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Publications 1998 2019

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2018

Drone Measurements of Solar-Induced Chlorophyll Fluorescence Acquired with a Low-Weight DFOV Spectrometer System

Atherton, J., MacArthur, A., Hakala, T., Maseyk, K., Robinson, I., Liu, W., Honkavaara, E. & Porcar-Castell, A., 2018, IGARSS 2018: 2018 IEEE International Geoscience and Remote Sensing Symposium. IEEE, p. 8834-8836 3 p. (IEEE International Symposium on Geoscience and Remote Sensing IGARSS).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Investigating Forest Photosynthetic Response to Elevated CO2Using Uav-Based Measurements of Solar Induced Fluorescence

Maseyk, K., Atherton, J., Thomas, R., Wood, K., Tausz-Posch, S., MacArthur, A., Porcar-Castell, A. & Tausz, M., 2018, IGARSS 2018: 2018 IEEE International Geoscience and Remote Sensing Symposium. IEEE, p. 8830-8833 4 p. (IEEE International Symposium on Geoscience and Remote Sensing IGARSS).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

2017

A new method to measure chlorophyll a fluorescence spectra emitted from whole tree canopies

Atherton, J. M., Liu, W. & Porcar Castell, J. A., 2017, Proceedings of ‘The Centre of Excellence in Atmospheric Science (CoE ATM) - From Molecular and Biological processes to The Global Climate’ Annual Meeting 2017. Haapanala, P., Lintunen, A., Enroth, J. & Kulmala, M. (eds.). Helsinki: Finnish Association for Aerosol Research FAAR, p. 143-145 3 p. (Report Series in Aerosol Science; no. 202).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

Upscaling of solar induced chlorophyll fluorescence from leaf to canopy using the DART model and a realistic 3D forest scene

Liu, W., Atherton, J. M., Mottus, M., MacArthur, A., Teemu, H., Maseyk, K., Robinson, I., Honkavaara, E. & Porcar Castell, J. A., 25 Oct 2017, The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences,. 107-111 ed. ISPRS, Vol. XLII-3/W3. p. 1-5 5 p. (The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

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2014

ASSESSING OPTICAL PROPERTIES IN LEAVES

Olascoaga Gracia, B., MacArthur, A., Atherton, J. M. & Porcar Castell, J. A., 2014, Proceedings of 'the Center of Excellence in Atmospheric Sciences (CoE ATM) : From Molecular and Biological Processes to the Global Climate’ Annual Meeting 2014. Kulmala, M., Lintunen, A. & Kontkanen, J. (eds.). Helsinki: Finnish Association for Aerosol Research, FAAR, p. 484-486 3 p. (Report Series in Aerosol Science; no. 157 (2014)).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

MEASUREMENT AND MODELLING OF PHYSIOLOGICAL LEAF OPTICAL DYNAMICS

Atherton, J. M., Nichol, C., Olascoaga Gracia, B. & Porcar Castell, J. A., 2014, Proceedings of 'the Center of Excellence in Atmospheric Sciences (CoE ATM): From Molecular and Biological Processes to the Global Climate’ Annual Meeting 2014. Kulmala, M., Lintunen, A. & Kontkanen, J. (eds.). Helsinki: Finnish Association for Aerosol Research, FAAR, p. 175-178 4 p. (Report Series in Aerosol Science; no. 157 (2014)).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

2013

A mechanistic model for the estimation of quantum yield of photochemistry based on light, temperature, and chlorophyll a fluorescence

Olascoaga, B. & Porcar Castell, J. A., 2013, Proceedings of the 7th International Conference on Functional-Structural Plant Models. Sievänen, R., Nikinmaa, E., Godin, C., Lintunen, A. & Nygren, P. (eds.). Finnish Society of Forest Science, p. 135 1 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

Freezing associated depression of photosynthesis of Scots pine seedlings

Lindfors, L., Hölttä, T., Lintunen, A., Porcar-Castell, A., Nikinmaa, E. & Juurola, E., 2013, Proceedings of FCoE in 'Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change' Annual Meeting 2013. p. 339-342 4 p. (Report Series in Aerosol Science; vol. Nro 142 (2013)).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

Interpretation of temporal dynamics in leaf-level chlorophyll fluorescence: a mechanistic model

Porcar-Castell, A., Olascoaga Gracia, B., Atherton, J. M., Berninger, F. & Kolari, P., 2013, Proceedings of FCoE in 'Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change' Annual Meeting 2013. p. 452-454 3 p. (Report Series in Aerosol Science; vol. Nro 142 (2013)).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

Springtime monoterpene emission bursts from Scots pine in the light of photosynthesis recovery dynamics

Aalto, J., Kolari, P., Porcar-Castell, A. & Bäck, J., 2013, Proceedings of FCoE in 'Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change' Annual Meeting 2013. p. 144-146 3 p. (Report Series in Aerosol Science; vol. Nro 142 (2013)).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

