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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
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Search results for , issue " Vol 17, No 1 (2011)" : 7 Documents clear
CITRA FORMOSAT-2 UNTUK MEMANTAU PENYEBARAN SUSPENDED SEDIMEN DI PESISIR KABUPATEN PANDEGLANG, PROPINSI BANTEN Anugrahadi, Afiat
GEOMATIKA Vol 17, No 1 (2011)
Publisher : Badan Informasi Geospasial in Partnership with MAPIN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24895/JIG.2011.17-1.176

Abstract

Selat Sunda memiliki arti penting sebagai lintasan air dari laut tertutup (Laut Jawa) dengan Laut Terbuka (Samudra Indonesia).  Tujuan penelitian untuk mengetahui penyebaran suspended sedimen di pesisir laut Kabupaten Pandeglang, Propinsi Banten. Metoda penelitian menggunakan data penginderan jauh dan data insitu. Data citra berupa citra  Formosat-2 multitemporal yang di akuisisi pada bulan Agustus 2007 dan 2008, dilakukan Koreksi Geometrik, Koreksi Radiometrik dan Klasifikasi Terbimbing. Data insituberupa data lapangan dengan penentuan lokasi menggunakan GPS dan analisis konsentrasi sedimen untuk mengetahui proses sedimentasi, didukung oleh data Arus, Gelombang, Arah Angin, dan Bathimetri. Hasil penelitian diketahui bahwa jumlah dan penyebaran TSS (Total Suspended Sediment) di setiap lokasi pengamatan pada tahun 2007 relatif lebih banyak dibandingkan dengan jumlah TSS pada tahun 2008. Kemungkinan disebabkan karena faktor angin yang ditimbulkan relatif lebih kuat yang dapat berpengaruh pada kuat dan arah arus, dan tingginya gelombang, sehingga material sedimennya tertransportasi mengikuti arus dan gelombang yang ditimbulkan oleh angin tersebut. Terlihat bahwa arah penyebarannya relatif ke arah utara, diperkirakan karena faktor dari arah arus pada tahun 2007 relatif ke arah utara.Kata kunci :Selat Sunda, suspended sedimen, citra Formosat-2. ABSTRACTSunda Strait has significance as a water passage from the ocean closed (Java Sea) with open sea (Indian Ocean). The purpose of the study is to determine distribution of suspended sediments in coastal water of Pandeglang, Banten Province. The research method is used satellite remote sensing data and in situ data. Image multitemporal data of Formosat-2, which were acquisition in the August 2007 and 2008, are conducted geometric correction, radiometric correction and supervised classification. Field survey were conducted to determine the location using GPS and measure the sediment concentration  for analyzing sedimentation process that supported by current data, waves, wind direction, and bathymetry. The results showed that the number and distribution of TSS (Total Suspended sediment) at each observation site in 2007, relatively higher than the concentration of TSS in 2008. This may caused by the wind stress which is relatively more powerful in 2007 that can affect the speed and direction of flow and wave speed.Furthermore, the sediment material influenced the direction of currents as well as the waves generated by winds. It also shown that the direction of their spreading relative to the north, presumably because offactors from the current direction in 2007 relative to the north.Keywords :  Selat Sunda, suspended sediment,  Formosat-2 image.
Satellite Imageries for Supporting Tourism Development in Indonesia Wati, Sri Eka; Narieswari, Lalitya
GEOMATIKA Vol 17, No 1 (2011)
Publisher : Badan Informasi Geospasial in Partnership with MAPIN

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (718.492 KB) | DOI: 10.24895/JIG.2011.17-1.181

