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Nama | : | Prof. Ir. Djoko Legono, Ph.D. |
Bidang Keahlian | : | Hydraulic | |
Membership | : | 1. HATHI (Himpunan Ahli Teknik Hidraulik Indonesia) 2. IAHR (International Association for the History of Religions) |
|
: | djokolegono@ugm.ac.id |
Scopus : https://www.scopus.com/authid/detail.uri?authorId=37063340500
Google Scholar: https://scholar.google.com/citations?user=7z4hKBIAAAAJ&hl=id&oi=ao
LATAR BELAKANG PENDIDIKAN :
Ir. : Teknik Sipil, UGM, Indonesia
Ph.D. : The City University, London, Inggris
PUBLIKASI JURNAL
TAHUN | JUDUL | STATUS | JURNAL | DOI |
---|---|---|---|---|
2022 | Analisis Erosi Buluh pada Dasar Sungai Kuning, Yogyakarta | Jurnal Teknik Sumber Daya Air (JTSDA) | ISSN (print) 2407-1048, ISSN (online) 2962-8105. | |
2022 | Analysis of Flood Discharge due to Impact of Tropical Cyclone | Civil Engineering Journal | 24763055, 26766957 | |
2022 | The Influence of Two Different Time of Concentration Equations on the GIUH-based Flood Hydrograph Estimates of Keduang and Temon Sub-Watersheds, Indonesia | CURRENT APPLIED SCIENCE AND TECHNOLOGY | 25869396 | |
2022 | A COMPARATIVE STUDY OF MISSING RAINFALL DATA ANALYSIS USING THE METHODS OF INVERSED SQUARE DISTANCE AND ARITHMETIC MEAN | ASEAN Engineering Journal | 25869159 | |
2021 | Rainfall Monitoring to Support Temporal and Spatial Information of Debris Flow Initiation in Merapi Volcano | Penulis 3 | International Journal of Integrated Engineering | 2229-838X |
2021 | Estimating Additional Flood Warning Time Using Raindrops Intensity Data Captured By X-Band MP Radar | Penulis 3 | International Journal of GEOMATE | ISSN: 2186-2982 (P), 2186-2990 (O) |
2021 | The Application Of Pyramid Lucas-Kanade Optical Flow Method For Tracking Rain Motion Using High-Resolution Radar Images | Penulis 2 | Jurnal Teknologi (Sciences and Engineering) | 21803722, 01279696 |
2021 | Sensitivitas Hasil Uji Model Fisik terhadap Perbedaan Penggunaan Angka Kekasaran n-Manning | Penulis 2 | FROPIL (Forum Profesional Teknik Sipil) | ISSN : 26211440 | PISSN : 23382791 |
2021 | Curve Number Estimation for Ungauged Watershed in Semi-Arid Region | Penulis 5 | Civil Engineering Journal (C.E.J) | 2476-3055 |
2021 | Rainfall-Runoff Simulation Using HEC-HMS Model in the Benanain Watershed, Timor Island | Journal of the Civil Engineering Forum | 25495925 | |
2021 | Optimization Model of Reservoir Operating Pattern Based on the Adaptive Inflow for Climate Change | Journal of Southwest Jiaotong University | 2582724 | |
2021 | Real-time tephra detection and dispersal forecasting by a ground-based weather | Penulis 8 | Remote Sensing | 2072-4292 |
2021 | Bed-Shear Velocity Measurement in Curved Open Channel | Civil and Environmental Science Journal (CIVENSE) | E-ISSN 2620-6218 | |
2021 | MANAJEMEN SUMBER DAYA AIR TERPADU DALAM SKALA GLOBAL, NASIONAL DAN REGIONAL | Jurnal Teknik Sipil | eISSN : 2775-815X | pISSN : 2089-4953 | |
2020 | The Impacts of Flood and Drought on Food Security in Central Java | Penulis 4 | Journal of The Civil Engineering Forum | 2549-5925 |
2020 | Sustaining Water-Related Heritage Infrastructures as Part of An Integrated Water Resource Management Program | Penulis 2 | Journal of the Civil Engineering Forum | 2581-1037 |
2020 | Mechanism of Seawall Destruction due to Tsunami | Penulis 5 | Science of Tsunami Hazards | 8755-6839 |
2020 | Mechanism of Seawall Destruction due to Tsunami | Penulis 5 | Science Of Tsunami Hazards | 8755-6839 |
2020 | Pembangunan Ruang Terbuka Hijau (RTH) di Kampung Tulung RW. 02 Kota Magelang | Penulis 2 | Community Empowerment | ISSN : 26214024 | PISSN : 26144964 |
