722ae597-a888-11e4-98b4-bc5ff4764ffa
UNKNOWN
Albert Kettner
Dartmouth Flood Observatory
Co-Director DFO
+1-303-735-5486
+1-303-492-6388
CO
80309
albert.kettner@gmail.com
publisher
2015-01-26
ISO 19115 Geographic Information - Metadata
http://metadata.dgiwg.org/ISO19115/ISO19115_v0_7.htm
2014 DFO Flood Extent version 1
2015-01-14
publication
The 2014_DFO_floodextent_v1 dataset is reflecting the accumulation of the daily MODIS Surface Water detection product “3D3OT” of 2014 that is provided by the NASA’s MODIS Near Real-Time Global Flood Mapping Project, implementing the water detection algorithm of Dartmouth Flood Observatory (DFO). The applied daily 3D3OT product is a moving 3 day composite of 6 MODIS images (3 by Terra and 3 by Aqua satellite). Water will be only be marked as surface water when: 1) for this moving 3day composite, 3 or more images indicate water at a certain location; 2) for two adjacent 3day composite files (reflecting two adjacent days) only the intersecting surface water cells that consist of 3 or more adjacent grid cells (each 250m2 large). The 3D3OT product includes a first order approach by NASA to filter out terrain shadows, this is further enhanced by applying above mentioned filter. However, accumulating daily output over a year still tends to reflect incorrect surface water extents for mountainous regions. The 2014_DFO_floodextent_v1, version 1 dataset is a shapefile composite reflecting flood water extents for 2014 for South and Middle America.
Albert Kettner
CSDMS, INSTAAR, Univ. of Colorado
Co-Director DFO
+1-303-735-5486
+1-303-492-6388
CO
80309
Point of contact
inlandWaters
theme
ISO 19115 Topic Categories
0001-01-01
publication
climatologyMeteorologyAtmosphere
theme
ISO 19115 Topic Categories
0001-01-01
publication
vector
eng
Microsoft Windows Server 2008 R2 Version 6.1 (Build 7601) Service Pack 1; Esri ArcGIS 10.1.1.3143
-124.099297
-34.701778
-55.994620
40.000000
false
2014_v1
unknown
0001-01-01
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