Syachrul Arief- Ph.D
- Lecturer at Badan Informasi Geospasial
Syachrul Arief
- Ph.D
- Lecturer at Badan Informasi Geospasial
"Lecturer at the Geospatial Information Authority of Indonesia."
About
40
Publications
6,359
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115
Citations
Introduction
Skills and Expertise
Current institution
Additional affiliations
October 2020 - present
Geospatial Information Authority of Indonesia
Position
- Researcher / lecturer
Description
- Research, Education and Training
October 1998 - April 2023
Education
October 2016 - September 2020
Publications
Publications (40)
Remote sensing is a technology that can help humans in solving various problems faced. The use of remote sensing especially related to defense in a mathematical perspective is still little used. The purpose of this research is to provide information about remote sensing that is associated with mathematics and has uses in the field of defense. The m...
Global Navigation Satellite System (GNSS) signal exploration is advancing rapidly, and one of the latest techniques is GNSS interferometric reflectometry (GNSS-IR). This method uses multipath signals to measure the vertical distance from the reflecting surface to a geodetic antenna or receiver. Traditional scientific-grade GNSS instruments are cost...
As a maritime country, Indonesia has great potential to develop its sea area. The sea is one of the sources of Indonesia’s economy. To improve the national economy, the Indonesian government initiated the sea toll program as part of the blue economy. The term “blue economy” describes the sustainable use of the sea to develop the economic sector by...
Ensuring airport security is of paramount importance to safeguard the lives of passengers and prevent acts of terrorism. In this context, developing advanced technology for early terrorist detection is crucial. This paper presents a novel approach to enhancing security measures at airport checkpoints by applying Convolutional Neural Network (CNN) a...
This study analyzes the determination of holding areas for flights at Halim Perdanakusuma Airport, which serve as temporary zones for aircraft during delays in departure or arrival. With increasing flight activities, optimizing holding areas is essential to ensure smooth airport operations. The study integrates weather radar and rainfall data with...
Indonesia is an archipelago located in the Pacific Ring of Fire, known for its high volcanic activity. Indonesia is home to 129 active and 500 inactive volcanoes, representing 13% of the world's total. This research is expected to provide an overview of the facies of the Muria volcano and the geological aspects of the study area. To analyze and res...
The cyclonic phenomenon, particularly typhoons within the 100° E to 180° E
longitude region, bring significant devastation through intense rainfall and strong winds,
causing secondary effects like landslides and floods upon landfall. This results in
infrastructural damage and loss of life, ranking storm-related disasters, including typhoons,
se...
Background: In the modern technological era, drones have become one of the leading innovations in aviation. This study aims to present a comprehensive literature review on the development and application of drone technology in various contexts, including remote sensing, photogrammetry, military, and intelligence. Methods: A literature review was us...
GNSS Interferometric Reflectometry (GNSS-IR) is one of the newest explorations of Global Navigation Satellite System (GNSS) signals which utilizes multipath signals to calculate the vertical distance from the reflecting surface to the geodetic antenna/receiver. However, scientific-grade or geodetic GNSS instruments are expensive, which is a limitin...
The Malacca Strait region is of strategic importance in terms of global maritime security between
Asia and the Middle East, and between Europe and North America, make it a frequent area of
cross-border criminal activity, illegal trade, and, most importantly, ship piracy. However, piracy
in the Straits of Malacca has increased significantly. Therefo...
Simulation of military operation to national capital city (ikn) nusantara if sipadan island is a military base is aimed to find out the types of military operations that might occur in the future. The military operation used in this simulation are airbone operations, submarine operations, and landing operations. the results of the simulation of the...
Indonesia adalah negara dengan multi-bencana khususnya bencana hidrometeorologis seperti banjir dan tanah longsor. Perencanaan tata ruang wilayah di Indonesia harus menyesuaikan dengan potensi kebencanaan di wilayah tersebut untuk menekan angka kerugian dan korban jiwa. Pemerintah Kabupaten Bogor telah menetapkan rencana tata ruang wilayah Kabupate...
Indonesia is very disadvantaged by the many illegal activities on the sea route. One of the most vulnerable areas in Indonesia is the Riau Islands. This study aims to analyze marine crimes in the Riau Islands Province. For this reason, we ask a research question: How to predict the number of cases of marine crimes in the future along with the magni...
The airport is one of the vital objects that must be owned by a national capital to support transportation, economic and defense security activities. For the presence of this airport to work properly and provide full support to the National Capital, planning is needed in determining the strategic location of the airport. By using a Geographic Infor...
Ionospheric disturbances caused by the 2016 West Sumatra earthquake have been studied using total electron content (TEC) measurements by Global Navigation Satellite System (GNSS) observation stations evenly distributed in Sumatra and Java, Indonesia. Previous observation focused on the coseismic ionospheric disturbances (CID) detected 11–16 min aft...
In this study, it is confirmed that single-station GPS meteorology is feasible where there is no possibility for the development of a sophisticated and reliable GPS network. Since 2009 GPS stations have been installed in Makassar and Bitung by the Indonesian Geospatial Information Agency, where meteorological sensors have also been installed at the...
Weather fronts stationary above Southwest Japan often bring disastrous heavy rains in early summer. Here we study four such episodes in each of four summers between 2017 and 2020, and investigate transient lithospheric subsidence caused by rainwater loads using the daily coordinates of a dense network of continuous GNSS stations. After applying a n...
