine, Ackerman, Stephen A., Albanil, Adelina, Alexander, P., Alfaro, Eric J., Allan, Rob, Alves, Lincoln M., Amador, Jorge A., Ambenje, Peter, Andrianjafinirina, Solonomenjanahary, Antonov, John, Aravequia, Jose A., Arendt, A., Arevalo, Juan, Ashik, I., Atheru, Zachary, Banzon, Viva, Baringer, Molly O., Barreira, Sandra, Barriopedro, David E., Beard, Grant, Becker, Andreas, Behrenfeld, Michael J., Bell, Gerald D., Benedetti, Angela, Bernhard, Germar, Berrisford, Paul, Berry, David I., Bhatt, U., Bidegain, Mario, Bindoff, Nathan, Bissolli, Peter, Blake, Eric S., Booneeady, Raj, Bosilovich, Michael, Box, J. E., Boyer, Tim, Braathen, Geir O., Bromwich, David H., Brown, R., Brown, L., Bruhwiler, Lori, Bulygina, Olga N., Burgess, D., Burrows, John, Calderon, Blanca, Camargo, Suzana J., Campbell, Jayaka, Cao, Y., Cappelen, J., Carrasco, Gualberto, Chambers, Don P., Chang A, L., Chappell, Petra, Chehade, Wissam, Cheliah, Muthuvel, Christiansen, Hanne H., Christy, John R., Ciais, Phillipe, Coelho, Caio A. S., Cogley, J. G., Colwell, Steve, Cross, J. N., Crouch, Jake, Cunningham, Stuart A., Dacic, Milan, Jeu, Richard A. M., Dekaa, Francis S., Demircan, Mesut, Derksen, C., Diamond, Howard J., Dlugokencky, Ed J., Dohan, Kathleen, Dolman, A. Johannes, Domingues, Catia M., Dong Shenfu, Dorigo, Wouter A., Drozdov, D. S., Duguay, Claude R., Dunn, Robert J. H., Duran-Quesada, Ana M., Dutton, Geoff S., Ehmann, Christian, Elkins, James W., Euscategui, Christian, Famiglietti, James S., Fang Fan, Fauchereau, Nicolas, Feely, Richard A., Fekete, Balazs M., Fenimore, Chris, Fioletov, Vitali E., Fogarty, Chris T., Fogt, Ryan L., Folland, Chris K., Foster, Michael J., Frajka-Williams, Eleanor, Franz, Bryan A., Frith, Stacey H., Frolov, I., Ganter, Catherine, Garzoli, Silvia, Geai, M. -L, Gerland, S., Gitau, Wilson, Gleason, Karin L., Gobron, Nadine, Goldenberg, Stanley B., Goni, Gustavo, Good, Simon A., Gottschalck, Jonathan, Gregg, Margarita C., Griffiths, Georgina, Grooss, Jens-Uwe, Guard, Charles Chip, Gupta, Shashi K., Hall, Bradley D., Halpert, Michael S., Harada, Yayoi, Hauri, C., Heidinger, Andrew K., Heikkila, Anu, Heim, Richard R., Heimbach, Patrick, Hidalgo, Hugo G., Hilburn, Kyle, Ho, Shu-Peng, Hobbs, Will R., Holgate, Simon, Hovsepyan, Anahit, Hu Zeng-Zhen, Hughes, P., Hurst, Dale F., Ingvaldsen, R., Inness, Antje, Jaimes, Ena, Jakobsson, Martin, James, Adamu I., Jeffries, Martin O., Johns, William E., Johnsen, Bjorn, Johnson, Gregory C., Johnson, Bryan, Jones, Luke T., Jumaux, Guillaume, Kabidi, Khadija, Kaiser, Johannes W., Kamga, Andre, Kang, Kyun-Kuk, Kanzow, Torsten O., Kao, Hsun-Ying, Keller, Linda M., Kennedy, John J., Key, J., Khatiwala, Samar, Pour, H. Kheyrollah, Kholodov, A. L., Khoshkam, Mahbobeh, Kijazi, Agnes, Kikuchi, T., Kim, B. -M, Kim, S. -J, Kimberlain, Todd B., Knaff, John A., Korshunova, Natalia N., Koskela, T., Kousky, Vernon E., Kramarova, Natalya, Kratz, David P., Krishfield, R., Kruger, Andries, Kruk, Michael C., Kumar, Arun, Lagerloef, Gary S. E., Lakkala, K., Lander, Mark A., Landsea, Chris W., Lankhorst, Matthias, Laurila, T., Lazzara, Matthew A., Lee, Craig, Leuliette, Eric, Levitus, Sydney, L Heureux, Michelle, Lieser, Jan, Lin, I-I, Liu, Y. Y., Liu, Y., Liu