scholarly journals Sistem Informasi Geografis Berbasis Web untuk Pemetaan Potensi Pembangkit Listrik Tenaga Mikro Hidro (PLTMH) di DAS Krueng Aceh Bagian Hulu

2019 ◽  
Vol 4 (4) ◽  
pp. 482-491
Author(s):  
Kabul Santoso ◽  
Indera Sakti Nasution ◽  
Dewi Sri Jayanti
Keyword(s):  
Land Use ◽  
Information System ◽  
Geographic Information System ◽  
Return Period ◽  
Soil Type ◽  
Power Plants ◽  
Geographic Information ◽  
Rational Method ◽  
Calculation Results ◽  
Upstream Part

Abstrak. Analisis curah hujan dan analisis peta kelerengan, jenis tanah dan tataguna lahan diperlukan untuk mengetahui besarnya debit rencana dengan menggunakan Metode Rasional yang dapat mempengaruhi besarnya potensi daya pada setiap sub-sub DAS Krueng Aceh bagian hulu. Curah hujan perlu dihitung dengan parameter statistik untuk menentukan distribusi yang dapat digunakan sehingga dapat diperoleh curah hujan rencana. Overlay peta kelerengan, jenis tanah, dan tataguna lahan untuk memperoleh nilai koefisien limpasan (C). Penelitian ini menggunakan data curah hujan 10 tahun periode 2009-2018, serta data spasial tahun 2016. Besarnya nilai curah hujan rencana yang diperoleh dari hasil perhitungan distribusi yang memenuhi syarat pada kawasan penelitian yaitu Distribusi Log Pearson III pada periode ulang tertentu diperoleh curah hujan rencana yang nilainya semakin besar seiring dengan semakin besarnya periode ulang. Debit rencana yang diperoleh dari hasil perhitungan menggunakan Metode Rasional pada periode ulang tertentu diperoleh nilai debit yang bervariasi, semakin lama periode ulang yang digunakan maka semakin semakin besar debit maksimum yang diperoleh. Potensi Daya yang dihasilkan dari hasil perhitungan secara teoritis pada periode ulang tertentu diperoleh niai daya yang masuk kedalam klasifikasi daya PLTMH yang berkisar antara 5 kW-100 kW. Hasil keusioner berdasarkan Metode Likert menunjukkan bahwa website yang berisi potensi daya PLTMH di DAS Krueng Aceh bagian hulu yang telah dibangun adalah baik dan berhasil. Sistem informasi geografis ini dapat diakses melalui URL https://sigacehbesarpltmh.comWeb-Based Geographic Information System for Mapping the Potential of Micro Hydro Power (MHP) in the Krueng Aceh Watershed in the Upper ReachesAbstract. Rainfall analysis and slope, soil type and land use analysis are needed to determine the amount of discharge plan using the Rational Method that can influence the magnitude of power potential in each sub-section of the upstream part of the Krueng Aceh watershed. Rainfall needs to be calculated with statistical parameters to determine the distribution that can be used so that a rainfall plan can be obtained. Slope map overlay, soil type, and land use to obtain runoff coefficient (C). This study uses 10 years of rainfall data for the 2009-2018 period, as well as 2016 spatial data. The amount of the rainfall plan is obtained from the calculation of the distribution that meets the requirements in the study area, namely the Log Pearson III Distribution in a certain return period, the rainfall plan is obtained, the greater the value along with the increasing return period. The plan debit obtained from the calculation results using the Rational Method in a given return period varies the value of the discharge, the longer the return period used, the greater the maximum debit obtained. Potential Power generated from the theoretical calculation results in a certain return period is obtained the value of the power that is included in the classification of power plants that range from 5 kW-100 kW. The results based on the Likert Method show that the website containing the power potential of PLTMH in the upstream part of the Krueng Aceh watershed has been good and successful. This geographic information system can be accessed through the URL https://sigacehbesarpltmh.com

scholarly journals Flood Vulnerability Mapping Using Geographic Information System (GIS) in Gajah Wong Sub Watershed, Yogyakarta County Province

