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Budi, Sanjoto Tjaturahono
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Earth & Planetary Sciences

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Analisis Kerentanan Pesisir Akibat Kenaikan Muka Air Laut di Kota Semarang Menggunakan Sistem Informasi Geografis (SIG) Dwi, Andika Niqa; Ananto, Aji; Budi, Sanjoto Tjaturahono
Geo-Image Vol 7 No 1 (2018): Geo-Image
Publisher : Geo-Image

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/geoimage.v7i1.23402

Abstract

The purpose of this research is to assess the vulnerability of coastal area due to sea level rise in Semarang City. Assessing vulnerability is done by calculating coastal vulnerability index with 6 parameters, ie geomorphology, coastal slope, coastline change, sea level rise, tides, and sea waves. The results of coastal susceptibility indexes are classified into grade level of potential hazards / vulnerabilities. This study resulted in coastal vulnerability level of Semarang City classified in medium and high class. Areas with class of potential hazard / vulnerability are classified into 5 village namely Tugurejo, Tambakharjo, Tawangsari, Panggung Lor, and Bandarharjo. As for the class is high there are 9 villages namely Mangkang Kulon, Mangunharjo, Mangkang Wetan, Randugarut, Karanganyar, Tanjung Mas, Terboyo Kulon, Terboyo Wetan and Trimulyo. Parameters that affect coastal vulnerability in Semarang are coastline, geomorphology and sea level rise. On the parameter of coastline change shows negative changes in the form of abrasion, thus reducing the area of land. Geomorphological parameters of coastal areas of Semarang City belong to high vulnerability. Meanwhile, the topography in the coastal city of Semarang is classified as sloping so it is very vulnerable to sea level rise.
Pemetaan Risiko Bencana Longsor Sebagai Upaya Penanggulangan Bencana di Kecamatan Tembalang Kota Semarang Fitriani, Nur; Heri, Tjahjono; Budi, Sanjoto Tjaturahono
Geo-Image Vol 7 No 2 (2018): Geo-Image
Publisher : Geo-Image

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/geoimage.v7i2.23451

Abstract

This Research aims for knowing the level of landslide risk and for knowing how much knowledge of citizens, then to know how disaster management is done in Tembalang district, Semarang city. To create landslide risk map was based on the Regulation of the Head of National Disaster Management Agency Number 02, 2012, defined by Hazard, Vulnerability, an Capacity factors.In determining hazard, vulnerability, and capacity, each has sub factors to determine it along with the scores. Based on this research in Tembalang district, the villages have high level of risk are Jangli, Tandang, Sambiroto, Mangunharjo, Tembalang, Bulusan, Sendangmulyo, and Meteseh. In Tembalang district, most of the villagers already have the basic knowledge of landslide, and in their handling about landslide they used to build talud together.
Pemanfaatan Citra Satelit Untuk Menganalisis Kualitas Lingkungan Permukiman di Kecamatan Pekalongan Selatan Kota Pekalongan Gayuh, Supangkat; Erni, Suharini; Budi, Sanjoto Tjaturahono
Geo-Image Vol 7 No 2 (2018): Geo-Image
Publisher : Geo-Image

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/geoimage.v7i2.23454

Abstract

Increased population growth always bring a change of one is the change in the level of environmental quality neighborhoods. The availability of space in the city's fixed and finite, then the alternative elections occurred naturally in the space to meet the need for housing and the building of settlements performed ignoring about environmental quality neighborhoods. These parameters include the density of building settlements, settlement building layout, the width of the entrance of the settlement, the settlement's entrance road conditions, location of settlements, and a protective tree driveway neighborhoods. To help the analysis process by making use of remote sensing technology for the mapping, and using software SIG. The method is using score (scoring), stack bundles (overlay). The result of the overlay map quality neighborhoods in district of Pekalongan Selatan, Pekalongan. From this research it can be known that settlements in Pekalongan South with good quality with an area of 60.9 Hectares, better quality with extensive 373.9 Ha, bad quality and with an area of 89.1 Ha. The results of the settlement in the South dominated by the Pekalongan neighborhoods with better quality.
Perubahan Garis Pantai dan Pengaruhnya Terhadap Status Kepemilikan dan Penguasaan Tanah Timbul di Muara Sungai Wulan Tahun 1986-2016 Condro, Hastuti Endang; Budi, Sanjoto Tjaturahono; Puji, Hardati
Geo-Image Vol 7 No 2 (2018): Geo-Image
Publisher : Geo-Image

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/geoimage.v7i2.23455

Abstract

Change of the shoreline is an event that affected by the proceedings accretion and abrasion.Due to changes in the shoreline is the emergence of the terrestrial globe earth arising. Land arising is an asset valuable that can be used for the benefit of people in surrounding.The goals are 1 ) to identify a tendency change the shoreline years 1986-2016, 2 ) to identify speed change the shoreline, 3 ) to identify the causes of change the shoreline, and 4 ) to identify an impact the shoreline about the status of possession and tenure of land arising in the mouth of the Wulan river on 2016.Technique analysis the data used is a technique analysis interpretation imagery and descriptive analysis explorative.The result of this research are 1 ) the trend in the change the sea shore in Berahan Kulon village is accretion , while in Berahan Wetan village is abrasion , 2 ) the speed changes in land accretion is 29,4 m/year and on land abrasion 11,919 meters/year , 3 ) the process of accretion and abrasion caused by the difference in width of the river so as to affect material intake sediment that has come into the two rivers the sources of their astuaries , and 4 ) the status of ownership and mastery of fish-ponds within Berahan Kulon village is 98 % sppt and 2 % have a certificate and the status majority of personally.
Co-Authors Ananto, Aji Condro, Hastuti Endang Dwi, Andika Niqa Erni Suharini Gayuh, Supangkat Heri Tjahjono NUR FITRIANI Puji, Hardati