Journal of Applied Geospatial Information <p>Journal of Applied Geospatial Information (JAGI) is a national&nbsp;and international peer review journal published by Politeknik Negeri Batam.&nbsp;The JAGI&nbsp;is issued 2&nbsp;times a year in electronic form, publishes Original Research Articles (full papers and short communications) and Review (full and mini-reviews) in all aspects of result research in the field of science/engineering: terrestrial and marine (geomatics, geophysics, geography, geology, geographic information systems, remote sensing, cartography, oceanography, hydrography, marine science and technology).&nbsp;We encourage all interested contributors to submit their work for consideration.&nbsp;<a href=";1488529534&amp;1&amp;&amp;">e-ISSN (Online):&nbsp;2579-3608 </a>; <a href=";container-title=Journal+of+Applied+Geospatial+Information">DOI:&nbsp;10.30871/jagi</a></p> Politeknik Negeri Batam en-US Journal of Applied Geospatial Information 2579-3608 Analysis Transfer of the Function Cover of Agricultural Land Become a Housing Area and Industry in the Semarang City with Approach of Remote Sensing and Geographic Information System <p>The purpose of this study was to find out how much area of agricultural land was converted because of the high property business activities in Semarang City, the data used for this study were taken from 1999 to 2018. The classification method used in this study was the remote sensing method using the unsupervised classification technique. Output of this study is the extensive data of agricultural land cover change obtained from 1999 to 2018. The results of this study can prove that the Geographic Information System can be used to find out how much agricultural land cover change in Semarang City from 1999 to 2018. The area of agricultural land that has been converted is from 1999 to 2009 around 3072 ha and from 2009 to 2018 around 1071.4 ha.</p> Harnawan Nurul Asna Frederik Samuel Papilaya ##submission.copyrightStatement## 2019-05-03 2019-05-03 3 2 204 210 10.30871/jagi.v3i2.1264 Water Catchment Zone Mapping for Watershed Management in Gesing Sub-Watershed, Purworejo <p>Water is a very important resource involved in almost all life processes on earth, especially for human life. The rapid growth of water consumption with a decrease in the quantity and quality of water sources certainly creates problems of water scarcity or even flooding, which already occurs in some areas of Indonesia. In the last decades, some areas in Purworejo District, Indonesia have experienced floods, landslides, and droughts. This condition indicates that there has been a water quantity problem in the watershed in Purworejo. This study tends to focus on water resource management in terms of management planning. The purpose of this research is to create a water catchment zone map with the integration of remote sensing methods and geographic information systems. Identification of potential water catchment considers several parameters, such as soil permeability, rainfall, soil surface type, slope, and groundwater level. The results map consists of five classes of water catchment zone in the Gesing Sub-watershed. The higher classes were found in the upper watershed and the center of the watershed, especially in the valley section of the river. The lower classes, such as in the center of the watershed were considered as suitable areas to protect the water quality. With the mapping of water catchment zone, it is expected that the government can make appropriate policies related to water resources management of each sub-watershed so that in the end the water supply problem-especially in terms of quantity-can be managed and controlled effectively.</p> Arief Wicaksono Shandra S Pertiwi Ade Febri Sandhini P Prima Widayani ##submission.copyrightStatement## 2019-05-09 2019-05-09 3 2 211 216 10.30871/jagi.v3i2.1163 Analysis of Forest Function Transfer to Oil Palm Plantation in Parenggean District with the Remote Sensing Approach and Geographic Information System <p>The island of Kalimantan is one of the islands that has a vast forest. Kalimantan Island is also the most important island for Indonesia, even the world. Parenggean is one of the sub-districts located in Kotawaringin Timur Regency, Central Kalimantan Province. Parenggean sub-district with an area of 493.15 km² is one of the sub-districts in East Kotawaringin Regency which has a very large oil palm plantation. This study will present data on the amount of forest land cover that has been converted. To get extensive forest conversion, this research uses the Remote Sensing and Geographic Information Systems approach. The result of research this proves there have been over the function forests became oil palm plantation in Parenggean District. The area of ​​forest that was converted into oil palm plantation in the research area is 5,143.15 hectares in 1990-2000 and 17,560.45 hectares in 2000-2010.