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INDONESIA
JURNAL ILMIAH GEOMATIKA
Published by Badan Informasi Geospasial
ISSN : 08542759     EISSN : 25022180     DOI : -
Core Subject : Science, Education,
Earth & Planetary Sciences Mathematics
Geomatika (can be called Jurnal Ilmiah Geomatika-JIG) is a peer-reviewed journal published by Geospatial Information Agency (Badan Informasi Geospasial-BIG). All papers are peer-reviewed by at least two experts before accepted for publication. Geomatika will publish in two times issues: Mei and November.
Arjuna Subject : -
Articles 7 Documents
 1 
Search results for , issue " Vol 22, No 1 (2016)" : 7 Documents clear
INVESTIGATION OF THE SOLID EARTH TIDE BASED ON GPS OBSERVATION AND SUPERCONDUCTING GRAVIMETER DATA Pahlevi, Arisauna Maulidyan; Prijatna, Kosasih; Meilano, Irwan; Sofian, Ibnu
GEOMATIKA Vol 22, No 1 (2016)
Publisher : Badan Informasi Geospasial in Partnership with MAPIN

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1161.416 KB) | DOI: 10.24895/JIG.2016.22-1.488

Abstract

According to Zheng (2006), vertical displacement caused by the solid earth tide often reaches in range 20 cm, and can exceed 30 cm in some stations. To measure solid earth tide we can use satellite system or sensitive gravimeters (Ito et al., 2009). This paper aims to investigate solid earth tide based on Global Positioning System (GPS) data compare with Superconducting Gravimeter (SG) data and solid earth tide global model. Processing GPS data using Kinematic Precise Point Positioning (KPPP) method within a year data from 1st January – 31st December 2011. We use BAKO GPS Permanent station data and Cibinong SG Station data. The location of BAKO station is close to Cibinong SG station, which is about 50 meters. The result of this paper are solid earth tide which is derived from both devices have the same pattern, and it is dominated by semi-diurnal components. Applicability global models with SG observations has smaller residue with standard deviation is 0.0031 mgal, this result is equivalent with 0.0098 meter. Comparison between the results of GPS observations to global models which have a standard deviation residue for vertical component is 0.0360 meters.
DEVELOPING OF TRIGRS (TRANSIENT RAINFALL INFILTRATION AND GRID-BASED REGIONAL SLOPE–STABILITY ANALYSIS) INTO TRIGRS MAP FOR LANDSLIDE SUSCEPTIBILITY MAPPING Yunarto, Yunarto
GEOMATIKA Vol 22, No 1 (2016)
Publisher : Badan Informasi Geospasial in Partnership with MAPIN

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1496.127 KB) | DOI: 10.24895/JIG.2016.22-1.569

Abstract

ABSTRACTTRIGRS is a modeling program for slope stability against the occurrence of landslide and pore water pressure changes due to infiltration of rainfall. There are two problems in TRIGRS operation. Firstly, whole data must have no mistake before being executed in TRIGRS. Secondly, TRIGRS is not completed by spatial visualization based on Geographic Information System (GIS), so it needs GIS e.g. MapInfo, ArcGIS, and ILWIS to visualize its result. The purpose of this paper is present the result of development of TRIGRS MAP by using integrated mapping technique between MapInfo and Visual Basic. Implementation of TRIGRS MAP for Bandung Regency area has generated a landslide susceptibility map of the area. By using TRIGRS MAP, user can avoid a mistake in data initialization and directly visualize its result as a map. Thus, TRIGRS MAP can be used to process data from other area for creating the landslide susceptibility map more easily and efficiently 
PEMANFAATAN TEKNOLOGI SPASIAL DALAM PENGELOLAAN DAERAH ALIRAN SUNGAI (DAS) BINANGA LUMBUA KABUPATEN JENEPONTO SULAWESI SELATAN Ishak, Ismah Pudji Rahayu; Asman, Andi Idham; Ahmad, Despry Nur Annisa
GEOMATIKA Vol 22, No 1 (2016)
Publisher : Badan Informasi Geospasial in Partnership with MAPIN

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (408.929 KB) | DOI: 10.24895/JIG.2016.22-1.403

Abstract

Permasalahan yang dialami DAS Binanga Lumbua dari hasil observasi singkat sebelumnya mengindikasikan bahwa DAS ini mengalami kekritisan. Hal tersebut terindikasi karena pada saat musim hujan, wilayah ini mengalami banjir akibat luapan dari DAS. Ketika musim kemarau, wilayah ini mengalami kekeringan dan benar-benar tandus. Salah satu hal yang dapat dilakukan dari adanya indikasi kekritisan pada DAS ini adalah dengan tetap menjaga keseimbangan ekosistem di DAS melalui upaya Pengelolaan DAS menggunakan teknologi spasial Sistem Informasi Geografis (SIG). Tujuan penelitian ini diarahkan untuk mengalisis tingkat kekritisan ekosistem lingkungan DAS Binanga Lumbua dan memberikan arahan pemanfaatan ruang untuk mengelolah lingkungan di DAS Binanga Lumbua berdasarkan pada zonasi tingkat kekritisan. Metode analisis yang digunakan adalah teknik analisis overlay dengan mengunakan teknologi spasial GIS. Kekritisan DAS dapat dilihat melalui pendekatan keberadaan air tanah yang berdasarkan pada parameter hidrogeomorfologi dan analisis ini menghasilkan peta tingkat kekritisan DAS. Dari peta tingkat kekritisan DAS inilah yang dijadikan dasar dalam menentukan langkah pengelolaan apa yang akan dilakukan di area DAS Binanga Lumbua ini. Diharapkan pula, penelitian ini bisa dijadikan sebagai langkah awal wilayah ini dalam mengatasi permasalahan lingkungan pada daerah aliran sungai setempat.
EKSTRAKSI KEDALAMAN LAUT MENGGUNAKAN DATA SPOT-7 DI TELUK BELANGBELANG MAMUJU (THE BATHYMETRY EXTRACTION USING SPOT-7 DATA AT THE BELANGBELANG BAY WATERS MAMUJU) Arya, Arya; Winarso, Gathot; Santoso, Agus Iwan
GEOMATIKA Vol 22, No 1 (2016)
Publisher : Badan Informasi Geospasial in Partnership with MAPIN