The relationship between fluorescence yield and photochemical yield in the presence of photoinhibition of reaction centres

Olascoaga Gracia, B. & Porcar-Castell, A., 2013, Proceedings of FCoE in 'Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change' Annual Meeting 2013. Helsinki: Finnish Association for Aerosol Research, FAAR, p. 433-436 4 p. (Report Series in Aerosol Science; vol. Nro 142 (2013)).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

2012

An alternative approach to PAR absorptance estimation in needles

Olascoaga Gracia, B., MacArthur, A. & Porcar-Castell, A., 2012, Proceedings of the Finnish Doctoral Programme in Atmospheric Composition and Climate Change ACCC Annual Meeting 9.-10.1.2012. Kulmala, M., Lauri, A., Brus, M. & Nieminen, T. (eds.). Helsinki: Finnish Association for Aerosol Research, p. 52 1 p. (Report series in aerosol science; no. 129).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

On the interpretation of satellite chlorophyll fluorescence data: A theoretical framework for the analysis of seasonal variations in leaf-level chlorophyll fluorescence considering both photosystems

Porcar-Castell, A., 2012, Proceedings of the Finnish Center of Excellence "Research Unit on Physics, Chemistry and Biology of Atmospheric Composition and Climate Change". : Annual Workshop 19-21.9.2012. Vol. 134. p. 524-527 4 p. (Report Series in Aerosol Science).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

2011

Influence of temperature in the recovery from photodamage in Pinus sylvestris L.

Olascoaga Gracia, B., Porcar-Castell, A. & Nikinmaa, E., 2011, Proceedings of the Finnish Center of Excellence and Graduate School in 'Physics, Chemistry, Biology and Meteorology ofAtmospheric Composition and Climate Change'. Helsinki

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

Photoprotective role of epicuticular waxes in boreal Scots pine (Pinus sylvestris L.)

Olascoaga Gracia, B., Porcar-Castell, A., Juurola, E., Bäck, J. & Nikinmaa, E., 2011, Proceedings of CRAICC Annual Meeting 2011. p. 129-132 4 p. (Report series in aerosol science; vol. 128).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

Physiological factors uncoupling the photochemical reflectance index (PRI) from the photosynthetic light use efficiency (LUE)

Porcar-Castell, A., Garci-Plazaola, I., Nichol, C., Kolari, P., Olascoaga Gracia, B., Esteban, R. & Nikinmaa, E., 2011, Proceedings of the Finnish Center of Excellence and Graduate School in 'Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change'. p. 318-320 3 p. (Report series in aerosol science; vol. 126).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

2010

Effect of epicuticular waxes on the absorptance of visible light in Scots pine needles (Pinus sylvestris L.): Influence of needle age and position in the canopy

Olascoaga, B., Porcar-Castell, A., Juurola, E., Bäck, J. & Nikinmaa, E., 2010, Proceedings of the Finnish Center of Excellence and Graduate School in 'Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change' Annual Workshop 17.-19.5.2010. Finnish Association for Aerosol Research, (Report Series in Aerosol Science; vol. 109).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

The changes in raffinose concentration in Scots pine trees after girdling – link to photosynthetic down regulation

Juurola, E., Korhonen, J., Porcar-Castell, A., Bäck, J., Pumpanen, J., Hölttä, T. & Nikinmaa, E., 2010, Proceedings of the Finnish Center of Excellence and Graduate School in 'Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change' Annual Workshop 17.-19.5.2010. Finnish Association for Aerosol Research, 4 p. (Report Series in Aerosol Science; no. 109).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

2009

A new approach to remote sensing of plant physiological status and GPP

Porcar-Castell, A., 2009, Annual workshop / Finnish Center of Excellence and Graduate School in "Physics, Chemistry, Biology and Meteorology of Atmospheric Composition and Climate Change. Finnish Association for Aerosol Research, p. 349-351 3 p. (Report Series in Aerosol Science).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

2008

Advances in the monitoring of acclimation of the light rections by means of chlorophyll fluorescence

Porcar-Castell, A., Juurola, E., Hari, P. & Nikinmaa, E., 2008, Proceedings of the Finnish graduate school "Physics, chemistry, biology and meteorology of atmospheric composition and climate change" workshop 22.-23.4.2008 / editors: Markku Kulmala and Antti Lauri. Kulmala, M. & Lauri, A. (eds.). Helsinki: Finnish Association for Aerosol Research, p. 59 1 p. (Report series in aerosol science; no. 97).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

