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Aplikasi Data SAR-Mode Level 2 Satelit Cryosat-2 untuk Pengamatan Inland Water di Danau Towuti SAR模式二级卫星Cryosat-2数据在托乌提湖内水观测中的应用
Pub Date : 2022-04-10 DOI: 10.12962/j24423998.v17i2.7285
Ahmad Saifudin, E. Handoko
Altimetry data usually used for marine research. However, as technology develops, the spatial resolution of satellite altimetry increases so that it can be used to conduct inland water research. One of the satellite altimetry is CryoSat-2. The data used is Level 2 SAR Intermediate to determine water levels in Lake Towuti with measurement time coverage from 2011 to 2018. The method used is to compare altimetry data with in-situ data. The obtained results indicate that the CryoSat-2 altimetry satellite data can be used to determine the water level in Lake Towuti by eliminating outliner data. Kata kunci : Inland Water level, CryoSat-2, Danau Towuti Cara untuk sitasi: Saifudin, A., Handoko, E.Y. (2022). Aplikasi Data SAR-Mode Level 2 Satelit Cryosat-2 untuk Pengamatan Inland Water di Danau Towuti. Geoid, 17(2), 201-207.
通常用于海洋研究的测高数据。然而,随着技术的发展,卫星测高的空间分辨率提高,因此可以用于进行内陆水域的研究。其中一颗测高卫星是CryoSat-2。使用二级SAR中级数据来确定图乌提湖的水位,测量时间覆盖2011年至2018年。所采用的方法是将测高数据与现场数据进行比较。结果表明,CryoSat-2测高卫星数据可以通过剔除轮廓线数据来确定图乌提湖的水位。Kata kunci:内陆水位,CryoSat-2, Danau Towuti Cara untuk sitasi: Saifudin, A., Handoko, E.Y.(2022)。应用数据sar模式2级卫星Cryosat-2在丹瑙图乌提内陆水域。大地水准面,17(2),201-207。
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引用次数: 0
Analisis Tinjauan Administrasi Pertanahan Bidang Tanah Terdampak Pembangunan Jalan (Studi Kasus : Jalan Frontage Road Gedangan - Buduran, Sidoarjo) (案例研究:临街诽谤法,Sidoarjo)
Pub Date : 2022-01-10 DOI: 10.12962/j24423998.v17i1.10505
Rifqi Achmad Pratama, Yanto Budisusanto
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引用次数: 0
Analisis Dan Validasi Hasil Simulasi Luapan Air Kali Kedungbener Di Kecamatan Kebumen Menggunakan Sistem Informasi Geografis 利用地理信息系统对凹陷水凹陷模拟结果的分析与验证
Pub Date : 2022-01-10 DOI: 10.12962/j24423998.v17i1.10191
Akhmad Barizil Hak, A. Cahyono, N. -
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引用次数: 0
Ekstraksi Data Bangunan Dari Data Citra Unmanned Aerial Vehicle Menggunakan Metode Convolutional Neural Networks (CNN) (Studi Kasus: Desa Campurejo, Kabupaten Gresik)
Pub Date : 2022-01-10 DOI: 10.12962/j24423998.v17i1.10289
Citra Ayu Sekar Kinasih, H. Hidayat
: Along with increasing development due to population growth, a proper monitoring of land use is needed, one of which is through mapping the distribution of buildings. Mapping the distribution of buildings can be done by analyzing remote sensing images taken using various vehicles, one of which is the Unmanned Aerial Vehicle (UAV) which can provide very high-resolution images. However, up to now the classification process is often done by manual digitization which is considered less effective and efficient so that an automatic extraction method is needed. In this study, the Convolutional Neural Networks (CNN) method was used to overcome the challenges of building extraction using high resolution aerial photo image data in Campurejo Village, Gresik Regency using the R-CNN where this is expected to be able to help the classification process automatically by using the Mask R-CNN algorithm. input data (training data). the results of the classification are validated and tested for accuracy to produce a large-scale building distribution map, namely 1: 5000. The accuracy of the building classification results using the Mask R-CNN method was tested using a confusion matrix which resulted in a precision value of 94.78%, recall 82.63%, F1 Score 88.29% and accuracy 79.03% for region 1 and for region 2 resulted precision value 98.10%, recall 78.37%, F1 Score 87.13% and accuracy 77.20%. While the number of buildings that can be in area 1 is 2102 buildings and area 2 is 247 buildings. shows great potential to utilize the Convolutional Neural Networks (CNN) method in extracting buildings.
