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Statements

Subject Item
n2:RIV%2F00216208%3A11310%2F12%3A10127582%21RIV13-GA0-11310___
rdf:type
skos:Concept n8:Vysledek
rdfs:seeAlso
http://dx.doi.org/10.1117/1.JRS.6.063545
dcterms:description
The work is concerned with assessing the health status of trees of the Norway spruce species using airborne hyperspectral (HS) data (HyMap). The study was conducted in the Sokolov basin in the western part of the Czech Republic. First, statistics were employed to assess and validate diverse empirical models based on spectral information using the ground truth data (biochemically determined chlorophyll content). The model attaining the greatest accuracy (D-718/D-704:RMSE = 0.2055 mg/g, R-2 = 0.9370) was selected to produce a map of foliar chlorophyll concentrations (C-ab). The C-ab values retrieved from the HS data were tested together with other nonquantitative vegetation indicators derived from the HyMap image reflectance to create a statistical method allowing assessment of the condition of Norway spruce. As a result, we integrated the following HyMap derived parameters (C-ab, REP, and SIPI) to assess the subtle changes in physiological status of the macroscopically undamaged foliage of Norway spruce within the four studied test sites. Our classification results and the previously published studies dealing with assessing the condition of Norway spruce using chlorophyll contents are in a good agreement and indicate that this method is potentially useful for general applicability after further testing and validation. (c) 2012 Society of Photo-Optical Instrumentation Engineers (SPIE). [DOI: 10.1117/1.JRS.6.063545] The work is concerned with assessing the health status of trees of the Norway spruce species using airborne hyperspectral (HS) data (HyMap). The study was conducted in the Sokolov basin in the western part of the Czech Republic. First, statistics were employed to assess and validate diverse empirical models based on spectral information using the ground truth data (biochemically determined chlorophyll content). The model attaining the greatest accuracy (D-718/D-704:RMSE = 0.2055 mg/g, R-2 = 0.9370) was selected to produce a map of foliar chlorophyll concentrations (C-ab). The C-ab values retrieved from the HS data were tested together with other nonquantitative vegetation indicators derived from the HyMap image reflectance to create a statistical method allowing assessment of the condition of Norway spruce. As a result, we integrated the following HyMap derived parameters (C-ab, REP, and SIPI) to assess the subtle changes in physiological status of the macroscopically undamaged foliage of Norway spruce within the four studied test sites. Our classification results and the previously published studies dealing with assessing the condition of Norway spruce using chlorophyll contents are in a good agreement and indicate that this method is potentially useful for general applicability after further testing and validation. (c) 2012 Society of Photo-Optical Instrumentation Engineers (SPIE). [DOI: 10.1117/1.JRS.6.063545]
dcterms:title
Utilization of hyperspectral image optical indices to assess the Norway spruce forest health status Utilization of hyperspectral image optical indices to assess the Norway spruce forest health status
skos:prefLabel
Utilization of hyperspectral image optical indices to assess the Norway spruce forest health status Utilization of hyperspectral image optical indices to assess the Norway spruce forest health status
skos:notation
RIV/00216208:11310/12:10127582!RIV13-GA0-11310___
n8:predkladatel
n9:orjk%3A11310
n3:aktivita
n7:P n7:I n7:Z
n3:aktivity
I, P(GA205/09/1989), Z(AV0Z60870520)
n3:cisloPeriodika
1
n3:dodaniDat
n10:2013
n3:domaciTvurceVysledku
n16:9597018 n16:7380992
n3:druhVysledku
n20:J
n3:duvernostUdaju
n12:S
n3:entitaPredkladatele
n19:predkladatel
n3:idSjednocenehoVysledku
176660
n3:idVysledku
RIV/00216208:11310/12:10127582
n3:jazykVysledku
n22:eng
n3:klicovaSlova
forest management; Sokolov basin; actual physiological status; HyMap; continuum removal; Norway spruce; optical indices; chlorophyll
n3:klicoveSlovo
n4:continuum%20removal n4:Norway%20spruce n4:optical%20indices n4:chlorophyll n4:actual%20physiological%20status n4:HyMap n4:Sokolov%20basin n4:forest%20management
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[85686ABAC322]
n3:nazevZdroje
Journal of Applied Remote Sensing
n3:obor
n13:CE
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
7
n3:projekt
n15:GA205%2F09%2F1989
n3:rokUplatneniVysledku
n10:2012
n3:svazekPeriodika
6
n3:tvurceVysledku
Albrechtová, Jana Mišurec, Jan Entcheva-Campbell, Petya Hanuš, Jan Lhotáková, Zuzana Weyermann, Jörg Kopačková, Veronika
n3:wos
000306439700001
n3:zamer
n18:AV0Z60870520
s:issn
1931-3195
s:numberOfPages
25
n14:doi
10.1117/1.JRS.6.063545
n17:organizacniJednotka
11310