Hongxing, Liu Yanju, Lobato-Sanchez, Rene, Locarnini, Ricardo, Loeb, Norman G., Loeng, H., Long, Craig S., Lorrey, Andrew M., Luhunga, P., Lumpkin, Rick, Luo Jing-Jia, Lyman, John M., Macdonald, Alison M., Maddux, Brent C., Malekela, C., Manney, Gloria, Marchenko, S. S., Marengo, Jose A., Marotzke, Jochem, Marra, John J., Martinez-Gueingla, Rodney, Massom, Robert A., Mathis, Jeremy T., Mcbride, Charlotte, Mccarthy, Gerard, Mcvicar, Tim R., Mears, Carl, Meier, W., Meinen, Christopher S., Menendez, Melisa, Merrifield, Mark A., Mitchard, Edward, Mitchum, Gary T., Montzka, Stephen A., Morcrette, Jean-Jacques, Mote, Thomas, Muehle, Jens, Muehr, Bernhard, Mullan, A. Brett, Mueller, Rolf, Nash, Eric R., Nerem, R. Steven, Newlin, Michele L., Newman, Paul A., Ng Ongolo, H., Nieto, Juan Jose, Nishino, S., Nitsche, Helga, Noetzli, Jeannette, Oberman, N. G., Obregon, Andre, Ogallo, Laban A., Oludhe, Christopher S., Omar, Mohamed I., Overland, James, Oyunjargal, Lamjav, Parinussa, Robert M., Park, Geun-Ha, Park, E-Hyung, David Berry, Pasch, Richard J., Pascual-Ramirez, Reynaldo, Pelto, Mauri S., Penalba, Olga, Peng, L., Perovich, Don K., Pezza, Alexandre B., Phillips, David, Pickart, R., Pinty, Bernard, Pitts, Michael C., Purkey, Sarah G., Quegan, Shaun, Quintana, Juan, Rabe, B., Rahimzadeh, Fatemeh, Raholijao, Nirivololona, Raiva, I., Rajeevan, Madhavan, Ramiandrisoa, Voahanginirina, Ramos, Alexandre, Ranivoarissoa, Sahondra, Rayner, Nick A., Rayner, Darren, Razuveav, Vyacheslav N., Reagan, James, Reid, Phillip, Renwick, James, Revedekar, Jayashree, Richter-Menge, Jacqueline, Rivera, Ingrid L., Robinson, David A., Rodell, Matthew, Romanovsky, Vladimir E., Ronchail, Josyane, Rosenlof, Karen H., Sabine, Christopher L., Salvador, Mozar A., Sanchez-Lugo, Ahira, Santee, Michelle L., Sasgen, I., Sawaengphokhai, P., Sayouri, Amal, Scambos, Ted A., Schauer, U., Schemm, Jae, Schlosser, P., Schmid, Claudia, Schreck, Carl, Semiletov, Igor, Send, Uwe, Sensoy, Serhat, Setzer, Alberto, Severinghaus, Jeffrey, Shakhova, Natalia, Sharp, M., Shiklomanov, Nicolai I., Siegel, David A., Silva, Viviane B. S., Silva, Frabricio D. S., Sima, Fatou, Simeonov, Petio, Simmonds, I., Simmons, Adrian, Skansi, Maria, Smeed, David A., Smethie, W. M., Smith, Adam B., Smith, Cathy, Smith, Sharon L., Smith, Thomas M., Sokolov, V., Srivastava, A. K., Stackhouse, Paul W., Stammerjohn, Sharon, Steele, M., Steffen, Konrad, Steinbrecht, Wolfgang, Stephenson, Tannecia, Su, J., Svendby, T., Sweet, William, Takahashi, Taro, Tanabe, Raymond M., Taylor, Michael A., Tedesco, Marco, Teng, William L., Thepaut, Jean-Noel, Thiaw, Wassila M., Thoman, R., Thompson, Philip, Thorne, Peter W., Timmermans, M. -L, Tobin, Skie, Toole, J., Trewin, Blair C., Trigo, Ricardo M., Trotman, Adrian, Tschudi, M., Wal, Roderik S. W., Werf, Guido R., Vautard, Robert, Vazquez, J. L., Vieira, Goncalo, Vincent, Lucie, Vose, Russ S., Wagner, Wolfgang W., Wahr, John, Walsh, J., Wang Junhong, Wang Chunzai, Wang, M., Wang Sheng-Hung, Wang Lei, Wanninkhof, Rik, Weaver, Scott, Weber, Mark, Werdell, P. Jeremy, Whitewood, Robert, Wijffels, Susan, Wilber, Anne C., Wild, J. D., Willett, Kate M., Williams, W., Willis, Joshua K., Wolken, G., Wong, Takmeng, Woodgate, R., Worthy, D., Wouters, B., Wovrosh, Alex