随着人口增长的发展,需要对土地的使用进行适当的监测,其中之一就是绘制建筑物的分布图。测绘建筑物的分布可以通过分析使用各种交通工具拍摄的遥感图像来完成,其中一种是无人机(UAV),它可以提供非常高分辨率的图像。然而,目前的分类过程往往是通过人工数字化来完成的,这被认为是不太有效和高效的,因此需要一种自动提取方法。在本研究中,使用卷积神经网络(CNN)方法克服了在Gresik Regency的Campurejo村使用R-CNN的高分辨率航空照片图像数据进行建筑物提取的挑战,预计这将能够通过使用Mask R-CNN算法自动帮助分类过程。输入数据(训练数据)。对分类结果进行了验证和准确性测试,以生成1:5000的大型建筑物分布图。采用混淆矩阵对Mask R-CNN方法的建筑物分类结果进行了准确性检验,结果表明,区域1的准确率为94.78%,召回率为82.63%,F1 Score为88.29%,准确率为79.03%;区域2的准确率为98.10%,召回率为78.37%,F1 Score为87.13%,准确率为77.20%。而区域1的建筑数量是2102个,区域2是247个。利用卷积神经网络(CNN)方法提取建筑物显示出巨大的潜力。
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引用次数: 0
Pemodelan Deformasi Gunung Sinabung Untuk Memprediksi Posisi Pusat Tekanan Magma Dengan Model Yokoyama Menggunakan Data Citra SAR Metode PS-InSAR 利用SAR图像数据PS-InSAR方法将山体变形模型与横山模型相结合预测岩浆压力中心位置
Pub Date : 2022-01-10 DOI: 10.12962/j24423998.v17i1.10451
Enjelius Silaban, Ira Mutiara Anjasmara
Deformation Modeling Predicate The Position Of The Magma Pressure Center Model Abstract: Indonesia is a tectovolcanic country with 129 active volcanoes. The existence of a volcano certainly has a positive impact, such as the area around the mountain becomes fertile and has a negative impact due to frequent disasters. One of the active volcanoes in Indonesia is Mount Sinabung. The existence of magma activity in active volcanoes causes changes in shape due to the movement and shift of the soil on the surface of the volcano which is called deformation. Deformation can be determined by terrestrial methods using theodolite, land Sipat and extra-terrestrial methods with GPS observations and processing of SAR image data using InSAR, D-InSAR, MT-InSAR processing methods which include, PS-InSAR and SBAS. This research was conducted to determine the deformation that occurs in the Sinabung volcano using the PS-InSAR method followed by modeling the position of the magma compression source using the Yokoyama model. The Yokoyama model assumes that the Earth's crust is composed of elastic spaces, and the source of the pressure is a small spherical space with hydrostatic pressure that is unidirectional and its expansion is radial. The SAR data used consists of 7 ascending acquisition images and 8 descending acquisition images on the acquisition date of October 1 to December 31, 2020. By processing the image in ascending and descending ways, the LOS velocity rate can be transformed into horizontal and vertical shift values. The results of PS-InSAR processing show that the LOS velocity rate ranges from 394.1 mm/year to 320.7 mm/year in the ascending direction and in descending direction, the LOS velocity rate ranges from -277.5 mm/year to 31.5.8 mm/year. After decomposing the LOS velocity rate, the displacement value of the PS point in the horizontal and vertical directions at the PS1 point is (0.288; -0.037) meters, the PS2 point is (0.004; 0.010) meters and the PS3 point is (0.041, -0.084) meters. So that the position of the center of magma pressure using the horizontal shift value on Mount Sinabung based on the Yokoyama model is located at coordinates
变形模型预测岩浆压力中心的位置模型摘要:印度尼西亚是一个有129座活火山的构造国家。火山的存在肯定会产生积极的影响,比如山周围的地区变得肥沃,而由于频繁的灾害会产生负面影响。印度尼西亚的活火山之一是锡那邦火山。活火山中岩浆活动的存在由于火山表面土壤的运动和移动而导致形状的变化,这被称为变形。变形可以通过使用经纬仪的地面方法、陆地Sipat和使用GPS观测的地外方法来确定,并使用InSAR、D-InSAR、MT-InSAR处理方法(包括PS-InSAR和SBAS)来处理SAR图像数据。本研究旨在使用PS-InSAR方法确定锡那邦火山发生的变形,然后使用横山模型对岩浆压缩源的位置进行建模。横山模型假设地壳由弹性空间组成,压力源是一个小的球形空间,静水压力是单向的,其膨胀是径向的。所使用的SAR数据包括2020年10月1日至12月31日采集日期的7幅上行采集图像和8幅下行采集图像。通过对图像进行升序和降序处理,可以将LOS速率转换为水平和垂直偏移值。PS InSAR处理结果表明,上升方向和下降方向的服务水平速率在394.1mm/年至320.7mm/年之间,服务水平速率范围在-277.5mm/年到31.5.8mm/年。分解服务水平速率后,PS1点PS点在水平和垂直方向上的位移值为(0.288;-0.037)米,PS2点为(0.004;0.010)米,而PS3点为(0.041,-0.084)米。因此,使用基于横山模型的锡那邦山水平偏移值的岩浆压力中心的位置位于坐标处
