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All Journal TEKNIK Torani Journal of Fisheries and Marine Science MAJALAH ILMIAH GLOBE ANNALES BOGORIENSES OLDI (Oseanologi dan Limnologi di Indonesia) International Journal of Remote Sensing and Earth Sciences (IJReSES) JGISE-Journal of Geospatial Information Science and Engineering
Atriyon Julzarika
Lembaga Penerbangan dan Antariksa Nasional (LAPAN)
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PENGGUNAAN DATA SATELIT OPTIK DAN SAR UNTUK PENDETEKSIAN LEMPENG DAN STRUKTUR GEOLOGI Julzarika, Atriyon; Wiji, Wiji
MAJALAH ILMIAH GLOBE Vol 14, No 2 (2012)
Publisher : Badan Informasi Geospasial

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1159.54 KB) | DOI: 10.24895/MIG.2012.14-2.144

Abstract

Sejauh ini pengukuran lempeng dan struktur geologi dilakukan melalui pengukuran lapangan. Namun perkembangan teknologi penginderaan jauh satelit dapat digunakan untuk mendeteksi lempeng dan struktur geologi. Tujuan dari penelitian ini adalah untuk melakukan pendeteksian lempeng dan struktur geologi yang efisien dan berbiaya rendah dengan menggunakan data satelit (optik dan SAR). Pendeteksian lempeng dan struktur geologi ini dilakukan dengan pendekatan geo-matematika (perataan). Penelitian ini menggunakan citra optik Grace dan Altimetri dan citra SAR yaitu ALOS Palsar, XSAR, dan SRTM. Citra Grace dan Altimetri digunakan untuk pembuatan model geoid yaitu Earth Gravitational Model (EGM) 2008) dan defleksi vertikal. Hasil defleksi vertikal (xi dan eta) inilah yang digunakan untuk pendeteksian lempeng. Data ALOS Palsar, XSAR, dan SRTM3 C digunakan untuk pembuatan height model dengan metode integrasi dari ketiga height model dari data tersebut sehingga dihasilkan height model yang akurat dan presisi. Koreksi bull eye’s diterapkan pada height model untuk menghilangkan anomali tinggi dengan metode Height Error Maps (HEM), yang dilanjutkan dengan koreksi undulasi geoid terhadap EGM2008. Selanjutnya height model tersebut digunakan untuk mendeteksi struktur geologi berupa sesar dengan metode Dip and Strike. Hasil dari penelitian ini bisa digunakan sebagai alternatif dalam pembuatan peta pergerakan lempeng dan peta struktur geologi. Selain itu juga bisa diaplikasikan untuk transformasi koordinat astronomis ke koordinat geodetik dalam penentuan batas wilayah. Proses pendeteksian lempeng dan struktur geologi ini lebih efisien dan berbiaya rendah sehingga bisa diaplikasikan untuk berbagai kepentingan keteknikan dan non keteknikan.Kata Kunci: Lempeng, Struktur Geologi, Citra Satelit Optik, SAR, Efisien ABSTRACTSo far, measurement of plate tectonic and geology structure has been done by field measurement. However, the advancement in satellite remote sensing technology enable it to be used for detecting the plate tectonic and geology structure. This research aims to detect plate tectonic and geology structure efficiently and low cost by using optical and SAR satellite data. The detection used a geo-mathematical approach (averaging). This research used optical image of Grace and Altimetry, and SAR imageries namely ALOS Palsar, XSAR, and SRTM. The Grace and Altimetry imageries used for building geoid model which is Earth Gravitational Model (EGM) 2008) and vertical deflection. The result of vertical deflection (xi and eta) then used for detecting the plate. Meanwhile, the ALOS Palsar, XSAR, dan SRTM3C imageries were used for building a height mode by integrated those three height models. The result was a high accuracy and precision of height model. A “bull eye’s” correction using Height Error Maps (HEM) method was applied to remove the height anomaly. The process continues by correction of geoid undulating of the EGM2008. The integrated height model then used for detecting the plate and geology structure i.e. fault using dip and strike method. The research result shows that this method can be alternative for mapping plate movement and geology structure. Besides that, it can also be applied for transforming astronomical coordinate into geodetic coordinate in an area boundary delimitation. In sum, the plate and geology structure process developed is considered efficient and low cost, so that it can be applied for several technical and non-technical purposes.Kata Kunci: Plate Tectonic, Geology Structure, Optical Satellite Imagery, SAR, Efficient
Identification Of Aquatic Plant Species From Bantimurung Waterfall And Their Phytochemical Compounds Analysis Nugraha, Media Fitri Isma; Maharani, Fasya Hadaina; Novita, Hessy; Rajamuddin, Muh Alias L; Yunita, Rossa; Reflinur, Reflinur; Enggarini, Wening; Julzarika, Atriyon; Elya, Berna Elya
ANNALES BOGORIENSES Vol 23, No 1 (2019): Annales Bogorienses
Publisher : Research Center for Biotechnology - Indonesian Institute of Sciences (LIPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3132.928 KB) | DOI: 10.14203/ann.bogor.2019.v23.n1.41-48