2020 | EVALUASI ESTIMASI KOEFISIEN KEKASARAN PADA EKSPERIMEN MODEL FISIK | Jurnal Ilmiah Desain & Konstruksi | eISSN : 2089807X | pISSN | |
2020 | Pembangunan Ruang Terbuka Hijau (RTH) di Kampung Tulung RW.02 Kota Magelang | Community Empowerment (CE) | eISSN : 26214024 | pISSN : 26144964 | |
2020 | Evaluasi Kesesuaian Data Tropical Rainfall Measuring Mission (TRMM) dengan Data Pos Hujan Pada Das Temef di Kabupaten Timor Tengah Selatan | Jurnal Sumber Daya Air | eISSN : 2548494 | pISSN : 19070276 | |
2020 | METODE UJI KETELITIAN UNJUK KERJA ALAT UKUR DENGAN PENERAPAN PERSAMAAN DISTRIBUSI NORMAL (CONTOH KASUS LASER DOPPLER ANEMOMETER) | Jurnal Ilmiah Teknik Sipil | e-ISSN 2541-5484 p-ISSN 1411-1292 | |
2020 | EFEKTIVITAS PENGGELONTORAN SEDIMEN (FLUSHING) STUDI KASUS WADUK PB SOEDIRMAN | Jurnal Teknik Sipil | eISSN : 25492918 | pISSN : 25492918 | |
2020 | Effek Tegangan Geser dan Keseragaman Butiran terhadap Tebal Armour Layer pada Kondisi Statis di Dasar Saluran | Jurnal Teknik Sipil | eISSN : 25492659 | pISSN : 08532982 | |
2019 | Improvement on Numerical Solution of 1-D Flow with Hyper-Concentrated Sediment | Penulis 1 | International Journal of GEOMATE | 2186-2982 Print & 2186-2990 On-line |
2019 | Improving Spatial Rainfall Estimates at Mt. Merapi Area Using Radar-Rain Gauge Conditional Merging | Penulis 2 | Journal of Disaster Research | 18812473 |
2019 | Potensi Wilayah terdampak Keruntuhan Bendungan Matenggeng di Sungai Cijolang | Penulis 3 | Jurnal Geografi Lingkungan Tropik | 2597-9949 |
2019 | Temporal Changes in Runoff Characteristics of Lahars After the 1984 Eruption of Mt. Merapi, Indonesia | Penulis 4 | Journal of Disaster Research | 18812473 |
2019 | X-MP Radar for Developing a Lahar Rainfall threshold for the Merapi Volcano Using a Bayesian Approach | Penulis 5 | Journal of Disaster Research | 18812473 |
2019 | The Effect Of Inception Point On Dissipation Energy In Stepped Spillways Modeling | Penulis 4 | Journal Of Southwest Jiaotong University | 0258-2724 |
2019 | Experimental Study On The Side Channel Spillway And Its Impact On The Jump, Cross Flow And Energy Dissipation | Penulis 1 | Jurnal Teknologi (Sciences and Engineering) | 21803722, 01279696 |
2019 | Analisis Keandalan Data Penakar Hujan Otomatis Sebagai Acuan Koreksi Perkiraan Hujan Radar | Jurnal Teknik Pengairan: Journal of Water Resources Engineering | eISSN : 24776068 | pISSN : 24776068 | |
2019 | Correcting Radar Rainfall Estimates Based on Ground Elevation Function | Journal of the Civil Engineering Forum (JCEF) | eISSN : 25495925 | pISSN : 25495925 | |
2019 | Analisis Transpor Sedimen Serta Pengaruh Aktivitas Penambangan Pada Sungai Sombe, Kota Palu, Sulawesi Tengah | JURNAL TEKNIK PENGAIRAN: JOURNAL OF WATER RESOURCES ENGINEERING | P-ISSN : 24776068 | E-ISSN : 24776068 | |
2019 | Snake Line Performance Applying Single Pixel X-Band MP Radar Data (Case of Mt. Merapi Area, Indonesia) | Journal of the Civil Engineering Forum (JCEF) | eISSN : 25495925 | pISSN : 25495925 | |
2018 | Effects of Disaster Management Programs on Individuals' Preparedness in Mount Merapi | Penulis 2 | Journal of the Civil Engineering Forum | 2581-1037 |
2018 | Strategic Sustainable Management for Water Transmission System: A SWOT-QSPM Analysis | Penulis 2 | Journal of the Civil Engineering Forum | 2581-1037 |
2018 | Study of reservoir sedimentation due to volcanic eruption and its management | Penulis 5 | Dams and Reservoirs | 13681494 - E ISSN : 1756-8404 |