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引用次数: 0
Analisa Pendangkalan Jalur Pelayaran Menggunakan Pemodelan Hidrodinamika 3D (Studi Kasus : Perairan Pelabuhan PT Petrokimia Gresik) 使用3D流体动力学模型对航路肤浅进行分析(案例研究:PT石化水体)
Pub Date : 2022-01-10 DOI: 10.12962/j24423998.v17i1.10406
Yoga Arif Rohman, Danar Guruh Pratomo, Khomsin Khomsin
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引用次数: 1
Penerapan Metode Analytical Hierarchy Process (AHP) dalam Pemetaan Potensi Banjir Berbasis Sistem Informasi Geografis (Studi Kasus: Kota Malang, Jawa Timur) 分析程序(AHP)在基于地理信息系统的潜在洪水地图(案例研究:东爪哇省马朗市)的应用
Pub Date : 2022-01-10 DOI: 10.12962/j24423998.v17i1.10250
D. Ramadhani, Teguh Hariyanto, Nurwatik Nurwatik
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引用次数: 2
Penentuan Lokasi Titik Evakuasi Sementara Bencana Tsunami Menggunakan Metode Network Analyst (Studi Kasus: Pesisir Selatan Kabupaten Pangandaran) 使用网络分析员方法确定海啸灾害期间疏散点的位置
Pub Date : 2022-01-10 DOI: 10.12962/j24423998.v17i1.10077
Nurwatik Nurwatik, Filsa Bioresita, D. Setiawan
: A tsunami disaster is one of the most dangerous natural disasters and often occurs in Indonesia. Especially in the South Coastal area of Pangandaran Regency which has a history of tsunamis with a tsunami run-up height reaching 15.7 meters in 2006 based on data from BPBD Pangandaran Regency. According to the BMKG, the tsunami that occurred killed 664 people. As a disaster mitigation effort, this research analyzed the level of tsunami hazard and determined the location of Temporary Evacuation Places (TES) in the South Coastal Region of the Pangandaran Regency. The hazard level analysis was carried out based on slope data, roughness coefficient, tsunami run-up height, and coastline. Then from the results of the analysis of the hazard level are used to determine the location of TES using the Network Analyst method. The basis for making the distribution of TES locations is by using Service Area analysis based on pre-existing TES distribution locations from BPBD Pangandaran Regency. From this analysis, the distribution of TES locations and coverage areas will be identified. If the Service Area coverage of the distribution of TES locations from BPBD Pangandaran Regency does not cover the entire tsunami-affected area, then additional TES points will be made. This study resulted in 55 TES location points that can be used as evacuation sites with
:海啸灾害是最危险的自然灾害之一,经常发生在印度尼西亚。特别是在Pangandaran Regency的南海岸地区,该地区有海啸历史,根据BPBD Pangandarn Regency提供的数据,2006年海啸上升高度达到15.7米。据BMKG称,海啸造成664人死亡。作为一项减灾工作,本研究分析了海啸的危害程度,并确定了潘甘达兰县南海岸地区的临时疏散场所(TES)的位置。根据斜坡数据、粗糙度系数、海啸上升高度和海岸线进行了危险程度分析。然后根据危险等级的分析结果,使用网络分析员方法确定TES的位置。TES分布位置的依据是基于BPBD Pangandaran Regency预先存在的TES分布地点使用服务区分析。通过该分析,将确定TES位置和覆盖区域的分布。如果BPBD Pangandaran Regency的TES位置分布的服务区覆盖范围不包括整个海啸影响区,则将增加TES点。这项研究得出了55个TES位置点,这些位置点可以用作疏散场所
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引用次数: 0
Analisis Kebutuhan Air Petak Tersier Berdasarkan Hasil Identifikasi Fase Tanam Menggunakan Citra Sentinel-2 dan Google Earth Engine (Studi Kasus : Daerah Irigasi Sampean Kab. Situbondo) 基于Sentinel-2图像和谷歌地球引擎的地面相位识别结果的地面洪水需求分析(案例研究:Kab.Situbondo样本灌溉区)
Pub Date : 2022-01-10 DOI: 10.12962/j24423998.v17i1.8670
