Flooding Production Date: 26/11/2015 Version 1.0 Glide Number: !!, FL20151123IND Analysis with Sentinel-1 Satellite Data Acquired 12 November 2015 and 01 September 2015 and Landsat-8 Acquired 14 October 2015 80°5'0"E 80°10'0"E 80°15'0"E Nashik Maharashtra Bastar Orissa Adilabad Bid INDIA Pune Latur Medak Satara Guntur Prakasam Kurnool Kavaraipettai Karnataka F Map Extent Kattur Chittoor Chennai Peruvoyal Tamil Nadu Puduvoyal )"Ponneri )"Arani 13°20'0"N 13°20'0"N Chinnambedu This map illustrates satellite-detected waters and probable flood waters in the Chennai area of the Tamil Nadu State in India. Using satellite imagery acquired 12 November 2015, 01 September 2015, and 14 October 2015, UNITAR-UNOSAT identified expansion of wetlands and standing waters in the area of Chennai and also some saturated soils areas which are mainly agricultural fields. Saturation in the Panchetti Chennivakkam area increased between 14 October 2015 and 12 Neduvarambakkam Vannipakkam November 2015, and the total water expansion is estimated to be about 28%. This analysis has not yet Inam Gangaiadikuppam Minjur )" been validated in the field. Please send ground Agaram Jagannathapuram Thandavarayanpalayam feedback to UNITAR-UNOSAT. Nerkundram Madiyur Janappanchataram Venkatareddypalayam Vazhathugaimedu Chinna Madiyur LEGEND Seemapuram Melur Sothuperumbedu Seemapuram Populated Place Athur Colony Karanodai Pallipuram )" City / Town 13°15'0"N Kamavarpalayam 13°15'0"N Mettupalayam New Sholavaram Orakadu Govindanapalayam Highway/Primary Rd. Erumaivettipalayam Kandakarai Sozhipalayam Budur Old State Boundary Vellaiveyil Chavadi Erumaivettipalayam Mettupalayam Chinna Arumandhai Vellivoyal District Boundary Echankuzhi Kummanur Probable Standing Flood Waters: Vichoor Nappalayam [Sentinel-1 - 12 November 2015] Kannikapuram )" Possible Saturated Wet Soils: Poochiathipadu [Landsat8 - 14 Oct. 2015 & Sentinel1 - 01 Sep. 2015] Alamadhi Vellankulam Pre-Crisis Water Extent: Bangarupet Upparipalayam Darkas Kannampalayam [Landsat-8 - 14 Oct. 2015 & Sentinel-1 - 01 Sep. 2015] Red Alinjivakkam )"Hills Ariyalur Konniyamedu Kanniyampettai Veerapuram Payasumbakkam Map Scale for A3: 1:125,000 Sankarapuram Kosappur Km I! 0 1 2 3 4 Morai Lakshmipuram Vadaperumbakkam Panmadukulam Kollumedu Satellite Data (1): Sentinel-1 13°10'0"N Imagery Date (1): 12 November 2015 Vellanur Arrikamedu 13°10'0"N Pothur Tiruvottiyur Satellite Data (2): Sentinel-1 Mupparapalayam )" Imagery Date (2): 01 September 2015 Resolution: 10 m Copyright: Copernicus 2015 / ESA )"Madhavaram Source: ESA Satellite Data (3): Landsat-8 Imagery Date: 14 October 2015 Resolution: 28.5 m Avadi Copyright: USGS )" Source: USGS )"Ambattur Road Data : Google Map Maker / OpenStreetMap / ESRI Other Data: USGS, UNCS, NASA, NGA Ezhil Nagar Analysis : UNITAR - UNOSAT VGN Production: UNITAR - UNOSAT Nagar Analysis conducted with ArcGIS v10.3 Dhanalakshmi Nagar Coordinate System: WGS 1984 UTM Zone 44N Periya Athipet Projection: Transverse Mercator Chinna Kolladi Kannapalayam Datum: WGS 1984 Kolladi Mettupalayam Units: Meter 13°5'0"N Chennai Sundaram )" 13°5'0"N Ayanambakkam Shozhapuram The depiction and use of boundaries, geographic )" names and related data shown here are not Thiruverkadu Parivakkam warranted to be error-free nor do they imply official endorsement or acceptance by the United Nations. UNOSAT is a program of the United Nations Institute for Training and Research (UNITAR), providing Varadarajapuram Senneerkuppam satellite imagery and related geographic information, )" research and analysis to UN humanitarian and Poonamallee development agencies and their implementing Valasaravakkam Kattupakkam )" partners. Agraharam Ayappanthangal Srinivasapuram Thelliyaragaram This work by UNITAR - UNOSAT is licensed under a Meppur )" Kulathuvancheri Porur Creative Commons Attribution-NonCommercial- Paraniputhur ShareAlike 3.0 Unported License. Chinnapanicheri Mugalivakkam Chikkarayapuram Kovur Periyapanicheri Kolapakkam Kollaicheri Thandalam Moonrankattalai Manancheri 13°0'0"N )" Tharapakkam 13°0'0"N "Alandur Kundrathur ) )"Anakaputhur )"Ullagaram Contact Information: [email protected] 24/7 Hotline: +41 76 487 4998 80°5'0"E 80°10'0"E 80°15'0"E www.unitar.org/unosat.