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Tunas Geografi
Published by Universitas Negeri Medan
ISSN : 2301606X     EISSN : 26229528     DOI : https://doi.org/10.24114/tgeo
Core Subject : Science, Education, Social,
Astronomy Earth & Planetary Sciences Education Environmental Science Other
The main focus of this journal is Geography Learning, Social and Human Geography, Regional Development, Geographic Information Systems, Remote Sensing, Disaster and Mitigation, Geology and Geomorphology, Oceanography and Coastal. This journal target is teachers, lecturers, graduates, and practitioners in the field of geography. As a scientific communication medium, this magazine serves to provide a publication tool for the development of concepts and theoretical studies, and actual issues relevant in the field of Geography. This journal is published twice a year in July and December and is circulated as a publication material for education in geography, geography, or other relevant fields.
Arjuna Subject : Ilmu Bumi dan Planet (semua kategori) - Ilmu Bumi dan Planet (Lain-Lain)
Articles 188 Documents
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ANALYSIS OF SOIL FERTILITY STATUS ON AGRICULTURAL LAND IN WEST SINJAI DISTRICT Ahmad Hidayat; Ahmad Fauzan Adzima; Noor Husna Khairisa
Tunas Geografi Vol 11, No 1 (2022): JURNAL TUNAS GEOGRAFI
Publisher : Department of Geography Education, Faculty of Social Sciences, Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/tgeo.v11i1.36577

Abstract

Soil fertility status not only depicts types of nutrients but also the available nutrients content in the soil. Soil fertility status that is used in agriculture has wide variations and influenced by soil management. Soil management determines of plant growth and its productivity. Three from nine districts in Sinjai Regency are designated as agropolitan areas, one of which is West Sinjai District. This district is considered to be very potential for development of agricultural sector because geographically it is located on high latitude area. The productivity of agricultural land is largely determined by the existing soil quality, which is reflected in its fertility status. Therefore, the existing soil needs to be evaluated for its fertility status, thus the input can be in accordance with the needs of the soil. The method used in this research are survey method, laboratory analysis, and descriptive analysis. The results showed that the soil fertility status at each location is in  low. This is influenced by the parameter values of the KTK parameters, KB, P2O5, K2O, and C-organic.
Geosite and Geomorphosite Assessment for Geotourism Purpose: Case Study of the Islands in Kwandang Bay, North Gorontalo Intan Noviantari Manyoe; Yayu Isyana Pongoliu; Siti Suhartini S. Napu
Tunas Geografi Vol 11, No 1 (2022): JURNAL TUNAS GEOGRAFI
Publisher : Department of Geography Education, Faculty of Social Sciences, Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/tgeo.v11i1.31005

Abstract

Gorontalo's geological diversity can be utilized for the development of geotourism, but the study of geotourism in Gorontalo has not been carried out comprehensively. The purpose of this study is to assess the geosite and geomorphosite of islands in Kwandang Bay, North Gorontalo, namely Ponelo Island, Saronde Island, Bogisa Island, and Hulawa Island. Stages of research include the stage of field data collection through geological surveys, processing, and data analysis. Geosite and geomorphosite assessments use the Kubalikova method. The results showed that there were eight sites on the islands, namely basalt cliffs, wave-cut platforms, tombolo, Saronde white sand, spit, andesite, and Hulawa white sand. The highest score gotten by Ponelo Island and Bogisa Island is on the economic value due to its good accessibility. The highest score of Saronde Island is on educational value because it has a geotourism aspect and is a public visited place. The highest score for Hulawa Island is the additional value because there are aspects of history and archeology of the Netherland colonial. The total values of geosite and geomorphosite assessment in Ponelo, Saronde, Bogisa, and Hulawa Island consecutively are 7.5, 8.5, 6.5, and 8.5. Geosite and geomorphosite on the islands in Kwandang Bay are valuable in terms of scientific, educational, conservation, economic and additional value.Key words: Marine landforms, Geology, Geomorphology, Culture.
SELECTION OF UNMANNED AIRCRAFT VEHICLE (UAV) TO IMPROVE EARLY DETECTION IN SUPPORTING SECURITY OPERATIONS IN THE NATUNA SEA BASED ON MEASURE OF EFFECTIVENESS Ady Nugroho; Victor Pardamean; M.B. Pandjaitan; Ardian Widjanarko D.S
Tunas Geografi Vol 11, No 1 (2022): JURNAL TUNAS GEOGRAFI
Publisher : Department of Geography Education, Faculty of Social Sciences, Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/tgeo.v11i1.34932

