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Global Subsets Tool Request a subset for any location on earth, provided as GeoTiff and text format, including interactive time-series plots and more

Global Subsets Tool

Request a subset for any location on earth, provided as GeoTiff and text format, including interactive time-series plots and more. Users specify a site by entering the site's geographic coordinates and the area surrounding that site, from one pixel up to 201 x 201 km.

The tool is expected to take up to 60 minutes to complete the processing, and you will receive an email message containing the URL where you can download the subset data and access interactive visualizations.

The tool provides time series plots of the data, an ASCII file of the pixel values for the selected product along with quality information, average and standard deviations for the area selected, and GeoTiff files that can be imported directly into GIS software.

In addition a land cover grid (IGBP classification) of the area is also provided, along with an estimate of heterogeneity (Shannon richness and evenness). To learn more about the data format, go to the Documentation

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Fixed Sites Subsets Tool Download pre-processed MODIS subsets for 1100+ field sites for validation of models and remote sensing products

Fixed Sites Subsets Tool

Download pre-processed MODIS subsets for 1100+ field sites for validation of models and remote sensing products. The goal of the MODIS Subsets for Selected Field Sites is to prepare summaries of selected MODIS Land Products for the community to characterize field sites.

Data products were subsetted from one or more 1200x1200-km MODIS tiles to 25 x 25-km arrays by the MODIS Science Data Support Team (MODAPS). These products were further subsetted (7x7) and reformatted from their native HDF-EOS to ASCII using version 2.2 of the MODIS Reprojection Tool (MRT) in combination with code developed at the ORNL DAAC.

These ASCII files grow as new data is acquired and processed at ORNL DAAC (rows will be added for each subsequent MODIS compositing period). To learn more about the data format and processing, go to the Documentation

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Web Service Retrieve subset data (in real-time) for any location(s), time period and area programmatically using a SOAP Web Service

Web Service

Retrieve subset data (in real-time) for any location(s), time period and area programmatically using a SOAP Web Service (from 1 pixel up to 201 x 201 km). Web Service client and libraries are available in multiple programming languages, allowing integration of subsets into users' workflow.

Through the Web service users can access functions to execute on their machine. A list of functions available to users are provided in the table below. The MODIS web service is built on ORNL DAAC's MODIS Global subsetting and visualization tool that provides customized subsets and visualization of MODIS land products for any land location on the globe.

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