The Djuanda Declaration was announced on December 13, 1957, by the Prime Minister of Indonesia. At that time, Djuanda Kartawidjaja declared to the world that the Indonesian seas, including the seas around, between, and within the Indonesian archipelago, constitute the territorial unit of Indonesian sovereignty. After 25 years of struggle, the decla...
Threats to national defense can occur in the form of military and non-military threats. The biggest threat and challenge for the Indonesian state, which has not yet been resolved, is terrorism. The Indonesian government has carried out the handling of terrorism, but it is still difficult to catch the perpetrators of terrorism. This research aims to...
Weather fronts stationary above Southwest Japan often bring disastrous heavy rains in early summer. Here we study four such episodes in each of four summers between 2017 and 2020, and investigate transient lithospheric subsidence caused by rainwater loads using the daily coordinates of a dense network of continuous GNSS stations. After applying a n...
The super typhoon Hagibis traveled northeastward through eastern Honshu, Japan, causing disastrous heavy rainfalls along its path on October 11 and 12, 2019. We performed a comprehensive space geodetic study of water brought by this typhoon using a dense network of Global Navigation Satellite System (GNSS) receivers in Japan. First, we studied the...
This study aims to utilize GNSS for meteorology in Indonesia. With the "goGPS" software, the zenith troposphere delay (ZTD) value is estimated. Calculations in rainy conditions, the ZTD value is converted into a water vapor value (PWV). The research area for the phenomenon of heavy rain occurred at the end of 2019 in Jakarta and its surroundings, w...
The tropospheric delay is an essential source of error for positioning using the Global Navigation Satellite System (GNSS). Scientific applications of GNSS positioning such as the study of earth crust deformation and earthquake prediction require high accuracy in positioning, an analysis of tropospheric delay calculations is needed to improve the a...
Strong typhoons hit the Japanese Islands repeatedly in 2019 autumn. Here we study one of these typhoons that made landfall in central Japan on Oct.12 during the Rugby World Cup tournament, using three different space geodetic approaches to study multiple spheres, i.e. tropospheric water vapor, ionospheric electron content, and lithospheric deformat...
We studied disastrous heavy rainfall episodes in 2017–2019 summer in SW Japan, especially in the Kyushu region using tropospheric delay data from the Japanese dense global navigation satellite system (GNSS) network GEONET (GNSS Earth Observation Network). This region often suffers from extremely heavy rains associated with stationary fronts during...
In this study, we analyzed the behavior of water vapor during heavy rainfall, using tropospheric parameters obtained from a database at the University of Nevada, Reno (UNR). Data sets, including delays in gradient vectors in the troposphere (G), as well as delays in the zenith troposphere (ZTD), are estimated every 5 minutes. Initially, we interpol...
Strong typhoons hit the Japanese Islands repeatedly in 2019. Here we study one of these typhoons (2019 #19 Hagibis 915 hPa, 86 casualties) that landed central Japan on Oct.12 (local time) during the Rugby World Cup tournament, using two different space geodetic approaches, i.e. water vapor and crustal deformation. The first approach is the recovery...
Heavy rain from late June to early July 2018 brought disastrous flood in Southwest (SW) Japan, especially in Kyushu. By using a dense array of Global Navigation Satellite System (GNSS) receivers in Japan GEONET, I study this episode with two different space geodetic approaches, i.e., measurements of atmospheric water vapor and crustal deformation d...
In this paper, we study the precipitable water vapor (PWV) within the 2015-2016 time frame. During this period occurred an El Niño-Southern Oscillation (ENSO) episode, and caused drought in Indonesia. Global Positioning System (GPS) is a useful sensor for atmospheric sounding, including PWV. Expected can detect ENSO phenomenon through PWV value. We...
The establishment of a GPS Permanent Station network in Indonesia began in 1996 and is now known as Indonesia continuously operating reference station (INA-CORS), its management authority under the Geospatial Information Agency (BIG). Based on information from BIG, data of 2016, the distribution of CORS in Indonesia has as many as 135 stations. INA...
Studi ini bertujuan mengetahui potensi dan penyebaran terumbu karang serta menganalisis manfaat ekonomi dari wisata terumbu karang. Pemetaan dilakukan dengan analisis citra Aster tahun 2007 dan survei lapangan tahun 2011. Analisis ekonomi dilakukan dengan pendekatan biaya perjalanan (travel cost method), yaitu mengkaji biaya yang dikeluarkan oleh s...
Valuasi ekonomi adalah upaya untuk memberi nilai kuantitatif terhadap barang dan jasa yang dihasilkan oleh sumberdaya alam dan lingkungan, baik atas dasar nilai pasar maupun nilai non pasar. Penelitian valuasi ekonomi sudah banyak dilakukan, namun belum banyak yang menyajikan nilai valuasi ekonomi dalam bentuk peta. Dengan menggunakan metode benefi...
Pulau terpencil di wilayah Maluku Barat Daya telah mendapat perhatian pemerintah dalam kaitannyadengan pengumpulan informasi sumber daya pesisir. Penelitian ini dilakukan pada Pulau Leti, Moa,Lakor, Metimialam, dan Metimiarang. Tujuan penelitian ini adalah untuk mendapatkan data daninformasi struktur komunitas ikan karang. Metode yang digunakan dal...
Penelitian ini dilakukan pada bulan April 2009 di perairan Teluk Saleh dan sekitarnya, Sumbawa,Nusa Tenggara Barat. Tujuan penelitian ini adalah untuk mengindentifikasi kesehatan karang dankeragaman jenis karang serta untuk mengidentifikasi struktur komunitas ikan karang. Metode yangdigunakan dalam kegiatan ini adalahline intercept transectdan sens...