Abstract

Technological developments in addition to bringing positive impacts also have negative impacts in the form of factual threats and potential threats to Indonesian marine security. The ability to detect and prevent early against these threats absolutely must be mastered by security and defense institutions or institutions in the marine sector. One of the efforts in collecting maritime data is to utilize Unmanned Aircraft Vehicle (UAV) technology. UAV technology has developed rapidly and is widely used in civilian and military circles, such as: early detection, intelligence surveillance and reconnaissance (ISR), image and video capture, Search and Rescue (SAR), and various reconnaissance and monitoring missions. The Indonesian Navy as a state instrument carrying out the task of state defense at sea has maritime operations capabilities that must continue to be developed. This study uses a descriptive quantitative approach, with the MoE method to assess the effectiveness of the use of UAV in Indonesian Navy intelligence and the AHP method to select the best type of UAV. The results of the effectiveness measurement obtained by UAV are declared effective in supporting the Navy's security operations. The results of data processing for the selection of the best UAV which is ranked first recommended to be held is the UAV type of High Altitude Long Endurance (HALE) which has strategic capabilities. It is hoped that by having UAV type HALE the TNI Al's operational pattern will be more effective and security can be increased optimally
WELFARE ANALYSIS OF FRESH FISH TRADERS IN DELITUA TRADITIONAL MARKET, DELITUA DISTRICT, DELI SERDANG REGENCY Saurina Septiani Sitanggang; Nina Novira
Tunas Geografi Vol 11, No 1 (2022): JURNAL TUNAS GEOGRAFI
Publisher : Department of Geography Education, Faculty of Social Sciences, Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/tgeo.v11i1.33268

Abstract

This study aims to determine: (1) How is the welfare level of the fish traders in the Delitua Traditional Market in terms of their material conditions? (2) How is the welfare level of the fish traders in the Delitua Traditional Market seen from their spiritual condition? (3) How is the welfare level of the fish traders at the Delitua Traditional Market in terms of their social conditions? This research was conducted at the Delitua Traditional Market, Delitua District, Deli Serdang Regency, North Sumatra with a total population of 20 people, who also became the sample in this study (Total Sampling). Data collection techniques were carried out through direct observation and questionnaires. The data analysis technique used is descriptive qualitative analysis. The results of the research show that: Traders' Welfare Level can be measured based on their material condition, social condition, and spiritual condition. Merchants' Welfare can be classified into 3 Criteria, namely High Welfare, Medium Welfare, and Low Welfare. Based on the research that has been done, it can be seen that the welfare level of fresh fish traders in the Delitua Traditional Market is mostly in the moderate level of welfare criteria. Where from 20 respondents, there are 6 respondents who have a high level of welfare, as many as 11 respondents have a moderate level of welfare, and 3 respondents have a low level of welfare.
Vegetation Analysis of Mount Sipiso-Piso Forest Area, Merek District, Karo Regency, North Sumatra Ariasta Bereona Tarigan; Delvian Delvian; T Alief Aththorick
Tunas Geografi Vol 11, No 2 (2022): JURNAL TUNAS GEOGRAFI
Publisher : Department of Geography Education, Faculty of Social Sciences, Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/tgeo.v11i2.39140

Abstract

Mount Sipiso-piso is an Old Volcanic Mountain and part of the Lake Toba Catchment Area (DTA). The location of the Forest on Mount Sipiso-piso is unique because the site of the Forest is at the top of Mount Sipiso-Piso. The area below the mountain is a dense Forest that stands in the peak area of Mount Sipiso-Piso has a role in maintaining water flows in the Mount Sipiso-Piso area, becoming a place for rainwater absorption, and maintaining ecosystem stability so that erosion or landslides do not occur in vulnerable areas. This study aimed to look at the diversity and evenness of Mount Sipiso-piso Forest vegetation types. Data analysis techniques include Important Value Index (INP), Diversity Index (H'), and Evenness Index (E). The results showed that 20 families and 23 plant species from 1539 individuals were found in the field. The Important Value Index (INP) indicates that different individuals dominate the forest community at each level. The index of the diversity of Mount Sipiso-Piso Forest vegetation is categorized as moderate in the saplings, poles, and trees class and the low category in the undergrowth, woody shrubs, and seedlings class. For the species evenness index, the category is expected in the undergrowth and seedling class, the medium type is in the woody shrub and tree class, and the high sort is in the sapling and pole class.Keywords: Sipiso-Piso Mountain, Forest, Vegetation, Diversity, Evenness. 
Analysis of the Potential Development of Sa'o Traditional House Tourism in Bajawa Ethnic Communities, Ngada District Fransiskus Xaverius Rema; Enok Maryani
Tunas Geografi Vol 11, No 2 (2022): JURNAL TUNAS GEOGRAFI
Publisher : Department of Geography Education, Faculty of Social Sciences, Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/tgeo.v11i2.40243

