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INDONESIA
Jurnal Geografi
Published by Universitas Negeri Medan
ISSN : 20858167     EISSN : 25497057     DOI : -
Core Subject : Science, Education, Social,
Earth & Planetary Sciences Education Environmental Science Social Sciences Other
Jurnal Geografi is published as a scientific communication media in the field of Geography Education in particular and Geography in general, as well as other related fields, for faculty members, alumni of Geography Education both from the Faculty of Social Sciences of State University of Medan and alumni of geography from other universities. As a medium of scientific communication, this magazine serves to provide a means of publication for the field of development of concepts and theoretical studies, including actual issues that are relevant in the field of Geography Education in particular and Geography in general. The content of the writing does not have to be in line with the editorial policy. The magazine is published twice a year in February and August and is distributed as a publication for geography education, geography or other related fields. Circulation for the limited circle and enthusiasts can get it by changing the cost of printing and postage.
Arjuna Subject : Ilmu Sosial - Geografi, Perencanaan dan Pengembangan
Articles 330 Documents
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DESCRIPTION AND MAPPING OF URBANIZATION DEVELOPMENT IN SUMATERA UTARA Nurhanifah Nurhanifah
JURNAL GEOGRAFI Vol 13, No 2 (2021): JURNAL GEOGRAFI
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jg.v13i2.23206

Abstract

The number of urban residents continues to increase each year due to the mobility of the population from villages to cities (urbanization). Aims this article  to describe the development of urbanization in North Sumatra. Method of research is library research, data collection is carried out by taking from various sources such as BPS data, journals, documentation, and coupled with observational data then analyzed descriptively. This research found  that the population development of North Sumatra (North Sumatra) is still concentrated in Medan City. Although its geographical area is only 0.36% of North Sumatra's area, Medan is inhabited by 2,279,894 million people. The concentration of the population of North Sumatra in Medan is due to the ongoing urbanization or migration of people from villages to cities. The high number of urban residents can be a problem for the government, one of which is the emergence of the phenomenon of poverty, homelessness, and congestion. Often people who move to urban areas have big reasons and expectations such as wanting to get a job, high wages, prestige, and wanting to enjoy urban facilities. The conclusion is the development of the urban population in North Sumatra is in line with the rapid development of infrastructure, such as toll roads, and industries built by the government or the private sector continue to grow. The increasing level of urbanization shows the increasing number of people living in urban areas (cities) which causes the population to become denser in urban areas. The large number of people who urbanize in North Sumatra is due to economic and social factors.Keywords: Urbanization, Mapping, Development, Nort Sumatra 
WATER QUALITY ANALYSIS OF CODE RIVER BASED ON METAL AND NONMETAL PARAMETERS USING HEAVY METAL POLLUTION INDEX Margaretha Widyastuti; Galih Dwi Jayanto; Muhammad Ridho Irshabdillah
JURNAL GEOGRAFI Vol 13, No 2 (2021): JURNAL GEOGRAFI
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jg.v13i2.20000

Abstract

Code is one of the rivers influenced by a large number of waste-generating human activities in Yogyakarta, Indonesia. Despite continued discharges of pollution loads from anthropogenic waste, the heavy metal pollution index (HPI)—a water quality index assessing heavy metal ions present in a body of water—remains nationally underutilized. The research was intended to 1) analyze the river water quality based on metal and nonmetal parameters typical of domestic waste, 2) calculate HPI using either and both parameters, and 3) evaluate the resultant water quality status. The water quality data were the products of temporal river monitoring conducted by the Forestry and Environmental Office for Yogyakarta. The heavy metal parameters included Fe, Cu, Cd, Cr, and Pb, while the nonmetal parameters were BOD, COD, TSS, ammonia, oil and grease, and total coliforms. Each parameter value was compared with the water quality standard issued in Governor Regulation No. 20/2008.  The results showed that the HPI composite of heavy metal parameters classified the river water quality as excellent (2.52), whereas the one representing nonmetal parameters indicated bad quality (55.04). Nevertheless, based on the HPI composed of all parameters, the quality fell into the category excellent (3.94). Consequently, when all metal and nonmetal parameters are combined into the HPI calculation, the river shows a better water quality status.Keywords: HPI (Heavy Metal Pollution Index) water quality, domestic waste, heavy metal, Yogyakarta
APPLICATION OF UNMANNED AERIAL VEHICLE AS A BASE MAP LAYER IN NEAR-SURFACE GEOPHYSICS Muhammad Yanis; Aprilla Hasibuan Anggini; Faisal Abdullah; Muzakir Zainal; Marwan Abubakar
JURNAL GEOGRAFI Vol 13, No 1 (2021): JURNAL GEOGRAFI
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jg.v13i1.17818

