hyperspectral response libraryiocwestpac.org/files/upload_manual/8_nurjannah nurdin.pdfnurjannah...
TRANSCRIPT
![Page 1: Hyperspectral Response Libraryiocwestpac.org/files/upload_manual/8_Nurjannah Nurdin.pdfNurjannah Nurdin, Teruhisa Komatsu, Hiroya Yamano, Chair Rani, Gulam Arafat, Awaludinnoer Research](https://reader033.vdocuments.net/reader033/viewer/2022043004/5f858ef327ada71f707cc75a/html5/thumbnails/1.jpg)
Marine science & Fisheries Faculty, Hasanuddin University-Indonesia
Atmospere and Ocean Research Institute, The University of Tokyo
Hyperspectral Response Library :Key for Mapping the Coral covered with algae
and Rubble
Nurjannah Nurdin, Teruhisa Komatsu, Hiroya Yamano,
Chair Rani, Gulam Arafat, Awaludinnoer
![Page 2: Hyperspectral Response Libraryiocwestpac.org/files/upload_manual/8_Nurjannah Nurdin.pdfNurjannah Nurdin, Teruhisa Komatsu, Hiroya Yamano, Chair Rani, Gulam Arafat, Awaludinnoer Research](https://reader033.vdocuments.net/reader033/viewer/2022043004/5f858ef327ada71f707cc75a/html5/thumbnails/2.jpg)
Research Topics
Hyperspectral Multispectral
Laboratory measurements-Soft coral-Hard coral
2008 Capability test of ALOS AVNIR-2 with Landsat-7 ETM
In situ measurements-Living corals-Dead corals
2009 Classification Coral Reef benthiccommunities with ALOS AVNIR-2
In situ measurements-Living corals-Dead corals-Sea grass-Other reef substrate
2010 - 2011 Integrating in situ reflectance with ALOS AVNIR to detection coral health
Marine science & Fisheries Faculty, Hasanuddin University-Indonesia
Atmospere and Ocean Research Institute, The University of Tokyo
![Page 3: Hyperspectral Response Libraryiocwestpac.org/files/upload_manual/8_Nurjannah Nurdin.pdfNurjannah Nurdin, Teruhisa Komatsu, Hiroya Yamano, Chair Rani, Gulam Arafat, Awaludinnoer Research](https://reader033.vdocuments.net/reader033/viewer/2022043004/5f858ef327ada71f707cc75a/html5/thumbnails/3.jpg)
- Knowledge on the spectral separability of benthic
objects is useful for designing and optimizing coral reef
remote-sensing applications
- improve the accuracy of coral reefs maps when applied
in remote sensing image classification
- in selection of optimal band location and bandwidth
characteristics
Why...
Marine science & Fisheries Faculty, Hasanuddin University-Indonesia
Atmospere and Ocean Research Institute, The University of Tokyo
![Page 4: Hyperspectral Response Libraryiocwestpac.org/files/upload_manual/8_Nurjannah Nurdin.pdfNurjannah Nurdin, Teruhisa Komatsu, Hiroya Yamano, Chair Rani, Gulam Arafat, Awaludinnoer Research](https://reader033.vdocuments.net/reader033/viewer/2022043004/5f858ef327ada71f707cc75a/html5/thumbnails/4.jpg)
(1) Document the spectral features of healthycorals and dead corals covered with algae andcoral rubble as distributed within four study sitein the Spermonde archipelago;
(2) Develop spectral library to determine whetherliving and dead corals and coral rubber arespectrally discriminable and how to achievediscrimination
Objective
Marine science & Fisheries Faculty, Hasanuddin University-Indonesia
Atmospere and Ocean Research Institute, The University of Tokyo
![Page 5: Hyperspectral Response Libraryiocwestpac.org/files/upload_manual/8_Nurjannah Nurdin.pdfNurjannah Nurdin, Teruhisa Komatsu, Hiroya Yamano, Chair Rani, Gulam Arafat, Awaludinnoer Research](https://reader033.vdocuments.net/reader033/viewer/2022043004/5f858ef327ada71f707cc75a/html5/thumbnails/5.jpg)
Spermonde archipelago, South Sulawesi, Indonesia- Samatellu Lompo island- Samatellu Borong- Samatellu Caddi
Field study
Marine science & Fisheries Faculty, Hasanuddin University-Indonesia
Atmospere and Ocean Research Institute, The University of Tokyo
![Page 6: Hyperspectral Response Libraryiocwestpac.org/files/upload_manual/8_Nurjannah Nurdin.pdfNurjannah Nurdin, Teruhisa Komatsu, Hiroya Yamano, Chair Rani, Gulam Arafat, Awaludinnoer Research](https://reader033.vdocuments.net/reader033/viewer/2022043004/5f858ef327ada71f707cc75a/html5/thumbnails/6.jpg)
Fishing with explosives
Blast fishing & Chemical Fishing
•Coral rubble is covered with epiphytic algae after bleaching by blast fishing activities.