Abstract

A total of 21 aquatic plant species were collected from Bantimurung waterfall areas, South Sulawesi, Indonesia, in October 2017. These plant materials were subjected to both species and phytochemicals identification. The aims of this study were to determine the species or taxonomic rank of Indonesian aquatic plants collected from Bantimurung waterfall, South Sulawesi, Indonesia and to identify their chemical compounds (phytochemicals) as a candidate for new herbal medicine. Plant genetic materials used in this study were collected from Bantimurung Bulusaraung waterfall and were then identified based on standard botanical techniques for species identification in the Herbarium Bogoriense, Research center for Biology Indonesian Institute of Science (LIPI), Cibinong, West Java. The samples were subjected to the phytochemistry screening such as alkaloids, flavonoids, tannins, saponins, glycosides, terpenoids and anthraquinone followed the procedures of Indonesian Materia Medika and Harborne.  Results showed that all collected aquatic plant samples were able to be identified, including their species names. Phytochemical screening of each sample revealed the presence of glycoside in all of the tested species. However, no alkaloids, anthraquinones, and terpenoids were observed in those tested plant samples. Of the total 21 aquatic plants, 14 species contained flavonoids, 8 species contained phenol compound, and 10 species contained saponins. Among these species Donnax canniformis possessed good antioxidant activity, which correlated to its total phenolic and flavonoid contents. Our results would be beneficial for any future effort in the development of new herbal drugs derived from aquatic plants.
PENURUNAN MODEL PERMUKAAN DIJITAL (DSM) MENJADI MODEL ELEVASI DIJITAL (DEM) DARI CITRA SATELIT ALOS PALSAR (Studi kasus: NAD Bagian Tenggara, Indonesia) Julzarika, Atriyon; Sudarsono, Bambang
TEKNIK Volume 30, Nomor 1, Tahun 2009
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2290.427 KB) | DOI: 10.14710/teknik.v30i1.1814

