-Second
Circular
(plan)-Tomography
Lombok
Strait
Meeting
2015:
A
vast
challenge
to
monitor
Indonesian
Throughflow
(ITF)
Date:
November
3-7,
2015
Co-conveners:
Fadli
Syamsudin,
Xiaohua
Zhu,
Chen-Fen
Huang
and
Arata
Kaneko
SponsoredbyBPPT,UNRAM,HUandONR_Global
Purposes-
MeasurementofIndonesianThroughflow(ITF)isstillakeyissueofworldclimatechange researchbecausesystematic,long-termmeasurementofITFtransportislackedevenformajorpathways suchasMakassarStrait,LombokStraitandOmbaiStrait.ApplicabilityofCoastalAcousticTomography (CAT), an innovative oceanographic technology, to strait throughflow measurement will be intensively discussed in this meeting. Anew development of CAT (mirror-CAT) by using the mirror reflection of underwatersoundisproposedtomonitortheITFtransportinrealtimeandprovidesacriticalmaterialof discussion.Internationalcollaborationwithotherresearcherswhoadvance ongoingorplanningprojects onIndonesianseastudiesandITFisalsoanotherimportantissuetobepursuedinthemeeting.Agenda:
Date Sessions Title&Speaker November3,2015
Openingaddress
8:30-9:00
9:00–9.15
Host:UniversityofMataram(President)
BPPT(DeputyChairman)
SEACORMKKP(Director)
Photosession
Introductoryaddress
9:15-9:45
Targetofthemeeting(ArataKaneko,HU)
Plenarysession(1)
10:00-12:00
Plenarysession(2)
14:00-17:00
Past,presentandfutureofIndonesianSeastudies
(FadliSyamsudin,BPPT)
Measuringtidalcurrentsandvolumetransport
throughawidestraitbyuseofthecoastal
acoustictomographysystem(XiaohuaZhu,
SIO/SOA)
InnovativeapplicationofCATtoKuroshio
measurement(Chen-FenHuang,NTU)
TheobservationplanofSITEandTIMITprojectsin
theIndonesianSeas(ShujiangLi,FIO/SOA)
The Local Variation of the Indonesian Seas Index
Characteristic: "Eighteen Years Analysis of Multi
Sensor Satellite Remote Sensing Data”
(I Dewa Nyoman Nurweda Putra, Udayana. Univ)
Date Sessions Title&Speaker November4,2015
Ongoingprojectsand
plan
9:00-12:00
JAMSTECprojectplantotheIndonesian
Seas(IwaoUeki,JAMSTEC)
TheSIO/SOAITFproject(ZhouLei,SIO/SOA)
Oneinvitedspeechisreservedhere.
ModelandSatellite
14:00-17:00
LombokStraitPOMmodel(HidemiMutsuda,HU)
Satellite
imagery
of
Lombok
Strait
and
the
adjacent
seas
(Yuji
Sakuno,
HU)
HiroshimaBayCATexperiment(Chuanzheng
Zhang,HU)
HiroshimaBaydataassimilation(MinmoChen,HU)
Resort
hotel
reserved
for
all
participants:
Holiday
Resort
Lombok
(about
$46/night
in
special
government
discount)
Senggigi
Beach
Lombok
83355
NTB,
Indonesia
Phone:
+62-370-693444
Fax:
+62-370-693092
http://holidayresort-lombok.com/meeting-banquet.html
Date Sessions Title&Speaker
November5,2015 9:00-12:00
CAT
BaliStraitCATexperiment(YudiAdityawarman,
BPPT)
DalianBayCATexperiment(FanXiaopeng,
SIO/SOA)
ArecentactivitytoCAT(NaokazuTaniguchi,NTU)
AnewsystemdesignofCAT(HongZheng,ZOU)
Tworegularspeechesarereservedhere.
14:00-15:30
MCAT-ITFproject(1)
Detailedexplanationofprojectdesignand
deployment(ArataKaneko,HU)
16:00-17:00
MCAT-ITFproject(2)
Datadistributionandanalysispolicy(ArataKaneko,
HU)
Date Sessions Title&Speaker November7,2015
10:00-15:00
Fieldsurvey(2) ApplicationofCATtoaquaculturefieldsissurveyed. Discussionisdeepenedbymutualcommunicationat
thisevent.
