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Increasing Access to MODIS data
through Web services and
visualization tools

Suresh K.S. Vannan
ORNL
Oak Ridge, TN, USA
R...
Background
ORNL DAAC: NASA’s archive for
biogeochemical dynamics and
terrestrial ecology data

http://daac.ornl.gov/MODIS
MODIS Subsetting and Visualization Tool
Challenges:
 Accessibility
 Data Format
 Processing Time

•
•

To characterize ...
MODIS Land Product Subsetting Tools MODIS Land Products at ORNL DAAC
o In a scale and format (text,
Surface Reflectance
Ge...
MODIS Global tool – http://daac.ornl.gov/modisglobal
Ordering Interface
MODIS Global tool - features
Ordering Interface
MODIS Global tool - features

Custom Interface for data
order

Average Time to process:
About 3 minutes
MODIS Global tool - features

Custom Interface
for data order
MODIS Global tool - features

Custom Interface
for data order
MODIS Global tool - Summary

Ordering Interface

Multiple Visualizations with
link to phenology and land
cover data

Custo...
MODIS Web Service – http://daac.ornl.gov/modiswebservice
Get MODIS Subsets through machine to
machine interaction
Retrieve...
MODIS Web Service – subsets command

getsubset (40,-110,"MOD13Q1”,"250m_16_days_NDVI”,"A2000065”,"A20000081", 10,10)

MOD1...
Applications – Field work
Example of field site applications
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Increasing Access to MODIS data through Web services and visualization tools

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Remote sensing –Beyond images
Mexico 14-15 December 2013

The workshop was organized by CIMMYT Global Conservation Agriculture Program (GCAP) and funded by the Bill & Melinda Gates Foundation (BMGF), the Mexican Secretariat of Agriculture, Livestock, Rural Development, Fisheries and Food (SAGARPA), the International Maize and Wheat Improvement Center (CIMMYT), CGIAR Research Program on Maize, the Cereal System Initiative for South Asia (CSISA) and the Sustainable Modernization of the Traditional Agriculture (MasAgro)

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Increasing Access to MODIS data through Web services and visualization tools

  1. 1. Increasing Access to MODIS data through Web services and visualization tools Suresh K.S. Vannan ORNL Oak Ridge, TN, USA Remote Sensing - Beyond Images Dec 15th 2013
  2. 2. Background ORNL DAAC: NASA’s archive for biogeochemical dynamics and terrestrial ecology data http://daac.ornl.gov/MODIS
  3. 3. MODIS Subsetting and Visualization Tool Challenges:  Accessibility  Data Format  Processing Time • • To characterize field sites Provide quick access to MODIS data
  4. 4. MODIS Land Product Subsetting Tools MODIS Land Products at ORNL DAAC o In a scale and format (text, Surface Reflectance GeoTIFF) Surface Temperature o useful for field researchers Land Cover Methods to obtain subsets: Tool 1 : MODIS Global tool subsets: – Subsets and visualization Tool 2: Web Service: – Programmatically obtain MODIS subsets Vegetation Phenology NDVI / EVI LAI / fPAR Net Photosynthesis Annual NPP Albedo Evapotranspiration Reflectance – BRDF Adjusted
  5. 5. MODIS Global tool – http://daac.ornl.gov/modisglobal Ordering Interface
  6. 6. MODIS Global tool - features Ordering Interface
  7. 7. MODIS Global tool - features Custom Interface for data order Average Time to process: About 3 minutes
  8. 8. MODIS Global tool - features Custom Interface for data order
  9. 9. MODIS Global tool - features Custom Interface for data order
  10. 10. MODIS Global tool - Summary Ordering Interface Multiple Visualizations with link to phenology and land cover data Custom Interface for data order
  11. 11. MODIS Web Service – http://daac.ornl.gov/modiswebservice Get MODIS Subsets through machine to machine interaction Retrieve Subsets using: • Command line ( Perl) • Workflows (Kepler) • JAVA • Python •R • Matlab
  12. 12. MODIS Web Service – subsets command getsubset (40,-110,"MOD13Q1”,"250m_16_days_NDVI”,"A2000065”,"A20000081", 10,10) MOD13Q1.A2000065.h09v04.005.2008238050507.250m_16_days_NDVI, 1177, 1164, 1116, 1198, 1256, 1226, 1177, 1154, 1267, 1348, 1277, 1345, 1411, 1341, 1278, 1217, 1232, 1244, 1262
  13. 13. Applications – Field work
  14. 14. Example of field site applications

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