U.S. Department of the InteriorU.S. Geological Survey

Mega-File Data Cube (MFDC) Concept and

Preparation

Jun Xiong, Prasad, PardhaNov 21th, 2013, Flagstaff

• Landsat GLS 2000 data• 30 m, one time for nominal year 2000

• MODIS NDVI data• 250 m, monthly maximum value composite (MVC) for nominal year 2000

(taken from year 2000-2002)

• MODIS B1 and B2 data• 250 m, monthly band 1 (red) and band 2 (NIR) for nominal year 2000 (taken

from year 2000-2002)

• Secondary Data• Elevation (GDEM, 30 m), precipitation 40 yr

average (CRU, 50 km), AVHRR skin temperature (10 km), potential ET based on 100 yr climate data (100 km)

Mega-File Data Cube (MFDC) of the World

Baseline Data Infrastructure Composed as Single MFDC

U.S. Geological SurveyU.S. Department of Interior

U.S. Department of the InteriorU.S. Geological Survey

Mega-File Data Cube (MFDC) Global Landsat GLS

2000

Region Name Sensor Scenes Format Single-Band Total Size

Africa ETM 891 Erdas img (ige) 144 GB 720 GB

Asia ETM 1651 Erdas img (ige) 366 GB 1830 GB

Australia ETM 224 Erdas img (ige) 39 GB 195 GB

Europe ETM 640 Erdas img (ige) 67 GB 335 GB

Middle-east ETM 193 Erdas img (ige) 37 GB 185 GB

North-America ETM 900 Erdas img (ige) 133 GB 665 GB

South-America ETM 709 Erdas img (ige) 79 GB 395 GB

*Data Access through ftp (either from USGS or NEX). Please contact Jun Xiong For data and any feedbacks are welcome !

Landsat GLS 2000 Data of the World Number of Images and Data Volumes for the 7 Regions of the

World

U.S. Geological SurveyU.S. Department of Interior

Sensor Data Sets Units Scale factor

Data Type

Fill Value

Valid Range

TM/ETM+

Band3 RED TOA reflectance (-) 0.001 int16 -9999 0 - 1000

Band 4 NIR TOA reflectance (-) 0.001 int16 -9999 0 - 1000

Band 5 MIR TOA reflectance (-) 0.001 int16 -9999 0 - 1000

Band 6 THM* Radiometric temperature (K) 0.1 int16 -9999 0 - 1000

ALLNDVI** Normalized Difference

Vegetation Index0.001 int16 -9999 -1000 -

1000

Note:

* Radiometric temperature (THM) band will be released soon because of insufficient disk space.

** NDVI band is not ready yet for the same reason. Hopeful every group can do it yourself using Band 4 and Band 3.

Landsat GLS 2000 Data of the World Spectral Bands and Derived data Considered and their

Characteristics

U.S. Geological SurveyU.S. Department of Interior

Landsat GLS 2000 Data of Asia 1651 Scene Mosaic of Africa Depicted as False Color Composite (FCC)

1. Mosaic of 1651 Landsat ETM+ images

2. Depicted in FCC: 4,3,5 (RGB)

3. Missing images are areas where there is absolutely no croplands

4. Projection:Geographic

5. Datum:WGS84

U.S. Geological SurveyU.S. Department of Interior

Figure: GLS-2000 Mosaic of the NIR-R-MIR (4,3,5) bands combination in Africa (Map projection: Geographic)891 scenes ETM

Landsat GLS 2000 Data of Africa 891 Scene Mosaic of Africa Depicted as False Color Composite (FCC)

1. Mosaic of 891 Landsat ETM+ images

2. Depicted in FCC: 4,3,5 (RGB)

3. Missing images are areas where there is absolutely no croplands

4. Projection:Geographic

5. Datum:WGS84

U.S. Geological SurveyU.S. Department of Interior

Landsat GLS 2000 Data of South America 809 Scene Mosaic of Africa Depicted as False Color Composite

(FCC)

1. Mosaic of 809 Landsat ETM+ images

2. Depicted in FCC: 4,3,5 (RGB)

3. Missing images are areas where there is absolutely no croplands

4. Projection:Geographic

5. Datum:WGS84

Figure: GLS-2000 Mosaic of the NIR-R-MIR (4,3,5) bands combination in South America (Map projection: Geographic) 809 scene ETM

U.S. Geological SurveyU.S. Department of Interior

Landsat GLS 2000 Data of USA 900 Scene Mosaic of Africa Depicted as False Color Composite (FCC)