Date Sessions Title&Speaker November6,2015
10:00-15:00
Fieldsurvey(1) Tomographysiteissurveyed.
Discussionisdeepenedbymutualcommunicationat
thisevent.
Date Sessions Title&Speaker
ReceptionDinner
18:30-20:30
Acronyms:
BPPT(AgencyfortheAssessmentandApplicationofTechnology,Indonesia) UNRAM(UniversityofMataram,Indonesia)
HU(HiroshimaUniversity,Japan) UT(UniversityofTokyo,Japan)
JAMSTEC(JapanAgencyforMarine-EarthScienceandTechnology,Japan) SIO/SOA(SecondInstituteofOceanography
/StateOceanicAdministration,China) FIO/SOA(FirstInstituteofOceanography
/StateOceanicAdministration,China) ZOU(ZhejiangOceanUniversity,China)
NTU(NationalTaiwanUniversity) CU(ColumbiaUniversity)
I Dewa Nyoman Nurweda Putra
The Local Variation of the Indonesian
Seas Index Characteristic: "Eighteen
Years Analysis of Multi Sensor Satellite
Remote Sensing Data”
UDAYANA UNIVERSITY
Introduction
A semi-closed
marginal sea
Pacific and
Indian
Ocean
Asia and
Australia
continent
Unique
bathymetry
Western
<100 m
Eastern
>5000 m
Unique
pathway
Indonesian
throughflow
(ITF)
Interannual
Variability
ENSO
IOD
Pacific Ocean
Indian Ocean
Australia
SE Asia
Shallow
Deep
ITF
ENSO
IOD
Major Characteristics:
Need a relevant information and better understanding on the
features of the characteristics of indices in the Indonesian Sea.
Seasonal Variability
: Strong
: Weak
: Nearly Zero
SST
U-WS
RR
A
D
C
E
F
H
B
M
N
I
J
G
K
L
(Nurweda et al., 2013)
6-Months Variability
: Very Weak
: Weak
: Zero
SST
U-WS
RR
A
D
C
E
F
H
B
M
N
I
J
G
K
L
(Nurweda et al., 2013)
Objectives
1. To investigate the cyclical temporal variability
issues on SST index in the several areas of
Indonesian Seas.
Data Sources
Index
SST
Time Coverage
Dec 97
–
Jul 13 And Jan 14
–
Aug 15
Unit
˚
C
Spatial Res.
0.25
˚
×
0.25
˚
Temporal Res.
Monthly
Channel(s)
10.65 GHz
Product
L3 F10.7 TMI And AMSR 2
Data Center
REMSS
Index
ONI
Time Coverage
1950
–
2014
Product
ENSO Index
Data Analysis:
1. Detection of Cyclic Temporal Variability
-
Seasonal Variability
- 6-months Variability
Mode 1
Seasonal Variability
Mode 2
Original Data
(Java Sea)
Mode 3
6-Months Variability
Mode 4
Original Data
(Java Sea)
Data Analysis:
1. Detection of Cyclic Temporal Variability
- Seasonal Variability
- 6-months Variability
ENSO Phenomenon
The El Nino Southern Oscillation (ENSO) Mechanism
ENSO Phenomenon
Index
Area Boundary
Definition
ONI
5˚S
-
5˚N and 190˚E
-240
˚W
El Nino: The 3 months moving averages of SST is at
least 0.5 warmer than 30-year (1981-2010) average.
La Nina: The 3 months moving averages of SST is at
ENSO Signal Detection
(Proposed Method)
Removing
Seasonal
Variability
Removing 6
months
variability
3 months
Moving
Averages
Long term
monthly
average data
Extracted
from 6 month
MA
ENSO Signal
Area that shows
cyclic temporal
ENSO Signal (Area J)
NOAA
Method
Proposed
Method
Nino 3.4
Area
El Nino
ENSO Signal (Java Sea)
3-Months MA
New Proposed Method
La Nina
El Nino
Conclusions
The strong cyclical temporal variability exists in the
SST index of Indonesian Seas.
The result of NOAA method could not remove the
strong cyclical temporal variability.
Contact Information
Dr. I Dewa Nyoman Nurweda Putra
Ocean Remote Sensing
Faculty of Marine Science and Fisheries
Centre for Remote Sensing and Ocean Sciences
Udayana University
Email: nurweda14@unud.ac.id
