mtech_25032009 moh fifik syafiudin
TRANSCRIPT
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By:y:Moh.FifikSyafiudinMoh.FifikSyafiudin Supervisor:upervisor:Dr.RSChatterjeeDr.RSChatterjeeNational Coordinating Agency for Surveys and Mappingational Coordinating Agency for Surveys and Mapping(BAKOSURTANAL), IndonesiaBAKOSURTANAL), Indonesia Geosciences Divisioneosciences DivisionIIRS, Dehradun, IndiaIRS, Dehradun, IndiaMMAPPINGAPPING LLANDAND SSUBSIDENCEUBSIDENCE PPHENOMENONHENOMENON
,,DDIFFERENTIALIFFERENTIAL IINTERFEROMETRICNTERFEROMETRIC SSYNTHETICYNTHETIC AAPERTUREPERTURE RRADARADAR--
M.Tech Research Pro ect
Centre for Space Science and Technology Education in Asia and the Pacific (CSSTEAP)(Affiliated to the United Nations)
Indian Institute of Remote Sensing (IIRS), National Remote Sensing Centre (NRSC)Department of Space, Government of India
Dehra Dun, INDIA2 0 0 9
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It is cost-effective tool for land subsidence monitorin e. . due to
groundwater over-extraction, over a large area (e.g., 100 km x 100 km)
Among various aeria - an space tec niques avai a e to ate, D-InSAR
appears to be an efficient technique for measuring spatially continuousland subsidence
surveying techniques
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Groundwater extractionGroundwater extraction
in Bandung Basin during 1900in Bandung Basin during 1900 -- 20062006
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It is defined as the vertical surface movement due to the removal of
subsurface support
It is due to man-made activities such as extraction of groundwater, oil,
gas or y un ergroun mining as we as natura azar s suc as
compaction of sediments or earthquake
Sinking or settlement of the land surface, due to any of several
downward movement of natural surfaces although small-scale
, .,
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subsiding areas.
Measuring the rate of land subsidence at cm to sub-centimeter
level.Assessment and estimation of potential land subsidence due to
the decline in piezometric level.
Validation of D-InSAR based land subsidence results with high
.
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StudyStudy AreaArea :: BandungBandung BasinBasin (West(West JavaJava Province)Province)INDONESIAINDONESIA
JakartaSemarang
Surabaya
JakartaLeveling: 6-10 cm (1991-1997)
InSAR: 10 cm (1993-1995)
GPS: 4-6 cm (1997-1999)SemarangLeveling: 17 cm/year (1996-2001)
Surabaya / Porong (Sidoarjo)GPS: 1.053 m (1 bulan)
InSAR: 1.58 m (1.5 bulan)
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3D Perspective view of Bandung Basin3D Perspective view of Bandung Basin
and its surrounding areaand its surrounding area
Mt. Gede, 2958 mMt. Gede, 2958 m Tangkuban Perahu VolcanoTangkuban Perahu Volcanomm
Mt. Pangrango, 3019 mMt. Pangrango, 3019 m Tampomas VolcanoTampomas Volcano1684 m1684 m
Bandung CityBandung City
Malabar VolcanoMalabar Volcano
Galunggung VolcanoGalunggung Volcano2168 m2168 m
2665 m2665 m
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(Source: SRTM 30mx30m DEM)
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Satellite Data (Optical and SAR)
SPOT-5 July, 2004 1Precise localisation of the subsiding
areas
JERS-1 1994, 1995, & 19983 pairs with 1 pair having fairly goodcoherence
Differential interferogram generationand subsidence measurement
3 pairs with 2 pair having fairly good Differential interferogram generation,
coherence and subsidence measurement
ALOS PALSAR 2007 & 20086 pairs with 2 pair having fairly good
coherence
Differential interferogram generation
and subsidence measurement
Topographic Data
SRTM DEM
(30m res)February, 2000 1
Topographic phase removal in D-InSAR
processing
To o ra hic Ma
1:25.000mage-geore erenc ng
Ancillary Data
2000, 2001, 2002, 2003 & 20 points, distributed over the entire Validation of D-InSAR based land
2005 area subsidence
Piezometric level2000, 2001, 2002, 2003, 2004
& 2005
40-60 points, distributed over the
entire area
Potential land subsidence measurement
due to aquifer compression
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Sub-surface geology 1989 14 po nts, str ute over t e ent re
area
Potent a an su s ence measurement
due to aquifer compression
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----
No Master Slave Bn(m) T (days)
1 18/09/1994 28/01/1995 1144.60 132
218/09/1994 09/09/1998
-542.51 14523 28/01/1995 09/09/1998 -1686.40 1320
ALOS PALSARALOS PALSAR
No Master Slave Bn(m)T (days)
1 02/12/2007 17/01/2008 102.480 472 02 12 2007 03 03 2008 11588.499 933 02/12/2007 18/04/2008 172.312 1394 17/01/2008 03/03/2008 11656.958 47
. 6 03/03/2008 18/04/2008 76894.521 47
ENVISAT ASARENVISAT ASAR
No Master Slave Bn(m) T (days)
1 15/06/2004 13/09/2005 377.436 4562 15/06/2004 20/06/2006 109.598 736