J., Xue Yan, Yamada, Ryuji, Yin Zungang, Yu Lisan, Zhang Liangying, Zhang Peiqun, Zhao Lin, Zhao, J., Zhong, W., Ziemke, Jerry, Zimmermann, S., ICOS-ATC (ICOS-ATC), Laboratoire des Sciences du Climat et de l'Environnement [Gif-sur-Yvette] (LSCE), Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ), Laboratoire d'Océanographie et du Climat : Expérimentations et Approches Numériques (LOCEAN), Institut de Recherche pour le Développement (IRD)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Muséum national d'Histoire naturelle (MNHN)-Institut Pierre-Simon-Laplace (IPSL (FR_636)), École normale supérieure - Paris (ENS Paris), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris Diderot - Paris 7 (UPD7)-École polytechnique (X)-Centre National d'Études Spatiales [Toulouse] (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-École normale supérieure - Paris (ENS Paris), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris Diderot - Paris 7 (UPD7)-École polytechnique (X)-Centre National d'Études Spatiales [Toulouse] (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Extrèmes : Statistiques, Impacts et Régionalisation (ESTIMR), Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Muséum national d'Histoire naturelle (MNHN)-Institut de Recherche pour le Développement (IRD)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Institut Pierre-Simon-Laplace (IPSL (FR_636)), École normale supérieure - Paris (ENS-PSL), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris Diderot - Paris 7 (UPD7)-École polytechnique (X)-Centre National d'Études Spatiales [Toulouse] (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-École normale supérieure - Paris (ENS-PSL), and Repositório da Universidade de Lisboa

Subjects
[SDU.OCEAN]Sciences of the Universe [physics]/Ocean, Atmosphere, Atmospheric Science, 13. Climate action, Photosynthetically active radiation, Climate, Dynamics (mechanics), Data_FILES, Environmental science, Fraction (chemistry), 14. Life underwater, [SDU.ENVI]Sciences of the Universe [physics]/Continental interfaces, environment, Remote sensing
Abstract

For the first time in serveral years, the El Nino-Southern Oscillation did not dominate regional climate conditions around the globe. A weak La Ni a dissipated to ENSOneutral conditions by spring, and while El Nino appeared to be emerging during summer, this phase never fully developed as sea surface temperatures in the eastern conditions. Nevertheless, other large-scale climate patterns and extreme weather events impacted various regions during the year. A negative phase of the Arctic Oscillation from mid-January to early February contributed to frigid conditions in parts of northern Africa, eastern Europe, and western Asia. A lack of rain during the 2012 wet season led to the worst drought in at least the past three decades for northeastern Brazil. Central North America also experienced one of its most severe droughts on record. The Caribbean observed a very wet dry season and it was the Sahel's wettest rainy season in 50 years. Overall, the 2012 average temperature across global land and ocean surfaces ranked among the 10 warmest years on record. The global land surface temperature