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INDONESIA
Jurnal Geografi LIngkungan Tropik (Journal of Geography of Tropical Environments)
Published by Universitas Indonesia
ISSN : -     EISSN : 25979949     DOI : 10.7454/jglitrop
Core Subject : Science,
Earth & Planetary Sciences
JGLITROP is a scientific journal published by Department of Geography at the University of Indonesia focuses on the application of Geography in tropical environment. The focus of the issues consist of: Physical Geography Human Geography Remote Sensing Geographic Information System Environmental Sciences Multidiscipline/Others
Arjuna Subject : Ilmu Bumi dan Planet (semua kategori) - Ilmu Bumi dan Planet (Lain-Lain)
Articles 70 Documents
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KNOWLEDGE AND PRACTICE ON PEST MANAGEMENT OF ETHNIC POTATO FARMERS IN SOUTHERN SHAN STATE, MYANMAR Aung, Pyae Pa Pa; Visetnoi, Supawan
Jurnal Geografi Lingkungan Tropik (Journal of Geography of Tropical Environments) Vol. 6, No. 2
Publisher : UI Scholars Hub

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Potato is cultivated as the main tuber crop which is essential for ethnic farmers’ household income in Southern Shan State, Myanmar. Most ethnic farmers use chemicals widely to enhance crop yield and reduce pests. Overuse and misuse of pesticides could lead to a series of health impacts and environmental issues. The main aim of the study is to explore farmers’ current practices and knowledge level on pesticides in potato production. The participants of 100 farmers were chosen from each village with a cluster and purposive sampling technique using structured questionnaires to collect the data from a village in Kalaw Township. The finding showed that 72% of farmers use only chemical pesticides due to more effective and received training from pesticide companies’ staff and whereas only 3% received information from governmental officials. Reasons to use alternative methods, types of alternative methods and where farmers learned alternative methods were significantly related to pest control methods. Farm experience in farmers was not associated with pest control methods. This study will help extension workers to provide appropriate training and improve farmers’ knowledge of pest control management for the highland crop.
SURFACE URBAN COOL ISLAND ASSESSMENT IN VILLAGE-LEVEL TOURISM DESTINATIONS USING GIS AND PRINCIPAL COMPONENT ANALYSIS Hernina, Revi; Wicaksono, Arif
Jurnal Geografi Lingkungan Tropik (Journal of Geography of Tropical Environments)
Publisher : UI Scholars Hub

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This study describes the process to generate classification of village-level tourism destinations known as kampung tematik in Bogor Municipality based on values from Surface Urban Cool Island (SUCI), Urban Index (UI) < -0.2, Normalized Difference Vegetation Index (NDVI) >0.3, and Normalized Difference Built-up Index (NDBI) < 0. SUCI values represent the cool temperature which usually associated with heavy greenery and dense vegetation, while UI < - 0.2, NDVI > 0.3, and NDBI < 0 are associated with dense and healthy vegetation. Herein, Band 10 from Landsat 8 was processed to derive land surface temperature (LST) and further, SUCI image was derived from LST image by employing SUCI algorithm. All three variables namely NDVI, NDBI, and UI were also processed from Landsat 8 dated to 24 May 2020. These four images of SUCI, NDVI, NDBI, and UI were superimposed with 39 kampung tematik locations which resulted in 14 locations having non-zero values. The values from four variables in 14 locations were inputted into Principal component Analysis (PCA) using R software version 4.1.3. PCA result shows there are four groups of locations based on variables representing cool island and dense vegetation namely, locations with area percentage of SUCI < 10% (Group 1), low values in three variables (Group 2), high values in two variables (Group 3), and high values in three variables (Group 4).
IDENTIFICATION OF PHYSICAL AND SOCIAL POTENTIAL FOR ECOTOURISM DEVELOPMENT IN NEGLASARI VILLAGE, SUKABUMI REGENCY USING REMOTE SENSING AND GEOGRAPHICAL INFORMATION SYSTEMS Pin, Tjiong Giok; Wibowo, Adi; Alya, Haura Hazema; Nastiti, Afifa Ayu
Jurnal Geografi Lingkungan Tropik (Journal of Geography of Tropical Environments) Vol. 8, No. 1
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Identification of physical and social potential needs to be done so that it can be developed as an ecotourism object that has a role in improving the economy of a region. Physical and social potential data can be obtained and interpreted from satellite imagery using remote sensing which is then verified through surveys and direct measurements in the field using GPS and digital maps. Data analysis was performed using the overlay method in GIS. Remote sensing methods using satellite imagery have proven to be superior for obtaining information on an area effectively and sustainably. Landsat imagery 8 and 9 are used to periodically monitor changes in the physical condition of the Neglasari Village area so that they can be used for analysis of the carrying capacity of the environment for ecotourism. The use of the NDVI, NDBI and NDWI algorithms produces suitability for developing ecotourism objects. Attractive and interesting physical and social potential to be developed as an ecotourism object are river channels, hilltops, camping grounds, and agricultural land. All these interesting objects have the potential to support sustainable ecotourism in Neglasari Village.
SURFACE URBAN COOL ISLAND ASSESSMENT IN VILLAGE-LEVEL TOURISM DESTINATIONS USING GIS AND PRINCIPAL COMPONENT ANALYSIS Hernina, Revi; Wicaksono, Arif
Jurnal Geografi Lingkungan Tropik (Journal of Geography of Tropical Environments) Vol. 8, No. 1
Publisher : UI Scholars Hub