Abstract

Alos satellite is one of the natural resources satellite that could be used in 3D applications. The problemsthat be taken in generate 3D model with satellite imagery are the model always be formed as DigitalSurface Model (DSM), not Digital Terrain Model (DTM), Digitallen HöheModellen (DHM), Digital GeoidModel (DGM) or Digital Elevation Model (DEM). The reference system of 3D model that are produced byAlos satellite image still as surface for z axis, for x axis and y axis has been closed to 2D reference systemin some certain datum and system of map projection. In case, it needs a research for observating theaccuracy and precision of Alos satellite data using a least square adjustment of parameter methods. Theresults of this research will be used as reference for next research to invent a way for changing DSM fromAlos satellite image to be DEM, DTM, DHM, DHM, and DGM digital-automatically. It is a new innovationof differentialing technical of 3D model.A differentialing technical from DSM to be DEM could be done with least square adjustment in parametermethods. It calls DSM2DEM*. This new innovation methods for differentialing DSM2DEM. In that studycases, differentialing technical that are used be divided for two class, that are lowland area and highlandarea. Differentialing in that two class use similar methods, just is differentiated in sum up of researchingpoints that are used. In this research study of cases are in highland area and lowland area. In highlandarea uses minimize 14 researching points and in lowland area uses minimize seven researching points.That differentialing technical are done in Alos images. In other satellite images, photos, videos that studyin highland and lowland area also use this methods for differentialing DSM2DEM. Order level that areused as research points will influence the quality of its data accuracy and precision.
UJI KETELITIAN HASIL KOREKSI GEOMETRIK CITRA SATELIT ALOS PRISM DENGAN HITUNG PERATAAN KUADRAT TERKECIL METODE PARAMETER Sudarsono, Bambang; Julzarika, Atriyon
TEKNIK Volume 31, Nomor 1, Tahun 2010
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (340.342 KB) | DOI: 10.14710/teknik.v31i1.1746

Abstract

Remote sensing is a branch science of Geodesy Engineering that using satellite applications for survey andmapping. One of the natural resources satellite that be used for mapping is Alos Satellite.It is own of Japan, italso could be used in 3D Application, especially Prism and Palsar. There are some methods for making 3Dapplication that are stereo mode, interferometry, and DSM2DEM. Geometric correction of this satellite is veryimportant so it needs a study for its statistical test. Alos satellite have 3D shape as Digital Terrain Model(DSM), not Digital Terrain Model (DTM), Digitallen HöheModellen (DHM), Digital Geoid Model (DGM) orDigital Elevation Model (DEM). Alos satellite that be used are Alos Prism where it has spatial resolution in 2.5meter. The reference system of 3D model that are produced by Alos satellite image still as surface for z axis, forx axis and y axis has been closed to 2D reference system in some certain datum and system of map projection.So, this research will give result of its accuracy and precision and it could uses for the reference system.For its statistical test, it needs a method for checking its accuracy. It is least square adjustment in parametermethods. In case, it needs a research for observate the accuracy and precision of Alos satellite data using aleast square adjustment of parameter methods. Data from Alos satellite will be compared with data from Globalpositioning System (GPS) of geodetic. The results of this research will be used as reference for next research toinvent a way for changing DSM from satellite, radar, air video and interferometry-automatically.
DETEKSI TINGGI VEGETASI DI DELTA MAHAKAM DENGAN PENGINDERAAN JAUH Anggraini, Nanin; Julzarika, Atriyon
OLDI (Oseanologi dan Limnologi di Indonesia) Vol 4, No 3 (2019)
Publisher : Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/oldi.2019.v4i3.212

Abstract

Tinggi pohon (vegetasi) adalah jarak tegak antara puncak pohon terhadap permukaan tanah. Tinggi vegetasi menjadi salah satu parameter bagi pertumbuhan vegetasi. Ada berbagai metode untuk mengukur tinggi vegetasi, salah satunya dengan menggunakan teknologi penginderaan jauh. Penelitian ini bertujuan untuk pemetaan tinggi vegetasi di Delta Mahakam dengan model tinggi dari penginderaan jauh. Model tinggi yang digunakan adalah Model Permukaan Digital (MPD) dan Model Terrain Digital (MTD). MPD dibuat dari gabungan hasil interferometri citra satelit ALOS PALSAR dengan citra X SAR, Shuttle Radar Topography Mission (SRTM), dan tinggi geodetik dari satelit Icesat/GLAS. Penggabungan ini menggunakan metode integrasi Model Elevasi Digital (MED). Bidang geoid yang digunakan adalah EGM 2008. Langkah selanjutnya adalah koreksi terhadap kesalahan tinggi pada MPD. Koreksi terrain dilakukan untuk mengubah MPD menjadi MTD. Tinggi vegetasi diperoleh dari pengurangan MPD menjadi MTD. Uji akurasi vertikal mengacu ke toleransi 1,96?  (95 %) sebesar minimal 80 cm. Pada MPD, diperoleh nilai akurasi vertikal sebesar 60,4 cm sehingga MPD ini bisa digunakan pada pemetaan 1:10.000. Sedangkan pada MTD diperoleh nilai uji akurasi vertikal  sebesar 37 cm sehingga dapat juga digunakan untuk pemetaan skala 1:10.000. Berdasarkan hasil perhitungan MPD dan MTD, tinggi vegetasi di Delta Mahakam bervariasi antara 0 - 64 m.
DETECTING SURFACE WATER AREAS AS ALTERNATIVE WATER RESOURCE LOCATIONS DURING THE DRY SEASON USING SENTINEL-2 IMAGERY (CASE STUDY: LOWLAND REGION OF BEKASI-KARAWANG, WEST JAVA PROVINCE) Nugroho, Jalu Tejo; Suwarsono, Suwarsono; Chulafak, Galdita Aruba; Julzarika, Atriyon; Manalu, Johannes; Harini, Sri; Suhadha, Argo; Sulma, Sayidah
International Journal of Remote Sensing and Earth Sciences (IJReSES) Vol 18, No 2 (2021)
Publisher : National Institute of Aeronautics and Space of Indonesia (LAPAN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30536/j.ijreses.2021.v18.a3626