•coral rubber bleached less than 3 months, began covered with turf algae and calcareus sceleton is visible clearly.
•Coral rubber bleached more than 3 months are mainly covered with turf algae that growing rapidly
Existing Condition
Marine science & Fisheries Faculty, Hasanuddin University-Indonesia
Atmospere and Ocean Research Institute, The University of Tokyo
![Page 7: Hyperspectral Response Libraryiocwestpac.org/files/upload_manual/8_Nurjannah Nurdin.pdfNurjannah Nurdin, Teruhisa Komatsu, Hiroya Yamano, Chair Rani, Gulam Arafat, Awaludinnoer Research](https://reader033.vdocuments.net/reader033/viewer/2022043004/5f858ef327ada71f707cc75a/html5/thumbnails/7.jpg)
• Acropora formosa,
• Seriotopora stelata,
• Acropora macrostomata,
• Acropora sarmentosa,
• Porites columnaris,
• Porites meyeri,
• dead Porites.
• dead Acropora,
• coral rubber (<3 months
• coral rubber (>3 months).
Object
• 90 representative samples of living coral
• 26 of dead coral
• 106 of coral rubber
were selected randomly.
Field Method
Marine science & Fisheries Faculty, Hasanuddin University-Indonesia
Atmospere and Ocean Research Institute, The University of Tokyo
![Page 8: Hyperspectral Response Libraryiocwestpac.org/files/upload_manual/8_Nurjannah Nurdin.pdfNurjannah Nurdin, Teruhisa Komatsu, Hiroya Yamano, Chair Rani, Gulam Arafat, Awaludinnoer Research](https://reader033.vdocuments.net/reader033/viewer/2022043004/5f858ef327ada71f707cc75a/html5/thumbnails/8.jpg)
• Using spectroradiometer instrument • Working at wavelenghts of 400-800nm
Spectral Measurement
Marine science & Fisheries Faculty, Hasanuddin University-Indonesia
Atmospere and Ocean Research Institute, The University of Tokyo
![Page 9: Hyperspectral Response Libraryiocwestpac.org/files/upload_manual/8_Nurjannah Nurdin.pdfNurjannah Nurdin, Teruhisa Komatsu, Hiroya Yamano, Chair Rani, Gulam Arafat, Awaludinnoer Research](https://reader033.vdocuments.net/reader033/viewer/2022043004/5f858ef327ada71f707cc75a/html5/thumbnails/9.jpg)
• Corelation Analysis : compare intensity of relationshipamong reflectance . Pearson correlation given aproximity matrix
• Cluster Analysis : investigate the variability withinpopulation, . Distance scale determined spectralsimilarity and dissimilarity in which object withshorter distance would be more similar each othercompared to object with longer distance.
• ANOVA was used to compare means of samples . Twoestimates are made of the population variance tocompare the group to discover if this apparentdifference is statistically significant.