alone was also among the 10 warmest on record. In the upper atmosphere, the average stratospheric temperature was record or near-record cold, depending on the dataset. After a 30-year warming trend from 1970 to 1999 for global sea surface temperatures, the period 2000-12 had little further trend. This may be linked to the prevalence of La Ni a-like conditions during the 21st century. Heat content in the upper 700 m of the ocean remained near record high levels in 2012. Net increases from 2011 to 2012 were observed at 700-m to 2000-m depth and even in the abyssal ocean below. Following sharp decreases in to the effects of La Ni a, sea levels rebounded to reach records highs in 2012. The increased hydrological cycle seen in recent years continued, with more evaporation in drier locations and more precipitation in rainy areas. In a pattern that has held since 2004, salty areas of the ocean surfaces and subsurfaces were anomalously salty on average, while fresher areas were anomalously fresh. Global tropical cyclone activity during 2012 was near average, with a total of 84 storms compared with the 1981-2010 average of 89. Similar to 2010 and 2011, the North Atlantic was the only hurricane basin that experienced above-normal activity. In this basin, Sandy brought devastation to Cuba and parts of the eastern North American seaboard. All other basins experienced either near-or below-normal tropical cyclone activity. Only three tropical cyclones reached Category 5 intensity-all in Bopha became the only storm in the historical record to produce winds greater than 130 kt south of 7 N. It was also the costliest storm to affect the Philippines and killed more than 1000 residents. Minimum Arctic sea ice extent in September and Northern Hemisphere snow cover extent in June both reached new record lows. June snow cover extent is now declining at a faster rate (-17.6% per decade) than September sea ice extent (-13.0% per decade). Permafrost temperatures reached record high values in northernmost Alaska. A new melt extent record occurred on 11-12 July on the Greenland ice sheet; 97% of the ice sheet showed some form of melt, four times greater than the average melt for this time of year. The climate in Antarctica was relatively stable overall. The largest maximum sea ice extent since records begain in 1978 was observed in September 2012. In the stratosphere, warm air led to the second smallest ozone hole in the past two decades. Even so, the springtime ozone layer above Antarctica likely will not return to its early 1980s state until about 2060. Following a slight decline associated with the global 2 emissions from fossil fuel combustion and cement production reached a record 9.5 +/- 0.5 Pg C in 2011 and a new record of 9.7 +/- 0.5 Pg C is estimated for 2012. Atmospheric CO2 concentrations increased by 2.1 ppm in 2012, to 392.6 ppm. In spring 2012, 2 concentration exceeded 400 ppm at 7 of the 13 Arctic observation sites. Globally, other greenhouse gases including methane and nitrous oxide also continued to rise in concentration and the combined effect now represents a 32% increase in radiative forcing over a 1990 baseline. Concentrations of most ozone depleting substances continued to fall.