Abstract

Tourism is one of important sectors which support human life. It is basically defined as people’s activities to go to a certain interesting place during leisure time or holiday season. The attractive place offers some benefits to visitors, especially in relation with relaxation purpose. Tourism activities also play a role as one of the potential sectors influencing the development of a certain area and total of local income. In this case, tourism activities significantly affect the increasing of supporting facilities, for instance food stall, cottage, transportation line, etc. Furthermore, the number of visitors directly affects the total of regional income obtained from retribution fee and tax of each tourism object. Based on these reasons, local government tries to promote the existing tourism objects in order to increase both local and national income.Bangka Belitung Islands, one of the provinces in Indonesia, has beautiful scenery which attracts a lot of foreign and domestic tourists. More than 40 interesting places located at six regencies and a city under administrative authority of Bangka Belitung Islands Province offer unforgettable moment. Most of them are natural objects, for instance beach, hot spring water, and lake. Unfortunately, the number of visitors in this area is quite low comparing with other provinces in Indonesia. Thus, this condition requires the improvement of promotion action to attract the national and international visitors.Tourism promotion activities were generally done by developing tourism book, booklet, leaflet, and tourism’s website. The contents were map, photo, and description of tourism object related to location, history, and supporting facilities. In line with the development of Remote Sensing (RS) application, tourism object can be also exposed through satellite imageries. Some satellite imageries covering the area of Bangka Belitung Islands were processed to obtain several enhanced images. Landsat images were processed into composite band of 452, 321, 432, and 542 whereas Quickbird images were presented in natural color. Those processed images were utilized to visualize the present tourism objects in this province whether in terms of location and distribution as well. All information was subsequently presented through a book called Tourism Atlas from Space of Bangka Belitung Islands Province. The book becomes one of the supporting tools to promote tourism objects in this province.Key words: Satellite Imageries, Tourism, Bangka Belitung Islands- IndonesiaABSTRAKPariwisata merupakan salah satu sektor  penting yang mendukung kehidupan manusia. Selain menawarkan relaksasi bagi pengunjung,  kegiatan pariwisatajuga berperansebagaisalah satu sektorpotensialyang mempengaruhi perkembangandaerah tertentu dantotalpendapatan daerah. Jumlah pengunjungsecara langsung mempengaruhitotalpendapatan daerahyang diperoleh dariretribusidan pajakdari setiapobjek wisata. Kepulauan Bangka Belitungmemiliki pemandangan indahyang menarikbanyakwisatawan asingdan domestik. Lebih dari40tempat-tempat menarikyang terletak dienamkabupatendan kotadi bawahadministrasiProvinsi KepulauanBangka. Sayangnya, jumlahpengunjung di daerahini cukup rendahdibandingkandengan provinsi lainnyadi Indonesia. Kondisi initentunya membutuhkanpeningkatanaksipromosiuntuk menarikpengunjungnasional daninternasional.Kegiatanpromosi pariwisataumumnyadilakukan dengan mengembangkanbukupariwisata,buku, leaflet, dansituspariwisata. Isinyapeta,foto,dan deskripsiobyek wisatayang berhubungan dengan lokasi, sejarah, danfasilitas pendukung. Sejalandengan perkembanganaplikasi Penginderaan Jauh, objekwisata juga bisa diekspose menggunakan citra satelit.Beberapacitra satelit(Landsat, Quickbird) meliputi wilayahBangkaBelitungKepulauandiprosesuntuk mendapatkan visualisasi yang lebih baik. Gambar tersebutdiprosesdipergunakan untukmemvisualisasikanobjek-objek wisatayang ada di provinsi inibaik dalamhal lokasidan distribusi.Semua informasikemudiandisajikan melaluibuku berjudulAtlasPariwisatadariRuangProvinsiKepulauan Bangka Belitung. Buku inimenjadisalah satu alatpendukung untukmempromosikanobyek wisatadi provinsi ini.Kata Kunci: Citra Satelit, Pariwisata, Pulau Bangka Belitung -Indonesia
MODEL SPASIAL DAMPAK PENURUNAN MUKA TANAH DAN GENANGAN PASANG AIR LAUT (ROB) DI WILAYAH PESISIR JAKARTA Yulianto, Fajar; Marfai, Muh Aris
GEOMATIKA Vol 17, No 1 (2011)
Publisher : Badan Informasi Geospasial in Partnership with MAPIN

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1128.835 KB) | DOI: 10.24895/JIG.2011.17-1.177