2018 | Analisis Variabilitas Spasial Dan Temporal Curah Hujan Di Wilayah Gunung Merapi | Penulis 3 | Teknisia | E-ISSN : 08538557 | P-ISSN : 08538557 |
2018 | Kajian Angkutan Sedimen Di Sungai Pabelan, Kabupaten Magelang, Jawa Tengah | SEMESTA TEKNIKA | eISSN : 25025481 | pISSN : 25025481 | |
2018 | EMPIRICAL MODEL FOR REMOTE MONITORING OF RAIN-TRIGGERED LAHAR AT MOUNT MERAPI | Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering) | 21875103 | |
2017 | A Numerical Model for the Analysis of Rapid Landslide Motion | Penulis 2 | Geotechnical and Geological Engineering | 9603182 |
2017 | Assessment of Sedimentation in Wlingi and Lodoyo Reservoirs: A Secondary Disaster Following the 2014 Eruption of Mt. Kelud, Indonesia (Hidayat, F; Juwono, P.T., Suharyanto, A. ; Pujiraharjo, A.; Sisinggih, D; Neil, D; Fujita, M.; Sumi, T | Penulis 4 | Journal of Disaster Research | 18812473 |
2017 | Integrating X-MP Radar Data to Estimate Rainfall Induced Debris Flow in the Merapi Volcanic Area | Penulis 3 | Advances in Water Resources | 3091708 |
2017 | Multi-Disaster Risk Analysis of Klaten Regency, Central Java, Indonesia | Penulis 2 | Journal of the Civil Engineering Forum | 2549-5925 |
2017 | Prediction of Dissolved Oxygen on Stepped Spillway with Different Configuration (Dermawan, V ; Krisnayanti, D.S) | Penulis 2 | Jurnal Teknologi | 1279696 |
2017 | Rainfall Threshold for Triggering Debris Flow on Merapi Volcano Area, Yogyakarta, Indonesia | Penulis 1 | AIP Conference Proceedings | 0094243X |
2017 | Sensitivity Analysis of Depth-Integrated Numerical Models for Estimating Landslide Movement (3_ Alfath, M.A. ) | Penulis 2 | Journal of Disaster Research | 18812473 |
2016 | Modeling of Information Flow for Early Warning in Mount Merapi Area, Indonesia ( 1. Cobar, L.J. , 3. Miyamoto, K.) | Penulis 1 | Journal of Disaster Research | ISSN : 18812473 |
PUBLIKASI PROSIDING
TAHUN | JUDUL | STATUS | PROSIDING | TINGKAT |
---|---|---|---|---|
2021 | Analysis of hydraulic sluice gate Sapon – intake in Progo river Special Region of Yogyakarta | Penulis 2 | IOP Conference Series: Earth and Environmental Science, Volume 694 | Internasional |
2021 | MENENTUKAN DISTRIBUSI GRADASI BUTIRAN SEDIMEN DENGAN KOMBINASI TEKNIK AYAKAN DAN TEKNIK DIGITAL FOTO: STUDI KASUS SUNGAI NASIRI SERAM BAGIAN BARAT, MALUKU | Penulis 3 | Prosiding SEMINAR NASIONAL KUALITAS SUMBERDAYA MANUSIA | Nasional |
2021 | Investigation and modelling of the flood control system in the Aerotropolis of Yogyakarta International Airport | IOP Conference Series: Materials Science and Engineering Volume 1173 | Internasional | |
2021 | Flash Flood Characteristics of Ciberang River, Its Impact and Mitigation | Proceeding International Conference of Water Resources Development and Environmental Protection 2021, Volume 930 | Internasional | |
2021 | An Alternative Algorithm for Simulating Flash Flood | Proceeding International Conference of Water Resources Development and Environmental Protection 2021, Volume 930 | Internasional | |
2021 | Flow Behavior of Boyong River as Revealed by Long-term Hydro-monitoring System | Proceeding International Conference of Water Resources Development and Environmental Protection 2021, Volume 930 | Internasional | |
2021 | Simulation of debris flows in the watershed of the Putih River, Indonesia using SIMLAR 2.1 | Proceeding International Conference of Water Resources Development and Environmental Protection 2021, Volume 930 | Internasional | |
2021 | Assessment of Groundwater Vulnerability using COP Method to Support the Groundwater Protection in Karst Area | Proceeding International Conference of Water Resources Development and Environmental Protection 2021, Volume 930 | Internasional | |
