Specification

Inundation classes (INU-CLASSES)

Inundation derived from Sentinel-1 data. Based on open water detection in combination with change detection and thresholding.

INU-CLASSES

Classified files using classes 0-6 based on the following input maps as a first step:

W

Water detected using histogram method (0, 1)

V

Change detection in VV (0,1,2)

VH

Change detection in VH (0,1,2)

In the second step these maps are combined into one final maps using the following lookup table:

0

VV = 0, VH = 0 W = 0 - no color

1

W = 0, VV >=1, VH >= 0 - white

2

W = 1, VV = 1, VH = 0 - blue

3

W = 1, VV = 2, VH = 0 - blue

4

W = 1, VV = 1, VH >= 1 - blue

5

W = 1, VV = 2, VH = 1 - blue

6

W = 1, VV = 2, VH = 2 - dark blue

Inundation Classes

Key Specification

Name

Inundation

API name

INU-S1-CLASSES_V001_10

Abbreviation

INU-S1-CLASSES_V001_10

Versions

Version 0.9: Noordwijk, Version 3.2

Unit

Classes (7) or RGB

Pixel size

10x10m, 8.9831528412e-05 degree

Temporal resolution

3-6 days (location dependent)

Coverage

Global

Data availability

October 2014 - Present

Satellites used

Sentinel-1a/b

Available to user

12 hours after overpass of the satellites

File format

GeoTIFF, NetCDF (images), CSV (time series)

Data delivery

VanderSat API, VanderSat Viewer

Image properties

GeoTIFF properties:

Parameter

Value

Data type

Byte

Compression

LZW

Scale

1

Offset

0

Band 1

Inundation classes

NoData

255

NetCDF properties:

Parameter

Value

Data type

Byte

Compression

Zip 6

Scale

1

Offset

0

Band 1

Inundation classes

NoData

255

Terms of use

Data is property of VanderSat B.V and may only be used for the purpose specified in the service/data contract.

  • Contains modified Copernicus Sentinel data 2015-2020

Version history

Inundation RGB (INU-RGB)

Inundation is derived from Sentinel-1 data using an approach based on histogram matching of know open water and grassland histograms in combination with change detection and thresholding.

INU-RGB

A false colour file in which the Red channel is taken from the VV polarisation and the Green and Blue Channel the VH polarisation.

Inundation Classes

Key Specification

Name

Inundation

API name

INU-S1-RGB_V001_10

Abbreviation

INU-S1-RGB_V001_10

Versions

Version 0.9: Noordwijk, Version 0.9: Noordwijk

Unit

Classes (7) or RGB

Pixel size

10x10m, 8.9831528412e-05 degree

Temporal resolution

3-6 days (location dependent)

Coverage

Global

Data availability

October 2014 - Present

Satellites used

Sentinel-1a/b

Available to user

12 hours after overpass of the satellites

File format

GeoTIFF, NetCDF (images), CSV (time series)

Data delivery

VanderSat API, VanderSat Viewer

Image properties

GeoTIFF properties:

Parameter

Value

Data type

Byte

Compression

LZW

Scale

1

Offset

0

Band 1

Inundation classes

NoData

255

NetCDF properties:

Parameter

Value

Data type

Byte

Compression

Zip 6

Scale

1

Offset

0

Band 1

Inundation classes

NoData

255

Terms of use

Data is property of VanderSat B.V and may only be used for the purpose specified in the service/data contract.

  • Contains modified Copernicus Sentinel data 2015-2020

Version history

Inundation rolling mean (INU-RM)

Inundation is derived from Sentinel-1 data using an approach based on histogram matching of know open water and grassland histograms in combination with change detection and thresholding.

rolling mean of VV and VH

30 image rolling mean of the VV an VH images used as a base for the change detection.

Inundation Classes

Key Specification

Name

Inundation

API name

INU-S1-RM-VV_V001_10

Abbreviation

INU-S1-RM-VV_V001_10

Versions

Version 0.9: Noordwijk, Version 3.2

Unit

Classes (7) or RGB

Pixel size

10x10m, 8.9831528412e-05 degree

Temporal resolution

3-6 days (location dependent)

Coverage

Global

Data availability

October 2014 - Present

Satellites used

Sentinel-1a/b

Available to user

12 hours after overpass of the satellites

File format

GeoTIFF, NetCDF (images), CSV (time series)

Data delivery

VanderSat API, VanderSat Viewer

Image properties

GeoTIFF properties:

Parameter

Value

Data type

Byte

Compression

LZW

Scale

1

Offset

0

Band 1

Inundation classes

NoData

255

NetCDF properties:

Parameter

Value

Data type

Byte

Compression

Zip 6

Scale

1

Offset

0

Band 1

Inundation classes

NoData

255

Terms of use

Data is property of VanderSat B.V and may only be used for the purpose specified in the service/data contract.

  • Contains modified Copernicus Sentinel data 2015-2020

Version history