Ardia Tiara Rahmi, Bangun Muljo Sukojo, N. Hayati
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引用次数: 2
Analisis Kesesuaian Peta Bidang Tanah Tersertifikat dengan Wajib Pajak untuk Penentuan Potensi Pendapatan Asli Daerah (PAD) (Studi Kasus : Desa Bungurasih) 分析了与纳税人有关的土地地图是否匹配,以确定该地区的潜在收入(PAD)(案例研究:村长村)
Pub Date : 2022-01-10 DOI: 10.12962/j24423998.v17i1.10302
Udiana Wahyu Deviantari, Yanto Budisusanto, Rizal Nur Muhammad
Conformity Analysis of Certified Land Field Map with Taxpayers for Determining Potential Regional Original Income (Case Study: Bungurasih bahwa Pemerintah Pajak untuk Pendapatan Asli Daerah (PAD). Namun, data persil tanah yang dimiliki oleh Kantor Pertanahan Kabupaten Sidoarjo berbeda dengan data wajib pajak yang dimiliki oleh pemerintah desa. Pada penelitian kali ini dilakukan analisis kesesuaian antara persil tanah yang dimiliki Badan Pertanahan Nasional (BPN) dengan data wajib pajak dimiliki oleh Badan Pelayanan Pajak Daerah (BPPD) Kabupaten Sidoarjo dengan cara melakukan overlay terhadap peta persil tanah dengan peta desa. Kemudian dengan melakukan pembuatan zona nilai tanah terlebih Abstract: According to Law Number 28 of 2009 about Regional Taxes and Levies, it is stated that Regional Governments have the right to withdraw Land and Building Taxes in order to obtain Regional Original Income. However, the data on land parcels owned by Sidoarjo National Land Agency is different from the data on taxpayers owned by the village government. In this study, a suitability analysis was carried out between the land parcels owned by the National Land Agency and the taxpayer data owned by the Regional Tax Service Agency of Sidoarjo Regency by overlaying the land parcel maps with village maps. Then by making the land value zone first, it can be seen the potential PAD that can be generated from land parcels that do not yet have a tax identity. The results of the analysis show that in zones with regular parcels of land and shop houses have a high level of conformity, that is DPU Housing with 56 land parcels and 53 taxpayers, Wisma Bungurasih with 302 land parcels and 320 taxpayers, and Bungurasih with 70 land parcels and 71 taxpayer. Then, the zone with irregular parcels has a low level of conformity, that is Bungurasih Utara with 38 land parcels and 204 taxpayers and Bungurasih Dalam with 13 land parcels and 37 taxpayers. Then, for the potential Regional Original Income that can be generated is Rp. 1,114,461.60 from 6 parcels of land in the DPU Housing and Wisma Bungurasih which do not have tax information.
确定潜在区域原始收入的已认证土地图与纳税人的一致性分析(案例研究:Bungurasih bahwa Pemeritah Pajak untuk Pendapatan Asli Daerah(PAD))。但是,Sidoarjo县土地管理局收集的土地数据与政府收集的数据一致。在此基础上,根据Sidoarjo县公共土地管理局(BPPD)提供的数据,对国家公共土地局(BPN)减少的永久性土地进行了分析,并对永久性土地与土地进行了覆盖。摘要:根据2009年第28号关于地区税收的法律,地区政府有权提取土地税和建筑税,以获得地区原始收入。然而,Sidoarjo国家土地局拥有的地块数据与村政府拥有的纳税人数据不同。在本研究中,通过将地块地图与村庄地图叠加,对国家土地局拥有的地块与Sidoarjo Regency地区税务服务局拥有的纳税人数据进行了适用性分析。然后,通过首先建立土地价值区,可以看到尚未具有税务身份的地块可能产生的潜在PAD。分析结果表明,在拥有常规地块和商铺的地区,DPU Housing拥有56个地块和53个纳税人,Wisma Bungurasih拥有302个地块和320个纳税人,Bungurashi拥有70个地块和71个纳税人。然后,地块不规则的区域的一致性水平较低,即Bungurasih Utara有38个地块和204个纳税人,Bunguraseh Dalam有13个地块和37个纳税人。那么,对于DPU住房和Wisma Bungurasih的6块没有税务信息的土地,可以产生的潜在区域原始收入为1114461.60卢比。
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引用次数: 0
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Geoid
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