Počet záznamů: 1
Diffuse solar radiation and canopy photosynthesis in a changing environment
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SYSNO ASEP 0548107 Druh ASEP J - Článek v odborném periodiku Zařazení RIV J - Článek v odborném periodiku Poddruh J Článek ve WOS Název Diffuse solar radiation and canopy photosynthesis in a changing environment Tvůrce(i) Durand, M. (FI)
Murchie, E. H. (GB)
Lindfors, A. (FI)
Urban, Otmar (UEK-B) RID, ORCID, SAI
Aphalo, P. J. (FI)
Robson, T. M. (FI)Celkový počet autorů 6 Číslo článku 108684 Zdroj.dok. Agricultural and Forest Meteorology. - : Elsevier - ISSN 0168-1923
Roč. 311, OCT (2021)Poč.str. 13 s. Forma vydání Tištěná - P Jazyk dok. eng - angličtina Země vyd. NL - Nizozemsko Klíč. slova gross primary productivity ; net ecosystem exchange ; aerosol optical-properties ; biomass burning aerosols ; carbon-dioxide exchange ; water-vapor exchange ; elevated co2 ; climate-change ; atmospheric particles ; nitrogen distribution ; Diffuse radiation ; Aerosols ; Clouds ; Climate change ; Spectral composition ; Photosynthesis Vědní obor RIV DG - Vědy o atmosféře, meteorologie Obor OECD Climatic research CEP EF16_019/0000797 GA MŠMT - Ministerstvo školství, mládeže a tělovýchovy Výzkumná infrastruktura CzeCOS III - 90123 - Ústav výzkumu globální změny AV ČR, v. v. i. Způsob publikování Open access Institucionální podpora UEK-B - RVO:86652079 UT WOS 000710990900007 EID SCOPUS 85118760473 DOI 10.1016/j.agrformet.2021.108684 Anotace The sunlight received by plants is affected by cloudiness and pollution. Future changes in cloud cover will differ among regions, while aerosol concentrations are expected to continue increasing globally as a result of wildfires, fossil fuel combustion, and industrial pollution. Clouds and aerosols increase the diffuse fraction and modify the spectral composition of incident solar radiation, and both will affect photosynthesis and terrestrial ecosystem productivity. Thus, an assessment of how canopy and leaf level processes respond to these changes is needed as part of accurately forecasting future global carbon assimilation. To review these processes and their implications,first, we discuss the physical basis of the effect of clouds and aerosols on solar radiation as it penetrates the atmosphere second, we consider how direct and diffuse radiation are absorbed and transmitted by plant canopies and their leaves and finally, we assess the consequences for photosynthesis at the canopy and ecosystem levels. Photobiology will be affected at the atmospheric level by a shift in spectral composition toward shorter or longer wavelengths under clouds or aerosols, respectively, due to different scattering. Changes in the microclimate and spectral composition of radiation due to an enhanced diffuse fraction also depend on the acclimation of canopy architectural and physiological traits, such as leaf area index, orientation, and clumping. Together with an enhancement of light-use efficiency, this makes the effect of diffuse solar radiation on canopy photosynthesis a multilayered phenomenon, requiring experimental testing to capture those complex interactions that will determine whether it produces the persistent enhancement in carbon assimilation that land-surface models currently predict. Pracoviště Ústav výzkumu globální změny Kontakt Nikola Šviková, svikova.n@czechglobe.cz, Tel.: 511 192 268 Rok sběru 2022 Elektronická adresa https://www.sciencedirect.com/science/article/pii/S0168192321003701?via%3Dihub
Počet záznamů: 1