Data analysis
Marine science & Fisheries Faculty, Hasanuddin University-Indonesia
Atmospere and Ocean Research Institute, The University of Tokyo
![Page 10: Hyperspectral Response Libraryiocwestpac.org/files/upload_manual/8_Nurjannah Nurdin.pdfNurjannah Nurdin, Teruhisa Komatsu, Hiroya Yamano, Chair Rani, Gulam Arafat, Awaludinnoer Research](https://reader033.vdocuments.net/reader033/viewer/2022043004/5f858ef327ada71f707cc75a/html5/thumbnails/10.jpg)
Figure 1. Curve of spectral
reflectance
Result
0
5
10
15
20
25
400 425 450 475 500 525 550 575 600 625 650 675 700 725 750
Refl
ecta
nce (
%)
Wavelenght (nm)
Acropora formosa
0
5
10
15
20
25
400 425 450 475 500 525 550 575 600 625 650 675 700 725 750
Re
fle
cta
nc
e (
%)
Wavelenght (nm)
Seriotopora stelata
Marine science & Fisheries Faculty, Hasanuddin University-Indonesia
Atmospere and Ocean Research Institute, The University of Tokyo
![Page 11: Hyperspectral Response Libraryiocwestpac.org/files/upload_manual/8_Nurjannah Nurdin.pdfNurjannah Nurdin, Teruhisa Komatsu, Hiroya Yamano, Chair Rani, Gulam Arafat, Awaludinnoer Research](https://reader033.vdocuments.net/reader033/viewer/2022043004/5f858ef327ada71f707cc75a/html5/thumbnails/11.jpg)
Figure 1. Curve of
spectral reflectance
0
5
10
15
20
25
400 425 450 475 500 525 550 575 600 625 650 675 700 725 750
Refl
ecta
nce (
%)
Wavelenght (nm)
Dead Acropora
0
5
10
15
20
25
400 425 450 475 500 525 550 575 600 625 650 675 700 725 750
Refl
ecta
nce (
%)
Wavelenght (nm)
Dead Porites
Marine science & Fisheries Faculty, Hasanuddin University-Indonesia
Atmospere and Ocean Research Institute, The University of Tokyo
![Page 12: Hyperspectral Response Libraryiocwestpac.org/files/upload_manual/8_Nurjannah Nurdin.pdfNurjannah Nurdin, Teruhisa Komatsu, Hiroya Yamano, Chair Rani, Gulam Arafat, Awaludinnoer Research](https://reader033.vdocuments.net/reader033/viewer/2022043004/5f858ef327ada71f707cc75a/html5/thumbnails/12.jpg)
0
5
10
15
20
25
400 425 450 475 500 525 550 575 600 625 650 675 700 725 750
Re
fle
cta
nc
e (
%)
Wavelenght (nm)
Acropora macrostomata
0
5
10
15
20
25
400 425 450 475 500 525 550 575 600 625 650 675 700 725 750
Re
fle
cta
nc
e (
%)
Wavelenght (nm)
Acropora sarmentosa
Behaviour, Ecology and Observation System – AORI The University of Tokyo
![Page 13: Hyperspectral Response Libraryiocwestpac.org/files/upload_manual/8_Nurjannah Nurdin.pdfNurjannah Nurdin, Teruhisa Komatsu, Hiroya Yamano, Chair Rani, Gulam Arafat, Awaludinnoer Research](https://reader033.vdocuments.net/reader033/viewer/2022043004/5f858ef327ada71f707cc75a/html5/thumbnails/13.jpg)
0
5
10
15
20
25
400 425 450 475 500 525 550 575 600 625 650 675 700 725 750
Refl
ecta
nce (
%)
Wavelenght (nm)
Porites meyeri
0
5
10
15
20
25
400 425 450 475 500 525 550 575 600 625 650 675 700 725 750
Refl
ecta
nce (
%)
Wavelenght (nm)
Porites columnaris
Marine science & Fisheries Faculty, Hasanuddin University-Indonesia
Atmospere and Ocean Research Institute, The University of Tokyo