Abstract

The Geophysical method is operated by using physical parameters above the surface to estimate the subsurface structures. In data interpretation, all 3D surveys, i.e., magnetic, gravity, magnetotelluric, and airborne, are required for geographical conditions in the research area. In a large area, global DEM data is used to explain the field condition, but for local measurement, the data is not efficient due to low resolution (15-30 m/px). This research uses UAV technology to produce a high-resolution topography in local Geophysical measurement (500 x 600 m). The survey was conducted to map the coal structure in the subsurface. UAV data were also compared to SRTM (30 m/px) and DEMNAS (8 m/px) as global topography. Based on data processing, the UAV topographic was have a high resolution of 2.5 cm/px. Comparison of UAV and magnetic data are able to explain a good condition of field measurement than a global DEM data, even in a relatively small area; outcrops of the coal (50x50 m) can show a good differences contrast of topography. Based on data analysis, we can conclude that UAV technology can interpret the geophysical data measured in a local area.Keywords: UAV, SRTM, Topography, Geophysical Interpretation.Metode Geofisika bekerja dengan memanfaatkan parameter fisis diatas permukaan untuk pendugaan struktur bawah permukaan. Dalam tahapan interpretasi data, semua pengukuran 3D Geofisika; magnetic, gravity, magnetotelluric, dan airbone sangat membutuhkan keadaan geografis lapangan. Pada area yang luas, data DEM global digunakan untuk menjelaskan deskripsi lapangan, namun untuk pengukuran dekat permukaan yang bersifat lokal, data ini tidaklah efesien, karena resolusi yang relative rendah (15 – 30 m/px). Kami menggunakan teknologi UAV untuk menghasilkan topografi resolusi tinggi pada area pengukuran Geofisika dengan luas 500 x 600 m, yang disurvei untuk pemetaan batubara dibawah permukaan. Data UAV juga dibandingkan dengan topografi global SRTM (30 m/px) dan DEMNAS (8 m/px). Hasil pengolahan data menunjukkan data UAV menghasilkan topografi dengan resolusi 2.5 cm/px. Hasil overlay UAV dengan Geofisika magnetik mampu menjelaskan deskripsi lapangan dengan sangat baik dibandingkan DEM global, bahkan pada area yang relative kecil seperti singkapan batuabara (50x50 m) dapat menunjukkan keadaan perbedaan topografi dengan kontras. Berdasarkan data analysis, topografi UAV sangat potensial digunakan untuk interpretasi data Geofisika dekat permukaan yang diukur pada area yang relative lokal.Kata kunci: UAV, SRTM, Topografi, Interpretasi Geofisika.
PADDY FIELD CONVERSION IN INDONESIA IN A CONTEMPORARY GEOGRAPHIC PERSPECTIVE: A CONCEPTUAL OVERVIEW OF HUMAN-NATURE DIALECTICS Hafid Setiadi; Muhammad Dimyati; Nurrokhmah Rizqihandari; Ratri Candra Restuti; Satria Indratmoko; Tuty Handayani
JURNAL GEOGRAFI Vol 13, No 2 (2021): JURNAL GEOGRAFI
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jg.v13i2.21027

