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All Journal Jurnal Pembangunan Pendidikan: Fondasi dan Aplikasi Cakrawala Pendidikan Jurnal Kependidikan: Penelitian Inovasi Pembelajaran COPE Jurnal Penelitian Saintek Jurnal Penelitian Humaniora INFORMASI Geo Media: Majalah Ilmiah dan Informasi Kegeografian Jurnal Pendidikan Geografi: Kajian, Teori, dan Praktik dalam Bidang Pendidikan dan Ilmu Geografi Jurnal Geografi JURNAL GEOGRAFI Geografi dan Pengajarannya Jurnal Samudra Geografi Gudang Jurnal Multidisiplin Ilmu International Journal of Geography, Social, and Multicultural Education (IJGSME) Geosfera Indonesia
Dyah Respati Suryo Sumunar
Universitas Negeri Yogyakarta
Religion Aerospace Engineering Arts Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Physics Public Health Social Sciences Other

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THE ESTIMATION OF FLOOD-AFFECTED AREA IN THE DOWNSTREAM OF CODE RIVER, YOGYAKARTA, INDONESIA Suhadi Purwantara; Arif Ashari; Dyah Respati Suryo Sumunar; Nurul Khotimah
JURNAL GEOGRAFI Vol 14, No 2 (2022): JURNAL GEOGRAFI
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jg.v14i2.34651

Abstract

The rapid development of settlements and sediment deposition has increasingly narrowed the drainage in the Code River. This condition causes floods and wider distribution of the affected areas. This research aims to estimate the maximum amount of rain, predict the probability of flood, and predict flood-prone areas in the Code River. Data were collected by observation, remote sensing image interpretations, literature studies, and documentation. Data analysis was performed using Log Pearson Type III for design rainfall analysis, Weibull formula for flood probability analysis, and rational method for planning maximum discharge analysis. Flood modeling is carried out by the iteration method. The results show: (1) the maximum amount of rain based on the calculated design rainfall with a return period of 5 to 40 years is R5 = 106.83 mm, R10 = 116.67 mm, R20 = 127.30 mm, R40 = 134.25 mm, (2) the probability of flood that is predicted from the maximum discharge caused by the design rainfall at each return period is Q5 = 82.45 m3/sec, Q10 = 89.42 m3/sec, Q20 = 96.95 m3/sec, Q40 = 101.86 m3/sec. (3) Inundation of the flood target area in the 5-year return period covers an area of 0.4456 km2, the 10-year return period covers 0.5209 km2, the 20-year return period covers 0.6023 km2, the 40-year return period covers 0.6555 km2. This paper presents information on the potential for a flood at various return periods to increase preparedness and reduce risks due to flood disasters.Keywords: Disaster, Floods, Estimated Flood-Affected Areas, Code River, Yogyakarta
Pemanfaatan Geogle Earth Engine Untuk Identifikasi Perubahan Suhu Permukaan Daratan Kabupaten Buru Selatan Berbasis Cloud Computing Fekry Salim Hehanussa; Dyah Respati Suryo Sumunar; Heinrich Rakuasa
Gudang Jurnal Multidisiplin Ilmu Vol. 1 No. 1 (2023): GJMI - JULI
Publisher : PT. Gudang Pustaka Cendekia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59435/gjmi.v1i1.27