![Page 14: Hyperspectral Response Libraryiocwestpac.org/files/upload_manual/8_Nurjannah Nurdin.pdfNurjannah Nurdin, Teruhisa Komatsu, Hiroya Yamano, Chair Rani, Gulam Arafat, Awaludinnoer Research](https://reader033.vdocuments.net/reader033/viewer/2022043004/5f858ef327ada71f707cc75a/html5/thumbnails/14.jpg)
0
5
10
15
20
25
400 425 450 475 500 525 550 575 600 625 650 675 700 725 750
Refl
ecta
nce (
%)
Wavelenght (nm)
Coral Rubber (<3 months)
0
5
10
15
20
25
400 425 450 475 500 525 550 575 600 625 650 675 700 725 750
Re
fle
cta
nc
e (
%)
Wavelenght (nm)
Coral Rubber (>3 months)
Marine science & Fisheries Faculty, Hasanuddin University-Indonesia
Atmospere and Ocean Research Institute, The University of Tokyo
![Page 15: Hyperspectral Response Libraryiocwestpac.org/files/upload_manual/8_Nurjannah Nurdin.pdfNurjannah Nurdin, Teruhisa Komatsu, Hiroya Yamano, Chair Rani, Gulam Arafat, Awaludinnoer Research](https://reader033.vdocuments.net/reader033/viewer/2022043004/5f858ef327ada71f707cc75a/html5/thumbnails/15.jpg)
0
5
10
15
20
400 450 500 550 600 650 700
Re
fle
ctan
ce (
%
wavelenght (nm)
Acropora formosa
Seriotopora stelata
Porites meyeri
Porites columnalis
Acropora macrostomata
Acropora sarmentosa
0
5
10
15
20
400 450 500 550 600 650 700
Coral Rubber (<3months)
Coral Rubber (>3months)
0
5
10
15
20
400 450 500 550 600 650 700
Dead Acropora
Dead Porites
Marine science & Fisheries Faculty, Hasanuddin University-Indonesia
Atmospere and Ocean Research Institute, The University of Tokyo
![Page 16: Hyperspectral Response Libraryiocwestpac.org/files/upload_manual/8_Nurjannah Nurdin.pdfNurjannah Nurdin, Teruhisa Komatsu, Hiroya Yamano, Chair Rani, Gulam Arafat, Awaludinnoer Research](https://reader033.vdocuments.net/reader033/viewer/2022043004/5f858ef327ada71f707cc75a/html5/thumbnails/16.jpg)
Acro
po
ra
Acro
po
ra
ma
cro
sto
ma
ta
Acro
po
ra
sa
rme
nto
sa
Se
rioto
po
ra
ste
lata
Po
rite
sm
eyeri
Po
rite
s
co
lum
na
lis
Co
ral R
ubb
er
(<3
mo
nth
s)
Co
ral R
ubb
er
(>3
mo
nth
s)
De
ad
Acro
po
ra
De
ad
Po
rite
s
Acropora 1
Acropora
macrostomata 0.97 1
Acropora
sarmentosa 0.97 0.99 1
Seriotopora
stelata 0.96 0.93 0.94 1
Porites meyeri 0.89 0.96 0.95 0.90 1
Porites
columnalis 0.96 0.99 0.99 0.95 0.98 1
Coral Rubber
(<3 months) 0.86 0.91 0.89 0.84 0.95 0.93 1
Coral Rubber
(>3 months) 0.77 0.88 0.86 0.76 0.96 0.90 0.96 1
Dead Acropora 0.85 0.92 0.90 0.85 0.98 0.94 0.99 0.98 1
Dead Porites 0.81 0.89 0.87 0.80 0.95 0.91 0.99 0.98 0.99 1
Table 1. Correlation coefisien for 10 categories of live corals, dead corals covered with algae,
coral rubber covered with algae
Marine science & Fisheries Faculty, Hasanuddin University-Indonesia
Atmospere and Ocean Research Institute, The University of Tokyo
![Page 17: Hyperspectral Response Libraryiocwestpac.org/files/upload_manual/8_Nurjannah Nurdin.pdfNurjannah Nurdin, Teruhisa Komatsu, Hiroya Yamano, Chair Rani, Gulam Arafat, Awaludinnoer Research](https://reader033.vdocuments.net/reader033/viewer/2022043004/5f858ef327ada71f707cc75a/html5/thumbnails/17.jpg)
