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All Journal Jurnal Geografi J SIG (Jurnal Sains Informasi Geografi)
Ghina Yusriyyah Salma
Universitas Pendidikan Indonesia
Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Education Energy Environmental Science Social Sciences Other

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IDENTIFIKASI KERAPATAN TUTUPAN MANGROVE PULAU GUSUNG MENGGUNAKAN CITRA LANDSAT 8 Ghina Yusriyyah Salma; Adhil Nur Muhammad; Raihan Cahara Winaya Adiwiria; Riki Ridwana; Lili Somantri
Jurnal Sains Informasi Geografi (J SIG) Vol 5, No 1 (2022): Edisi Mei
Publisher : Universitas Muhammadiyah Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31314/jsig.v5i1.1301

Abstract

Mangrove forest is one of the ecosystems that live in coastal areas and has a muddy substrate. Mangroves have an important role in maintaining water productivity and supporting the life of Indonesia's coastal areas. However, the increasing desire to convert or exploit mangrove forests can trigger a periodic decline in the number of mangrove forests, which will result in changes in the environment of coastal ecosystems, and have an impact on physical, biological and economic decline. This research objective is to analyze changes in mangrove forests using remote sensing data. The study used data for 2015 and 2019, which are located in the coastal mangrove forest of Gusung Island Bontoharu Subdistrict, Selayar Islands Regency, South Sulawesi Province. Normalized Difference Vegetation Index (NDVI) formula is used to calculate and classify in obtaining land cover. The results showed that the mangrove forest in the coastal area of Gusung Island experienced an increase in vegetation density. This can be an example for other areas so that mangrove forests need to be preserved and protected from damage.
Vegetation and Built-Up Area Monitoring in Bandung City Using Multitemporal Imagery Shafira Himayah; Zidan Ramadhan; Ghina Yusriyyah Salma
JURNAL GEOGRAFI Vol 15, No 1 (2023): JURNAL GEOGRAFI
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jg.v15i1.42656

Abstract

Bandung is West Java's largest metropolitan city and Indonesia's third largest. The city of Bandung is very strategic in various aspects, such as accessibility, communication, public facilities, and the economy. The Increased population in Bandung indicates more complex ongoing human activities, which can then affect changes in land use. The land covers in urban areas tends to change more drastically over a short period e than in rural areas because of rapid urbanization. Therefore, urban phenomenon changes are ideally monitored and detected from satellite images with a multitemporal resolution. Vegetation greenness and built-up areas can identify through multitemporal remote sensing imagery. Changes in vegetation and built-up area can monitor using remote sensing with multitemporal imagery. The analysis of changes in vegetation and built-up area studied in Bandung City represents an area with rapid population growth. This study aims to: 1) Identify changes in vegetation greenness in Bandung City between 2014 and 2021, 2) Identify built-up area changes in Bandung City between 2014 and 2021, 3) Analyze the relevance between vegetation greenness and the built-up area in Bandung City—the correlation between NDBI and NDVI through selected samples is representative of all data in Landsat 8 imagery. The proportion between the values of NDBI and NDVI samples is 0.9034. So, it is concluded that the two variables are positively correlated. Therefore, the study’s results recommend preserving vegetated land cover to conserve natural resources and prevent increased land surface temperature.Keywords: Remote Sensing Imagery, Built-Up Area, Vegetation Greenness, Bandung City
Co-Authors Adhil Nur Muhammad Himayah, Shafira Lili Somantri Raihan Cahara Winaya Adiwiria Riki Ridwana Zidan Ramadhan