Abstract

Tourism is an industrial sector that provides many benefits for survival, one of which is economic benefits. Tourism consists of three parts: style, culture, and artificial. One of the tours that are currently being developed is cultural tourism. Cultural tourism is tourism that displays local wisdom to attract tourists. One cultural tour that requires management development is the cultural tourism of the Sa'o traditional house in Ngada Regency, East Nusa Tenggara Province. The Sa'o traditional house is an original traditional house belonging to the Bajawa ethnic community, which is in the traditional Bena village. This study aims to analyze the cultural tourism potential of the Sa'o traditional house for tourism development. The research method used in this research is mini research which is qualitative with a literature study approach. This research is a type of library research. The study results show that the Sa'o traditional house located in the traditional village of Bena has enormous potential to be developed and promoted in cultural tourism. The Sa'o traditional house has its characteristics: special sections consisting of teda Wewa, teda one, and one. The Sa'o traditional house has a symbolic meaning for the Bajawa ethnic community consisting of Ngadhu, Bhaga, Watu Lewa, and Nabe. In developing the cultural tourism of the Sa'o traditional house, the participation of the government and the surrounding community is needed. An analysis of the inhibiting factors for cultural tourism of the Sa'o traditional house is needed.Keywords: Sa'O Traditional House, Bajawa Ethnicity, Cultural Tourism, Development
Utilization of Fun Games as Earthquake Disaster Mitigation Efforts for Inclusive Children Haikal Muhammad Ihsan; Dias Pratami Putri; Hurry Mega Insani; Armandha Redo; Alnidi Safarach Bratanegara
Tunas Geografi Vol 11, No 2 (2022): JURNAL TUNAS GEOGRAFI
Publisher : Department of Geography Education, Faculty of Social Sciences, Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/tgeo.v11i2.39739

Abstract

The lembang fault is active and can potentially trigger earthquakes in the West Bandung Regency area and its surroundings. The lembang fault has two segments, namely the western and eastern segments, with a movement of 3 mm/year. The Ngamprah Raya Special School (SLB) is a school for children with special needs located in the Lembang fault area in the western segment. This condition causes SLB Ngamprah Raya to be in an earthquake-prone area. One of those affected is highly vulnerable to earthquakes, namely children, even more vulnerable, namely children with special needs or inclusion. Children with special needs need education regarding the Lembang fault earthquake and earthquake disaster mitigation. Earthquake disaster mitigation learning based on fun games needs to be done for Children with Special Needs. The purpose of this study is to utilize fun game media for earthquake disaster mitigation education for children with special needs. The method used is participatory observation involving accompanying teachers and students. The sample used is accidental sampling. The study results show that the fun game of snakes and ladders based on disaster mitigation is effective and efficient for children with special needs with mental retardation. In its implementation, game time and participants must be considered and limited to achieve learning. Students get developmental achievements as expected by going through three cycles. Each cycle is carried out with an effective and efficient snake and ladders game adjustment scheme. Learners are more likely to be able to capture interactive material. Snakes and ladders fun game can be an alternative solution in developing earthquake disaster mitigation learning media for mental retardation.Keywords: Fun game, Disaster Mitigation, Children with Special Needs.
Evaluation and Development of Drinking Water Supply System (SPAM) IKK Perbaungan Serdang Bedagai Regency Mutia Fadhilah Rangkuti; Adhi Yuniarto
Tunas Geografi Vol 11, No 2 (2022): JURNAL TUNAS GEOGRAFI
Publisher : Department of Geography Education, Faculty of Social Sciences, Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/tgeo.v11i2.37354