Abstract

Tidal inundation (rob) distribution and calculation of area impact on land use has been conducted by using prediction of land subsidence spatial model. Model  is generated by using moving average inverse distance interpolation in high point map to achieved Digital Elevation Model (DEM) prediction in 2010, 2015 and 2020. Rob inundation is made using iteration function of neighborhood operation in data of DEM raster. The result of accuracy and reliability of the model are 51% and 73%, respectively. The impact of rob inundation is based on overlay rob inundation model of land use from interpretation image SPOT-4, that shows trend to increase year to year.Key word: Land subsidence, tidal inundation, iteration neighborhood operation, GIS, and remote sensing   ABSTRAK Telah dilakukan pemodelan spasial prediksi land subsidence, distribusi genangan pasang air laut (rob) dan perhitungan luas dampak rob terhadap penggunaan lahan. Model dibuat menggunakan interpolasi moving average inverse distance pada data titik tinggi yang diformulasikan untuk mendapatkan prediksi Digital Elevation Model (DEM) pada tahun 2010, 2015 dan 2020. Model genangan rob dibuat menggunakan fungsi iterasi operasi neighborhood yang diterapkan pada data raster DEM. Hasil analisis dari akurasi dan reliabilitas masing-masing sebesar 51% dan 73%. Luas dampak genangan rob diperhitungkan berdasarkan overlay model genangan rob terhadap penggunaan lahan hasil interpretasi Citra SPOT-4, yang menunjukkan kecenderungan semakin meningkat dari tahun ke tahun.      Kata Kunci: Land subsidence, genangan pasang air laut (rob), iterasi operasi neighborhood, SIG dan penginderaan jauh
MENCARI CITRA ALOS PADA KONDISI PASUT TERTENTU Amhar, Fahmi
GEOMATIKA Vol 17, No 1 (2011)
Publisher : Badan Informasi Geospasial in Partnership with MAPIN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24895/JIG.2011.17-1.178

Abstract

Every satellite images has certain astronomical effects.  On all kinds of satellite images (optical and radar) over coastal area, the astronomical effect is tidal.  Without correction, the images will lead systematical error in tracking the shorelines and also the island boundary and the island area.  This paper will focus how to find an ALOS image on certain tidal condition for further processing. ABSTRAKSetiap citra satelit dihinggapi kesalahan sistematis karena efek-efek astronomi tertentu.Pada wilayah pesisir, efek astronomi tersebut adalah sistem bumi-bulan-matahari yang berakibat pasang surut. Tanpa koreksi, akan terjadi kesalahan secara sistematis dalam pelacakan garis pantai dan juga batas pulau dan daerah pulau. Tulisan akan fokus pada bagaimana menemukan suatu citra ALOS pada kondisi pasang surut tertentu untuk dapat diolah lebih lanjut.
EVOLUSI SISTEM INFORMASI GEOGRAFI S. Tikunov, Vladimir
GEOMATIKA Vol 17, No 1 (2011)
Publisher : Badan Informasi Geospasial in Partnership with MAPIN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24895/JIG.2011.17-1.179

Abstract

Geoinformatics is described as a scientific and technical complex integrating the branch of scientific knowledge, the appropriate technology and the applied, or productive, activities concerned with the development and implementation of geographical information systems. Four stages of geo-informatics evolution are discussed, and its prospects are outlined in brief.Keywords: geographical information systems, GIS evolution, periods of development, decision support systems, future trends. ABSTRAKGeoinformatika dideskripsikan sebagai ilmu pengetahuan dan teknologi yang komplek yang mengintegrasikan cabang pengetahuan keilmuan, teknologi tepat guna dan terapan, atau aktivitas produktif yang berhubungan dengan pembangunan dan implementasi sistem informasi geografis. Ada empat tahapan evolusi geoinformatika yang didiskusikan dan prospeknya dijelaskan secara singkat dalam artikel ini.          Kata kunci: Sistem Informasi Geografi, Evolusi SIG, periode pembangunan, system pendukung keputusan, tren masa depan.
DEFORESTATION AND ITS IMPLICATIONS TO THE POPULATION OF SUMATRAN TIGER (PANTHERA TIGRIS SUMATRAE) IN BUKIT BARISAN SELATAN NATIONAL PARK, SUMATRA Suyadi, Suyadi
GEOMATIKA Vol 17, No 1 (2011)
Publisher : Badan Informasi Geospasial in Partnership with MAPIN

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2722.596 KB) | DOI: 10.24895/JIG.2011.17-1.175

