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GEO INFORMATION FOR SPATIAL PLANNING AND DISASTER RISK MANAGEMENT

GADJAH MADA UNIVERSITY

Slemen Regency defined as a hazard prone-areas to the eruption of Mt

Merapi especially in the flank of Mt. Merapi

Perda Nomor 2/2010, DI Yogyakarta Spatial Planning

In the Permen No.21/2007 there area spatial planning guidance for volcanic

eruption disaster

Sleman Regency, DI Yogyakarta have an area 574,82 km2 or 18,04% of all DIY Province

Economic potention of volcano: sand mining, agriculture, natural

tourism, etc

The spatial planning review from RTRW DI Yogyakarta Province need to know the

disaster risk reduction suitable with the implementation in the composing of RTRW

Province.

Spatial Planning

Spatial Utilization

Control of Spatial Utilization

BACKGROUND

Hazard Prone Areas (Perda Nomor 2/2010)

No. Hazard Location

1.Volcanic Eruption

In the flank of Mt.Merapi Sleman Regency

2. LandslideSleman, Bantul, Kulon Progo, Dan Gunungkidul Regency

3. FloodBantul, dan Kulon Progo Regency

4. DroughtBantul, Gunungkidul, Sleman Dan Kulon Progo

5. Windstorm Regency/town6. Earthquake Regency/town

7. TsunamiAlong coastal area In Bantul, Kulon Progo, Gunungkidul Regency

Spatial Pattern Plan of Hazard Prone Areas

In this spatial plan, the impacted area of volcanic eruption was generally mentioned in Merapi flank. But still this is can be general direction for a more

detailed spatial plan, like Sleman Regency Spatial Planning in spatial planning hazard.

• Volcano hazard prone area are divided into three classes, namely the volcanic hazard I (KRB I), volcanic hazards II (KRB II) and major volcanic hazards.

• Based on Government Regulation number 21/2007, determine hazard prone area of volcanic eruption into 3 type of risk level of eruption, like:

Low (A) : Far enough from the eruption center;

Medium (B) : Near enough from the eruption center, risk to save people is quite difficult and have a big chance to disaster event;

High (B) : Very near to the eruption center.

Area Tipology

Penentuan Pola Ruang

A Dapat dikembangkan menjadi kawasan budi daya dan berbagai infrastruktur penunjangnya

Jenis kegiatan yang dapat dikembangkan: kehutanan, pertanian, perkebunan, peternakan, perikanan, pertambangan, pariwisata, permukiman, perdagangan dan perkantoran.

B Dapat dikembangkan menjadi kawasan budi daya dan berbagai infrastruktur penunjangnya.

Jenis kegiatan yang dapat dikembangkan: kehutanan, pertanian, perkebunan, peternakan, perikanan, pertambangan, pariwisata, permukiman, perdagangan dan perkantoran

C Ditentukan sebagai kawasan lindung dan masih dapat dimanfaatkan sebagai kawasan pariwisata terbatas

Spatial Pattern• In RTRWP DIY, prone areas to Merapi eruptions

directed as:Protected Area: protected forests and water

catchment areas.Cultivation area: wetland and dryland agricultural

areas.

In spatial plan Hazard zone (KRB ) of Merapi Eruption, there isn’t the use of settlement and other activity.

Activity TipologyNot allowed land use in Tipology A•Hutan Kota•Industry

Not allowed land use in Tipology B•Hutan Produksi•Hutan Kota•Industri

Allowed land use in Tipology C•Pariwisata

Kawasan strategis lindung dan budidaya sebagaimana dimaksud dalam Pasal 97 huruf d terdiri atas :(1) Kawasan strategis nasional meliputi Taman Nasional Gunung Merapi seluas 1.743,250 ha di Kecamatan Turi,Cangkringan dan Pakem Kabupaten Sleman.

Untuk kawasan permukiman pada zona A dan B, perlu direncanakan lokasi dan jalur evakuasi

Terdapat poin-poin penting dalam tipologi kegiatan yang diperbolehkan pada KRB:•Konstruksi bangunan dan pola permukiman•Jenis lahan usaha masyarakat

Structure Pattern Based on Merapi lahar flow affected area maps mentions that

Sleman regency especially Cangkringan, Pakem, Ngaglik and Kalasan district have a highest impact of eruption.

High impact are in settlement and agriculture area (2010). According to spatial structure plan maps of DI Yogyakarta, PKL

Cangkringan is a one of affected eruption area set as local activity center but the extinct area is located along the river. It is not suitable to set for PKL (local activity center). So that, when the disaster happened, the area have a high risk of lahar flow and have potential economic loss.

Symptoms of high potential growth area in the middle and upper slopes of Mt.Merapi, which its function as protected area and catchment area are unprofritable from ecological side, and could result in damage to the environment.

Therefore, we recommends to shift the direction of the development of the slopes of Merapi area to the west and south.

ManagementManagement of protected areas to areas prone to natural disasters in areas prone to volcanic eruptions is by doing the following:Monitor volcanic activity;Mapped areas prone to volcanic eruptions;Build and maintain sediment control structures that are environmentally friendly; Control the cultivation activities in areas prone to volcanic eruptions.

Disaster Management activities that presented in RPB DIY 2013-2017 are as follow:Strengthening the regulatory and institutional capacityIntegrated disaster management planningResearch, education and trainingIncreased capacity and community participationProtection of public from disasters and disaster management

Based on Disaster Management Plan, study of disaster risk is resulting policy of disaster management arrange by threat, vulnerable and capacity component.

It should be one of estimation and available in arrangement the spatial planning document, especially when they explain division of area including in each assessment.