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

Diving into the Data Pool with DAAC2DiskKelly LemigERT, Inc., contractor to the U.S. Geological Survey (USGS) Earth Resources Observation and Science (EROS) CenterSioux 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 https://lpdaac.usgs.gov/

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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

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Outline

What is DAAC2Disk? Why use DAAC2Disk? Who would use DAAC2Disk? Use Cases – how/why use this tool? Questions

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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)

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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

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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

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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

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Data Pool

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LP DAAC2Disk Download Manager

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DAAC2Disk: Web-based Interface

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DAAC2Disk: Command Script

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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

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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

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

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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

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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)

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Use Case #2: Download data from an input file

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Search and order datasets from Reverb

Use Case # 3: Download with order URL

Delivery email from Reverb

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Use Case # 3: Download with order URL

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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

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