Abstract

Perubahan suhu permukaan daratan menjadi isu kritis dalam menghadapi perubahan iklim global. Kabupaten Buru Selatan, sebagai salah satu wilayah yang rawan terhadap dampak perubahan iklim, membutuhkan penanganan yang tepat untuk mengidentifikasi dan memahami perubahan suhu permukaan daratan secara efisien. Penelitian ini menggunakan Google Earth Engine sebagai platform cloud computing untuk mengidentifikasi perubahan suhu permukaan daratan di Kabupaten Buru Selatan. Data citra satelit MODIS digunakan untuk analisis perubahan suhu permukaan pad tahun 2018 dan 2023. Pendekatan pemrosesan citra berbasis cloud computing memungkinkan analisis data yang cepat dan akurat tanpa memerlukan spesifikasi leptop atau komputer yang tinggi. Hasil penelitian menunjukan bahwa pada tahun 2018 suhu permukaan daratan Kabupaten Buru Selatan dimana suhu terendah yaitu 13, 027℃ dan tertinggi yaitu 29, 138℃ dan mengalami peningkatan suhu ditahun 2023 yaitu 14,143℃ pada suhu terendah dan 33,955℃ pada suhu permukaan tertinggi. Hasil penelitian menunjukan bahwa terjadi peningkatan suhu permukaan daratan di Kabupaten Buru Selatan. Suhu permukaan di di Kabupaten Buru Selatan mengalami peningkatan yang sangat singnifikan di Kecamatan Leksula, Namrole dan Kecamatan Waesama, hal ini disebabkan oleh meningkatnya ekspansi lahan permukiman disana Hasil penelitian ini diharapkan dapat membantu dalam upaya mengatasi dampak perubahan iklim di Kabupaten Buru Selatan dan memberikan kontribusi pada pemahaman global tentang perubahan iklim yang terjadi.
Opak-Progo watershed’s potential for geography experiential learning Mukminan Mukminan; Arif Ashari; Suhadi Purwantara; Dyah Respati Suryo Sumunar
Jurnal Pendidikan Geografi: Kajian, Teori, dan Praktek dalam Bidang Pendidikan dan Ilmu Geografi Vol 29, No 1 (2024)
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um017v29i12024p78-94

Abstract

The implementation of learning innovation is crucial for 21st-century education, particularly for Generation Z and Alpha students. Additionally, experimental learning (EL) is highly beneficial for learning geography, especially on the topic of geography research. This study evaluates the potential of the Opak and Progo Watersheds as a geography laboratory. This research was conducted with a spatial approach. Data were collected by observation, literature study, interpretation of remote sensing imagery, and documentation. The garnered data were analyzed by matching, scoring, and statistical analysis. A descriptive analysis was performed to support these analyses. The results show that the Opak and Progo watersheds have the potential for learning geography. This potential is inseparable from its heterogeneity of geological, geomorphological, meteorological, and hydrological conditions. The upstream area presents more potential because it has more complex conditions, indicated by the significant difference between the upstream and downstream areas in each watershed, as well as the variation between the four sample locations covering the two watersheds. In sum, this study offers novel insights into the potential of the area for natural laboratories for geography studies, especially the laboratories based on watersheds. This study also provides alternative information regarding watershed areas as a geography learning resource.
Utilization of Twitter Data in Deforestation Countermeasures in Pujon District, Malang Regency Kurniawati, Risa Amalia Kurniawati; Nursida Arif; Bambang Syaeful Hadi; Hastuti; Dyah Respati Suryo Sumunar
International Journal of Geography, Social, and Multicultural Education Vol. 2 No. 2 (2024): 1 October 2024
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/ijgsme.v2n2.p47-55

Abstract

Big data such as Twitter data has been widely used in social science studies, but its use in deforestation studies is still rare in Indonesia. Therefore, the purpose of this research is to find out what information can be identified through Twitter social media data. The data used in this research is quantitative Twitter data. The geotagged Twitter data was also visualized in the form of maps to help the description analysis process, which is the main analysis in this study. The results of this study show that Twitter deforestation in Pujon Sub-district, Malang Regency has an impact on the surrounding vegetation and hydrological conditions. In the implementation of deforestation countermeasures, we argue that Twitter data can be used in all phases. Twitter data in deforestation countermeasures especially its influence on vegetation and hydrology conditions. Another weakness is that the information from the Twitter data is not certain whether it represents the same demographic characteristics as the conditions in the field and the level of validity of the information that cannot be accounted for yet.
Challenges of the first six months COVID-19 among students : an Experience at Yogyakarta State University Prasastiawati, Diana; Andhika, Muhammad; Sumunar, Dyah Respati Suryo
Geomedia Majalah Ilmiah dan Informasi Kegeografian Vol. 22 No. 2 (2024): Geo Media: Majalah Ilmiah dan Informasi Kegeografian
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/gm.v22i2.77314