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Abstract

This study describes the process to generate classification of village-level tourism destinations known as kampung tematik in Bogor Municipality based on values from Surface Urban Cool Island (SUCI), Normalized Difference Built-up Index (NDBI) ≤ -0.17, Normalized Difference Vegetation Index (NDVI) > 0.3, and Urban Index (UI) < -0.2. SUCI values represent the cool temperature, while NDBI ≤ -0.17, NDVI > 0.3, and UI < -0.2 are associated with dense and healthy vegetation. Herein, Band 10 from Landsat 8 was processed to generate land surface temperature (LST) and further, SUCI image was derived from LST image by employing SUCI algorithm. All three variables, namely NDVI, NDBI, and UI were also processed from Landsat 8 with date 24 May 2020. These four variables of SUCI, NDVI, NDBI, and UI image pixels were superimposed with 39 kampung tematik locations using Geographic Information System (GIS) which resulted in 14 locations containing the area percentage from four variables. The values from four variables in 14 locations were inputted into Principal component Analysis (PCA) using R software version 4.1.3. Based on PCA, it reveals that three tourism destinations are classified with area percentage of SUCI less than 50% while the other 11 destinations are classified with area percentage of SUCI more than 50%. In addition, characteristics of tourism destinations with SUCI area percentage less than 50% are identified to have low area percentage of NDBI ≤ -0.17, NDVI > 0.3, and UI < -0.2.
COMPARATIVE ANALYSIS OF LAND SURFACE TEMPERATURE BETWEEN OIL PALM PLANTATIONS AND RICE PADDIES IN SOUTHERN SUMATRA ISLAND Putra, I Kadek Yoga Dwi; K, Muhammad Qabus Abid; P, Cindy Adria A.; Kusratmoko, Eko
Jurnal Geografi Lingkungan Tropik (Journal of Geography of Tropical Environments) Vol. 8, No. 1
Publisher : UI Scholars Hub