Impacts of blocking phloem transport on whole tree carbon balance

Juurola, E., Nikinmaa, E., Bäck, J., Pumpanen, J., Porcar-Castell, A., Korhonen, J., Pihlatie, M., Aaltonen, H., Hölttä, T. & Hakola, H., 2008, Proceedings of the Finnish Center of Excellence "Research Unit on Physics, Chemistry and Biology of Atmospheric Composition and Climate Change" activities in 2002-2007 / editors: Markku Kulmala, Jaana Bäck, and Martta Salonen. Kulmala, M., Bäck, J. & Salonen, M. (eds.). p. 52-57 6 p. (Report series in aerosol science; no. 94).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

Studying the diurnal and seasonal acclimation of the light reactions of photosynthesis through chlorophyll fluorescence

Porcar Castell, J. A., Juurola, E., Bäck, J., Ensminger, I., Berninger, F., Nikinmaa, E. & Hari, P., 2008, Proceedings of the Finnish Center of Excellence "Research Unit on Physics, Chemistry and Biology of Atmospheric Composition and Climate Change" activities in 2002-2007 / editors: Markku Kulmala, Jaana Bäck, and Martta Salonen. Finnish Association for Aerosol Research, p. 112-117 6 p. (Report series in aerosol science; no. 94).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

2007

Responses of Scots pine to changes in Carbon Sinks: Can VOC emissions act as a safety valve?

Bäck, J., Juurola, E., Nikinmaa, E., Porcar-Castell, A., Alam, S. A., Korhonen, J. & Hakola, H., 2007, Biosphere-Atmosphere Studies: Workshop organized by the REBECCA (Responses of boreal ecosystem carbon exchange, in different spatio-temporal scales) and URPO (Urban and Rural Pollution) research consortia, Helsinki 20.4.2007. Bäck, J., Vehkamäki, H. & Vesala, T. (eds.). Finnish Association for Aerosol Research, p. 7-12 6 p. (Report Series in Aerosol Science; no. 87).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

2006

Girdling derived Sink limitation down-regulates the photosynthetic activity and modifies BVOC production in Scots pine under natural conditions

Nikinmaa, E., Bäck, J., Juurola, E., Porcar-Castell, A. & Korhonen, J., 2006, Integrated land ecosystem - atmosphere processes study : proceedings of the 1st iLEAPS Science Conference Boulder, Colorado, USA, 21-26 January 2006. Reissell, A. & Aarflot, A. (eds.). Helsinki: Finnish Association for Aerosol Research, p. 88-89 2 p. (Report Series in Aerosol Science; no. 79).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Photosynthetic acclimation gradient in a crown of Scots Pine during spring recovery

Porcar-Castell, A., Juurola, E., Nikinmaa, E., Berninger, F., Ensminger, I. & Hari, P., 2006, Proceedings of BACCI, NECC and FCoE activities 2005. Kulmala, M., Lindroth, A. & Ruuskanen, T. M. (eds.). Helsinki: Finnish Association for Aerosol Research, p. 455-457 3 p. (Report series in aerosol science; no. 81B).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

2005

A mechanistic model of the light reactions of photosynthesis

Porcar-Castell, A., Bäck, J., Juurola, E. & Hari, P., 2005, Research unit on physics, chemistry and biology of atmospheric composition and climate change: III progress report and proceedings Pallas 29.3.-1.4.2005. Kulmala, M. & Ruuskanen, T. M. (eds.). Helsinki: Finnish Association for Aerosol Research, p. 228-232 5 p. (Report series in aerosol science; no. 73).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

BVOC emissions and their relation to carbohydrate balance in Scots pine

Bäck, J., Juurola, E., Nikinmaa, E., Porcar-Castell, A., Hakola, H. & Korhonen, J., 2005, Symposium on Urban and Rural Air Pollution – Response of Ecosystem and Society (URPO) in Helsinki 14.11.2005 . Bäck, J. (ed.). Helsinki: Finnish Association for Aerosol Research, p. 17-20 4 p. (Report series in aerosol science; no. 77).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

Can temperature-light-interactions explain site-specific differences of the spring recovery of phtosynthesis in boreal Scots pine?

Porcar-Castell, A., Ensminger, I., Berninger, F., Juurola, E., Nikinmaa, E. & Hari, P., 2005, Photosynthesis: Fundamental Aspects to Global Perspectives: Jaana Bäck]. Carpentier, R., Bruce, D. & Van der Est, A. (eds.). Lawrence, KS: Allen Press Inc., Vol. 2. p. 591-593 3 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

2003

Light and Temperature induced cessation and recovery of photosynthesis during winter and spring

Juurola, E., Nikinmaa, E., Jalonen, R., Porcar-Castell, A., Berninger, F., Ensminger, I. & Hari, P., 2003, Proceedings of ILeaps: Integrated land-ecosystem-atmosphere Processes Study. International Open Science Conference. p. 181-186 (Report Series in Aerosol Science; no. 62).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific