Connecting active to passive fluorescence with photosynthesis: a method for evaluating remote sensing measurements of Chl fluorescence
Recent advances in the retrieval of Chl fluorescence from space using passive methods (solar-induced Chl fluorescence, SIF) promise improved mapping of plant photosynthesis globally. However, unresolved issues related to the spatial, spectral, and temporal dynamics of vegetation fluorescence complic...
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| Veröffentlicht in: | The New phytologist 2017-09, Vol.215 (4), p.1594-1608 |
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| creator | Magney, Troy S. Frankenberg, Christian Fisher, Joshua B. Sun, Ying North, Gretchen B. Davis, Thomas S. Kornfeld, Ari Siebke, Katharina |
| description | Recent advances in the retrieval of Chl fluorescence from space using passive methods (solar-induced Chl fluorescence, SIF) promise improved mapping of plant photosynthesis globally. However, unresolved issues related to the spatial, spectral, and temporal dynamics of vegetation fluorescence complicate our ability to interpret SIF measurements.
We developed an instrument to measure leaf-level gas exchange simultaneously with pulse-amplitude modulation (PAM) and spectrally resolved fluorescence over the same field of view – allowing us to investigate the relationships between active and passive fluorescence with photosynthesis.
Strongly correlated, slope-dependent relationships were observed between measured spectra across all wavelengths (Fλ
, 670–850 nm) and PAM fluorescence parameters under a range of actinic light intensities (steady-state fluorescence yields, F
t) and saturation pulses (maximal fluorescence yields, F
m). Our results suggest that this method can accurately reproduce the full Chl emission spectra – capturing the spectral dynamics associated with changes in the yields of fluorescence, photochemical (ΦPSII), and nonphotochemical quenching (NPQ).
We discuss how this method may establish a link between photosynthetic capacity and the mechanistic drivers of wavelength-specific fluorescence emission during changes in environmental conditions (light, temperature, humidity). Our emphasis is on future research directions linking spectral fluorescence to photosynthesis, ΦPSII, and NPQ. |
| doi_str_mv | 10.1111/nph.14662 |
| format | Article |
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We developed an instrument to measure leaf-level gas exchange simultaneously with pulse-amplitude modulation (PAM) and spectrally resolved fluorescence over the same field of view – allowing us to investigate the relationships between active and passive fluorescence with photosynthesis.
Strongly correlated, slope-dependent relationships were observed between measured spectra across all wavelengths (Fλ
, 670–850 nm) and PAM fluorescence parameters under a range of actinic light intensities (steady-state fluorescence yields, F
t) and saturation pulses (maximal fluorescence yields, F
m). Our results suggest that this method can accurately reproduce the full Chl emission spectra – capturing the spectral dynamics associated with changes in the yields of fluorescence, photochemical (ΦPSII), and nonphotochemical quenching (NPQ).
We discuss how this method may establish a link between photosynthetic capacity and the mechanistic drivers of wavelength-specific fluorescence emission during changes in environmental conditions (light, temperature, humidity). Our emphasis is on future research directions linking spectral fluorescence to photosynthesis, ΦPSII, and NPQ.</description><identifier>ISSN: 0028-646X</identifier><identifier>EISSN: 1469-8137</identifier><identifier>DOI: 10.1111/nph.14662</identifier><identifier>PMID: 28664542</identifier><language>eng</language><publisher>England: New Phytologist Trust</publisher><subject>Capacity ; Chl fluorescence ; Chlorophyll ; Chlorophyll - analysis ; Computer Simulation ; Connecting ; Dynamics ; Emission measurements ; Emission spectra ; Environmental conditions ; Field of view ; Fluorescence ; fluorescence spectra ; Gas exchange ; gross primary production ; leaf level ; Leaves ; Luminous intensity ; Mapping ; Methods ; Photochemistry ; Photosynthesis ; Photosynthesis - radiation effects ; Plant Leaves - metabolism ; Plant Leaves - radiation effects ; Pulse amplitude modulation ; pulse‐amplitude modulation (PAM) ; Remote sensing ; Remote Sensing Technology - methods ; Saturation ; Soil - chemistry ; solar induced Chl fluorescence (SIF) ; Spectra ; Spectrometry, Fluorescence ; Temperature effects ; Terminology as Topic ; Vegetation ; Wavelength ; Wavelengths ; Yield</subject><ispartof>The New phytologist, 2017-09, Vol.215 (4), p.1594-1608</ispartof><rights>2017 New Phytologist Trust</rights><rights>2017 The Authors. New Phytologist © 2017 New Phytologist Trust</rights><rights>2017 The Authors. New Phytologist © 2017 New Phytologist Trust.