Published
2013
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5. State of the Climate in 2012 INTRODUCTION

Author

Achberger, Christine, Ackerman, Stephen A., Albanil, Adelina, Alexander, P., Alfaro, Eric J., Allan, Rob, Alves, Lincoln M., Amador, Jorge A., Ambenje, Peter, Andrianjafinirina, Solonomenjanahary, Antonov, John, Aravequia, Jose A., Arendt, A., Arevalo, Juan, Arndt, Derek S., Ashik, I., Atheru, Zachary, Banzon, Viva, Baringer, Molly O., Barreira, Sandra, Barriopedro, David E., Beard, Grant, Becker, Andreas, Behrenfeld, Michael J., Bell, Gerald D., Benedetti, Angela, Bernhard, Germar, Berrisford, Paul, Berry, David I., Bhatt, U., Bidegain, Mario, Bindoff, Nathan, Bissolli, Peter, Blake, Eric S., Blunden, Jessica, Booneeady, Raj, Bosilovich, Michael, Box, J. E., Boyer, Tim, Braathen, Geir O., Bromwich, David H., Brown, R., Brown, L., Bruhwiler, Lori, Bulygina, Olga N., Burgess, D., Burrows, John, Calderon, Blanca, Camargo, Suzana J., Campbell, Jayaka, Cao, Y., Cappelen, J., Carrasco, Gualberto, Chambers, Don P., Chang A, L., Chappell, Petra, Chehade, Wissam, Cheliah, Muthuvel, Christiansen, Hanne H., Christy, John R., Ciais, Phillipe, Coelho, Caio A. S., Cogley, J. G., Colwell, Steve, Cross, J. N., Crouch, Jake, Cunningham, Stuart A., Dacic, Milan, Jeu, Richard A. M., Dekaa, Francis S., Demircan, Mesut, Derksen, C., Diamond, Howard J., Dlugokencky, Ed J., Dohan, Kathleen, Dolman, A. Johannes, Domingues, Catia M., Dong Shenfu, Dorigo, Wouter A., Drozdov, D. S., Duguay, Claude R., Dunn, Robert J. H., Duran-Quesada, Ana M., Dutton, Geoff S., Ehmann, Christian, Elkins, James W., Euscategui, Christian, Famiglietti, James S., Fang Fan, Fauchereau, Nicolas, Feely, Richard A., Fekete, Balazs M., Fenimore, Chris, Fioletov, Vitali E., Fogarty, Chris T., Fogt, Ryan L., Folland, Chris K., Foster, Michael J., Frajka-Williams, Eleanor, Franz, Bryan A., Frith, Stacey H., Frolov, I., Ganter, Catherine, Garzoli, Silvia, Geai, M. -L, Gerland, S., Gitau, Wilson, Gleason, Karin L., Gobron, Nadine, Goldenberg, Stanley B., Goni, Gustavo, Good, Simon A., Gottschalck, Jonathan, Gregg, Margarita C., Griffiths, Georgina, Grooss, Jens-Uwe, Guard, Charles Chip, Gupta, Shashi K., Hall, Bradley D., Halpert, Michael S., Harada, Yayoi, Hauri, C., Heidinger, Andrew K., Heikkila, Anu, Heim, Richard R., Heimbach, Patrick, Hidalgo, Hugo G., Hilburn, Kyle, Ho, Shu-Peng, Hobbs, Will R., Holgate, Simon, Hovsepyan, Anahit, Hu Zeng-Zhen, Hughes, P., Hurst, Dale F., Ingvaldsen, R., Inness, Antje, Jaimes, Ena, Jakobsson, Martin, James, Adamu I., Jeffries, Martin O., Johns, William E., Johnsen, Bjorn, Johnson, Gregory C., Johnson, Bryan, Jones, Luke T., Jumaux, Guillaume, Kabidi, Khadija, Kaiser, Johannes W., Kamga, Andre, Kang, Kyun-Kuk, Kanzow, Torsten O., Kao, Hsun-Ying, Keller, Linda M., Kennedy, John J., Key, J., Khatiwala, Samar, Pour, H. Kheyrollah, Kholodov, A. L., Khoshkam, Mahbobeh, Kijazi, Agnes, Kikuchi, T., Kim, B. -M, Kim, S. -J, Kimberlain, Todd B., Knaff, John A., Korshunova, Natalia N., Koskela, T., Kousky, Vernon E., Kramarova, Natalya, Kratz, David P., Krishfield, R., Kruger, Andries, Kruk, Michael C., Kumar, Arun, Lagerloef, Gary S. E., Lakkala, K., Lander, Mark A., Landsea, Chris W., Lankhorst, Matthias, Laurila, T., Lazzara, Matthew A., Lee, Craig, Leuliette, Eric, Levitus, Sydney, L Heureux, Michelle, Lieser, Jan, Lin, I-I, Liu, Y. Y., Liu, Y., Liu