1. Mosaic of 900 Landsat ETM+ images

2. Depicted in FCC: 4,3,5 (RGB)

3. Missing images are areas where there is absolutely no croplands

4. Projection:Geographic

5. Datum:WGS84 Figure: GLS-2000 Mosaic of the NIR-R-MIR (4,3,5)

bands combination in North America (Map projection: Geographic)900 scenes ETM

U.S. Geological SurveyU.S. Department of Interior

Landsat GLS 2000 Data of Europe 640 Scene Mosaic of Africa Depicted as False Color Composite (FCC)

1. Mosaic of 640 Landsat ETM+ images

2. Depicted in FCC: 4,3,5 (RGB)

3. Missing images are areas where there is absolutely no croplands

4. Projection:Geographic

5. Datum:WGS84

Figure: GLS-2000 Mosaic of the NIR-R-MIR (4,3,5) bands combination Europe (Map projection: Geographic)640 scense ETM

U.S. Geological SurveyU.S. Department of Interior

Landsat GLS 2000 Data of Australia 224 Scene Mosaic of Africa Depicted as False Color Composite (FCC)

1. Mosaic of 224 Landsat ETM+ images

2. Depicted in FCC: 4,3,5 (RGB)

3. Missing images are areas where there is absolutely no croplands

4. Projection:Geographic

5. Datum:WGS84

Figure: GLS-2000 Mosaic of the NIR-R-MIR (4,3,5) bands combination Australia (Map projection: Geographic) 224 scenes ETM

U.S. Geological SurveyU.S. Department of Interior

Landsat GLS 2000 Data of Middle East 193 Scene Mosaic of Africa Depicted as False Color Composite (FCC)

1. Mosaic of 193 Landsat ETM+ images

2. Depicted in FCC: 4,3,5 (RGB)

3. Missing images are areas where there is absolutely no croplands

4. Projection:Geographic

5. Datum:WGS84

Figure: GLS-2000 Mosaic of the NIR-R-MIR (4,3,5) bands combination in Middle East (Map projection: Geographic)

Figure: GLS-2000 Mosaic of the NIR-R-MIR (4,3,5) bands combination Middle East (Map projection: Geographic)193 scenes ETM

U.S. Geological SurveyU.S. Department of Interior

U.S. Department of the InteriorU.S. Geological Survey

Mega-File Data Cube (MFDC) Global MODIS 2000

(2000-2002)

U.S. Department of the InteriorU.S. Geological Survey

Mega-File Data Cube (MFDC) MFDC Composition

MODIS: 36 bands• Band 1 to band 12: MODIS b1 (red) minimum value composite (MVC); 1 band per month

• Band 13 to band 24: MODIS b2 (NIR) maximum value composite (MVC); 1 band per month

• Band 25 to band 36: MODIS NDVI maximum value composite (MVC); 1 band per month

Skin Temperature: 12 bands• Band 37 to band 48: AVHRR Skin Temperature (in degree kelvin); 1 band per month (based on

20 yer. Average)

DEM: 1 band● Band 49: ASTER DEM project (resolution: 30m) or GDEM project (resolution: 1km); 1 band

Tree Cover (forest cover > 75%; FGT75): 1 band● Band 50: Tree Cover > 75% (resolution: 8km); 1 band

Precipitation: 1 band• Band 51: 40-year-annual-mean (CRU) precipitation (resolution: 8km); 1 band

Potential Evapotranspiration (PET): 1 band• Band 52: 40-year-mean from CRU (resolution: 8km); 1 band

Mega-File Data Cube (MFDC) of the World

52-band, nominal 250 m MFDC of the World

U.S. Geological SurveyU.S. Department of Interior

shows some images of the MFDC to give people an impression how the data looks like (in preparation)

Example of MODIS-250m Mega Cube for Africa, 2000

Mega-File Data Cube (MFDC) of the Africa

52-band, nominal 250 m MFDC of the World

U.S. Geological SurveyU.S. Department of Interior

U.S. Department of the InteriorU.S. Geological Survey

Mega-File Data Cube (MFDC) MFDC Data Access

1. The MFDC is harmonized,

standardized, moasaced

and stored in

USGS GFSAD30 drive.

2. Access to this data for

other team members is

currently worked out.

3. Contact: Jun Xiong

data use: only for

GFSAD30 team members only.

Strictly NOT to be shared.

Mega-File Data Cube (MFDC): Data Access

ftp://ftpext.usgs.gov/pub/wr/az/flagstaff/jxiong

U.S. Geological SurveyU.S. Department of Interior

U.S. Department of the InteriorU.S. Geological Survey

Mega-File Data Cube (MFDC) MFDC

Documentation

Mega-File Data Cube (MFDC): Documentation

Currently in Preparation; Will be Released to Team Members

U.S. Geological SurveyU.S. Department of Interior

U.S. Department of the InteriorU.S. Geological Survey

Mega-File Data Cube (MFDC) MFDC Contact

Comments? Contact me