2021 | Study on the Performance of the Hydraulics System Planning of Swampy Irrigation Area of Dadahup, Kapuas District, Central Kalimantan Province | Proceeding International Conference of Water Resources Development and Environmental Protection 2021, Volume 930 | Internasional | |
2021 | Environmental flow assessment of Kayan River: managing sustainability indicator of hydropower project | Proceeding International Conference of Water Resources Development and Environmental Protection 2021, Volume 930 | Internasional | |
2021 | Potential Study of Liquefaction in the Downstream Area of Jono Oge-Paneki River, Central Sulawesi | Proceeding International Conference of Water Resources Development and Environmental Protection 2021, Volume 930 | Internasional | |
2021 | Review on Co-factors Triggering Flash Flood Occurrences in Indonesian Small Catchments | Proceeding International Conference of Water Resources Development and Environmental Protection 2021, Volume 930 | Internasional | |
2021 | The Reliability of X-Band Multiparameter Radar Rainfall Estimates | IOP Conference Series: Earth and Environmental Science, vol. 832 | Internasional | |
2021 | The Development of Closure Dike as Countermeasure of Sedimentation in the Wonogiri Reservoir, Indonesia | IOP Conference Series: Earth and Environmental Science, Volume 930 | Internasional | |
2021 | Performance of Flushing Efficiency of Sediment Evacuation from Wlingi and Lodoyo Reservoirs | IOP Conference Series: Earth and Environmental Science, Volume 930 | Internasional | |
2021 | Development of application tools for determining cropping patterns based on water availability | OP Conference Series: Earth and Environmental Science, Volume 794 | ||
2021 | Analysis of hydraulic sluice gate Sapon – intake in Progo river Special Region of Yogyakarta | IOP Conference Series: Earth and Environmental Science, Volume 694, | ||
2020 | Experimental Study on Sediment Trap Capacity of Ring Net Barrier With Varying Basal Openings | Penulis 2 | 5th Annual Applied Science and Engineering Conference (AASEC) 2020 | International |
2020 | Review Kejadian Aliran Debris Di Sungai Leprak Kabupaten Lumajang | Penulis 3 | Konfrensi Nasional Teknik Sipil ke 14 | Nasional |
2020 | Kajian Sediment Delivery Ratio Bendungan Bener Kabupaten Purworejo | Penulis 3 | Prosiding Seminar Nasional Teknik Sipil 10 Tantangan dan Inovasi Teknologi Dalam Menghadapi Kegagalan Konstruksi dan Struktur Bangunan” | Nasional |
2020 | Pengaruh Panjang Terlekat terhadap Kekuatan Lekat Tulangan pada Beton sebagai Perkuatan Eksternal (Near-Surface Mounted) | Penulis 3 | Prosiding Seminar Nasional Teknik Sipil 10 Tantangan dan Inovasi Teknologi Dalam Menghadapi Kegagalan Konstruksi dan Struktur Bangunan” | Nasional |
2020 | Analisis Efektivitas (Awal Dan Durasi) Penggelontoran Sedimen (Flushing) Studi Kasus Waduk Pb Soedirman | Penulis 2 | Nasional | |
2020 | Kapasitas Kontrol Bangunan Pengendali Sedimen (Sabo Dam) Bagian Hulu Sungai Gendol Sebagai Pengendali Aliran Lahar Gunung Merapi | Penulis 2 | Prosiding Civil Engineering, Environmental and Disaster Risk Management Symposium 2020 | Nasional |
2020 | Assessment on the efficiency of sediment flushing due to different timings (a case study of Mrica reservoir, central Java, Indonesia) | Penulis 1 | IOP Conference Series: Earth and Environmental Science, Volume 437 | Internasional |