Abstract

Students and residents who live in residential areas around the campus are one of the groups vulnerable to the spread of COVID-19. This study aims to analyze the level of anticipation of vulnerability and capacity in  Yogyakarta in facing the threat of COVID-19 This research is categorized as quantitative research, with a research sample of 395 students of Yogyakarta State University. The survey method through questionnaires was used to collect primary data in the form of community vulnerability and student capacity. The research sampling technique in this research is using purposive sampling technique. The validity used is content validity and construct validity. The results of the reliability analysis of this study are 0.95 for Likert scale items (Cronbach Alpha), 0.708 for Guttman scale items (KR-20), and 0.575 for multiple choice items (Split-Half Coefficient). The results showed that in general the score of anticipating the vulnerability of Universitas Negeri Yogyakarta to the threat of COVID-19 reached 69.98% (good category). The level of capacity of students in dealing with the threat of COVID-19 is also classified as good (90.76%).
THE EFFECT OF THE USE OF INTERACTIVE MULTIMEDIA ON THE IMPROVEMENT OF GEOGRAPHY LEARNING ACHIEVEMENT M. Kurniawan Arif Syaefulloh; Dyah Respati Suryo Sumunar
Geosfera Indonesia Vol. 2 No. 1 (2018): GEOSFERA INDONESIA
Publisher : Department of Geography Education, University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/geosi.v2i1.7470

Abstract

Abstract This research aimed to discover the effect of using interactive multimedia on the improvement of (2) geography learning achievement, and (2) learning interest of Grade students IPS of MA El Bayan Majenang. This study was a quasi-experiment using the quantitative approach. The population was 106 grade XI students IPS. A sample of 36 students was established the cluster sampling technique. The data collection used an achievement test, questionnaire on interest in learning, observation and documentation. The data analysis technique used was the inferential statistical technique. The hypothesis testing was performed using the MANOVA test with SPSS 20 program. The results of the study were follows. (1) the error rate (p) geography learning result was 0.009. Because it was smaller than 0.05, there was an effect of the use of interactive multimedia on the achievement of geography learning.(2) the level of error (p) interest in learning was 0.00. Because it was smaller than 0.05, there was an effect of the use of interactive multimedia on the improvement of students' learning interest (3) From MANOVA statistic test, it could concluded that there was an improvement in geography learning achievement and interest of the students before and after the treatment as the experimental class with the average increase of 35.55 and 11.55 respectively. While the improvement of geography learning achievement and interest in learning of the control class was averagely 29.02 and 2.86 respectively. Keywords : Interactive multimedia, Geography Learning Achievement, interest in learning Copyright (c) 2018 Geosfera Indonesia Journal and Department of Geography Education, University of Jember Copyright Notice This work is licensed under a Creative Commons Attribution-Share A like 4.0 International License
Flood Vulnerability Mapping Using Geographic Information System (GIS) in Gajah Wong Sub Watershed, Yogyakarta County Province A. Ardiansyah; Dyah Respati Suryo Sumunar
Geosfera Indonesia Vol. 5 No. 1 (2020): GEOSFERA INDONESIA
Publisher : Department of Geography Education, University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/geosi.v5i1.9959

Abstract

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 weighting 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
PERAN STRATEGIS PEMUDA DALAM MITIGASI BENCANA DI INDONESIA: A SYSTEMATIC LITERATURE REVIEW Yonatan Yolius Anggara; Dyah Respati Suryo Sumunar; Nursida Arif; Rosyid Shidiq Hidayatulloh
Jurnal Samudra Geografi Vol 8 No 2 (2025)
Publisher : Program Studi Pendidikan Geografi, Fakultas Keguruan dan Ilmu Pendidikan, Universitas Samudra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33059/jsg.v8i2.11383

Abstract

Abstract: Indonesia, as a disaster-prone country, requires effective disaster mitigation efforts. Youth participation in disaster mitigation has increased significantly over the past few decades, marked by their involvement in various preparedness activities and policy advocacy. This study aims to identify, analyze, and summarize the contributions of youth in disaster mitigation, as well as explore the supporting factors and challenges they face, through a systematic literature review. The findings indicate that youth play an important role across several scales: individual scale, pre-disaster, during disaster, post-disaster, and community scale. The factors driving youth involvement include system support, individual capacity, as well as motivation and active participation. However, there are challenges that hinder youth engagement, such as limited resources, system weaknesses, and a lack of awareness and participation from the community. This study recommends developing community-based disaster mitigation and utilizing social media as a campaign tool. These findings underscore the importance of empowering youth to play an active role in disaster mitigation in a more structured and sustainable manner.
THE UNPREPAREDNESS OF FARMERS IN FACING FLOOD DISASTER RISKS AS AN IMPACT OF CLIMATE CHANGE: A CASE STUDY IN BALONG, PONOROGO Anggara, Yonatan Yolius; Sumunar, Dyah Respati Suryo; Khotimah, Nurul; Arif, Nursida
JURNAL GEOGRAFI Geografi dan Pengajarannya Vol 23 No 1 (2025): JURNAL GEOGRAFI Geografi dan Pengajarannya
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jggp.v23n1.p183-196