Abstract

Experts from various perspectives have widely reviewed the patterns, processes, reasons, and impacts of paddy field conversion. However, most of these reviews tend to understand paddy fields from the physical-material dimension. By using the perspective of contemporary geography, this paper provides a critical conceptual overview of the conversion of paddy fields through the elaboration of human-nature dialectic as a central theme in the discipline of geography. The dialectic also contains identity, spatial awareness, and spatial-symbolic order issues that affect the existence of farmers and their paddy fields. This critical review results in the argument that the relationship between farmers and paddy fields represents a spatial-symbolic order that contains values, enthusiasm, identity, and living traditions. The identity and existence of farmers are part of the existence of paddy fields. Paddy fields have become part of the minds and consciousness of the farmers. The conversion of paddy fields will reduce the eco-cultural relations in this order and replace it with a capitalistic system.Keywords: contemporary geography, human-nature dialectic, paddy field conversion, spatial-symbolic order, sustainable agriculture
SILENT SIMULATION: THE ABILITY OF GEOGRAPHY EDUCATION STUDENTS TO DO A HORIZONTAL EVACUATION TO A TSUNAMI SAFE ZONE IN PADANG CITY Nofrion Nofrion; Bayu Wijayanto; Rahmanelli Rahmanelli; Rery Novio; Surtani Surtani; Khairani Khairani; Mohammad Zohir Ahmad
JURNAL GEOGRAFI Vol 13, No 1 (2021): JURNAL GEOGRAFI
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jg.v13i1.20272

Abstract

This article was written to explain the ability of Geography Education students to do horizontal evacuation to a tsunami safe zone in Padang City and a silent simulation as an alternative of horizontal evacuation. In this research, respondents were asked to do horizontal evacuation in 3 ways, that is walking, power walking and running. The measurement result data were analyzed and compared with the estimated arrival time of tsunami wave in three scenarios based on gender. The results of the research are 1) 47.76 % of respondents did not know the nearest tsunami safe zone from their places; 2) if the earthquake and tsunami scenarios 1 and 2 occurred, the recommended horizontal evacuation technique was running. Silent simulation is a horizontal evacuation simulation carried out independently by residents without waiting for the simulation schedule by the government or related institutions. Silent simulation can be done alone, with family, or with the closest neighbours and combined with daily activities such as marathons or jogging. Through this silent simulation practice, residents can find out the most appropriate evacuation method and the fastest evacuation route to the nearest tsunami safe zone from their respective homes.Keywords: silent simulation, geography education, tsunami safe zone, PadangArtikel ini ditulis untuk menjelaskan kemampuan mahasiswa Pendidikan Geografi dalam melakukan evakuasi horizontal ke zona aman tsunami di Kota Padang dan silent simulation sebagai alternatif evakuasi horizontal. Dalam penelitian ini, responden diminta melakukan evakuasi horizontal dengan 3 cara, yaitu jalan kaki, jalan cepat dan lari. Data hasil pengukuran dianalisis dan dibandingkan dengan perkiraan waktu tiba gelombang tsunami pada tiga skenario berdasarkan jenis kelamin. Hasil penelitian adalah 1) 47,76% responden tidak mengetahui zona aman tsunami terdekat dari tempatnya; 2) jika terjadi gempa bumi dan tsunami skenario 1 dan 2, maka teknik evakuasi horizontal yang direkomendasikan adalah berjalan. silent simulation merupakan simulasi evakuasi horizontal yang dilakukan secara mandiri oleh warga tanpa menunggu jadwal simulasi oleh pemerintah atau instansi terkait. silent simulation bisa dilakukan sendiri, bersama keluarga, atau dengan tetangga terdekat dan dipadukan dengan aktivitas sehari-hari seperti maraton atau jogging. Melalui latihan silent simulation ini, warga dapat mengetahui metode evakuasi yang paling tepat dan jalur evakuasi tercepat menuju zona aman tsunami terdekat dari rumah masing-masing.Kata Kunci: Silent simulation, Pendidikan geografi, Zona aman tsunami, Padang
DYNAMICS AND PREDICTIONS OF LAND-USE CHANGES IN SERANG RAYA AND THEIR CONFORMITY TO THE SPATIAL PLAN OF BANTEN PROVINCE Oki Libriyanto; Andrea Emma Pravitasari; Muhammad Ardiansyah
JURNAL GEOGRAFI Vol 14, No 1 (2022): JURNAL GEOGRAFI
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jg.v14i1.24441

