Henry Neufeldt
University of East Anglia
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Archive | 2008
Gunnar S. Eskeland; Eberhard Jochem; Henry Neufeldt; Thure Traber; Nathan Rive; Arno Behrens
For some time now, CEPS has participated in a project funded by the European Commission called Adaptation and Mitigation Strategies: Supporting European Climate Policy (ADAM). One research stream within the ADAM project focuses on the implications of mitigation and adaptation strategies for the electricity sector. Apart from mitigation of climate change, the electricity sector will also need to adapt to global warming. A warmer world requires less heating and more cooling. It also changes river flows and the frequency of extreme weather events, as well as the ability to generate electricity and to deliver it without disruptions. The ADAM project therefore also explores the links and feedbacks between adaptation and mitigation.This ADAM-CEPS policy brief elaborates on these issues from a research perspective, but in a policy-relevant way. Section 1 describes the impacts of a warming world on the electricity system with regards to electricity demand and supply, and elaborates on the necessary adaptation strategies. Section 2 analyses policy instruments in support of the necessary transition, and explores biases as regards political feasibility. Section 3 analyses technologies and technological change, both for short-term emission reductions until 2020 and with a longer-term view on a low carbon electricity system in Europe. Finally, section 4 deals with opportunities and challenges of different policies for the European electricity sector in a global context.
Revista Brasileira De Ciencia Do Solo | 2006
Henry Neufeldt
A abundância natural de 13C foi utilizada para estudar a dinâmica de carbono em latossolos de textura media e argilosa apos plantacao de pastagens (Brachiaria decumbens) e reflorestamentos (Pinus caribaea e Eucalyptus citriodora). Considerando as diferencas de d13C nos subsolos das savanas nativas e das especies introduzidas, pode-se calcular a substituicao de carbono somente para os solos argilosos, baseando-se em resultados publicados de d13C em solos adjacentes. Estimou-se que somente 5xa0% do carbono nativo foram substituidos apos 20xa0anos de plantacao com pinus na camada de 0-1,2xa0m, ficando a substituicao restrita aos primeiros 0,4xa0m do solo. Na pastagem de 12xa0anos, 21xa0% do carbono novo foram introduzidos na camada de de 0-1,2xa0m, sendo a substituicao diminuida gradativamente pelo perfil inteiro. De acordo com os altos valores de d13C nos subsolos das areas cultivadas, levantou-se a hipotese de que a vegetacao natural teria sido de campo limpo em vez de cerrado stricto sensu apesar da semelhanca dos solos e da proximidade dos sitios estudados. A hipotese foi testada com fotos aereas de 1964, mostrando que as areas cultivadas encontravam-se numa cabeceira de escoamento ressecada. Portanto, a vegetacao dominada por gramineas pode ter sido induzida pela hidromorfia e pela baixa aeracao do solo. Com base nessas observacoes, desenvolveu-se um modelo simplificado, atribuindo as diferentes formacoes de cerrados o acesso de agua para as plantas e a aeracao do solo. A fertilidade do solo foi considerada de menor importância porque a densidade arborea das areas de cerrados encontrava-se independente da textura ou do nivel de nutrientes dos solos.
Agriculture, Ecosystems & Environment | 2006
Henry Neufeldt; Michael Schäfer; Elisabeth Angenendt; Changsheng Li; Martin Kaltschmitt; Jurgen Zeddies
Agriculture, Ecosystems & Environment | 2008
Henry Neufeldt; Michael Schäfer
Environmental Policy and Governance | 2010
J. David Tàbara; Xingang Dai; Gensuo Jia; Darryn McEvoy; Henry Neufeldt; Anna Serra; Saskia E. Werners; Jennifer J. West
CEPS Policy Brief | 2008
Asbjørn Aaheim; Frans Berkhout; Darryn McEvoy; R. Mechler; Henry Neufeldt; Anthony Patt; Paul Watkiss; Anita Wreford; Zbigniew W. Kundzewicz; Carlo Lavalle; Christian Egenhofer
Post-Print | 2010
Gunnar S. Eskeland; Patrick Criqui; Eberhard Jochem; Henry Neufeldt; Silvana Mima
Making climate change work for us: European perspectives on adaptation and mitigation strategies (eds Hulme, M., and H. Neufeldt) | 2010
Saskia E. Werners; J. David Tàbara; Henry Neufeldt; Darryn McEvoy; Xingang Dai; Z. Flachner; J. West; Francesc Cots; G. Trombi; N. Lugeri; P. Matczak; G.J. Nabuurs
International Congress Series | 2006
Michael Schäfer; Henry Neufeldt
CEPS Policy Brief | 2008
Frank Biermann; Harro van Asselt; Ingrid Boas; Eric Massey Massey; Philipp Pattberg; Ottmar Edenhofer; Christian Flachsland; Henry Neufeldt; Fariborz Zelli; Johannes Stripple; Monica. Alessi; Christian Egenhofer