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3 13/09/2005 20/06/2006 268.392 281
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EVInSAR and SARscape InSAR software tool
ERDAS IMAGINE and ENVI for standard image
processing
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InSAR
data pairsPiezometry-based
sediment compression
measurement
GPS Survey
Dual-frequency
Geodetic GPS
Optical
multispectral
datareceivers
DInSAR
processing
Preparation of layers
Subsurface lithotypes
Lithotype thickness
Pre-processing
Visual image analysis
Multispectral image
Point measurement
and computation
(X,Y,h) & hPiezometric changeclassification (standard deviation)
Point-basedsubsidence rate
Potentialsubsidence
Subsidenceareas & rate
Thematicmaps
correlationvalidation
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Land Subsidence
Map
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--
SARdata1 SARdata2 DEM
Synthetic
InterferogramReal
InterferogramB
A2
A
1
eren aInterferogram
h
IdentificationandMeasurementofH(x,y)
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y
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-- --
Frin es centre location of differential interfero ram
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of JERS-1 data pair (18/09/1994 and 28/01/1995)of Bandung Basin
E t d d i f th d f ti f i ith f iE t d d i f th d f ti f i ith f i
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Extended view of the deformation fringes with fringeExtended view of the deformation fringes with fringe
--
data pair (18/09/1994 and 28/01/1995) of Bandung Basindata pair (18/09/1994 and 28/01/1995) of Bandung Basin
F1: = 11/7(2) ; h = -18.46 cm
= = - .F1: = 7/7(2) ; h = -11.75 cmF2: = 7/7(2) ; h = -11.75 cm
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: = ; = - . cm
OO
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ALOS PALSAR (LALOS PALSAR (L--band)band)a a process nga a process ng
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Differential interferogram of ALOS PALSAR data pair
(02/12/2007 and 03/03/2008) of Bandung Basin
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Fringes centre location of differential interferogram
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of ENVISAT ASAR data pair (13 September 2005 and 20 June 2006)
of Bandung Basin
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E1: = 31/7(2) ; h = -12.40 cm
o our sc eme:
: = 7(2) ; = - .40 cmE3: = 15/7(2) ; h = - 6.00 cmE4: = 11/7(2) ; h = + 4.40 cm
Extended view of the deformation fringes with fringe centre locations in differential
interferogram of ENVISAT ASAR data pair (13/09/2005 and 20/06/2006) of Bandung Basin
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Fringes centre location of differential interferogram
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of ENVISAT ASAR data pair (15 June 2004 and 20 June 2006)
of Bandung Basin
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--
G1: = 51/7(2) ; h = -20.40 cm
Colour scheme: I/B/C/G/Y/O/R
G2: = 53/7(2) ; h = -21.20 cmG3: = 35/7(2) ; h = -14.00 cm
Extended view of the deformation fringes with fringe centre locations in differential
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interferogram of ENVISAT ASAR data pair (15/06/2004 and 20/06/2006) of Bandung Basin
Fl di f i t iFl di f i t i b db d
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Flow diagram of piezometricFlow diagram of piezometric--basedbased
land subsidence measurementland subsidence measurement
DATA SOURCE
Compressibility
Coefficient (w/Ec)
Subsurface Geology
(Drilling Points)
Piezometric Data
(Boreholes)
Decline in
Piezometric Level
Thickness of
Confining Layers
LAND SUBSIDENCE
m = (w/Ec) m h
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PiezometricPiezometric fluctuation during 2000fluctuation during 2000--2005 close to2005 close to
Piezometric Drillin Point Decline in piezometric level (m)
DD--InSARInSAR fringefringe centrescentres and nearbyand nearby drilling pointdrilling point locationslocations
oPoint ID
ID 2000-2001 2001-2002 2002-2003 2003-2004 2004-2005
1 BR04 DDBP4 -0.75 -0.01 - - -
- - - - -. . .
3 BR16 DD45 - -1.22 -2.44 - -
4 SR06 DD15 -4.24 -0.85 -2.47 -15.14 -21.66
Piezometric points
+ Drilling points
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S b f l i l fil bS b f l i l fil b
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Subsurface geological profile aboveSubsurface geological profile above
Piezometric Drilling Thickness w/Ec
the marker aquifer layerthe marker aquifer layer
Point ID Point ID
(m) (1/m)
1 BR04 DDBP4
Stiff to hard sandy clay and silt with sandy
intercalations5.000 10.99 x 10-4
very little fine28.090 7.54 x 10-5
2 BR14 BT 26/690 Clay and organic lacustrine deposits 7.450 11.45 x 10-3
Stiff to hard sandy clay and silt with sandy -4intercalations
. .