Abstract

Climate change-induced floods have significantly impacted agriculture in several villages of Balong Subdistrict, Ponorogo Regency. This study aims to (1) assess flood impacts on agricultural systems, (2) analyze farmers' unpreparedness for climate change, and (3) evaluate government policy responses in supporting flood resilience. Using a qualitative case study approach, data was collected through interviews with 13 farmers, 1 village head, 1 agricultural office staff, and 1 irrigation officer, supplemented by field observations and document analysis. Findings reveal 156 hectares of crops destroyed, with farmers maintaining traditional practices despite climate variability. Most farmers perceived floods as natural events rather than climate change consequences, while government responses emphasized reactive measures over long-term adaptation strategies. The study provides practical recommendations for integrated flood adaptation combining infrastructure improvement, farmer education, and policy reform. These findings offer valuable insights for enhancing climate resilience in flood-prone agricultural areas across Indonesia. Keywords: Climate Change Adaptation, Ponorogo, Flood Risk Disaster Management
Analyzing Public Sentiment on The 2024 'Galodo' Disaster Using Natural Language Processing (NLP) Yonatan Yolius Anggara; Dyah Respati Suryo Sumunar; Nurul Khotimah; Rosyid Shidiq Hidayatulloh
International Journal of Geography, Social, and Multicultural Education Vol. 3 No. 2 (2025): 1 October 2025
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/ijgsme.v3n2.p1-12

Abstract

This study investigates public sentiment during flash floods (Galodo) in West Sumatra by analyzing Twitter data using Natural Language Processing (NLP) via text2data.com. The research applies Latent Dirichlet Allocation (LDA) for topic modeling to identify dominant themes in public discussions. Findings indicate that 97.9% of sentiments expressed were positive, primarily centered on disaster impacts, situational updates, flood causes, and community reactions to government-led disaster management efforts. The study underscores social media’s influence in shaping public discourse during crises. A key contribution of this research is its integration of LDA-based topic modeling with sentiment analysis, specifically targeting Twitter discussions on flash floods in West Sumatra. This methodological approach offers valuable insights into how communities communicate and perceive natural disasters through digital platforms. The results suggest that social media fosters constructive dialogue during environmental emergencies, which can inform crisis communication strategies and enhance disaster response policies. By examining public sentiment and discussion trends, the study highlights the potential of social media analytics for improving disaster management frameworks. The predominance of positive sentiments reflects community resilience and engagement, providing policymakers with data-driven perspectives to optimize emergency responses. This research advances understanding of digital communication patterns during disasters, demonstrating the utility of NLP and topic modeling in crisis-related social media analysis.Ultimately, the findings emphasize the importance of leveraging social media data to gauge public sentiment, enabling more effective disaster communication and policy adaptations in vulnerable regions like West Sumatra.
Co-Authors - Nurhadi A. Ardiansyah Achmad Fadhilah Akalili Zafirah Syarafina Akhmad Ganang Hasib Akrom, Akrom Aminna Rahmawati Andhika, Muhammad Andika Surya Ardi Anggara, Yonatan Yolius Annisa Eka Nurul Aza arif ashari Aswasulasikin Bambang Syaeful Hadi Ebni Sholikhah Etika Cahyani Etika cahyani Fekry Salim Hehanussa Hastuti Heinrich Rakuasa Herman Dwi Surjono Khirjan Nahdi Kurniawati, Risa Amalia Kurniawati M. Kurniawan Arif Syaefulloh Maulana Azkaa S Mawanti Widyastuti Maya Eka S Mohd Hairy Ibrahim Mukminan Nasir Nayan Nugraho Sistu Prabintoro Nursida Arif nurul khotimah NURUL KHOTIMAH Nurul Khotimah Nurul Khotimah Nurul Khotimah Prasastiawati, Diana Restu Widiatmono Riga Aditya Ariyanto Rosyid Shidiq Hidayatulloh Rukiyati Rukiyati Siti Irene Astuti Dwiningrum Sri Agustin Sutrisnowati Sri Sumardiningsih Sriadi Setyawati Sriadi Setyawati Suhadi Purwantara Suparmini Suparmini Wahyu Nur Afrita Yonatan Yolius Anggara Yusuf Susena