Hongxing, Liu Yanju, Lobato-Sanchez, Rene, Locarnini, Ricardo, Loeb, Norman G., Loeng, H., Long, Craig S., Lorrey, Andrew M., Luhunga, P., Lumpkin, Rick, Luo Jing-Jia, Lyman, John M., Macdonald, Alison M., Maddux, Brent C., Malekela, C., Manney, Gloria, Marchenko, S. S., Marengo, Jose A., Marotzke, Jochem, Marra, John J., Martinez-Gueingla, Rodney, Massom, Robert A., Mathis, Jeremy T., Mcbride, Charlotte, Mccarthy, Gerard, Mcvicar, Tim R., Mears, Carl, Meier, W., Meinen, Christopher S., Menendez, Melisa, Merrifield, Mark A., Mitchard, Edward, Mitchum, Gary T., Montzka, Stephen A., Morcrette, Jean-Jacques, Mote, Thomas, Muehle, Jens, Muehr, Bernhard, Mullan, A. Brett, Mueller, Rolf, Nash, Eric R., Nerem, R. Steven, Newlin, Michele L., Newman, Paul A., Ng Ongolo, H., Nieto, Juan Jose, Nishino, S., Nitsche, Helga, Noetzli, Jeannette, Oberman, N. G., Obregon, Andre, Ogallo, Laban A., Oludhe, Christopher S., Omar, Mohamed I., Overland, James, Oyunjargal, Lamjav, Parinussa, Robert M., Park, Geun-Ha, Park, E-Hyung, Parker, David, Pasch, Richard J., Pascual-Ramirez, Reynaldo, Pelto, Mauri S., Penalba, Olga, Peng, L., Perovich, Don K., Pezza, Alexandre B., Phillips, David, Pickart, R., Pinty, Bernard, Pitts, Michael C., Purkey, Sarah G., Quegan, Shaun, Quintana, Juan, Rabe, B., Rahimzadeh, Fatemeh, Raholijao, Nirivololona, Raiva, I., Rajeevan, Madhavan, Ramiandrisoa, Voahanginirina, Ramos, Alexandre, Ranivoarissoa, Sahondra, Rayner, Nick A., Rayner, Darren, Razuveav, Vyacheslav N., Reagan, James, Reid, Phillip, Renwick, James, Revedekar, Jayashree, Richter-Menge, Jacqueline, Rivera, Ingrid L., Robinson, David A., Rodell, Matthew, Romanovsky, Vladimir E., Ronchail, Josyane, Karen Rosenlof, Sabine, Christopher L., Salvador, Mozar A., Sanchez-Lugo, Ahira, Santee, Michelle L., Sasgen, I., Sawaengphokhai, P., Sayouri, Amal, Scambos, Ted A., Schauer, U., Schemm, Jae, Schlosser, P., Schmid, Claudia, Schreck, Carl, Semiletov, Igor, Send, Uwe, Sensoy, Serhat, Setzer, Alberto, Severinghaus, Jeffrey, Shakhova, Natalia, Sharp, M., Shiklomanov, Nicolai I., Siegel, David A., Silva, Viviane B. S., Silva, Frabricio D. S., Sima, Fatou, Simeonov, Petio, Simmonds, I., Simmons, Adrian, Skansi, Maria, Smeed, David A., Smethie, W. M., Smith, Adam B., Smith, Cathy, Smith, Sharon L., Smith, Thomas M., Sokolov, V., Srivastava, A. K., Stackhouse, Paul W., Stammerjohn, Sharon, Steele, M., Steffen, Konrad, Steinbrecht, Wolfgang, Stephenson, Tannecia, Su, J., Svendby, T., Sweet, William, Takahashi, Taro, Tanabe, Raymond M., Taylor, Michael A., Tedesco, Marco, Teng, William L., Thepaut, Jean-Noel, Thiaw, Wassila M., Thoman, R., Thompson, Philip, Thorne, Peter W., Timmermans, M. -L, Tobin, Skie, Toole, J., Trewin, Blair C., Trigo, Ricardo M., Trotman, Adrian, Tschudi, M., Wal, Roderik S. W., Werf, Guido R., Vautard, Robert, Vazquez, J. L., Vieira, Goncalo, Vincent, Lucie, Vose, Russ S., Wagner, Wolfgang W., Wahr, John, Walsh, J., Wang Junhong, Wang Chunzai, Wang, M., Wang Sheng-Hung, Wang Lei, Wanninkhof, Rik, Weaver, Scott, Weber, Mark, Werdell, P. Jeremy, Whitewood, Robert, Wijffels, Susan, Wilber, Anne C., Wild, J. D., Willett, Kate M., Williams, W., Willis, Joshua K., Wolken, G., Wong, Takmeng, Woodgate, R., Worthy, D., Wouters, B., Wovrosh, Alex J., Xue Yan, Yamada, Ryuji, Yin Zungang, Yu Lisan, Zhang Liangying, Zhang Peiqun, Zhao Lin, Zhao, J., Zhong, W., Ziemke, Jerry, and Zimmermann, S.

