Sri Lanka) Using Terrasar-X Satellite Data (28May2017)
Total Page:16
File Type:pdf, Size:1020Kb
Mapping Inundation extent for Kalu Ganga basin in Western Province (Sri Lanka) using TerraSAR-X Satellite Data (28May2017) Due to heavy rains in past few days, landslides and floods in Sri Lanka killed 151 people, 111 Legend Map Prepared by Data Provider people still missing, displacing 100,000 and directly affecting 500,000 people across many districts according to the initial estimates by state-run Disaster Management Center. Satellite Image : TerraSAR-X 28 May 2017 ± International Disaster Charter was activated by Disaster Management Centre (DMC) and Division Map coordinated by International Water Management Institute (IWMI)/CGIAR. The first satellite The analysis excluded permanent water image obtained on 28-05-2017 by German Aerospace Centre (DLR) showed vast areas of ! Cities/Town bodies including reservoir, tanks and ponds standing flood waters along the Southern and South-Western Provinces. Initial estimates and this reflects only the inundation extent. from satellite images indicate that Matara (49.3) and Kalutara with 31.6 km2 flooded area, Please note the surface water extent Road Streams mapped has not yet been validated in the are the worst affected districts followed by Galle (20.2 km2), Rathnapura (14.9 km2), Flood extent Colombo (5.6 km2) and Gampaha (4.5 km2). Detailed Divisional Secretariat wise flood The depiction and use of boundaries, geographic names and affected area for these six districts are given in the attached excel file. Kalutara is reeling (28 May 2017) related data shown in these maps are based on the sources under worst flood since 2003. Residents in affected pockets are reluctant to move away from they have been drawn from and quoted. These are neither flooded homes fearing safety of their belongings for potential theft. 29 May 2017 | FL-2017-0001-SL | error-free nor do they imply official endorsement or the position Version 1 of IWMI. Gal Edandugoda Kamburugoda East Kothalawala Raigama West Munagama West Munagama East Horana North Kekulaliya Kamburugoda West Gelanigama Raigama North HenegamKaanewalaKulupana Halkotiyawatta Dikhenagama Copyright (c) DLR on TSX-2 images Poruwadanda West Veedagama West Kongasthenna Horana South Ilimba Rambukkana North Raigama East Gungamuwa Bandaragama East Narthanagala HORANA Bolgoda Raigama South Wewala West Yahalawatta HORANA Bandaragama Wagawatta Horana East Diwalakada Bothale Gangoda Bandaragama West Welikala Mahena Rambukkana South Elawella Kandana North HORANA Kolamediriya North Wevita Bellanthudawa Wewala East Meegahakumbura Atulugama East Panape Kelesgamuwa Atulugama West HORANA Bogahawatta Korawala Haltota Thibbotugoda Kelesgamuwa Yatiyana Bellapitiya West Galgemandiya Bellapitiya East Ihala Naragala Kobawaka North Epitamulla Kimmanthudawa Bothale Lenawara Kandana South Bamunumulla (Muslim) Langana Mahena South Amaragedara North Bamunumulla Millaniya Labugama Raddegoda Pahala Naragala Ihala Naragala South Walpita Delkada Kennanthudawa Weliketella Arakagoda Bulathsinhala North Yalagala Peramunagama Pethigamuwa NorthRemuna Govinna North Kuda Gonadoowa Arakagoda Pethigamuwa South Werawatta Egaloya Mawathgama Kobawaka South Maha Gonadoowa Dikhena Deldorawatta Mahayala West Bulathsinhala South BANDARAGAMA Paragasthota Mahayala East Dewamulla Weniwelpitiya Moronthuduwa North Millagaspola Hallankanda Govinna South Bulathsinhala Central BANDARAGAMA Dombagoda Kananvila Moronthuduwa South Imbulahena Nandoowa Boralessa Batagoda MADURUWELA Bulathsinhala East Kudayala Koodella Pelpola Keselhenawa Adhikarigoda BULATSINHALA Bulathsinhala East Madurawala East Galahena Bulathsinhala MADURUWELA BULATSINHALA Madurawala West Retiyala Kalapugama Punsiripura Mulkadakanda Pahala Karannagoda Bulathsinhala West Kalapugama West Damparadugoda Dodammulla Uduwara North Karannagoda Ihala Karannagoda Paraduwa Galpatha East Uduwara EastAnguruwathota Panapitiya North Galpatha West Pahala Welgama Diyagama Deeyakaduwa East Rannungala Pathakada Katuhena Deeyakaduwa West Panapitiya South Uduwara West Ukwatta Warakagoda North Bolossagama Uduwara South Warakagoda West Pelapitiyagoda North Demodarawatta Koholana South Panagoda Mahagama North Mahadurupitiya Pelapitiyagoda South Koholana North Serupita East Serupita West Remunagoda North Pahalagoda Nahalla Wijerathnawatta Thennahena Delgoda Adhikarigoda Bogahawatta Warakagoda East Mahagama East Thekkawatta Yatawara North Yatawara South Pahala Nebada Gamagoda West Gamagoda East Warakagoda South Ihalagoda Begamuwa Thalahitiya Remunagoda South Kithulawa Mahagama West Muduna Thebuwana East Polegoda West Godaparagahahena Nebada Pahala Kudaligama Alwiswatta Ilukwatta Rajawatta Parana Kotasa Nebada West DODANGODA Weyangalla East Etavila Bombuwala North-CentralBombuwala North-East Mahagama South Bombuwala North-West Ihala Nebada Pulartan West Thebuwana West KALUTARA DODANGODA Ihala Kudaligama Wattamulla Bombuwala South-East Weyangalla West KALUTARA Omatta East Bombuwala South-Central Pimbura Rajawatta Aluth Kotasa Wellatha Girikola Bombuwala South-West Nagoda South Thudugala East Thudugala West Iddagoda East Wattahena Omatta Uswatta Weniwelketiya Kajudoowawatta Dodangoda West-North West Halovita Dodangoda West-North Helamba Gallassa Nagoda West Iddagoda West Udawela Mehimulla Dodangoda West Wadugama AGALAWATTA Ethagama East Dodangoda East-North AGALAWATTA Kekulandala SouthEvariwatta Pambe Gorokgoda Dodangoda West-South MATUGAMA Kekulalanda North Kuda Paiyagala North Hiriketiya MATUGAMA Nehinna Panthiya Malegoda-Payagala Dodangoda West-Central Hirigalgodella Gurudola Beragama Agalawatta Kuda Piyagala South Sapugahawatta BERUWELA Dodangoda East-South Welimanana Yatiyana West Dapiligoda Pinidiyamulla BERUWELA Dodangoda East-Central Viharakanada Dodangoda East Wettewa Palayangoda Payagala North MATUGAMA Mathugama North Yatiyana East Wandurabba Weragala Yatadolawatta East Mathugama West Ridirekhagama Puhambugoda West Viharagama Katukurundugahalanda East MATUGAMA Maha Paiyagala Puhambugoda East Yattovita Mathugama East Pinnagoda Kapugama.