2020 | Monitoring the rainfall intensity at two active volcanoes in Indonesia and Japan by small-compact X-band radars | Penulis 3 | IOP Conference Series: Earth and Environmental Science, Volume 437 | Internasional |
2020 | Sediment transport pre-measurement as revealed by the hydrophone monitoring technique at a volcanic river | Penulis 3 | IOP Conference Series: Earth and Environmental Science, Volume 437 | Internasional |
2020 | The continuous snake-line method as a potential indicator of warning levels for landslides and lahar disasters | Penulis 3 | IOP Conference Series: Earth and Environmental Science, Volume 437 | Internasional |
2020 | Sensitivity Analysis Of Using Unreliable Rain Gauge Stations For Evaluating The Accuracy Of Radar Rainfall Estimates | Penulis 2 | IOP Conference Series: Earth and Environmental Science, Volume 599 | Internasional |
2020 | Menentukan Distribusi Butiran Sedimen Dengan Mengkombinasikan Teknik Digital Foto Dan Teknik Ayakan | Penulis 3 | Seminar Nasional Kualitas Sumberdaya Manusia | |
2020 | Kebutuhan Air Irigasi di Daerah Irigasi Serayu | Konfrensi Nasional Teknik Sipil ke 14 | Nasional | |
2020 | EVALUASI KONDISI PRASARANA FISIK 15 DAERAH IRIGASI DI SULAWESI TENGAH UNTUK MENDUKUNG PENGAMBILAN KEPUTUSAN PRIORITAS REHABILITASI | Prosiding PIT HATHI ke-36 | Nasional | |
2020 | WATER AVAILABILITY AND RELEASE OF TILONG RESERVOIR AFTER TWO DECADES OF SERVICE | Proceedings HATHI 6th International Seminar on Advancement of Water Resources Management in a Global Challenge | ||
2019 | Flood and Drought Affect Food Security in Central Java | Penulis 3 | Internasional | |
2019 | Analisis Angkutan Sedimen pada Sungai Sombe, Palu, Sulawesi Tengah | Penulis 2 | Civil Engineering and Environmental Symposium 2019 | Nasional |
2019 | Prediksi Umur Waduk Logung Berdasarkan Erosi Lahan dan Hasil Sedimen | Penulis 2 | Civil Engineering and Environmental Symposium 2019 | Nasional |
2019 | Pengaruh Intensitas Hujan, Jangkauan Radar, Dan Topografi Terhadap Perkiraan Hujan Radar X-Band Multiparameter | Penulis 3 | Prosiding Seminar Nasional Pascasarjana, Departemen Teknik Sipil FT-UI, | Nasional |
2019 | Sediment transport pre-measurement as revealed by the hydrophone monitoring technique at a volcanic river | Penulis 2 | IOP Conf. Series: Earth and Environmental Science | Internasional |
2019 | Assessment on the efficiency of sediment flushing due to different timings (a case study of Mrica reservoir, central Java, Indonesia) | Penulis 1 | IOP Conf. Series: Earth and Environmental Science | Internasional |
2019 | Monitoring the rainfall intensity at two active volcanoes in Indonesia and Japan by small-compact X-band radars | Penulis 3 | IOP Conf. Series: Earth and Environmental Science | Internasional |
2018 | A Method for Predicting Debris Flow Occurrence in Volcanic Ash Deposition Areas | Penulis 5 | Proceeding of the 21 st IAHR-APD Congress 2018 ""Multi-Perspective Water For Sustainable Development | Internasional |
2018 | Current Status and Necessary Future Anticipation Against Sedimentation Problem on Five Reservoirs In Central Jawa | Penulis 5 | Proceeding of the 21 st IAHR-APD Congress 2018 "Multi-Perspective Water For Sustainable Development" | Internasional |
2018 | Spatially Distributed Evaluation of Initiation of Mass Erosion | Penulis 3 | Proceeding of the 21 st IAHR-APD Congress 2018 "Multi-Perspective Water For Sustainable Development" | Internasional |
2018 | Statistical Properties of Short-Term Rainfall Time Series as Observed by XMP Radar; Case of MT. Merapi Area | Penulis 2 | Proceeding of the 21 st IAHR-APD Congress 2018 ""Multi-Perspective Water For Sustainable Development | Internasional |
