Challenges in modelling isoprene and monoterpene emission dynamics of arctic plants, supplement to: Tang, Jing; Schurgers, Guy; Valolahti, Hanna; Faubert, Patrick; Tiiva, Päivi; Michelsen, Anders; Rinnan, Riikka (2016): Challenges in modelling isoprene and monoterpene emission dynamics of arctic plants: a case study from a subarctic tundra heath. Biogeosciences, 13, 6651-6667
The Arctic is warming at twice the global average speed, and the warming-induced increases in biogenic volatile organic compounds (BVOCs) emissions from Arctic plants are expected to be drastic. The current global models' estimations of minimal BVOC emissions from the Arctic are based on very f...
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ftdatacite:10.1594/pangaea.869465 2023-05-15T14:44:27+02:00 Challenges in modelling isoprene and monoterpene emission dynamics of arctic plants, supplement to: Tang, Jing; Schurgers, Guy; Valolahti, Hanna; Faubert, Patrick; Tiiva, Päivi; Michelsen, Anders; Rinnan, Riikka (2016): Challenges in modelling isoprene and monoterpene emission dynamics of arctic plants: a case study from a subarctic tundra heath. Biogeosciences, 13, 6651-6667 Tang, Jing Schurgers, Guy Valolahti, Hanna Faubert, Patrick Tiiva, Päivi Michelsen, Anders Rinnan, Riikka 2016 text/tab-separated-values https://dx.doi.org/10.1594/pangaea.869465 https://doi.pangaea.de/10.1594/PANGAEA.869465 en eng PANGAEA - Data Publisher for Earth & Environmental Science https://dx.doi.org/10.5194/bg-13-6651-2016 Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/legalcode cc-by-3.0 CC-BY File content File name File format File size Uniform resource locator/link to file Multiple investigations Dataset dataset Supplementary Dataset 2016 ftdatacite https://doi.org/10.1594/pangaea.869465 https://doi.org/10.5194/bg-13-6651-2016 2022-02-09T13:38:16Z The Arctic is warming at twice the global average speed, and the warming-induced increases in biogenic volatile organic compounds (BVOCs) emissions from Arctic plants are expected to be drastic. The current global models' estimations of minimal BVOC emissions from the Arctic are based on very few observations and have been challenged increasingly by field data. This study applied a dynamic ecosystem model, LPJ-GUESS, as a platform to investigate short-term and long-term BVOC emission responses to Arctic climate warming. Field observations in a subarctic tundra heath with long-term (13-year) warming treatments were extensively used for parameterizing and evaluating BVOC-related processes (photosynthesis, emission responses to temperature and vegetation composition). We propose an adjusted temperature (T) response curve for Arctic plants with much stronger T sensitivity than the commonly used algorithms for large-scale modelling. The simulated emission responses to 2 °C warming between the adjusted and original T response curves were evaluated against the observed warming responses (WRs) at short-term scales. Moreover, the model responses to warming by 4 and 8 °C were also investigated as a sensitivity test. The model showed reasonable agreement to the observed vegetation CO2 fluxes in the main growing season as well as day-to-day variability of isoprene and monoterpene emissions. The observed relatively high WRs were better captured by the adjusted T response curve than by the common one. During 1999?2012, the modelled annual mean isoprene and monoterpene emissions were 20 and 8 mg C/m**2/yr with an increase by 55 and 57 % for 2 °C summertime warming, respectively. Warming by 4 and 8 °C for the same period further elevated isoprene emission for all years, but the impacts on monoterpene emissions levelled off during the last few years. Dataset Arctic Subarctic Tundra DataCite Metadata Store (German National Library of Science and Technology) Arctic Michelsen ENVELOPE(-45.033,-45.033,-60.733,-60.733) Rinnan ENVELOPE(12.583,12.583,65.098,65.098) |
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Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
ftdatacite |
language |
English |
topic |
File content File name File format File size Uniform resource locator/link to file Multiple investigations |
spellingShingle |
File content File name File format File size Uniform resource locator/link to file Multiple investigations Tang, Jing Schurgers, Guy Valolahti, Hanna Faubert, Patrick Tiiva, Päivi Michelsen, Anders Rinnan, Riikka Challenges in modelling isoprene and monoterpene emission dynamics of arctic plants, supplement to: Tang, Jing; Schurgers, Guy; Valolahti, Hanna; Faubert, Patrick; Tiiva, Päivi; Michelsen, Anders; Rinnan, Riikka (2016): Challenges in modelling isoprene and monoterpene emission dynamics of arctic plants: a case study from a subarctic tundra heath. Biogeosciences, 13, 6651-6667 |
topic_facet |
File content File name File format File size Uniform resource locator/link to file Multiple investigations |
description |
