USDA/NASS Disaster Analysis Web Page https://www.nass.usda.gov/Research_and_Science/Disaster-Analysis/index.php Metadata Event: Missouri Rover Long Term Flood Analysis - Spring 2019 Last Updated: January 16, 2020 ------------------------------------------------------------------------- ------------------------------------------------------------------------- File: Missouri_River_Floods_Inundataion_Layer_all_dates.zip Description: This zip file contains five 2019 inundation raster layers created to estimate the extent of cropland and pasture/hay inundated by regional flooding in April, May, and June 2019 in Kansas and Nebraska along the Missouri River Valley. Each raster layer represents inundation between October 6, 2018 (pre-flood imagery) and one of five post-flood dates. Data represent cropland, inundated cropland, pasture/hay, inundated pasture/hay, water bodies, and other land. Projection: Albers Conical Equal Area Spatial Resolution: 30 meter Attribute Table Value Class_Name 1 Water 2 Other 10 Cropland 11 Inundated Cropland 20 Pasture Hay 21 Inundated Pasture Hay -------------------- Imagery Inputs Sentinel-1A Data: interferometric wide (IW) swath (250 kilometer), Level-1 Ground Range Detected (GRD), 5x20 meter spatial resolution, and dual polarization (VV, VH) Imagery Download: Alaskan Satellite Facility https://vertex.daac.asf.alaska.edu/ Pre-Flood Imagery Input Files (October 6, 2018) S1A_IW_GRDH_1SDV_20181006T002102_20181006T002127_024008_029F7D_884C S1A_IW_GRDH_1SDV_20181006T002127_20181006T002152_024008_029F7D_EEB0 S1A_IW_GRDH_1SDV_20181006T002152_20181006T002216_024008_029F7D_3F01 Post-Flood Imagery Inputs Files (April 4, 2019) S1A_IW_GRDH_1SDV_20190404T002059_20190404T002124_026633_02FCE5_3139 S1A_IW_GRDH_1SDV_20190404T002124_20190404T002149_026633_02FCE5_A8E7 S1A_IW_GRDH_1SDV_20190404T002149_20190404T002214_026633_02FCE5_9FF0 Post-Flood Imagery Inputs Files (May 10, 2019) S1A_IW_GRDH_1SDV_20190510T002100_20190510T002125_027158_030FB5_048B S1A_IW_GRDH_1SDV_20190510T002125_20190510T002150_027158_030FB5_2865 S1A_IW_GRDH_1SDV_20190510T002150_20190510T002215_027158_030FB5_3809 Post-Flood Imagery Inputs Files (May 22, 2019) S1A_IW_GRDH_1SDV_20190522T002101_20190522T002126_027333_031530_0129 S1A_IW_GRDH_1SDV_20190522T002126_20190522T002151_027333_031530_6EB8 S1A_IW_GRDH_1SDV_20190522T002151_20190522T002216_027333_031530_B38F Post-Flood Imagery Inputs Files (June 15, 2019) S1A_IW_GRDH_1SDV_20190615T002102_20190615T002127_027683_031FEA_51F8 S1A_IW_GRDH_1SDV_20190615T002127_20190615T002152_027683_031FEA_08F7 S1A_IW_GRDH_1SDV_20190615T002152_20190615T002217_027683_031FEA_E6C8 Post-Flood Imagery Inputs Files (June 27, 2019) S1A_IW_GRDH_1SDV_20190627T002103_20190627T002128_027858_032523_3E0C S1A_IW_GRDH_1SDV_20190627T002128_20190627T002153_027858_032523_5DD3 S1A_IW_GRDH_1SDV_20190627T002153_20190627T002218_027858_032523_97BB -------------------- Land Cover Inputs NASS 2018 Cultivated Layer (planted acres) Obtained From: https://www.nass.usda.gov/Research_and_Science/Cropland/Release/index.php NASS 2018 Cropland Data Layer (planted acres) Obtained From: CropScape: https://nassgeodata.gmu.edu/CropScape/ Disclaimer: These data are not official NASS estimates. -------------------- Processing Software Sentinel Application Platform (SNAP) Toolbox 6.0 http://step.esa.int/main/download/ Hexagon ERDAS Imagine 2016 http://www.hexagongeospatial.com/ Esri ArcGIS 10.3.1 http://www.esri.com/ -------------------- Methodology Boryan, C., Z. Yang, A. Sandborn, P. Willis, and B. Haack (2018). Operational Agricultural Flood Monitoring With Sentinel-1 Synthetic Aperature Radar. IGARSS 2018, Valencia Spain, July 22-27, 2018. Posted 08/09/2018 https://www.nass.usda.gov/Research_and_Science/Cropland/docs/Boryan_IGARSS2018%20_Flood.pdf ------------------------------------------------------------------------- -------------------------------------------------------------------------