Browsing by Author "Sutikno Sigit"

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    KAJIAN KONFIGURASI SHELTER UNTUK EVAKUASI TERHADAP BENCANA TSUNAMI DI KOTA PACITAN
    (2013-07-27) Khalifatullah, Edhy; Sutikno Sigit; Rinaldi
    Southern coast of Java Island is one of the areas that susceptible of Tsunami wave impact. Pacitan city topography which located around bay area makes it become one of the city with high risk of water influx if Tsunami happen. Thus, Shelter evacuation is necessary to protect citizens from the impact of Tsunami wave.To minimalize number of victims, government has determined ‘the safety zone’ as a temporary shelter if Tsunami happens. However it is located outside Tsunami coverage area according to the map that published by Mardiatno (2008). After evacuation drill is performed at existing shelter, it has been identified that majority of residents did not have enough time to reach the nearest shelter point (using various scenarios and different timeframe). There are only 22.93% - 71.28% of residents that successfully reached the shelter.Ineffective evaluation result will possibly increase the number of Tsunami victims. Therefore, it is recommended that the nearby area should have at least 45 shelters (public places or mosques) and located within the submergence area, thus, required time for evacuation is lesser. With the support of ArcGIS software, shelter is analyzed by building service area for each shelter based on the required time to perform evacuation and maximum distance. After implementation, number of residents that have enough time to reach evacuation point is increased to 80.22% - 83.09%. In conclusion, recommended shelter is more effective than the existing shelter in Pacitan area.
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    KAJIAN KONFIGURASI SHELTER UNTUK RENCANA EVAKUASI TSUNAMI DI KOTA CILACAP, JAWA TENGAH BERBASIS SISTEM INFORMASI GEOGRAFIS
    (2013-07-24) Putra, Ade; Sutikno Sigit; Trimaijhon
    Tsunamis are ocean waves that can be caused by earthquakes, landslides or volcanic eruptions that occur at sea either vertically or horizontally. Waters south of Java island is characterized by active seismicity, earthquakes often cause tsunamis to watch, especially in densely populated coastal areas. This is a potential major disaster for the Cilacap city, it takes effort for a more integrated disaster response. Effective evacuation planning is an effort to minimize the possible impact of the tsunami will occur. Building evacuation shelter for tsunami are analyzed by using existing Network Analyst extention in ArcGIS software. Network analyst extention will generate a service area of population for evacuation safely. The results show that the potential shelter in the Cilacap city apparently not be able to cover all the areas that are in tsunami-prone zones. To overcome this, the addition of a potential shelter building have to be include on all inundated area. Tsunami evacuation maps of network analysis result has a character that is on tsunami early warning period, the longer the warning time, the shorter the evacuation time it self, the resulting service area will be smaller as well.
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    KAJIAN PEMANFAATAN DATA HUJAN SATELIT UNTUK PEMODELAN HIDROLOGI (STUDI KASUS DAS PULAU BERHALO)
    (2013-07-27) Isnaini, Yunan; Sutikno Sigit; Handayani Yohanna Lilis
    Limitations on the completeness and accuracy of the data become the problem to analyzing and to perform hydrological modeling. One attempt to overcome this problem is to use analytics programs satellite rainfall data, it is Integrated Flood Analysis System (IFAS). IFAS program is quite effective and efficient to simplify or approximating of an actual reality hydrological phenomena. This study took place at the sub-watershed Indragiri, Pulau Berhalo. Utilization of satellite rainfall data in this study was simplified in the form of models. The model was simulated and calibrated with rainfall-runoff period from 1 January to 31 December 2004 and was validated with period 1 January to 31 December 2006. Modeling become optimal after the calibration process with the correlation (R) value of 0,65, volume error (VE) of 3,34%, and the coefficient of efficiency (CE) of 1,06. This showed that the model has a substansial realeted with the measured data (0,4 0,75).
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    PEMODELAN HIDROLOGI HUJAN-ALIRAN DENGAN MENGGUNAKAN DATA SATELIT HASIL PENGINDERAAN JAUH (Studi Kasus DAS Tapung Kiri)
    (2013-06-29) Hamiduddin; Sutikno Sigit; Fauzi Manyuk
    Hydrological modeling is a simplification or approximation from an actual reality of hydrological phenomena. Data’s availability for modeling is often become a problem because of incompleteness and imprecision data. Advancement of remote sensing technology makes it possible to overcome these problems by using data derived from satellites. To use satellite’s data for hydrological modeling needed a special software, one of it is the Integrated Flood Analysis System (IFAS). IFAS was be used to model the rainfall-runoff in Riau Province, Tapung Kiri watershed. This model was simulated and calibrated with period from 1 January until 31 December 2006 and then was validated with period 1 January until 31 December 2005. Modeling become optimal after the calibration process with the correlation (R) value of 0,776, volume error (VE) of 0,574%, and the coefficient of efficiency (CE) of 0,75. This showed that the model has a high degree of association with the measured data (0,7
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    PENGGUNAAN DATA HUJAN SATELIT UNTUK PEMODELAN HIDROLOGI DAS INDRAGIRI
    (2013-07-17) Hasan, Hasniati; Sutikno Sigit; Fauzi Manyuk
    The use of modeling techniques in hydrology research is now highly developed. It can be seen from the increasing number of hydrologic modeling that appears along with the development of knowledge and the advancement of computer technology. IFAS is a remote sensing program that was developed by a research institution of the Japanese public works called the International Centre for Water Hazard and Risk Management (ICHARM). the IFAS system has several parameters are initially set to default parameter values based on the data downloads from the satellite. This parameter is then calibrated by using a reference from the local hydrological data observed (measured data). If we do not have measured data then must use the default parameter values. Rain hydrological modeling process is carried out in the watershed flow Lubuk Ambacang with data length for 1 Januari until 31 Desember 2004 and then was validated with data length for 1 January until 31 December 2006. Modeling become optimal after the calibration process with the correlation (R) value of 0,717, volume error (VE) of 3,13%, and the coefficient of efficiency (CE) of 0,89. This showed that the model has a high degree of association with the measured data (0,7