The Arctic is warming at twice the global average speed, and the warming-induced increases in biogenic volatile organic compounds (BVOCs) emissions from Arctic plants are expected to be drastic. The current global models' estimations of minimal BVOC emissions from the Arctic are based on very few observations and have been challenged increasingly by field data. This study applied a dynamic ecosystem model, LPJ-GUESS, as a platform to investigate short-term and long-term BVOC emission responses to Arctic climate warming. Field observations in a subarctic tundra heath with long-term (13-year) warming treatments were extensively used for parameterizing and evaluating BVOC-related processes (photosynthesis, emission responses to temperature and vegetation composition). We propose an adjusted temperature (T) response curve for Arctic plants with much stronger T sensitivity than the commonly used algorithms for large-scale modelling. The simulated emission responses to 2 °C warming between the adjusted and original T response curves were evaluated against the observed warming responses (WRs) at short-term scales. Moreover, the model responses to warming by 4 and 8 °C were also investigated as a sensitivity test. The model showed reasonable agreement to the observed vegetation CO2 fluxes in the main growing season as well as day-to-day variability of isoprene and monoterpene emissions. The observed relatively high WRs were better captured by the adjusted T response curve than by the common one. During 1999?2012, the modelled annual mean isoprene and monoterpene emissions were 20 and 8 mg C/m**2/yr with an increase by 55 and 57 % for 2 °C summertime warming, respectively. Warming by 4 and 8 °C for the same period further elevated isoprene emission for all years, but the impacts on monoterpene emissions levelled off during the last few years. |
format |
Dataset |
author |
Tang, Jing Schurgers, Guy Valolahti, Hanna Faubert, Patrick Tiiva, Päivi Michelsen, Anders Rinnan, Riikka |
author_facet |
Tang, Jing Schurgers, Guy Valolahti, Hanna Faubert, Patrick Tiiva, Päivi Michelsen, Anders Rinnan, Riikka |
author_sort |
Tang, Jing |
title |
Challenges in modelling isoprene and monoterpene emission dynamics of arctic plants, supplement to: Tang, Jing; Schurgers, Guy; Valolahti, Hanna; Faubert, Patrick; Tiiva, Päivi; Michelsen, Anders; Rinnan, Riikka (2016): Challenges in modelling isoprene and monoterpene emission dynamics of arctic plants: a case study from a subarctic tundra heath. Biogeosciences, 13, 6651-6667 |
title_short |
Challenges in modelling isoprene and monoterpene emission dynamics of arctic plants, supplement to: Tang, Jing; Schurgers, Guy; Valolahti, Hanna; Faubert, Patrick; Tiiva, Päivi; Michelsen, Anders; Rinnan, Riikka (2016): Challenges in modelling isoprene and monoterpene emission dynamics of arctic plants: a case study from a subarctic tundra heath. Biogeosciences, 13, 6651-6667 |
title_full |
Challenges in modelling isoprene and monoterpene emission dynamics of arctic plants, supplement to: Tang, Jing; Schurgers, Guy; Valolahti, Hanna; Faubert, Patrick; Tiiva, Päivi; Michelsen, Anders; Rinnan, Riikka (2016): Challenges in modelling isoprene and monoterpene emission dynamics of arctic plants: a case study from a subarctic tundra heath. Biogeosciences, 13, 6651-6667 |
title_fullStr |
Challenges in modelling isoprene and monoterpene emission dynamics of arctic plants, supplement to: Tang, Jing; Schurgers, Guy; Valolahti, Hanna; Faubert, Patrick; Tiiva, Päivi; Michelsen, Anders; Rinnan, Riikka (2016): Challenges in modelling isoprene and monoterpene emission dynamics of arctic plants: a case study from a subarctic tundra heath. Biogeosciences, 13, 6651-6667 |
title_full_unstemmed |
Challenges in modelling isoprene and monoterpene emission dynamics of arctic plants, supplement to: Tang, Jing; Schurgers, Guy; Valolahti, Hanna; Faubert, Patrick; Tiiva, Päivi; Michelsen, Anders; Rinnan, Riikka (2016): Challenges in modelling isoprene and monoterpene emission dynamics of arctic plants: a case study from a subarctic tundra heath. Biogeosciences, 13, 6651-6667 |
title_sort |
challenges in modelling isoprene and monoterpene emission dynamics of arctic plants, supplement to: tang, jing; schurgers, guy; valolahti, hanna; faubert, patrick; tiiva, päivi; michelsen, anders; rinnan, riikka (2016): challenges in modelling isoprene and monoterpene emission dynamics of arctic plants: a case study from a subarctic tundra heath. biogeosciences, 13, 6651-6667 |
publisher |
PANGAEA - Data Publisher for Earth & Environmental Science |
publishDate |
2016 |
url |
https://dx.doi.org/10.1594/pangaea.869465 https://doi.pangaea.de/10.1594/PANGAEA.869465 |
long_lat |
ENVELOPE(-45.033,-45.033,-60.733,-60.733) ENVELOPE(12.583,12.583,65.098,65.098) |
geographic |
Arctic Michelsen Rinnan |
geographic_facet |
Arctic Michelsen Rinnan |
genre |
Arctic Subarctic Tundra |
genre_facet |
Arctic Subarctic Tundra |
op_relation |
https://dx.doi.org/10.5194/bg-13-6651-2016 |
op_rights |
Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/legalcode cc-by-3.0 |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.1594/pangaea.869465 https://doi.org/10.5194/bg-13-6651-2016 |
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1766315941472239616 |