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (809.928 KB) | DOI: 10.24895/JIG.2016.22-1.423

Abstract

Dinas Hidro-Oseanografi TNI AL merupakan salah satu lembaga yang memiliki tugas menyediakan Peta Laut untuk kepentingan keselamatan pelayaran. Teknologi penginderaan jauh memberikan peluang untuk pemetaan batimetri perairan dangkal secara efektif dan efisien, terutama di daerah yang memiliki tingkat perubahan kedalaman yang relatif cepat. Tulisan ini membahas studi akurasi ekstraksi kedalaman laut dengan metode Lyzenga dan modifikasinya dengan menggunakan Data SPOT-7, sehingga pada penelitian ini dikaji tingkat ketelitian batimetri yang diekstrak menggunakan Data SPOT-7 dengan resolusi spasial 6 meter di Perairan Teluk Belangbelang Mamuju Sulawesi Barat. Data lapangan yang digunakan adalah data survei hidrografi untuk pendaratan amphibi di Teluk Belangbelang Mamuju. Metode yang dikaji dalam penelitian ini adalah metode yang dikembangkan oleh Kanno dkk. (2011) yang dimodifikasi dari Metode Lyzenga (2006) yang terdiri dari 4 jenis yaitu Lyzengga (2006) murni (LYZ), KNW dengan pengembangan dari LYZ dengan penyeragaman asumsi pengaruh kolom air dan atmosfir, SMP yaitu dengan menambahkan regresi semi-parametrik, STR (Spatial Trend) dengan mengkoreksi faktor error pada koordinat pixel, dan TNP yaitu gabungan dari ketiga metode antara lain: KNW, SMP dan STR. Hasil terbaik dengan ketelitian hampir 70% pada keseluruhan data didapatkan melalui metode TNP pada orde 2. Begitu juga persentase terkecil yang tidak masuk orde ketelitian adalah metode TNP dengan nilai 30,32%. Ketelitian pendugaan kedalaman dengan metode STR untuk kedalaman <0 m adalah 0,11 m, 0 - 2 m adalah 0,25 m, 2,1 - 5 m adalah 0,68 m.
Front Cover GEOMATIKA Vol. 22 No. 1 geomatika, redaksi
GEOMATIKA Vol 22, No 1 (2016)
Publisher : Badan Informasi Geospasial in Partnership with MAPIN

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (202.278 KB) | DOI: 10.24895/JIG.2016.22-1.751

Abstract

SPATIAL DISTRIBUTION OF SEA SURFACE TEMPERATURE IN WEST SUMATERA SEAWATERS ASSOCIATED WITH INDIAN OCEAN DIPOLE (IOD) EVENT IN TRANSITIONAL SEASONS (AUGUST-OCTOBER) (Case Study: Pasumpahan and Sibonta Island) Wisha, Ulung Jantama; Tanto, Try Al; Ilham, Ilham
GEOMATIKA Vol 22, No 1 (2016)
Publisher : Badan Informasi Geospasial in Partnership with MAPIN

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1004.323 KB) | DOI: 10.24895/JIG.2016.22-1.459

Abstract

Along with the issue of climate change which is characterized by an increase in global temperature, the sea surface temperatures (SST) also allegedly helped change that has direct and consequential to the phenomenon of coral bleaching that occurred in the waters Pasumpahan, Sibonta and several other areas in West Sumatra. The purpose of this study was to identify anomalies in the sea surface temperature in the waters Pasumpahan and Sibonta due to the influence of the phenomenon of Indian Ocean Dipole. The method used is purposive quantitative with perform spatial analysis (Inverse Distance Weighted). Primary data are consisted of SST and tide data which measured using the HOBO U20 titanium water level data logger. The secondary data are consisted of RBI map, Google eye image and tide forecast. SST around Pasumpahan waters ranged from 30-30,6oC and Sibonta waters ranged from 30,1-30,6°C. At a depth of 25 meters, Pasumpahan waters temperature ranged from 29,152-30,457°C and Sibonta waters temperature ranged from 26,28-28,5°C, the surface elevation ranged from 0,83 to 1,17 m from MSL point, rainfall average in August until October ranged from 5,64-7,71 mm. The rainfall, temperature and surface elevation changes are affecting each other. Temperature anomalies occurred in the Sibonta waters due to the closer location with Indian Ocean, directly influence to Sibonta waters temperature that is relatively volatile.
Preface GEOMATIKA Vol. 22 No. 1 geomatika, redaksi
GEOMATIKA Vol 22, No 1 (2016)
Publisher : Badan Informasi Geospasial in Partnership with MAPIN

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (343.334 KB) | DOI: 10.24895/JIG.2016.22-1.752

Abstract

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