</p> <p>&nbsp;</p> Marboles Kundrat Frederik Samuel Papilaya ##submission.copyrightStatement## 2019-05-11 2019-05-11 3 2 217 223 10.30871/jagi.v3i2.1265 The Evolution of Geospatial Aspects in the Law on the Establishment of New Regions (Autonomy) Pre and Post Broad Autonomy in Indonesia <p>Expansion or establishment of new regions (Provinces, Regencies/Cities) is a consequence of the politics of decentralization implemented in Indonesia. The development of decentralization in Indonesia underwent fundamental changes after the reformation in 1998. Inception of UU No 22 tahun 1999 concerning regional government has given a new color to the administration of government in Indonesia or what is called broad autonomy. Restructuring regional governments that provide discretion in the form of broader authority in running their government in accordance with regional needs has created many implications for the region, one of which is stretching and the spirit of the region to bloom. In determining the boundaries of forming new regions, the geospatial aspect is an important and strategic aspect. Problems related to geospatial aspects such as maps of regional boundaries, area size, etc are issues that need to be clearly defined and calculated in the new (autonomous) regional (Province, Regency/City) determination. But in fact the law on the formation or establishment of regions in the period 1950-1999 on the geospatial aspect did not become an important part so that it caused problems later which could potentially trigger social conflicts such as regional boundary disputes. Post-reformation, the development of the role of the geospatial aspects has evolved a little more advanced, such as the existence of regional boundary maps in the appendix to the law on the formation or expansion of new regions, such as UU No 7 tahun 2002, UU No 2 tahun 2003, and others. However, there is still something that must be evaluated regarding the map in the attachment to be in accordance with the geospatial rules. A very progressive development in terms of the geospatial aspect is in UU No 20 tahun 2012 concerning the formation of the Kalimantan Utara province that utilizes geospatial data properly</p> Farouki Dinda Rassarandi Helik Susilo Kariyono Kariyono Khairul Fajri Febrian Fitryanik Susanta ##submission.copyrightStatement## 2019-07-01 2019-07-01 3 2 223 227 10.30871/jagi.v3i2.1309 Spatial Analysis of the Land Suitability for Cocoa Plantations in East Dusun District <table width="648"> <tbody> <tr> <td width="436"> <p>The expansion of plantations of cocoa is the main component in the plantation revitalization program which is applied by the Government of Indonesia in order to optimize the potential of cocoa. This policy has not been implemented well in East Dusun District, East Barito Regency, Central Kalimantan province that just open cocoa plantations covering an area of 3 ha in the year 2016. The spatial analysis of land suitability by utilizing Geographic Information System capability that allows the expansion of plantations of cacao in this district. Spatial analysis to get the suitability of land for cocoa plantations uses overlay based on climate conditions and regulations of the Governor of Central Kalimantan. The proportion of land suitability class that is highly suitable, suitable, marginally suitable, and not suitable with each area size of 56,434.63 ha, 2,302.81 ha, not found, and 19,510.42 ha.</p> <p>&nbsp;</p> <p><strong>Keywords:</strong> Cocoa, Overlay, Land Suitability</p> <p>&nbsp;</p> </td> </tr> </tbody> </table> Natan Nael Frederik Samuel Papilaya ##submission.copyrightStatement## 2019-07-23 2019-07-23 3 2 228 234 10.30871/jagi.v3i2.1345 Rare Mineral Evidence of Mahsuri Ring Meteorite Impact in Langkawi Island <p>The research area was conducted in Ulu Melaka Village, district of Langkawi, Kedah Province, Malaysia. Coordinate of research area around latitude&nbsp; 99°45'97" to 99°45'04" N and longitude 06°25'05" to 06°20'00"E, with coverage area around 7 x 5 km. This research area is a suspected meteorite impact crater. The analysis begins by taking 7 rock sediment samples spread around the research area. The aim of research to find evidence of meteorite impact has fallen around research area use geochemistry method refer to the content of Rare Minerals of rock samples in the study area. Rock samples were processed using an X-ray diffraction (XRD) machine and run by EVA Software. Rock samples which have been analyzed were S1, S2, S3, S4, S5, S10, S19.&nbsp; Result of the analysis found four types of minerals formed by a meteorite impact consist of &nbsp;Jagoite, Dickite, Rubidium and Germanium Silicate Zinc Sulfide Diaminopropane. Jagoite and Dickite found in sample S2, Rubidium Germanium Silicate in sample S4 and Zinc Sulfide Diaminopropane in samples S10 and S19, respectively .</p> Catur Cahyaningsih Husnul Kausarian Yogi Aditia ##submission.copyrightStatement## 2019-07-29 2019-07-29 3 2 235 239 10.30871/jagi.v3i2.1326 The Value of Acoustic Backscattering in Determining the Integration Thickness of the Seabed in Yos Sudarso Bay Papua <p>A considerable amount of research has already been conducted into the nature of water on the ocean floor/seabed, ranging from mapping of the seabed, volume backscattering strength (SV) of acoustics on the seabed, classification of the seabed, besides the relationship between the ocean floor and the biota above it with which it interacts. The Yos Sudarso Bay, Jayapura Papua, is a bay with a seabed which faces the floor of the Pacific Ocean and also forms the estuary of the river Anafre which contributes particles that settle on the seabed.&nbsp; This research aimed to collect data in order to understand differences in the integration of water thickness at 0.2 m and 0.5 m besides differences in the types of the substrate based on the results of SV. Data was collected using a single beam echosounder.&nbsp; The acoustic data were collected at 11 stations. The result is interval of value of SV ranged from -37.81dB to -15.62 dB (at the integration of 0.2 m) up to -15.07dB (at the integration of 0.5 m). The value of SV from the gravel was higher compared to the values found in the coarse sand, fine sand, mud mixed with sand or the pure mud. The lowest value of SV was found in the mud substrate. Results showed that thickness integration yielded different results when tested at 0.2 m and 0.5 m on the seabed. Furthermore, it was found that different types of substrate.</p> Sri Pujiyati Nyoman MN Natih Baigo Hamuna Lisiard Dimara ##submission.copyrightStatement## 2019-10-03 2019-10-03 3 2 240 243 10.30871/jagi.v3i2.1605