Abstract

In Indonesia, drought is a type of disaster that often occurs, especially during the dry season. What is most needed at such times is the availability of sufficient water sources to meet shortages. Therefore, water source locations are vital during the dry season in order to meet needs. To meet this information need, remote sensing data offer a precise solution.  This research proposes a rapid method of detecting surface water areas based on remote sensing image data. It focuses on the use of remote sensing satellite imagery to detect objects and the location of surface water sources. The purpose of the study is to rapidly identify objects and locate surface water sources using Sentinel-2 MSI (MultiSpectral Instrument), one of the latest types of remote sensing satellite data. Several water index (WI) methods were applied before deciding which was most suitable for detecting surface water objects. The lowland region of Bekasi-Karawang, a drought prone area, was designated as the research location. The results of the research show that by using Sentinel-2 MSI imagery, MNDWI (Modified Normalized Water Index) is the appropriate parameter to detect surface water areas in the lowland region of Bekasi-Karawang, West Java Province, Indonesia, during times of drought. The method can be employed as an alternative approach based on remote sensing data for the rapid detection of surface water areas as alternative sources of water during the dry season. The existence of natural water sources (swamps, marshes, ponds) that remain during this time can be used as alternative water resources. Further research is still needed which focuses on different geographical conditions and other regions in Indonesia.
BATHYMETRIC EXTRACTION USING PLANETSCOPE IMAGERY (CASE STUDY: KEMUJAN ISLAND, CENTRAL JAVA) Sesama, Asih Sekar; Setiawan, Kuncoro Teguh; Julzarika, Atriyon
International Journal of Remote Sensing and Earth Sciences (IJReSES) Vol 17, No 2 (2020)
Publisher : National Institute of Aeronautics and Space of Indonesia (LAPAN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30536/j.ijreses.2020.v17.a3445

Abstract

Bathymetry refers to the depth of the seabed relative to the lowest water level. Depth information is essential for various studies of marine resource activities, for managing port facilities and facilities, supporting dredging operations, and predicting the flow of sediment from rivers into the sea. Bathymetric mapping using remote sensing offers a more flexible, efficient,and cost-effective method and covers a largearea. This study aims to determine the ability of Planet Scope imagery to estimate and map bathymetry and to as certain its accuracy using the Stumpf algorithm on the in-situ depth data. PlanetScope level 3B satellite imagery and tide-corrected survey dataare employed; satellite images are useful in high-precision bathymetry extraction.The bathymetric extraction method used the Stumpf algorithm. The research location was Kemujan Island, Karimunjawa Islands, Central Java. The selection of this region wasbased on its water characteristics, which have a reasonably high variation in depth. Based on the results of the data processing, it was found that the PlanetScope image data were able to estimate depths of up to 20 m. In the bathymetric results, the R2 accuracy value was 0.6952, the average RMSE value was 2.85 m,and the overall accuracy rate was 71.68%.
SAR Bathymetry Review and Its Possibility Implementation in Indonesia Koman, Wening Aisyah Fauziana; Basith, Abdul; Julzarika, Atriyon
Jurnal Geospasial Indonesia Vol 6, No 2 (2023): Desember
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jgise.88613

