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Sökning: WFRF:(Shurpali Narasinha J) > The uncertain clima...

LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00005774naa a2200817 4500
001oai:lup.lub.lu.se:8eccaa66-0a63-4c04-8c88-21ebf4571343
003SwePub
008160401s2015 | |||||||||||000 ||eng|
024a https://lup.lub.lu.se/record/53603202 URI
024a https://doi.org/10.1073/pnas.14162671122 DOI
040 a (SwePub)lu
041 a engb eng
042 9 SwePub
072 7a art2 swepub-publicationtype
072 7a ref2 swepub-contenttype
100a Petrescu, Ana Maria Roxana4 aut
2451 0a The uncertain climate footprint of wetlands under human pressure
264 c 2015-03-23
264 1b Proceedings of the National Academy of Sciences,c 2015
520 a Significant climate risks are associated with a positive carbon-temperature feedback in northern latitude carbon-rich ecosystems, making an accurate analysis of human impacts on the net greenhouse gas balance of wetlands a priority. Here, we provide a coherent assessment of the climate footprint of a network of wetland sites based on simultaneous and quasi-continuous ecosystem observations of CO2 and CH4 fluxes. Experimental areas are located both in natural and in managed wetlands and cover a wide range of climatic regions, ecosystem types, and management practices. Based on direct observations we predict that sustained CH4 emissions in natural ecosystems are in the long term (i.e., several centuries) typically offset by CO2 uptake, although with large spatiotemporal variability. Using a space-for-time analogy across ecological and climatic gradients, we represent the chronosequence from natural to managed conditions to quantify the "cost" of CH4 emissions for the benefit of net carbon sequestration. With a sustained pulse-response radiative forcing model, we found a significant increase in atmospheric forcing due to land management, in particular for wetland converted to cropland. Our results quantify the role of human activities on the climate footprint of northern wetlands and call for development of active mitigation strategies for managed wetlands and new guidelines of the Intergovernmental Panel on Climate Change (IPCC) accounting for both sustained CH4 emissions and cumulative CO2 exchange.
650 7a NATURVETENSKAPx Geovetenskap och miljövetenskapx Naturgeografi0 (SwePub)105072 hsv//swe
650 7a NATURAL SCIENCESx Earth and Related Environmental Sciencesx Physical Geography0 (SwePub)105072 hsv//eng
700a Lohila, Annalea4 aut
700a Tuovinen, Juha-Pekka4 aut
700a Baldocchi, Dennis D4 aut
700a Desai, Ankur R4 aut
700a Roulet, Nigel T4 aut
700a Vesala, Timo4 aut
700a Dolman, Albertus Johannes4 aut
700a Oechel, Walter C4 aut
700a Marcolla, Barbara4 aut
700a Friborg, Thomas4 aut
700a Rinne, Janne4 aut
700a Matthes, Jaclyn Hatala4 aut
700a Merbold, Lutz4 aut
700a Meijide, Ana4 aut
700a Kiely, Gerard4 aut
700a Sottocornola, Matteo4 aut
700a Sachs, Torsten4 aut
700a Zona, Donatella4 aut
700a Varlagin, Andrej4 aut
700a Lai, Derrick Y F4 aut
700a Veenendaal, Elmar4 aut
700a Parmentier, Frans-Janu Lund University,Lunds universitet,Institutionen för naturgeografi och ekosystemvetenskap,Naturvetenskapliga fakulteten,Dept of Physical Geography and Ecosystem Science,Faculty of Science,Aarhus University4 aut0 (Swepub:lu)nate-fpm
700a Skiba, Ute4 aut
700a Lund, Magnusu Lund University,Lunds universitet,Institutionen för naturgeografi och ekosystemvetenskap,Naturvetenskapliga fakulteten,Dept of Physical Geography and Ecosystem Science,Faculty of Science,Aarhus University4 aut0 (Swepub:lu)nate-mnl
700a Hensen, Arjan4 aut
700a van Huissteden, Jacobus4 aut
700a Flanagan, Lawrence B4 aut
700a Shurpali, Narasinha J4 aut
700a Grünwald, Thomas4 aut
700a Humphreys, Elyn R4 aut
700a Jackowicz-Korczynski, Marcinu Lund University,Lunds universitet,Institutionen för naturgeografi och ekosystemvetenskap,Naturvetenskapliga fakulteten,Dept of Physical Geography and Ecosystem Science,Faculty of Science4 aut0 (Swepub:lu)nate-mjs
700a Aurela, Mika A4 aut
700a Laurila, Tuomas4 aut
700a Grüning, Carsten4 aut
700a Corradi, Chiara A R4 aut
700a Schrier-Uijl, Arina P4 aut
700a Christensen, Torbenu Lund University,Lunds universitet,Institutionen för naturgeografi och ekosystemvetenskap,Naturvetenskapliga fakulteten,Dept of Physical Geography and Ecosystem Science,Faculty of Science,Aarhus University4 aut0 (Swepub:lu)ekol-tch
700a Tamstorf, Mikkel P4 aut
700a Mastepanov, Mikhailu Lund University,Lunds universitet,Institutionen för naturgeografi och ekosystemvetenskap,Naturvetenskapliga fakulteten,Dept of Physical Geography and Ecosystem Science,Faculty of Science,Aarhus University4 aut0 (Swepub:lu)ple-mma
700a Martikainen, Pertti J4 aut
700a Verma, Shashi B4 aut
700a Bernhofer, Christian4 aut
700a Cescatti, Alessandro4 aut
710a Institutionen för naturgeografi och ekosystemvetenskapb Naturvetenskapliga fakulteten4 org
773t Proceedings of the National Academy of Sciencesd : Proceedings of the National Academy of Sciencesg 112:15, s. 4594-4599q 112:15<4594-4599x 1091-6490x 0027-8424
856u http://dx.doi.org/10.1073/pnas.1416267112y FULLTEXT
856u https://www.pnas.org/content/pnas/112/15/4594.full.pdf
8564 8u https://lup.lub.lu.se/record/5360320
8564 8u https://doi.org/10.1073/pnas.1416267112

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