Using geographic information system and knowledge base system technology for real-time planning of site characterization activities

1999 ◽  
Vol 36 (2) ◽  
pp. 300-312 ◽  
Author(s):  
Yi-Chang Tsai ◽  
J David Frost

Site characterization activities involving a variety of different tools and techniques are a key component of any environmental rehabilitation program. Depending on the specific characteristics and requirements of the project, a range of tools can be used to characterize the surface and subsurface conditions. The results will be subject to specific limitations which will apply to a particular tool in terms of the depth investigated and the resolution of the measurements obtained as a result of the sensor capacity and background noise conditions. This paper presents a methodology that can be used to evaluate the relative merits of alternative sampling plans for a site and assist in identifying the optimal sampling plan taking into account the amount and type of prior information. This methodology allows new test results to be incorporated in real time as "prior information" as the site investigation proceeds. The methodology is implemented using a geographic information system (GIS) and a knowledge base system (KBS). Factors considered in the methodology include the effective measured area, the likely target characteristics, surface and subsurface noise conditions, and the level of confidence that exists about the possible source location as a result of prior studies at the site. The results of a sensitivity study are presented. An example is used to demonstrate the capability of the prototype system to assess different test configurations.Key Words: characterization, GIS, KBS, planning, quality.


2016 ◽  
Author(s):  
Huei-Tau Ouyang ◽  
Yi-Chun Chen

Abstract. This study presents a methodology for forecasting the extent of inundation and depth of distribution during typhoons in real-time. The proposed approach involves the construction of ARX and ARMAX models capable of predicting water-levels at the locations of on-site gauging stations and representative points located at the outlets of the sub-areas obtained by terrain analysis using a geographic information system. The models are constructed based on historical typhoon data and the results of numerical simulations related to inundation. A database comprising layers of inundation maps related to water-levels in each sub-area based on the assumption of flat-water and the digital elevation model (DEM) of the area were assembled prior to the typhoon. Water-levels during the typhoon are forecast using the constructed models, whereupon inundation sub-maps associated with the forecasted water-levels are extracted from the database. The resulting inundation map is comparable to that obtained using Synthetic Aperture Radar. Processing can be conducted in real-time and requires very little computational resources. This provides valuable lead time in which to conduct efforts aimed at damage mitigation during a typhoon.



Techno Com ◽  
2018 ◽  
Vol 17 (2) ◽  
pp. 186-196
Author(s):  
Muhamad Anbiya Nur Islam ◽  
Much Aziz Muslim ◽  
Hendi Susanto

Kecepatan akses informasi menjadi pembahasan cukup penting dalam pembuatan aplikasi. Teknologi yang mulai merambah pada dunia serba mobile menjadikan kecepatan dan kepraktisan akses informasi menjadi prioritas utama dalam pelayanan fitur sebuah aplikasi. Aktivitas logistik yang melibatkan banyak komponen pengguna memerlukan suatu sistem informasi yang dapat memberikan layanan informasi cepat dan akurat. Pada penelitian ini penulis membuat Real time system berbasis Geographic Information System, untuk mengakomodasi kebutuhan komunikasi data lokasi antara kurir dan outlet. Metode yang digunakan dalam penelitian ini memanfaatkan Aplication Programming Interface yang disediakan oleh Google, yaitu Google Maps API. Data spasial yang digunakan pada penelitian ini mengambil dari data Maps milik Google. Hasil penelitian ini adalah suatu sistem yang saling berkomunikasi mengirim data spasial berupa latitude, longitude, distance, time estimation, route, dan real time marker. Penggunaan GIS berbasis Google Maps API ini sangat efektif dalam membantu estimasi dan monitoring proses pengiriman dan jual beli.



2012 ◽  
Vol 17 (49) ◽  
Author(s):  
G Fitzpatrick ◽  
M Ward ◽  
O Ennis ◽  
H Johnson ◽  
S Cotter ◽  
...  

In 2011, there was a large measles outbreak in Dublin. Nationally 285 cases were notified to the end of December 2011, and 250 (88%) were located in the Dublin region. After the first case was notified in week 6, numbers gradually increased, with 25 notified in June and a peak of 53 cases in August. Following public health intervention including a measles-mumps-rubella (MMR) vaccination campaign, no cases were reported in the Dublin region in December 2011. Most cases (82%) were children aged between 6 months and 14 years, and 46 cases (18%) were under 12 months-old. This is the first outbreak in Dublin to utilise a geographic information system for plotting measles cases on a digital map in real time. This approach, in combination with the analysis of case notifications, assisted the department of public health in demonstrating the extent of the outbreak. The digital mapping documented the evolution of two distinct clusters of 87 (35%) cases. These measles cases were infected with genotype D4-Manchester recently associated with large outbreaks across Europe. The two clusters occurred in socio-economically disadvantaged areas and were attributable to inadequate measles vaccination coverage due in part to the interruption of a school-based MMR2 vaccination programme.