6. State of the climate in 2011:Special supplement to the Bulletin of the American Meteorological Society

Author

Arndt, D. S., Blunden, J., Willett, K. M., Dolman, A. J., Hall, B. D., Thorne, P. W., Gregg, M. C., Newlin, M. L., Xue, Y., Hu, Z., Kumar, A., Banzon, V., Smith, T. M., Rayner, N. A., Jeffries, M. O., Richter-Menge, J., Overland, J., Bhatt, U., Key, J., Liu, Y., Walsh, J., Wang, M., Fogt, R. L., Scambos, T. A., Wovrosh, A. J., Barreira, S., Sanchez-Lugo, A., Renwick, J. A., Thiaw, W. M., Weaver, S. J., Whitewood, R., Phillips, D., Achberger, C., Ackerman, S. A., Ahmed, Farid H., Albanil-Encarnacion, Adelina, Alfaro, E. J., Alves, L. M., Allan, Rob, Amador, Jorge A., Ambenje, Peter, Antoine, M. D., Antonov, John, Arevalo, Juan, Arndt, Derek S., Ashik, I., Atheru, Zachary, Baccini, Alessandro, Baez, Julian, Banzon, Viva, Baringer, Molly O., Barreira, Sandra, Barriopedro, D. E., Bates, J. J., Becker, Andreas, Behrenfeld, Michael J., Bell, Gerald D., Benedetti, Angela, Bernhard, Germar, Berrisford, Paul, Berry, David I., Beszczynska-Moeller, A., Bhatt, U. S., Bidegain, Mario, Bieniek, P., Birkett, Charon, Bissolli, Peter, Blake, Eric S., Blunden, Jessica, Boudet-Rouco, Dagne, Box, Jason E., Boyer, Tim, Braathen, Geir O., Brackenridge, G. Robert, Brohan, Philip, Bromwich, David H., Brown, Laura, Brown, R., Bruhwiler, Lori, Bulygina, O. N., Burrows, John, Calderon, Blanca, Camargo, Suzana J., Cappellen, John, Carmack, E., Carrasco, Gualberto, Chambers, Don P., Christiansen, Hanne H., Christy, John, Chung, D., Ciais, P., Coehlo, Caio A. S., Colwell, Steve, Comiso, J., Cretaux, Jean-Francois, Crouch, Jake, Cunningham, Stuart A., Jeu, Richard A. M., Demircan, M., Derksen, C., Diamond, Howard J., Dlugokencky, Ed J., Dohan, Kathleen, Dolman, A. Johannes, Dorigo, Wouter A., Drozdov, D. S., Duguay, Claude, Dutton, Ellsworth, Dutton, Geoff S., Elkins, James W., Epstein, H. E., Famiglietti, James S., Fanton D Andon, Odile Hembise, Feely, Richard A., Fekete, Balazs M., Fenimore, Chris, Fernandez-Prieto, D., Fields, Erik, Fioletov, Vitali, Fogt, Ryan L., Folland, Chris, Foster, Michael J., Frajka-Williams, Eleanor, Franz, Bryan A., Frey, Karen, Frith, Stacey H., Frolov, I., Frost, G. V., Ganter, Catherine, Garzoli, Silvia, Gitau, Wilson, Gleason, Karin L., Gobron, Nadine, Goldenberg, Stanley B., Goni, Gustavo, Gonzalez-Garcia, Idelmis, Gonzalez-Rodriguez, Nivaldo, Good, Simon