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DISASTERS_EX2602_202405_FLOOD_BRAZIL/ex2602_modis_mcdwd (ImageServer)

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Service Description:

Background:

MODIS Flood 1 Day Observations is a collection of GeoTiffs representing 1D1OS WMP : 1 Day imagery, 1 Observations required, Terrain & Cloud Shadow Masking. NASA Goddard's Hydrology Laboratory is working to operationalize near real-time global flood mapping using available satellite data resources -- currently the twice daily overpass of the MODIS instrument, on the Terra and Aqua satellites. We are working to include additional data sources, such as Landsat and radar, to improve coverage and accuracy. This work builds on the long-time expertise and efforts of the Dartmouth Flood Observatory (DFO) to map floodwater extent in detail for active floods. The DFO website provides additional detail, additional products, and archives of historical flood maps. This NASA website provides links and information about the automated daily flood and surface water products produced at NASA Goddard.

Data Visualization:

MODIS Flood layer is represented using Unique Values Ranging from 0-3.

  • 0 : Insufficient data to make water determination (cloudy, missing images, swath gaps, or bad data values).

  • 1 : No water detected.

  • 2 : Water detected AND coinciding with reference water (e.g., not flood).

  • 3 : Water detected, beyond reference water, so may be flood.

Daily Suggested Usage:

Flood detection and showing areas of surface water inundation. Further Reference: Learn more about MODIS Flood Products

Purpose/Summary:

Flood Detection Map, MODIS Flood 1 Day (1D1OS), Updated Daily



Name: DISASTERS_EX2602_202405_FLOOD_BRAZIL/ex2602_modis_mcdwd

Description:

Background:

MODIS Flood 1 Day Observations is a collection of GeoTiffs representing 1D1OS WMP : 1 Day imagery, 1 Observations required, Terrain & Cloud Shadow Masking. NASA Goddard's Hydrology Laboratory is working to operationalize near real-time global flood mapping using available satellite data resources -- currently the twice daily overpass of the MODIS instrument, on the Terra and Aqua satellites. We are working to include additional data sources, such as Landsat and radar, to improve coverage and accuracy. This work builds on the long-time expertise and efforts of the Dartmouth Flood Observatory (DFO) to map floodwater extent in detail for active floods. The DFO website provides additional detail, additional products, and archives of historical flood maps. This NASA website provides links and information about the automated daily flood and surface water products produced at NASA Goddard.

Data Visualization:

MODIS Flood layer is represented using Unique Values Ranging from 0-3.

  • 0 : Insufficient data to make water determination (cloudy, missing images, swath gaps, or bad data values).

  • 1 : No water detected.

  • 2 : Water detected AND coinciding with reference water (e.g., not flood).

  • 3 : Water detected, beyond reference water, so may be flood.

Daily Suggested Usage:

Flood detection and showing areas of surface water inundation. Further Reference: Learn more about MODIS Flood Products

Purpose/Summary:

Flood Detection Map, MODIS Flood 1 Day (1D1OS), Updated Daily



Single Fused Map Cache: false

Extent: Initial Extent: Full Extent: Pixel Size X: 231.91560581932

Pixel Size Y: 231.9156058193199

Band Count: 1

Pixel Type: U8

RasterFunction Infos: {"rasterFunctionInfos": [ { "name": "RFT-MCDWD Flood", "description": "RFT to display MCDWD Flood imagery, with No Water class set to transparent. ", "help": "" }, { "name": "None", "description": "Make a Raster or Raster Dataset into a Function Raster Dataset.", "help": "" } ]}

Mensuration Capabilities: Basic

Inspection Capabilities:

Has Histograms: false

Has Colormap: false

Has Multi Dimensions : false

Rendering Rule:

Min Scale: 0

Max Scale: 0

Resampling: false

Copyright Text: National Aeronautics and Space Administration (NASA), Goddard Space Flight Center's (GSFC) Hydrological Sciences Laboratory

Service Data Type: esriImageServiceDataTypeGeneric

Min Values: N/A

Max Values: N/A

Mean Values: N/A

Standard Deviation Values: N/A

Object ID Field: OBJECTID

Fields: Default Mosaic Method: Northwest

Allowed Mosaic Methods: NorthWest,Center,LockRaster,ByAttribute,Nadir,Viewpoint,Seamline,None

SortField:

SortValue: null

Mosaic Operator: First

Default Compression Quality: 75

Default Resampling Method: Nearest

Max Record Count: 1000

Max Image Height: 4100

Max Image Width: 15000

Max Download Image Count: 20

Max Mosaic Image Count: 20

Allow Raster Function: true

Allow Copy: true

Allow Analysis: true

Allow Compute TiePoints: false

Supports Statistics: true

Supports Advanced Queries: true

Use StandardizedQueries: true

Raster Type Infos: Has Raster Attribute Table: false

Edit Fields Info: null

Ownership Based AccessControl For Rasters: null

Child Resources:   Info   Statistics   Key Properties   Legend   Raster Function Infos

Supported Operations:   Export Image   Query   Identify   Measure   Compute Histograms   Compute Statistics Histograms   Get Samples   Compute Class Statistics   Query GPS Info   Find Images   Image to Map   Map to Image   Measure from Image   Image to Map Multiray   Query Boundary   Compute Pixel Location   Compute Angles   Validate   Project