</rights><rights>Copyright © 2017 New Phytologist Trust</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4102-c450a69d237c291e2fdbcc35ffd3120f66fb15aa55ebfa5d97648214f301199a3</citedby><cites>FETCH-LOGICAL-c4102-c450a69d237c291e2fdbcc35ffd3120f66fb15aa55ebfa5d97648214f301199a3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/90011681$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/90011681$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>314,780,784,803,1416,1432,27922,27923,45572,45573,46407,46831,58015,58248</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/28664542$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Magney, Troy S.</creatorcontrib><creatorcontrib>Frankenberg, Christian</creatorcontrib><creatorcontrib>Fisher, Joshua B.</creatorcontrib><creatorcontrib>Sun, Ying</creatorcontrib><creatorcontrib>North, Gretchen B.</creatorcontrib><creatorcontrib>Davis, Thomas S.</creatorcontrib><creatorcontrib>Kornfeld, Ari</creatorcontrib><creatorcontrib>Siebke, Katharina</creatorcontrib><title>Connecting active to passive fluorescence with photosynthesis: a method for evaluating remote sensing measurements of Chl fluorescence</title><title>The New phytologist</title><addtitle>New Phytol</addtitle><description>Recent advances in the retrieval of Chl fluorescence from space using passive methods (solar-induced Chl fluorescence, SIF) promise improved mapping of plant photosynthesis globally. However, unresolved issues related to the spatial, spectral, and temporal dynamics of vegetation fluorescence complicate our ability to interpret SIF measurements.
We developed an instrument to measure leaf-level gas exchange simultaneously with pulse-amplitude modulation (PAM) and spectrally resolved fluorescence over the same field of view – allowing us to investigate the relationships between active and passive fluorescence with photosynthesis.
Strongly correlated, slope-dependent relationships were observed between measured spectra across all wavelengths (Fλ
, 670–850 nm) and PAM fluorescence parameters under a range of actinic light intensities (steady-state fluorescence yields, F
t) and saturation pulses (maximal fluorescence yields, F
m). Our results suggest that this method can accurately reproduce the full Chl emission spectra – capturing the spectral dynamics associated with changes in the yields of fluorescence, photochemical (ΦPSII), and nonphotochemical quenching (NPQ).
We discuss how this method may establish a link between photosynthetic capacity and the mechanistic drivers of wavelength-specific fluorescence emission during changes in environmental conditions (light, temperature, humidity). Our emphasis is on future research directions linking spectral fluorescence to photosynthesis, ΦPSII, and NPQ.</description><subject>Capacity</subject><subject>Chl fluorescence</subject><subject>Chlorophyll</subject><subject>Chlorophyll - analysis</subject><subject>Computer Simulation</subject><subject>Connecting</subject><subject>Dynamics</subject><subject>Emission measurements</subject><subject>Emission spectra</subject><subject>Environmental conditions</subject><subject>Field of view</subject><subject>Fluorescence</subject><subject>fluorescence spectra</subject><subject>Gas exchange</subject><subject>gross primary production</subject><subject>leaf level</subject><subject>Leaves</subject><subject>Luminous intensity</subject><subject>Mapping</subject><subject>Methods</subject><subject>Photochemistry</subject><subject>Photosynthesis</subject><subject>Photosynthesis - radiation effects</subject><subject>Plant Leaves - metabolism</subject><subject>Plant Leaves - radiation effects</subject><subject>Pulse amplitude modulation</subject><subject>pulse‐amplitude modulation (PAM)</subject><subject>Remote sensing</subject><subject>Remote Sensing Technology - methods</subject><subject>Saturation</subject><subject>Soil - chemistry</subject><subject>solar induced