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@ARTICLE{Aasen:864850,
      author       = {Aasen and Wittenberghe, Van and Medina and Damm and Goulas
                      and Wieneke and Hueni and Malenovský and Alonso and
                      Pacheco-Labrador and Cendrero-Mateo and Tomelleri and
                      Burkart and Cogliati and Rascher, Uwe and Mac Arthur,
                      Alasdair},
      title        = {{S}un-{I}nduced {C}hlorophyll {F}luorescence {II}: {R}eview
                      of {P}assive {M}easurement {S}etups, {P}rotocols, and
                      {T}heir {A}pplication at the {L}eaf to {C}anopy {L}evel},
      journal      = {Remote sensing},
      volume       = {11},
      number       = {8},
      issn         = {2072-4292},
      address      = {Basel},
      publisher    = {MDPI},
      reportid     = {FZJ-2019-04497},
      pages        = {927 -},
      year         = {2019},
      abstract     = {Imaging and non-imaging spectroscopy employed in the field
                      and from aircraft is frequently used to assess biochemical,
                      structural, and functional plant traits, as well as their
                      dynamics in an environmental matrix. With the increasing
                      availability of high-resolution spectroradiometers, it has
                      become feasible to measure fine spectral features, such as
                      those needed to estimate sun-induced chlorophyll
                      fluorescence (F), which is a signal related to the
                      photosynthetic process of plants. The measurement of F
                      requires highly accurate and precise radiance measurements
                      in combination with very sophisticated measurement
                      protocols. Additionally, because F has a highly dynamic
                      nature (compared with other vegetation information derived
                      from spectral data) and low signal intensity, several
                      environmental, physiological, and experimental aspects have
                      to be considered during signal acquisition and are key for
                      its reliable interpretation. The European Cooperation in
                      Science and Technology (COST) Action ES1309 OPTIMISE has
                      produced three articles addressing the main challenges in
                      the field of F measurements. In this paper, which is the
                      second of three, we review approaches that are available to
                      measure F from the leaf to the canopy scale using
                      ground-based and airborne platforms. We put specific
                      emphasis on instrumental aspects, measurement setups,
                      protocols, quality checks, and data processing strategies.
                      Furthermore, we review existing techniques that account for
                      atmospheric influences on F retrieval, address spatial
                      scaling effects, and assess quality checks and the metadata
                      and ancillary data required to reliably interpret retrieved
                      F signals},
      cin          = {IBG-2},
      ddc          = {620},
      cid          = {I:(DE-Juel1)IBG-2-20101118},
      pnm          = {582 - Plant Science (POF3-582)},
      pid          = {G:(DE-HGF)POF3-582},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000467646800037},
      doi          = {10.3390/rs11080927},
      url          = {https://juser.fz-juelich.de/record/864850},
}