Gravelly sand to sandy gravel with scoria and
very little fine5.000 19.19 x 10-4
3 BR16 DD45
very little fine21.250 7.54 x 10-5
Sand, fine silty to coarse gravelly, poorly sorted
with silt and clay intercalations, loose to dense9.375 1.66 x 10-4
Conglomerates and breccias in a clayey/sandy
matrix, dense to consolidated6.250 7.54 x 10-5
Stiff to hard sandy clay and silt with sandy11.305 10.99 x 10-4
4 SR06 DD15
Soft organic silty clay and clayey silts 23.479 19.19 x 10-4
Peat and peaty clay 1.304 11.45 x 10-3
Gravell sand to sand ravel with scoria and -
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very little fine . . x-
Sand, fine silty to coarse gravelly, poorly sorted
with silt and clay intercalations, loose to dense4.348 1.66 x 10-4
Pi tPi t b d l d b id fb d l d b id f
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PiezometryPiezometry--based land subsidence ofbased land subsidence ofan ung as n ur ng oan ung as n ur ng o
NoPiezometric Drilling Point Land subsidence rate (cm)
- - - - - verage
1 BC06 DD10 -0.35 -2.41 -0.96 - - -1.24
2 BR03 VRS42 - -1.83 -1.39 - - -1.62
3 BR04 DDBP4 -0.57 -7.51 - - - -4.04
4 BR14 BT 26/690 -1.96 -6.48 -4.86 - - -4.44
- - . - . - - - .
6 BR17 DD56 - -2.28 -2.61 - - -2.44
7 BR25 DD58 - - - - -6.61 -6.61
8 BR27 GTL 5/667 - - - - -2.68 -2.68
9 SR06 DD15 - -31.83 -19.67 - - -25.75
n - - . - . - . - . - .
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Pi tPi t b d l d b id fb d l d b id f
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PiezometryPiezometry--based land subsidence ofbased land subsidence ofan ung as n ur ng toan ung as n ur ng to
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Principle of land subsidence measurementPrinciple of land subsidence measurement
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Principle of land subsidence measurementPrinciple of land subsidence measurement
using repeated GPS surveysusing repeated GPS surveysHEIGHT
L
CHARACTERIZATION
GPS NetworkGPS Networkcovering study areacovering study area
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P i tP i t b d L d S b id M tb d L d S b id M t
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PointPoint--based Land Subsidence Measurementsbased Land Subsidence Measurements
during 2000during 2000--2005 from GPS survey in Bandung Basin2005 from GPS survey in Bandung Basin
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Potential and actual land subsidence measurements as obtainedPotential and actual land subsidence measurements as obtained
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from differentfrom different s acebornes aceborne and roundand round--based techni uesbased techni ues
at or near the corresponding pointsat or near the corresponding points in Bandung Basinin Bandung Basin
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IntegratedIntegrated land subsidence measurements as obtained fromland subsidence measurements as obtained from
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gg
three different techni ues at/near the corres ondin ointsthree different techni ues at/near the corres ondin oints
in Bandung Basinin Bandung Basin
Land Subsidence Rate cm
D-InSAR (ENVISAT ASAR) GPS PIEZOMETRIC
15/06/2004-
20/06/2006
13/09/2005-
20/06/2006
Average(per-year)
Point IDTotal
(2000-2005)
Average(per-year)
Point ID TotalAverage(per-year)
-20.4 -12.4 -11.3 CMHI -75.1 -18.77 DDBP4-8.08
(2000-2002)-4.04
--21.2 -8.4 -9.5 KPO1 -8.8 -4.4 DD45
.
(2001-2003)
-6.12
-14 -6 -6.2 BM13L -26.2 -13.1 DD15-51.5
-25.75(2001-2003)
RCK2 -57.0 -14.25 BT26/690-13.3
(2000-2003)-4.44
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PPotentialotential and actual land subsidence areas obtainedand actual land subsidence areas obtained
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fromfrom s acebornes aceborne and round based techni uesand round based techni ues
(overlain on LU/LC map, derived from SPOT(overlain on LU/LC map, derived from SPOT--5 data)5 data)
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In Bandung Basin, land subsidence has been occurring primarily due to
round water over extraction to meet the water demand of ra idl rowin
urban population in general and fast-growing industrilization in particular
In the resent work an inte rated a roach usin three different techni ues
namely, piezometry-based layer compression estimation, space-borne D-
InSAR, and multi-epoch GPS survey, was attempted to address land
su s ence measuremen an mon or ng n an aroun an ung c y an
industrial hubs in Bandung Basin
pace- orne - n ec n que prov es spa a y con nuous ac ua
deformation measurement of the study area whereas Piezometry-basedtechni ue ives an estimate of otential land subsidence due to
compression of the layers as a result of Piezometric decline of the aquifers,
and multi-epoch high precision GPS survey gives point-based actual
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su s ence measuremen s a e o serva on po n s
Moh. Fifik SyafiudinMoh. Fifik Syafiudin
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Moh.FifikSyafiudinMoh.FifikSyafiudin. .
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