U.S. Department of the Interior U.S. Geological Survey Diving into the Data Pool with DAAC2Disk Kelly Lemig ERT, Inc., contractor to the U.S. Geological Survey (USGS) Earth Resources Observation and Science (EROS) Center Sioux Falls, South Dakota *Work performed under USGS contract G10PC00044

About the LP DAAC  Land Processes Distributed Active Archive Center (LP DAAC)  USGS EROS center in Sioux Falls, South Dakota  1 of 12 of NASA’s Earth Observing System Data and Information System (EOSDIS) DAACs  2 of 21

More about the LP DAAC  Processes, archives, distributes land remote sensing data from:  Moderate Resolution Imaging Spectroradiometer (MODIS)  Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER)  Selected NASA MEaSUREs products  Community Products  Data is freely available to the remote sensing community 3 of 21

Outline  What is DAAC2Disk?  Why use DAAC2Disk?  Who would use DAAC2Disk?  Use Cases – how/why use this tool?  Questions 4 of 21

What is the DAAC2Disk Download Manager?  Simplified way of leveraging data from the LP DAAC Data Pool  Provides immediate, direct access to:  Science data (.HDF)  Metadata (.xml)  Browse images (.JPEG) 5 of 21

Available datasets in DAAC2Disk  All data from the LP DAAC Data Pool  All MODIS data holdings  ASTER L1B data for the U.S. & Territories  ASTER L1B and L1A Expedited data  All Web-Enabled Landsat Data (WELD) data holdings  All NASA Shuttle Radar Topography Mission (SRTM) v3.0 data holdings  All ASTER Global Emissivity Database (GED) data holdings  Some data from other Archive Centers  Available at no cost to the user 6 of 21

Features of DAAC2Disk  Two interfaces  Web-based  Command script  Several ways to download data  Download by parameters (bounding box or tile)  Upload text file  Access through order URL (e.g. from Reverb)  User guide 7 of 21

Why DAAC2Disk?  To download data over large areas or for long, continuous periods of time  No granule limits  No software installation required to script your downloads  No login required 8 of 21

Data Pool 9 of 21

LP DAAC2Disk Download Manager 10 of 21

DAAC2Disk: Web-based Interface 11 of 21

DAAC2Disk: Command Script 12 of 21

Tips for use  Use Google Chrome  Only browser that allows user to download metadata files  Change browser settings for data to download to a specific folder  Research data types/shortnames on the LP DAAC website, or other relevant DAAC websites 13 of 21

Getting data with DAAC2Disk  Use Case #1: Search by bounding box or tile  Use Case #2: Download data from two different DAACs with an input file  Use Case #3: Download data from Reverb order URL 14 of 21

 Review of Data Pool  Live demo – Web-based interface  Demo of script interface 15 of 21

Use Case #1: Download by bounding box or tile  Shortname  Version  Type of data file (Science, Metadata, Browse)  Timeframe  Bounding box coordinates or tile name  Output file to write to 16 of 21

Use Case #2: Download data from an input file  Search and select data for download as a text file in Reverb (reverb.echo.nasa.gov) 17 of 21

Use Case #2: Download data from an input file 18 of 21

 Search and order datasets from Reverb Use Case # 3: Download with order URL Delivery from Reverb 19 of 21

Use Case # 3: Download with order URL 20 of 21

Summary  Access all publicly available data from the LP and other DAACs  Use a simple GUI or command line script  Quickly download many granules of data over large areas or long periods of time 21 of 21