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Land Subsidence in Semarang Municipality - BGR

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Mitigation of Georisks<br />

Good Local Governance<br />

Indonesian-German Technical Cooperation<br />

<strong>Land</strong> <strong>Subsidence</strong> <strong>in</strong> <strong>Semarang</strong> <strong>Municipality</strong><br />

0 50 100 Km<br />

Kota <strong>Semarang</strong><br />

JAVA<br />

<strong>Land</strong>sub Photo<br />

Subsid<strong>in</strong>g houses <strong>in</strong><strong>Semarang</strong><br />

Satellite detection oflandsubsidence (red:high,blue:low)<br />

Pleasecontact<br />

Dr.Ir.A.DjumarmaWirakusumah,Dipl.Seis.<br />

ProjectCoord<strong>in</strong>atorBadanGeologi<br />

Tel:+62227274705,ade@dgtl.esdm.go.id<br />

Dr.ArneHoffmann-Rothe,Dipl.Geol.<br />

GermanTeamLeader<br />

Tel:+62227273198,arne@georisk-project.org<br />

M<strong>in</strong>istryofEnergyandM<strong>in</strong>eralResources<br />

BadanGeologi,PusatL<strong>in</strong>gkunganGeologi<br />

Jl.DiponegoroNo57,Bandung40122,Indonesia<br />

Background<br />

TheCityof<strong>Semarang</strong>faceslandsubsidences<strong>in</strong>cemorethan100years.The<br />

impactforthecitiesapprox.1.3Mio.<strong>in</strong>habitantsissevere:notonlydoesland<br />

subsidenceaffecttheirliv<strong>in</strong>genvironment,build<strong>in</strong>gsand<strong>in</strong>frastructure,italso<br />

badly <strong>in</strong>fluences health and sanitation conditions and may thus dim<strong>in</strong>ish the<br />

<strong>in</strong>dividualchancesfordevelopment.Countermeasurestoavoidflood<strong>in</strong>gand<br />

groundwatersal<strong>in</strong>ationposeaf<strong>in</strong>ancialburdenforthecityadm<strong>in</strong>istration.<br />

Objective<br />

TheGeorisk-Projectaimsatprovid<strong>in</strong>gprecisespatialdataabouttheextendof<br />

landsubsidenceandcoastl<strong>in</strong>echange<strong>in</strong><strong>Semarang</strong>basedonremotesens<strong>in</strong>g<br />

data. The socio-economic impact of land subsidence shall be estimated.<br />

F<strong>in</strong>d<strong>in</strong>gsarediscussedwithgovernmentauthorituestoidentifyriskmitigation<br />

strategiesthataretobeimplementedbymeansofspatialplann<strong>in</strong>g.Ingeneral,<br />

awareness shall be generated among stakeholders regard<strong>in</strong>g the impact of<br />

naturalhazardsonthedevelopmentpotentialforthemunicipalityandaboutthe<br />

needtorecognizethesehazards<strong>in</strong>thespatialplann<strong>in</strong>gprocesses.<br />

Cooperation<br />

The <strong>in</strong>itiative is based on the cooperation of the Georisk-Project (Badan<br />

Geologi, <strong>BGR</strong> and GTZ) with Bappeda Kota <strong>Semarang</strong>. Data aquisition and<br />

analysis is done by the Center of Environmental Geology and the Center of<br />

VolcanologyandGeologicalHazardMitigationofBadanGeologiwiththeaidof<br />

D<strong>in</strong>asPertambangandanSumberDayaM<strong>in</strong>eralofKota<strong>Semarang</strong>(Distamben).RoundTableDiscusssionsareheadedandorganisedbyBappedaKota<br />

<strong>Semarang</strong>andBappedaofCentralJavaProv<strong>in</strong>ce.


Mitigation of Georisks<br />

Good Local Governance<br />

Products:<br />

< <strong>Semarang</strong><strong>Land</strong>subsidencemap,1:25.000<br />

< <strong>Semarang</strong>Coastalchangemap,1:25.000<br />

< Mapofeconomicdamagepotentialduetolandsubsidence<br />

< SummaryandResultsoflandsubsidenceworkshop,63pages,9mapsand<br />

1CD-ROM<br />

< FacilitationofRoundTableDiscussionswithrelevantstakeholders<br />

Georisk-ProjectSummary<br />

The Georisk-Project (Mitigation of Georisks) is a technical cooperation of the<br />

Geological Agency of Indonesia (Ba-dan Geologi) and the German Federal<br />

Institute for Geo-sciences and Natural Resources (<strong>BGR</strong>). Its objective is to<br />

developandtestpracticalgeoriskassessmentmethodologiesandtosupportthe<br />

implementation of f<strong>in</strong>d<strong>in</strong>gs <strong>in</strong> national, prov<strong>in</strong>cial and local georisk<br />

mitigation<br />

strategies, bothforshorttermand<strong>in</strong>thelongrun.Theprojectiscommissionedby<br />

the German Federal M<strong>in</strong>istry for Economic Cooperation and Development and<br />

implementedaspartoftheGoodLocalGovernanceprojectofGTZ.<br />

Last modified: 10/2008

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