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Flood Inundation Mapping for Yamuna, Ghaghara and Ganga River

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Flood Inundation Mapping for Yamuna, Ghaghara and Ganga River ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! 24 October 2013 ! ! ! ! FL-2013-00004-IND ! Version 1.0 F l o o d I n u n d a t i o n M a p p i n g f o r t h e t h r e e m a j o r r! i v e r s : Ya m u n a , G a n g a , G h a g h a r a u s i n g N A S A ' s S a t e l l i t e I m a g e s ! ! ! ! ! ! In mid-June 2013, unusually severe monsoon rain caused devastating flooding in northern India and Nepal. By June 21, news outlets reported at least 600 people Map prepared! by: Data Provided by: ! Crisis Satellite data : MODIS Terra / Aqua ! Index map dead and tens of thousands stranded or missing in rugged, inaccessible terrain on the edge of the Himalayas. !Extremely high waters, particularly in the state of Resolution : 250m ! ! ! Image date : June! 23, 2013 Uttarakhand, undermined roads and houses, while landslides wiped out others. ! ! Source : NASA Legend ! Pre-flood Image : MODIS Terra / Aqua The Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Aqua satellite observed the flooding on June 21, 2013 (top). For comparison, the lower ! ! ! Resolution : 250m Flood Water extent (20 June 2013) Rivers ± ! image shows the same area on May 31, 2013. These false-color images use a combination of visible and infrared light to make it easier to distinguish between water Image date : May 31, 2013 ! ! Rural road ! and land. Water appears blue and vegetation is bright green. Clouds (lower left) are pale blue-green and cast shadows. Glacier ice and snow in the Himalayas are Source : NASA Pre-Flood River Line (2013) ! Urban road ! pale blue to cyan. ! ! ! q® Airport Urbanized area Baseline Imagery : MODIS! Terra May 31, 2013 ! Source : NASA !(! Villages/towns Administration boundary 0 15 30 60 90 120 ! Based on the MODIS Terra/Aqua images dated 22 June 2013 the Yamuna and ganges rivers started receding at faster rate compare to the previous ! GIS Data : IWMI Water Data Portal ! two days of images. Flood inundation in Ghaghara river is still persistent particularly in districts of Sitapur, Fakhrpur, G! onda, Faizabad, where large patches of crop land ! ! ! Flood Analysis : IWMI ! and settlements w!ere inundated. ! ! Projection : Geographic, WGS84 Kilometers ! The depiction and use of international boundaries, geographic names and related data shown in these ! maps are based on the sources they have been drawn from and quoted; these are neither error-fre!e Map Area This analysis also used Pre river line MODIS data from May 2013 to show identify flood water only. Please note that water bodies likely reflect an underestimation of ! ! ! Please send ground feedback to IWMI. nor do they imply official endorsement or the position of IWMI ! all flood-affected areas within the map extent due to cloud, atmospheric variations and other reasons. This analysis has no!t yet been validated in the field. ! KHUDAGANJ ! ! ! ! ! Uttar Pradesh Uttar Pradesh ! ! Pilibhit ! Bareilly ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! Uttar Pradesh ! ! ! KAKALA Badaun ! ! ! ! ! ! ! U!ttar Pradesh ! ! ! ! Shahjahanpur ! ! Y ! ! ! a ! m ! ! u Uttar Pradesh ! G ! ! ! n ! Etah ! ! a a ! n ! ! ! r g i ! ! ! v e e ! s G ! r a ! ! ! r n i v g A ! ! ! e e ! ! s ! r KAIMGANJI ! ! r ! Y i ! v ! a e ! r m PALI ! ! ! ! u ! ALIGNJ ! n ! ! ! ! a Uttar Pradesh r B i ! Etah Uttar Pradesh ! v ! ! ! e Uttar Pradesh ! ! Hardoi ! r Farrukhabad ! ! ! ! ! FARRUKHABAD ! ! ! ! ! ! ! MUHAMMADABAD ! ! ! ! Uttar Pradesh ! ! A Mainpuri ! A ! Ganges river inundation extent showing affe!cted districts of U.P. state ! ! BEWAR Uttar Pradesh Uttar Pradesh Overview of ganga basin during the flood season (MODIS/Aqua Image taken on 21-June-2013) Before inundation captured using MODIS/Aqua Image [31-May-2013] capture! d using MODIS Terra/Aqua satellites on 21st June 2013 PRE DISASTER IMAGE (SOURCE : GOOGLE EARTH) Closer view of combined MODIS Terra/Aqua Images captured on 23 June 2013 ! ! Kannauj Kannauj ! ! ! ! ! ! ! ! ! B ! Global Flood Monitoring System (GFMS) that uses TRMM precipitation satellite data to predict ! ! ! hydrological runoff. Flood detection/intensity estimates are based on 13 years of retrospective ! ! ! ! model runs with TMPA input. ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! G ! G h ! h a a g g h h a ! a r a r a r i r v ! iv e Source : University of Maryland, USA ! ! e r ! ! r ! ! From the image it is clear that the ganges river is having high streamflow (above ! 10,000m3/sec) as of 24 June 2013. B B Overview of ganga basin during the dry season (MODIS/Aqua Image taken on 31-May-2013) Before inundation captured using MODIS/Aqua Image [31-May-2013] Closer view of combined MODIS Terra/Aqua Images captured on 23 June 2013.
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