Abstract

Serang Raya is developing rapidly, characterized by the growing population, and increasing socioeconomic activities would threaten the sustainability as one of the food storage areas and guard the natural ecosystem in Java. The need for urban land may lead to land use with various protection functions and productive agricultural land, resulting in a decrease in food production and environmental degradation. This study aims to analyze the dynamics of land-use change in Serang Raya in 2000-2018, to predict land use in 2030, and to analyze the unconformity between land use in 2018 and the expected land use in 2030 with the spatial plan of Banten Province 2010-2030. The analytical methods used image interpretation, CA-Markov land use predictions, and overlay analysis to identify unconformity. The results showed that land use in Serang Raya had changed with a dominant pattern of change: rice fields became open land, plantations became built-up areas, and rice fields became built-up areas. Prediction of land use in 2030 shows an increase of built-up area, which is relatively high along with a decrease in paddy fields and plantations. The existing land use conditions in 2018 led to unconformity with the space allocation of 8.92% and increased to 9.31% compared to the predicted land in 2030.Keywords: Spatial Unconformity, Land Conversion, Land Prediction
CONDITION OF COMMUNITY LIVELIHOOD ASSETS AROUND MUHAMMADIYAH'S CHARITY BUSINESS TOWARDS SUSTAINABLE LIVELIHOODS DURING COVID 19 IN TALIWANG, WEST SUMBAWA Ibrahim Ibrahim
JURNAL GEOGRAFI Vol 14, No 1 (2022): JURNAL GEOGRAFI
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jg.v14i1.28934

Abstract

Various covid-19 period programs have not made the community empowered and independent. The development of the Muhammadiyah Business Charity (AUM) program in the movement is still low in West Sumbawa Regency. Have various livelihood strategies in the surrounding community. This study aims to examine the condition of the livelihood assets of the community around AUM towards sustainable livelihoods during the Covid 19 period in Taliwang, West Sumbawa. The method used in this research is descriptive. The study results indicate that the community's livelihood assets around AUM are; first, human capital is more dominant in Lenang Late Village, reaching an average of 53.46; secondly, natural capital is more prevalent in Brang Bulu Hamlet, reaching an average of 2.58. The physical means of the three hamlets have the same average level going 18. Fourth, social capital is more dominant in Dusun Brang Pandan, reaching an average of 38.64; fifth, financial wealth is more prevalent in Dusun Lenang Late, reaching an average of 21.92. The level of community livelihoods at the Branch and Subdistrict levels during the Covid-19 period had various assets, but strategic measures were needed to ensure a better and sustainable livelihood.Keywords: Asset, Muhammadiyah Business Charity, and Covid-19.
GAP ANALYSIS IN DELI WATERSHED MANAGEMENT MEASURED BY STAKEHOLDERS’ SOCIAL FACTORS DELI NORTH SUMATERA Jen Christ David; Abdul Rauf; Hamdani Harahap
JURNAL GEOGRAFI Vol 14, No 1 (2022): JURNAL GEOGRAFI
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jg.v14i1.24851