A., Goryl, Philippe, Gottschalck, Jonathan, Gouveia, C. M., Gregg, Margarita C., Griffiths, Georgina M., Grigoryan, Valentina, Grooss, Jens-Uwe, Guard, Chip, Guglielmin, Mauro, Hall, Bradley D., Halpert, Michael S., Heidinger, Andrew K., Heikkila, Anu, Heim, Jr, Hennon, Paula A., Hidalgo, Hugo G., Hilburn, Kyle, Ho, Shu-Peng, Hobbs, Will R., Holgate, Simon, Hook, Simon J., Hovsepyan, Anahit, Hu, Zeng-Zhen, Hugony, Sebastien, Hurst, Dale F., Ingvaldsen, R., Itoh, M., Jaimes, Ena, Jeffries, Martin, Johns, William E., Johnsen, Bjorn, Johnson, Bryan, Johnson, Gregory C., Jones, L. T., Jumaux, Guillaume, Kabidi, Khadija, Kaiser, Johannes W., Kang, Kyun-Kuk, Kanzow, Torsten O., Kao, Hsun-Ying, Keller, Linda M., Kendon, Mike, Kennedy, John J., Kervankiran, Sefer, Khatiwala, Samar, Kholodov, A. L., Khoshkam, M., Kikuchi, T., Kimberlain, Todd B., King, Darren, Knaff, John A., Korshunova, Natalia N., Koskela, Tapani, Kratz, David P., Krishfield, R., Kruger, Andries, Kruk, Michael C., Kumar, Arun, Lagerloef, Gary, Lakkala, Kaisa, Lammers, Richard B., Lander, Mark A., Landsea, Chris W., Lankhorst, Matthias, Lapinel-Pedroso, Braulio, Lazzara, Matthew A., Leduc, Sharon, Lefale, Penehuro, Leon, Gloria, Leon-Lee, Antonia, Leuliette, Eric, Levitus, Syndney, L Heureux, Michelle, Lin, I. I., Liu, Hongxing, Liu, Yanju, Liu, Yi, Lobato-Sanchez, Rene, Locarnini, Ricardo, Loeb, Norman G., Loeng, H., Long, Craig S., Lorrey, Andrew M., Lumpkin, Rick, Myhre, Cathrine Lund, Luo, Jing-Jia, Lyman, John M., Maccallum, Stuart, Macdonald, Alison M., Maddux, Brent C., Manney, Gloria, Marchenko, S. S., Marengo A, Jose, Maritorena, Stephane, Marotzke, Jochem, Marra, John J., Martinez-Sanchez, Odayls, Maslanik, J., Massom, Robert A., Mathis, Jeremy T., Mcbride, Charlotte, Mcclain, Charles R., Mcgrath, Daniel, Mcgree, Simon, Mclaughlin, F., Mcvicar, Tim R., Mears, Carl, Meier, W., Meinen, Christopher S., Menendez, Melisa, Merchant, Chris, Merrifield, Mark A., Miller, Laury, Mitchum, Gary T., Montzka, Stephen A., Moore, Sue, Mora, Natalie P., Morcrette, Jean-Jacques, Mote, Thomas, Muhle, Jens, Mullan, A. Brett, Muller, Rolf, Myhre, Cathrine, Nash, Eric R., Nerem, R. Steven, Newlin, Michele L., Newman, Paul A., Ngari, Arona, Nishino, S., Njau, Lenoard N., Noetzli, Jeannette, Oberman, N. G., Obregon, Andre, Ogallo, Laban, and Oludhe, Christopher

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