2021 ◽  
Vol 15 (1) ◽  
pp. 40
Author(s):  
Nadia Thereza ◽  
Iwan Pahendra Anto Saputra ◽  
Zaenal Husin

Operasional sektor perkebunan di Indonesia sebagian besar masih mengandalkan sistem konvensional yang menggunakan tenaga manusia untuk melakukan kontrol ke lapangan. Dengan kondisi tersebut, masih sulit jika ingin melakukan peningkatan kinerja operasional menjadi lebih efisien, efektif, dan produktif. Ditambah lagi, kondisi pandemi yang tengah dihadapi saat ini secara tidak langsung sangat berdampak dan berpotensi menurunkan angka produktivitas. Sistem operasional ataupun pengelolaan lahan perkebunan harus mengalami perubahan. Pemanfaatan teknologi dan inovasi sangat dibutuhkan untuk membantu mempertahankan ataupun meningkatkan kualitas dan kuantitas hasil produksi. Oleh sebab itu, dibutuhkan suatu rancangan sistem informasi berbasis website, yang bekerja menyampaikan informasi kondisi geografis suatu area secara real-time sebagai solusi dari permasalahan pemantauan kondisi geografis. Sistem informasi tersebut bekerja menggunakan informasi berupa data spasial (bereferensi geografis) yang dikenal dengan Sistem Informasi Geografis atau Geographic Information System (GIS).Tujuan penelitian ini adalah untuk  membangun GIS berbasis web guna memberikan informasi dan menggambarkan kondisi (normal, rawan, kritis) pada suatu area/lahan secara real-time. Metode penelitian ini terdiri dari lima tahapan, yaitu persiapan penelitian (studi literatur), pengkajian objek (observasi, analisis kebutuhan sistem), perancangan dan pembangunan GIS dan integrasi dengan IoT, analisis dan pengujian penerapan GIS, serta penarikan kesimpulan. Sistem informasi geografis yang dibuat adalah dengan menampilkan peta (maps) area yang dipantau. Perangkat lunak yang digunakan untuk menampilkan maps adalah Google Maps Platform yang mana pada platform tersebut terdapat interface yang disebut API (Application Programming Interface). Google Maps API digunakan untuk menghubungkan sistem informasi geografis yang berbasis website dengan google maps. GIS memberikan informasi dan menggambarkan kondisi geografis suatu area secara real-time, kondisi area yang normal ditandai dengan warna hijau, kondisi antara (rawan kritis) ditandai dengan warna kuning serta kondisi area yang kritis ditandai dengan warna merah. Dengan adanya sistem informasi geografis, maka membantu para pekerja lapangan dalam memantau kondisi geografis suatu area secara real-time tanpa harus berada langsung di lokasi. Berdasarkan hasil penilaian pengguna, sebagian besar menyatakan “sangat setuju” bahwa GIS ini bermanfaat, bersifat user-friendly, mudah diakses kapanpun dan di manapun, serta memiliki kecepatan akses yang baik. Selain itu, sebagian besar juga menyatakan “setuju” bahwa GIS mampu menampilkan informasi yang akurat dan dapat membantu pekerjaan.



2018 ◽  
Vol 31 ◽  
pp. 11019 ◽  
Author(s):  
Wirdah Anugrah ◽  
Suryono Suryono ◽  
Jatmiko Endro Suseno

Management of water resources based on Geographic Information System can provide substantial benefits to water availability settings. Monitoring the potential water level is needed in the development sector, agriculture, energy and others. In this research is developed water resource information system using real-time Geographic Information System concept for monitoring the potential water level of web based area by applying rule based system method. GIS consists of hardware, software, and database. Based on the web-based GIS architecture, this study uses a set of computer that are connected to the network, run on the Apache web server and PHP programming language using MySQL database. The Ultrasound Wireless Sensor System is used as a water level data input. It also includes time and geographic location information. This GIS maps the five sensor locations. GIS is processed through a rule based system to determine the level of potential water level of the area. Water level monitoring information result can be displayed on thematic maps by overlaying more than one layer, and also generating information in the form of tables from the database, as well as graphs are based on the timing of events and the water level values.



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