Abstract

A watershed is an area encompassing rivers and tributaries, which functions as a container, a reservoir, a water drainage system, and a home for human activities and other living things, either living on the banks of the river or living in a watershed. This research is a qualitative descriptive study that used interviews and questionnaires to collect the data. This study examined four main factors in Deli Watershed Management: stakeholders' capacity level, knowledge levels, attitudes, and the gap in watershed management. The t-test result showed the correlation's capacity level as an insignificant variable (p> 0.05). The regression model that describes the correlation between stakeholders' knowledge level, stakeholders' attitudes, simultaneously, and the gap in the management of the Deli Watershed Management amounting to y = 1.164 - 0.173 x1 - 0.470x2 where x1 = level of knowledge and x2 = attitudes. The value of r = 0.704 indicates that the correlations between these variables are strong. Meanwhile, the adjusted R square value is 0.460. The F-test suggests that 46% of the variation in the gap in the Deli Watershed Management was due to stakeholders' knowledge levels and attitudes in implementing the management. Thus, social inequality in watershed management correlates with stakeholders' knowledge and perspectives. Still, it does not have an accurate correlation with stakeholders' attitudes.Keywords: Watershed, Deli, Management, Gap Analysis, Correlation
FLOW ENGINEERING TO REMEDIATE CONTAMINATED WATER QUALITY DUE TO DOMESTIC WASTE DISPOSAL IN BELIK RIVER, YOGYAKARTA Slamet Suprayogi; Aulia Nur Fitriyani; Venny Vivid Fadhilah
JURNAL GEOGRAFI Vol 14, No 1 (2022): JURNAL GEOGRAFI
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jg.v14i1.27738

Abstract

The Belik River Basin is located in an urban area and is affected by rapid population growth. Belik River flows from north of the UGM campus (Karangwuni Subvillage in Caturtunggal, Depok, Sleman) to Umbulharjo District then feeds into Gajah wong River before emptying into Opak River. This study sought to examine the effects of flow engineering on the quality of domestic waste-contaminated waters. The flow engineering is in the form of a small weir or pile of stones aiming to elevate the upstream water level and create a free fall or plunge that aerates the overflowing water. The water was sampled from four river segments twice: upstream and downstream of the designed weir. Water sampling from one element to the next factored in water travel time and settlement density in the surroundings with the assumption that these factors would produce different concentrations of domestic waste. The water quality parameters tested were D.O., BOD, COD, phosphate, nitrate, ammonia, and iron. The results showed that the flow engineering improved water quality in the four segments differently, as evident from some of the decreased or increased parameter values after the plunge. These different effects are influenced by the number of sources of domestic waste pollutants and the dominant land use in each segment. Keywords: Belik River, Small Weir, Aeration
COMPARISON OF SPLIT WINDOWS ALGORITHM AND PLANCK METHODS FOR SURFACE TEMPERATURE ESTIMATION BASED ON REMOTE SENSING DATA IN SEMARANG Siti Zahrotunisa; Projo Danoedoro; Sanjiwana Arjasakusuma
JURNAL GEOGRAFI Vol 14, No 1 (2022): JURNAL GEOGRAFI
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jg.v14i1.24603

Abstract

Surface temperature is one of the parameters in land–surface physical processes and is applied to global warming, climate change, and cycle hydrology. Two thermal bands in Landsat 8 imagery can be used as input for surface temperature extraction using the Split Windows Algorithm (SWA) and Planck method. This study aims to compare surface temperature estimates using the SWA and Planck methods and determine the surface temperature distribution based on the condition of land cover and its changes. The remote sensing data used are Landsat-8 OLI/TIRS Aqua MODIS images on August 27, 2013, and October 1, 2020. The results showed that Landsat 8 could obtain land cover information with an accuracy of 90% in 2013 and 91% in 2020. Planck surface temperature in 2013 was 1-3°C higher than SWA, while in 2020, Planck was 0.001-0.05°C lower than SWA but had similar distribution and pattern. The vegetation in the study area's central and south sides has a lower surface temperature than the built-up area on the north side. Land cover changes from non-built up to build-up area cause surface temperatures to increase. Each land cover has a different emissivity value and affects the surface temperature value, i.e., the lower the emissivity, the higher the surface temperature. The emissivity with surface temperature has a pearson correlation value ≥-0.8**.Keywords: Surface Temperature, Split Windows Algorithm, Planck

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