Abstract

The purpose of this study was to analyze the evaluation and development of SPAM IKK perbaungan, Serdang Bedagai Regency, North Sumatra. The method used in this research were preliminary study, data collection, data analysis, discussion, conclusions, and suggestions. Data collection was divided into primary data consisting of the existing condition of SPAM IKK Perbaungan, while secondary data consists of pipeline network, service data, and population data. At the same time, the data analysis was in the form of population projections, water demand projections, and evaluation of SPAM based on technical and institutional aspects. The questionnaire results showed that over 60% of the population who are not PDAM customers are interested in becoming customers and agreed to pay connection fees. SPAM IKK Perbaungan would serve four villages, namely Simpang Tiga Pekan,  Batang Terap, Citaman Jernih, and  Kota Galuh, with populations of 9,118, 3,352, 7,184, and 4,896, respectively. The implementation was divided into two stages, namely Phase I in 2022-2027, which served Simpang Tiga Pekan, Batang Terap, and Citaman Jernih with total water demand of 33.51 L/s, then Phase II in 2028-2032, which added to serve Kota Galuh with a total water demand of 42.41 L/s.Keywords: Evaluation, Development, Drinking Water Supply System
Validation of Rain Thickness Model Based on GPM Satellite and Surface Measurements Lailatul Husna Lubis; Aulia Anggraini; Ratni Sirait
Tunas Geografi Vol 11, No 2 (2022): JURNAL TUNAS GEOGRAFI
Publisher : Department of Geography Education, Faculty of Social Sciences, Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/tgeo.v11i2.40594

Abstract

The limited acquisition of rainfall data from the Climatological Station of Deli Serdang has resulted in constraints on research in several fields. Global Precipitation Measurement (GPM) has spatial and temporal advantages as a solution to this problem. This study aims to provide information on the rain thickness equation model based on the Global Precipitation Measurement (GPM) Satellite as an alternative to calculating rain thickness at the Climatological Station of Deli Serdang. Data from the Global Precipitation Measurement (GPM) Satellite and Climatological Station of Deli Serdang were used, covering the period from January 1 to December 31, 2021. The Rescaled Adjusted Partial Sums (RAPS) method was used to verify the data quality, and the two data were consistent. The rain thickness equation model was obtained using a simple linear regression method. At the same time, the validation of the rain thickness equation model with surface measurements used the Root Mean Square Error (RMSE), Nash Sutcliffe Efficiency (NSE), and Correlation Coefficient (R) methods. The validation findings demonstrate that the rain thickness data from the Global Precipitation Measurement (GPM) Satellite was close to that of the Climatological Station of Deli Serdang, with an RMSE value of 5.85 mm, NSE of 0.99 mm, and R of 0.99. Hi = 5.21ti0.50 mm was the model used to calculate the equation for rain thickness. 6.84 mm, 0.69 mm, and 0.94 mm were the validation results of the equation model for RMSE, NSE, and R.Keywords: Rain Thickness, Global Precipitation Measurement (GPM), Climatological Station of Deli Serdang, Equation Model, Validation
Spatial Analysis of HIV Case Distribution and Key Population Distribution in Bandung City Alnidi Safarach Bratanegara; Aldi Maulana Yusuf; Fiqhi Adha Arlisadi
Tunas Geografi Vol 11, No 2 (2022): JURNAL TUNAS GEOGRAFI
Publisher : Department of Geography Education, Faculty of Social Sciences, Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/tgeo.v11i2.40046

Abstract

HIV is a disease that can attack a person's immune system, and there is no effective drug to eliminate HIV disease. Indonesia is one of the countries with the fifteenth largest population affected by HIV disease in the world. The city of Bandung is the area that has the most HIV cases in the province of Java; based on data from the Bandung City Health Office, there were 4,620 people infected with HIV in 2018. The purpose of this study was to analyze the relationship between the distribution of HIV cases and the distribution of key populations in the city of Bandung. The research method used is a quantitative description method by collecting various secondary data from the health department so that it is processed using a Geographic Information System. The spatial analysis used is the Spatial Autocorrelation Report, which will describe based on data on HIV cases and key populations. The results of the study illustrate that HIV cases have a random distribution pattern and have no correlation between locations and HIV cases. Meanwhile, the distribution pattern of the key population has a random distribution pattern or does not correlate with the location and the key population, so there is a tendency for a relationship between HIV cases and the number of key populations.Keywords: HIV, Key Population, Geography Information System, Bandung 

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