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Land Surface Temperature (LST) is a vital metric for understanding thermal dynamics and environmental impacts of land cover types. Influenced by land use, vegetation, and elevation, LST helps assess ecological changes and human impacts on surface temperatures. This study investigates LST variations between oil palm plantations and rice paddies in southern Sumatra, Indonesia, using Landsat 8 remote sensing data. The aim is to compare the thermal characteristics of these dominant agricultural landscapes across elevation gradients (0–1250 meters above sea level). Results reveal significant LST differences: rice fields generally show higher LST values at lower elevations, while oil palm plantations have elevated LST at mid-elevations. Statistical analyses indicate that, on average, oil palm plantations exhibit a slightly lower LST than rice fields, with a difference of 0.093°C, likely due to higher albedo and reduced evapotranspiration. These findings highlight the complex relationship between land cover and elevation in affecting LST patterns. The insights gained are essential for sustainable land management policies that seek to balance agricultural productivity with environmental conservation. This research deepens our understanding of LST dynamics in agricultural landscapes, providing valuable data for policymakers and land managers.
SMCE MODEL FOR COMMERCIAL AREAS SUITABILITY IN SERANG CITY Muafiroh, Salsa; Wibowo, Adi
Jurnal Geografi Lingkungan Tropik (Journal of Geography of Tropical Environments) Vol. 6, No. 2
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Commercial areas refer to specific zones designated for business activities, such as trade, retail, and industry, which play a critical role in supporting regional economic development. In the case of Serang City, the government has planned its development as a hub for commerce and industry. However, selecting an optimal location for commercial areas involves addressing challenges related to multiple criteria and alternative options, each with varying advantages and trade-offs, which often complicates the decision-making process. This research aims to analyze spatial modeling using simulations based on the Spatial Multi-Criteria Evaluation (SMCE) method, supported by ILWIS software to determine the most suitable locations. The results indicate that simulations A, B, C, and D effectively identify areas suitable for commercial development. Among these, simulation C, which emphasizes carrying capacity and land use variables, proved most accurate, identifying a potential area of 7,042.02 hectares across Serang and Cipokjaya Regencies. The study concludes that the SMCE method offers a robust framework for developing simulation models that assist in policy decision-making. Future research is recommended to incorporate additional parameters to enhance the precision and comprehensiveness of determining the best commercial locations
AN ANALYSIS OF VERTICAL DEFORMATION ON CIANJUR EARTHQUAKE 2022 Nurlukman, Candra Perkasa; Wibowo, Adi
Jurnal Geografi Lingkungan Tropik (Journal of Geography of Tropical Environments) Vol. 8, No. 1
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A shallow crustal-type earthquake on a surface fault occurred on November 21, 2022, in Cianjur, West Java. This destructive earthquake resulted in a loss of life, many houses were damaged, and landslides at several points. So, the research was analyzed using the DInSAR method to see the deformation and its relationship with the existing conditions in the field. We get the result of a vertical subsidence in the earthquake area of up to 101 millimeters. Through the distribution of displacement results, we found no overlapping faults at that location, identifying the formation of a new fault. In the distribution area of land subsidence, which overlaps with the location of the landslide occurrence, we also analyze the relationship between soil type and elevation, which may be related. With the data on affected buildings from BNPB, we analyze that around 44.4% of the total lightly damaged houses, 31.1% of the total moderately damaged houses, and 24.5% of the total heavily damaged houses are in the displacement distribution. Many factors cause damage to homes, but in this case, we can conclude that DInSAR analysis can see the deformation of the earth's surface.
SPATIAL PATTERN OF TROPICAL CYCLONE IN SOUTH INDONESIA DURING 1990-2023 Nur, Agus Salim; Wibowo, Adi; Supriatna, Supriatna, Department of Geography, Faculty of Mathematics and Natural Sciences, Universi; Tampubolon, Stefanus Binoto
Jurnal Geografi Lingkungan Tropik (Journal of Geography of Tropical Environments) Vol. 8, No. 2
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Tropical cyclones are one of the most destructive weather phenomena because they pose three main dangers: heavy rainfall, strong winds, and storm surge. The occurrence of tropical cyclones is expected to increase both in terms of intensity and geographical spread due to climate change. Indonesia, located around the equator with a low Coriolis force, was previously considered safe from tropical cyclones. This study aims to examine the spatial pattern of tropical cyclones in the southern part of Indonesia during the period from 1990 to 2023 to understand the extent to which tropical cyclones can occur near the equator. The analysis of tropical cyclone data was conducted using satellite imagery and the Dvorak analysis method. The dates and positions (latitude and longitude) were extracted using GIS. The results show that the spatial pattern of tropical cyclones in southern Indonesia between 1990 and 2023 indicates that cyclones are more prevalent in the eastern region of Indonesia (Indian Ocean south of Nusa Tenggara, Timor Sea, Sawu Sea, Arafura Sea, and the Gulf of Carpentaria). Out of a total of 217 tropical cyclones in southern Indonesia, 113 (52%) formed in the eastern region, while 104 (48%) developed in the western region (Indian Ocean southwest of Sumatra to south of Bali). Of the 217 tropical cyclones that formed in southern Indonesia, 44 occurred at latitudes ≤ 11° S, or within Indonesian territory, with 29 (66%) forming in the western region and 15 (34%) in the eastern region of Indonesia. The results conclude that the spatial pattern of tropical cyclones has been updated compared to the previous theory, which stated that Indonesia was a cyclone-free zone due to its location less than 10° from the equator.
VERTICAL AND HORIZONTAL TURBIDITY VARIATION ACROSS CORAL REEF HABITATS IN DERAWAN ISLAND: AN IN-DEPTH ANALYSIS USING AAQ RINKO WATER QUALITY PROFILER Pamungkas, Fajar Dwi; Manessa, Masita Dwi Mandini; Supriatna, Supriatna; Efriana, Feby; Ayu, Farida; Susetyo, Novi Adi; Setiawan, Kuncoro Teguh; Gunawan, Dino; Mukhtar, Mutia Kamalia; Maulidina, Kintan; Haidar, Muhammad
Jurnal Geografi Lingkungan Tropik (Journal of Geography of Tropical Environments) Vol. 8, No. 1
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THE IMPACT OF AGRICULTURAL LAND CONVERSION ON THE ECONOMY AND SPACE UTILIZATION IN JATIMULYO AND WAY HUWI VILLAGES, SOUTH LAMPUNG REGENCY, LAMPUNG PROVINCE Rahman, Yudha; Asbi, Adnin Musadri; Maharani, Annisa; Ramadhan, Khalid Ahmad
Jurnal Geografi Lingkungan Tropik (Journal of Geography of Tropical Environments) Vol. 9, No. 1
Publisher : UI Scholars Hub

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