Abstract

Bukit Barisan Selatan National Park (BBSNP) is home for Sumatran tigers (Panthera tigris sumatrae), one of world’s most endangered mammals (Appendix I of CITES). Much of the forest cover in BBSNP has been cleared dramatically and deforestation is a great threat on the population of tigers. Remotely-sensed data sets were linked with wildlife survey using camera traps to examine the deforestation from 1998 to 2006 and its effects to the population of Sumatran tigers in BBSNP. This paper assesses the relationship between deforestation in BBSNP with the population of Sumatran Tigers. It was found that the average rates of forest loss in BBSNP were 18.76 km2 per year, representing a 7% loss from 1998 to 2006. In addition, the number of tigers declined from 57 tigers in 2000 to 22 tigers in 2006, and tiger density decrease from 2.25 tigers/100km2 in 2000 to 1.16 tiger/100km2 in 2006. Keywords: Deforestation, Sumatran tiger, satellite imageries, Camera Trap, Bukit Barisan Selatan National Park. ABSTRAKTaman Nasional Bukit Barisan Selatan adalah habitat bagi harimau Sumatra (Panthera tigris sumatrae), salah satu mamalia yang terancam keberadaannya (Lampiran I CITES). Banyak hutan yang sudah dibabat secara dramatis dan penggundulan hutan merupakan ancaman yang besar pada populasi harimau. Data penginderaan jauh dikorelasikan dengan survei satwa liar yang menggunakan camera traps untuk mengkaji deforestasi dari tahun 1998 sampai 2006 dan pengaruhnya pada populasi harimau Sumatra dalam wilayah taman nasional tersebut. Makalah ini mengkaji hubungan antara penurunan jumlah hutan dengan populasi harimau Sumatra. Ditemukan bahwa rata-rata kehilangan hutan di taman nasional ini adalah 18,76 km per tahun, sekitar 7% dari tahun 1998 s.d. 2006. Jumlah harimau yang terekam menurun dari 57 di tahun 2000 menjadi 22 tahun 2006, dan populasinya menurun dari 2,25/100km2 di tahun 2000 menjadi 1,16/100km2 tahun 2006. Katakunci: Penggundulan hutan, harimau Sumatra, citra satelit, kamera trap,Taman Nasional Bukit Barisan Selatan.
Study Forest Degradation in Kalimantan using NDVI SPOT Vegetation Widjojo, Suharto; Darmawan, Mulyanto
GEOMATIKA Vol 17, No 1 (2011)
Publisher : Badan Informasi Geospasial in Partnership with MAPIN

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

AbstractKalimantan tropical rain forest (KTRF), for many years, has been subject for timber extraction, agriculture and plantation expansion, as well as settlement. Although it has experiencing ever land clearing, forest degradation both in spatial and temporal are poorly studied. In this study SPOT Vegetation were applied to scale up the understanding of forest degradation in KTRF. In the initial stage, NDVI SPOT Vegetation 10 day’s composite was evaluated for phenological analysis. Secondly, K-mean classification and Knowledge Base Expert System (KBSE) method were applied to nine phenological metrics (Onset, End, Max, Min, AMP, RtUp, RtDn, and DUR, TIN) to calculate proportion of forest (Pof) and connectivity of forest with other non forest (Cof). Finally, the Geometrical shapes of forest were evaluated to understand forest degradation in Kalimantan forest. Result found that about 46% of Kalimantan forest has been threatened or experience with forest clearance which correspond to plantation and agriculture crops. 54% of natural forest was corresponding to transitional forest, perforated and edge forest at about 8%, 9% and 37% respectively.Keywords: Kalimantan, Rain Forest, Degradation AbstrakHutan Hujan BasahKalimantan, dalam beberapa tahun, berperan sebagai pemasok kayu gelondongan, pengembangan wilayah pertanian dan perkebunan, demikian pula sebagai pemukiman. Walaupun telah banyak lahan yang di rambah, sangat sedikit studi kerusakan hutan secara spasial dan temporal.Dalam studi ini digunakan SPOT Vegetasi untuk mengetahui skala kerusakan hutan di Hutan Hujan BasahKalimantan. Dalam langkah awal, gabungan 10 hari Citra NDVI SPOT Vegetasi dievaluasi untuk analisa Fenologi, Kemudian digunakan metode klasifikasi K-mean dan Knowledge Base Expert System (KBSE) terhadap Sembilan parameter Fenologi (Onset, End, Max, <in, AMP, RtUp, RtDn, dan DUR, TIN) untuk menghitung proporsi hutan (Pof),dan hubungan antara hutan dengan non hutan (Cof). Akhirnya, bentuk Geometris dari pada hutan dievaluasi untuk mengetahui kerusakan hutan di Kalimantan. Hasilnya dijumpai bahwa sekitar 46% hutan Kalimantan telah di babat dengan cara pembukaan hutan untuk perkebunan dan lahan pertanian. 54% dari hutan alam, berupa hutan transisi 8%, hutan perforasi  9%, dan hutanpinggiran 37%.Kata kunci: Kalimantan, Hutan Hujan Basah, Degradasi,

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