2020 ◽  
Vol 5 (1) ◽  
pp. 47
Author(s):  
A. Ardiansyah ◽  
Dyah Respati Suryo Sumunar
Keyword(s):  
Land Use ◽  
Information System ◽  
Geographic Information System ◽  
Soil Type ◽  
Geographic Information ◽  
Geography Education ◽  
Flood Vulnerability ◽  
Creative Commons ◽  
Buffer Analysis ◽  
High Flood

Gajah Wong Sub Watersheds frequently hit by floods which are potentially damaging. Therefore, a study on a flood vulnerability of the area is deemed necessary. This study aims to map floods vulnerability, to know the level and its spread in Gajah Wong Sub Watershed of Yogyakarta County Province by using Geographic Information System (GIS). The methods implemented in this study was weighing and scoring analysis and overlay of parameter attributes data of flood vulnerability framer, consisting of land use, slope of mountain, rainfall, soil type, geology, height of location and river buffer. Each parameter of flood vulnerability framer is classified based on the magnitude of effect towards flood vulnerability. The results of this study indicate that there were three levels of flood vulnerability in  Gajah Wong Sub Watershed, i.e. low flood vulnerability of 338.34 Ha (6.86%), medium flood vulnerability level of 4,595.62 Ha (93.13%) and high flood vulnerability level of  0.76 Ha (0.02%). Low flood vulnerability level is ditributed randomly to all areas of  Gajah Wong Sub Watershed cover of Ngaglik Sub-district, Depok Sub-district, small part of  Pleret Sub-district and was predominantly in  Banguntapan Sub-district, an area with rainfall. Medium flood vulnerability areas dominated Gajah Wong Watershed. Meanwhile, high flood vulnerability level occupied small portion of the area and spread in the southern part of Pleret Sub-district which was taken as the area of River Buffer analysis. Keywords: GIS; Gajah Wong; Sub Watershed; Yogyakarta.   Copyright (c) 2020 Geosfera Indonesia Journal and Department of Geography Education, University of Jember This work is licensed under a Creative Commons Attribution-Share A like 4.0 International License

scholarly journals Analysis of Pond Land Suitability for Catfish Cultivation using GIS in Padang City

2020 ◽  
Vol 4 (9) ◽  
pp. 70-74
Keyword(s):  
Land Use ◽  
Information System ◽  
Economic Evaluation ◽  
Geographic Information System ◽  
Soil Type ◽  
Geographic Information ◽  
Water Sources ◽  
Land Suitability ◽  
Gis Application ◽  
Suitable Area

The pond land suitability in a fish cultivation business is very necessary to be considered to increase the catfish production in Padang city suitability can be done based on 2 aspects, i.e economic (economic evaluation) and physical evaluation. This research aims to the analysis of pond land suitability for the cultivation of catfish enlargement in Padang city using Geographic Information System (GIS) application. The method is overlaid using 9 parameters: a) cultivation pond; b) distance of cultivation from transportation facilities; c) location of cultivation from water sources (rivers/drainage); d) slope; e) soil type; f) land use; g) altitude; h) flood disaster; and i) landslide, then obtained the result of the most suitable area for the catfish cultivation in Padang city is Kuranji Sub-district with the most important parameter is the land use.

scholarly journals Automated Classification of Agricultural Lands Using GIS and NES

2018 ◽  
Vol 7 (4.38) ◽  
pp. 1146
Author(s):  
V. K. Kalichkin ◽  
A. I. Pavlova ◽  
A. F. Petrov ◽  
V. A. Smolyakov
Keyword(s):  
Land Use ◽  
Information System ◽  
Geographic Information System ◽  
Interpolation Method ◽  
Ground Surface ◽  
Geographic Information ◽  
Automated Classification ◽  
Stream Power ◽  
Stream Power Index