Abstract

Indonesia needs bathymetry information for diverse applications as a maritime country. There are various methods of determining the water depth for bathymetry. The advancement of satellite imagery data has led to the increasing use of remote sensing data for depth measurements. With satellite imaging, wide area coverage can be achieved in a relatively short time, making depth data acquisition more cost-effective. SAR (Synthetic Aperture Radar) imagery is an active remote sensing technology developed to estimate depth data known as the SAR Bathymetry method. This method is still not widely applied, especially in Indonesia, even though it has considerable potential with cloud-free imageries, where it becomes a severe problem in tropical countries when using optical imagery. Therefore, this paper will discuss algorithms and techniques for depth data estimation using SAR Bathymetry and their possible implementation in Indonesia. The optimum depth, SAR image recommendation, and conditions required to apply this method will also be discussed.
Study of aquatic plants and ecological- physics Tempe Lake, Sulawesi Selatan Nugraha, Media Fitri Isma; Julzarika, Atriyon; Radjamuddin, Alias; Reflinur, Reflinur; Yunita, Rossa; Enggarini, Wening; Novita, Hessy
Torani Journal of Fisheries and Marine Science VOLUME 2 NOMOR 2, JUNI 2019
Publisher : Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (15.153 KB) | DOI: 10.35911/torani.v2i2.7060

Abstract

Aquatic plants are an indicator of the fertility of an aquatic region. The waters of Lake Tempe are the largest waters of the lake area in South Sulawesi. Lake Tempe is located in the western part of Wajo District, precisely in Tempe District, about 7 km from Sengkang City towards the banks of the Walanae River in southern Sulawesi. The area is about 13,000 ha with a maximum depth of 5.5 m and can reach more than 30,000 ha during floods, and during the dry season, the inundation area reaches only 1,000 ha with a maximum depth of 1 m, located above the continental and Australian and Asian plates. This lake is one of the tectonic lakes in Indonesia. Every year silting the lake occurs. The Tempe hydro vegetation and eco-physical research were carried out in October 2017. The purpose of this study was to record aquatic plant species that live in Tempe Lake and observe ecological changes and physical properties of Lake Tempe. Aquatic plants are expected to be able to filter lake water. The results obtained are physical conditions of sharp-smelling water, unpleasant taste, dark brown, and cloudy color. Chemical indicators of NH3-N waters (0.2976-0.0634), PO4-P (0.0172-0.0844) NO2-N (undetectable), NO3-N (1.7131-1.9335), Sulphate (27.761900 - 37.047620), DO (6.88-7.18) and pH (7.88-8.02). There are 14 species of aquatic plants found in these waters. The most dominant species is water hyacinth. In the case of Tempe lake water vegetation results in siltation of the lake area.Keywords: Aquatic plant, Biodiversity, Species, Tempe lake,
Co-Authors Abdul Basith Bambang Sudarsono Berna Elya Chulafak, Galdita Aruba Jalu Tejo Nugroho, Jalu Tejo Johannes Manalu, Johannes Koman, Wening Aisyah Fauziana Kuncoro Teguh Setiawan, Kuncoro Teguh Maharani, Fasya Hadaina Nanin Anggraini, Nanin Novita, Hessy Nugraha, Media Fitri Isma Radjamuddin, Alias Rajamuddin, Muh Alias L REFLINUR REFLINUR ROSSA YUNITA Sayidah Sulma, Sayidah Sesama, Asih Sekar Sri Harini Suhadha, Argo Suwarsono Suwarsono Wening Enggarini Wiji Wiji