Figure 2. Graph of dendogram
Cora
l ru
bber
(<3 m
onth
s)
Dead P
orite
s
Dead A
cro
pora
Cora
l ru
bber
(>3 m
onth
s)
Porite
s m
eyeri
Porite
s c
olu
mnalis
Acro
pora
sarm
ento
sa
Acro
pora
macro
sto
mata
Serioto
pora
ste
lata
Acro
pora
form
osa
0.00
33.33
66.67
100.00
Similarity
Marine science & Fisheries Faculty, Hasanuddin University-Indonesia
Atmospere and Ocean Research Institute, The University of Tokyo
![Page 18: Hyperspectral Response Libraryiocwestpac.org/files/upload_manual/8_Nurjannah Nurdin.pdfNurjannah Nurdin, Teruhisa Komatsu, Hiroya Yamano, Chair Rani, Gulam Arafat, Awaludinnoer Research](https://reader033.vdocuments.net/reader033/viewer/2022043004/5f858ef327ada71f707cc75a/html5/thumbnails/18.jpg)
• There is a strong correlation between and within the living corals, dead coral covered with algae and coral rubber covered with algae
• Porites meyeri couldn`t be easily separated from dead corals and old coral rubber.
• spectral reflectance values at peak and minima were significantly different among them
• The overall results suggest good separability based on measured reflectance.
Conclusion
Marine science & Fisheries Faculty, Hasanuddin University-Indonesia
Atmospere and Ocean Research Institute, The University of Tokyo
![Page 19: Hyperspectral Response Libraryiocwestpac.org/files/upload_manual/8_Nurjannah Nurdin.pdfNurjannah Nurdin, Teruhisa Komatsu, Hiroya Yamano, Chair Rani, Gulam Arafat, Awaludinnoer Research](https://reader033.vdocuments.net/reader033/viewer/2022043004/5f858ef327ada71f707cc75a/html5/thumbnails/19.jpg)
Thank you
Marine science & Fisheries Faculty, Hasanuddin University-Indonesia
Atmospere and Ocean Research Institute, The University of Tokyo
![Page 20: Hyperspectral Response Libraryiocwestpac.org/files/upload_manual/8_Nurjannah Nurdin.pdfNurjannah Nurdin, Teruhisa Komatsu, Hiroya Yamano, Chair Rani, Gulam Arafat, Awaludinnoer Research](https://reader033.vdocuments.net/reader033/viewer/2022043004/5f858ef327ada71f707cc75a/html5/thumbnails/20.jpg)
Ectodermis
Mesoglea
Zooxanthellae
endodermis
![Page 21: Hyperspectral Response Libraryiocwestpac.org/files/upload_manual/8_Nurjannah Nurdin.pdfNurjannah Nurdin, Teruhisa Komatsu, Hiroya Yamano, Chair Rani, Gulam Arafat, Awaludinnoer Research](https://reader033.vdocuments.net/reader033/viewer/2022043004/5f858ef327ada71f707cc75a/html5/thumbnails/21.jpg)
Wavelength (nm) Colour Wavelength (nm) Colour
380-450450-480480-510510-550
VioletSky Blue
BlueGreen
550-575575-585585-620620-700
Green-YellowYellowOrange
Red
Table 1. Interval of Wavelengths Used in this Research
Data Analysis
Optical Properties of Soft Coral Species
in Tropical Marine Waters
![Page 22: Hyperspectral Response Libraryiocwestpac.org/files/upload_manual/8_Nurjannah Nurdin.pdfNurjannah Nurdin, Teruhisa Komatsu, Hiroya Yamano, Chair Rani, Gulam Arafat, Awaludinnoer Research](https://reader033.vdocuments.net/reader033/viewer/2022043004/5f858ef327ada71f707cc75a/html5/thumbnails/22.jpg)