The article proposes the methodology for the automated classification of uplands using Geographic Information System (GIS) and Neural Expert System (NES). Quantitative indicators of topography are used as the basis of the proposed classification. A database consisting of topographic, soil, and land use maps was created using ArcGIS 10 geographic information system. A topologically correct digital elevation model (DEM) was created by the ANUDEM interpolation method. The DEM contains the following maps: hypsometric, steepness and slopes exposure, plan, profile, common curvature of the ground surface, and cumulative runoff maps. The boundaries of elementary surfaces (ES), which are homogeneous morphological formations, are established. Parameters characterizing the Stream Power Index (SPI) are taken into account. The essence of the proposed classification consists in attributing of ES to a certain group of lands based on aggregate of features. To do this, partial scales were created, containing indicators of topography, soil cover, land drainage conditions, as well as the degree of erosion development. The authors formed knowledge base for traning the NES using GIS database and partial scales of estimates. Teaching of neural network was carried out. The classification and topology of land was carried out by means of the NES. The uplands are distributed in flat and slightly convex areas. They are characterized by the following indicators: the curvature of the ground surface: plan curvature (0 – 0.03), profile curvature (0 – 0.15), common curvature (0 – 0.22); slope angles (less than 1.5о); horizontal dissection in elevation (less than 0.5 km/km2), vertical dissection (less than 5 m); and SPI (from -13.80 to -6.47). Electronic map of uplands of LLC «Salair» land-use area was created in the ArcGIS 10 environment.  

scholarly journals The Use of Remote Sensing and Geographic Information System Techniques to Determine Relationships between Land Use and Landform

2014 ◽  
Vol 3 (2) ◽  
Author(s):  
Tülay TUNÇAY ◽  
İlhami BAYRAMİN ◽  
Hasan Sabri ÖZTÜRK ◽  
Mümtaz KİBAR ◽  
Oğuz BAŞKAN
Keyword(s):  
Remote Sensing ◽  
Land Use ◽  
Information System ◽  
Geographic Information System ◽  
Geographic Information

Calculation of Land Consolidation Potential Based on GIS

2014 ◽  
Vol 580-583 ◽  
pp. 2769-2773
Author(s):  
Yan Hua Liu ◽  
Wei Qing Chen
Keyword(s):  
Land Use ◽  
Information System ◽  
Geographic Information System ◽  
Geographic Information ◽  
Land Consolidation ◽  
Cultivated Land ◽  
Thematic Maps ◽  
Residential Land ◽  
Rural Residential Land ◽  
In Virtue Of

Through the analysis of land use actuality, this paper summarizes the characteristics of land use, in virtue of geographic information system (GIS) platform, the database of land consolidation is constructed, combining with different calculation models of cultivated land and rural residential land consolidation potential, the consolidation potentials of cultivated land and rural residential land are calculated, and the thematic maps about land consolidation potential of each village and town in study area are mapped out. The results show that the land consolidation areas are mainly concentrated in the middle of study area.

Are Measures Derived From Land Use and Transport Policies Associated With Walking for Transport?

2018 ◽  
Vol 15 (1) ◽  
pp. 13-21 ◽  
Author(s):  
Jerome N. Rachele ◽  
Vincent Learnihan ◽  
Hannah M. Badland ◽  
Suzanne Mavoa ◽  
Gavin Turrell ◽  
...  
Keyword(s):  
Land Use ◽  
Information System ◽  
Geographic Information System ◽  
Public Transport ◽  
Multinomial Logistic Regression ◽  
State Level ◽  
Geographic Information ◽  
Transport Services ◽  
Spatial Measures ◽  
Traffic Volumes

Background: There is growing urgency for higher quality evidence to inform policy. This study developed geographic information system spatial measures based on land use and transport policies currently used in selected Australian states to assess which, if any, of these measures were associated with walking for transport. Methods: Overall, 6901 participants from 570 neighborhoods in Brisbane, Australia, were included. Participants reported their minutes of walking for transport in the previous week. After a review of state-level land use and transport policies relevant to walking for transport across Australia, 7 geographic information system measures were developed and tested based on 9 relevant policies. Data were analyzed using multilevel multinomial logistic regression. Results: Greater levels of walking for transport were associated with more highly connected street networks, the presence of public transport stops, and having at least 2 public transport services per hour. Conversely, neighborhoods with shorter cul-de-sac lengths had lower levels of walking for transport. There was no evidence of associations between walking for transport and street block lengths less than 240 m or traffic volumes. Conclusions: These findings highlight the need for urban design and transport policies developed by governments to be assessed for their impact on transport-related physical activity.

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