2018 | Study on Hydraulic Flow in Stratified Pipe Performed by Numerical Simulation | Penulis 2 | Conference Applied Mechanics and Materials | Internasional |
2018 | Temporal Changes of Rainfall-Runoff Relationship After the 1984 Eruption of MT. Merapi | Penulis 4 | Proceeding of the 21 st IAHR-APD Congress 2018 "Multi-Perspective Water For Sustainable Development" | Internasional |
2018 | The Necessity of Integrated Monitoring and Simulation in the Water and Sediment Related Disaster Risk Mitigation | Penulis 1 | Proceeding of the 21 st IAHR-APD Congress 2018 "Multi-Perspective Water For Sustainable Development" | Internasional |
2018 | Van Der Wijck Irrigation Channel, a Success Story and its Implication | Penulis 2 | Proceeding of the 21 st IAHR-APD Congress 2018 "Multi-Perspective Water For Sustainable Development" | Internasional |
2018 | Current status and necessary future anticipation against sedimentation problem on five reservoirs in Central Java | Proceedings of the 21st IAHR-APD Congress 2018 | ||
2018 | Statistical properties of short-term rainfall time series as observed by XMP radar (Case of Mt. Merapi area) | Proceedings of the 21st IAHR-APD Congress 2018 | ||
2017 | Pemberdayaan Masyarakat untuk Mendukung Pengurangan Resiko Bencana yang Berkelanjutan | Penulis 2 | Seminar Nasional Pengurangan Risiko Bencana | Nasional |
2017 | Rain Behaviour at Mt. Merapi Area as Observed by XMPR and ARR | Penulis 3 | The 3rd International Conference on Science and Technology ICST 2017 | Internasional |
2017 | Rainfall Threshold for Water and Sediment Disaster | Penulis 1 | 4th World Landslide Forum 2017 | Internasional |
2017 | Sedimentation in Rivers and Reservoirs Following the Eruptions of Kelut Volcano, Indonesia | Penulis 1 | River Sedimentation - Proceedings of the 13th International Symposium on River Sedimentation | Internasional |
2017 | Study on Hydraulic Flow in Stratified Pipe Performed by Numerical Simulation | Penulis 2 | The 3rd International Conference on Science and Technology ICST 2017 | Internasional |
2016 | Bali Island Irrigation System (Subak) - A Heritage of a Sustainable Hydraulics Environment | Penulis 2 | 20th Congress of the Asia Pacific Division of the International Association for Hydro Environment Engineering & Research (IAHR APD 2016) | Internasional |
2016 | Klambu Kudu Water DIstribution Canal for Semarang City | Penulis 1 | Internasional Seminar HATHI Bali 2016 | Internasional |
2016 | Snake Line Characteristic Triggering Lahar Flow Occurrence at MT. Merapi Area | Penulis 1 | Asia Pacific Division of the International Association for Hydro Environment Engineering & Research | Internasional |
2016 | Teknik Evaluasi Perkiraan Hujan Radar terhadap Pengukuran Hujan Permukaan (Ground Rainfall) | Penulis 2 | Prosiding Pertemuan Ilmiah Tahunan (PIT) HATHI XXXIII | Nasional |
PENELITIAN
TAHUN | JUDUL | PENYANDANG DANA | TINGKAT |
---|---|---|---|
2022 | Kajian banjir bandang sungai-sungai di lereng Gunung Merapi bagian barat daya dan selatan | Hibah Penelitian DTSL 2022 | Nasional |
2020 | Pengembangan Metode Analisis Data Hujan Radar untuk Memperpanjang Waktu Peringatan Dini Banjir | Hibah Penelitian Dana DTSL 2020 | Nasional |
2019 | Perangkat Lunak Pemantauan Hujan untuk Peringatan Dini banjir Lahar | Nasional | |
2018 | Kajian Karakteristik Hujan Durasi Pendek Wilayah Lereng Gunung Merapi Berbasis Data Hujan Radar | Anggaran Kemenristekdikti 2018 | Nasional |
2018 | Mitigasi Bencana Banjir dari Udara Berbasis Teknologi Pengolahan Citra menggunakan Pesawat Tanpa Awak | Nasional |