Chl fluorescence (SIF)</subject><subject>Spectra</subject><subject>Spectrometry, Fluorescence</subject><subject>Temperature effects</subject><subject>Terminology as Topic</subject><subject>Vegetation</subject><subject>Wavelength</subject><subject>Wavelengths</subject><subject>Yield</subject><issn>0028-646X</issn><issn>1469-8137</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp1kT9PwzAQxS0EoqUw8AFAkVhgSOv_iQcGVAFFqoABJLbISWySKo2DnVD12-OStgMSHvxu-N3T3TsAzhEcI_8mdVOMEeUcH4ChVxHGiESHYAghjkNO-ccAnDi3gBAKxvExGOCYc8ooHoLbqalrlbVl_RlIL98qaE3QSOc2pa46Y5XLVJ2pYFW2RdAUpjVuXbeFcqU7BUdaVk6dbXUE3h_u36azcP7y-DS9m4cZRRD7n0HJRY5JlGGBFNZ5mmWEaZ0ThKHmXKeIScmYSrVkuYg4jTGimkCEhJBkBK5738aar065NlmWfqqqkrUynUuQQIxQEseRR6_-oAvT2dpP5ynMGIwpjT1101OZNc5ZpZPGlktp1wmCySbTxGea_Gbq2cutY5cuVb4ndyF6YNIDq7JS6_-dkufX2c7you9YuNbYfYeAfl_uj_cDUf-Jag</recordid><startdate>20170901</startdate><enddate>20170901</enddate><creator>Magney, Troy S.</creator><creator>Frankenberg, Christian</creator><creator>Fisher, Joshua B.</creator><creator>Sun, Ying</creator><creator>North, Gretchen B.</creator><creator>Davis, Thomas S.</creator><creator>Kornfeld, Ari</creator><creator>Siebke, Katharina</creator><general>New Phytologist Trust</general><general>Wiley Subscription Services, Inc</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QO</scope><scope>7SN</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>FR3</scope><scope>H95</scope><scope>L.G</scope><scope>M7N</scope><scope>P64</scope><scope>RC3</scope><scope>7X8</scope></search><sort><creationdate>20170901</creationdate><title>Connecting active to passive fluorescence with photosynthesis</title><author>Magney, Troy S. ; 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However, unresolved issues related to the spatial, spectral, and temporal dynamics of vegetation fluorescence complicate our ability to interpret SIF measurements.
We developed an instrument to measure leaf-level gas exchange simultaneously with pulse-amplitude modulation (PAM) and spectrally resolved fluorescence over the same field of view – allowing us to investigate the relationships between active and passive fluorescence with photosynthesis.
Strongly correlated, slope-dependent relationships were observed between measured spectra across all wavelengths (Fλ
, 670–850 nm) and PAM fluorescence parameters under a range of actinic light intensities (steady-state fluorescence yields, F
t) and saturation pulses (maximal fluorescence yields, F
m). Our results suggest that this method can accurately reproduce the full Chl emission spectra – capturing the spectral dynamics associated with changes in the yields of fluorescence, photochemical (ΦPSII), and nonphotochemical quenching (NPQ).
We discuss how this method may establish a link between photosynthetic capacity and the mechanistic drivers of wavelength-specific fluorescence emission during changes in environmental conditions (light, temperature, humidity). Our emphasis is on future research directions linking spectral fluorescence to photosynthesis, ΦPSII, and NPQ.</abstract><cop>England</cop><pub>New Phytologist Trust</pub><pmid>28664542</pmid><doi>10.1111/nph.14662</doi><tpages>15</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | The New phytologist, 2017-09, Vol.215 (4), p.1594-1608 |
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| source | MEDLINE; JSTOR Archive Collection A-Z Listing; Wiley Free Content; EZB-FREE-00999 freely available EZB journals; Wiley Online Library All Journals |
| subjects | Capacity Chl fluorescence Chlorophyll Chlorophyll - analysis Computer Simulation Connecting Dynamics Emission measurements Emission spectra Environmental conditions Field of view Fluorescence fluorescence spectra Gas exchange gross primary production leaf level Leaves Luminous intensity Mapping Methods Photochemistry Photosynthesis Photosynthesis - radiation effects Plant Leaves - metabolism Plant Leaves - radiation effects Pulse amplitude modulation pulse‐amplitude modulation (PAM) Remote sensing Remote Sensing Technology - methods Saturation Soil - chemistry solar induced Chl fluorescence (SIF) Spectra Spectrometry, Fluorescence Temperature effects Terminology as Topic Vegetation Wavelength Wavelengths Yield |
| title | Connecting active to passive fluorescence with photosynthesis: a method for evaluating remote sensing measurements of Chl fluorescence |
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