How to Download MODIS Images Dr. A.K.M. Saiful Islam, IWFM, BUET Dr. Sujit Kumar Bala, IWFM, BUET Mr. M. Golam Mahboob, BARI December 2007
Dec 21, 2015
How to Download MODIS Images
Dr. A.K.M. Saiful Islam, IWFM, BUETDr. Sujit Kumar Bala, IWFM, BUET
Mr. M. Golam Mahboob, BARI
December 2007
MODIS Web sitehttp://modis.gsfc.nasa.gov/
Discipline
• We are mostly interested in Land and Atmospheric data
MODIS Vegetation Indiceshttp://modis-land.gsfc.nasa.gov/vi.htm
MODIS/Terra Vegetation Indices 16-Day L3 Global 250m SIN Grid V005
EDG Data Set Name ShortName
MODIS/Terra Vegetation Indices 16-Day L3 Global 250m SIN Grid V005
MOD13Q1
Version
Acquisition RangeScience Quality Status
003August 29, 2002 – October 7, 2002
Provisional from 11/01/2000
004February 24, 2000 – December 31, 2006
Validated Stage 1 from 04/06/2000
005 February 24, 2000 - Validated Stage 2 from 02/18/2000
MODIS NDVI and EVI
Data Characteristics
• Area: ~10 degrees x 10 degrees lat/longDimensions: 4800 x 4800 rows/columnsFile Size: ~ 5 - 270 MBResolution: 250 metersProjection: SinusoidalData Format: HDF-EOSScience Data Sets (SDS HDF Layers): 12
Product Description
• Global MODIS vegetation indices are designed to provide consistent spatial and temporal comparisons of vegetation conditions. Blue, red, and near-infrared reflectances, centered at 469-nanometers, 645-nanometers, and 858-nanometers, respectively, are used to determine the MODIS daily vegetation indices.
• The MODIS NDVI and EVI products are computed from atmospherically corrected bi-directional surface reflectances that have been masked for water, clouds, heavy aerosols, and cloud shadows.
• Version-5 MODIS/Terra Vegetation Indices products are Validated Stage 2, meaning that accuracy has been assessed over a widely distributed set of locations and time periods via several ground-truth and validation efforts. Although there may be later improved versions, these data are ready for use in scientific publications.
Download Retrieve the MOD13Q1.5 MODIS product through the
1. LP DAAC Data Pool2. Via Search Tool:
http://e4eil01u.ecs.nasa.gov:22000/WebAccess/drill?attrib=esdt&esdt=MOD13Q1.5&group=MOLT
3. Via FTP Directory: ftp://e4ftl01u.ecs.nasa.gov/MOLT/MOD13Q1.005/
4. Order Data through the EOS Data Gateway(http://edcimswww.cr.usgs.gov/pub/imswelcome/)
• EOS Data Gateway Search TipsData Center:LPDAACSensor:MODISDataset:MODIS/Terra Vegetation Indices 16-Day L3 Global 250m SIN Grid V005Spatial:HORIZONTALTILENUMBER Max/Min VERTICALTILENUMBER Max/MinGeographic Extent:Type Lat/Long Range or Draw on MapTemporal Extent:2000-02-18 to present
Order Data through the EOS Data Gateway
Please register and create your own account
http://edcimswww.cr.usgs.gov/pub/imswelcome/
Enter as Registered User
• After registration
Enter the site as registered user
Primary Data Search Tool
By Discipline
Choose Data set
16-day global 250m Sin grid V005
Spatial Coverage
• For Bangladesh entire Dhaka coordinates
Temporal coverage
• Select Date and time
Annually Repeating Time Period
• Julian data January to March (001 to 090)
• From 2000 to 2007
Additional Search Options
• Thermal data : you may select day or night
You can change from default 100 to desire no of data granular
Each year 6 (16 day) x 8 years (2000-2007) = 48 data version 005
Start search
• First Save Your search and save as file
• You can also restore search
• Finally start search
Search in progress
• Will show partial results
List result data set
• Click on List data granules
Click on Box
Listing Data Granular
• Select All data and items selected in all pages
Show Map coverage
Zoom Spatial coverage
• North part of Bangladesh is in another spatial coverage
Add selection to Cart
Choose order option
Choose order option
• Select FtpPull
Every data granule
Click on OK!
Order as FTP Pull
• Go to Step 2: Order form
Review order form
• At the end of the order form
• Please click on Go to Step 3: Review order summary Before submitting order
• OR, you can directly Submit Order Now!
Order summary
Data summary
Billing
Click on submit order
Order submitted
• You will receive an email of order notification
• That’s it! • It takes 2 hours to 2 months !
Thank you!
Questions