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Click here for information on the NASA Direct Readout Conference (NDRC) Webinar

Direct Readout Laboratory

NDRC Webinar

Virtual NDRC Webinar Series

The NASA Direct Readout Conference (NDRC) Organizing Committee is pleased to announce the next in a series of webinars to facilitate communications among, and provide updates to, the Real-time (RT) and Near Real-time (NRT) remote sensing user communities. The focus of this webinar will be “Global Near Real-Time MODIS-based Flood Mapping - Upcoming Improvements and Transition to LANCE,” presented by Dr. Dan Slayback (NASA/GSFC).

Webinar Series Details

The NDRC webinar series provides a venue for awareness and exchange of remote sensing science research and corresponding RT/NRT applications using real-time and other low latency Earth observation capabilities. The series focuses on NDRC themes, topics and priorities, including updates on relevant science, algorithms, technologies, applications and systems. The frequency and topics of webinars in this series will be based on input articulated by interested participants. Presentations, action items, and relevant meeting notes will be published on the NASA DRL Web Portal.

Webinar Agenda
Date: April 1, 2020
Time: 11:00 a.m. Eastern Daylight Time (15:00 UTC)
  • Purpose/Objectives of the Webinar Series – Brad Quayle (USDA FS GTAC)
    Purpose and objectives of this effort related to NDRC, and relevant updates.

  • Global Near Real-Time MODIS-based Flood Mapping - Upcoming Improvements and Transition to LANCE. Flooding is the most destructive, frequent, and costly natural disaster faced by modern society, and is expected to increase in frequency and damage with climate change, sea-level rise, and population growth. Every year new record floods are widely reported; the unusual is becoming the normal. The toll of these events, in financial costs, displacement of individuals, and deaths, is substantial and continues to rise as climate change generates more extreme weather events.

    The disaster management community requires frequently updated and easily accessible information to better understand the extent of flooding and better coordinate response efforts. With funding from various NASA programs over the past decade, we have developed and operated the Near Real-Time Global Flood Mapping System (https://floodmap.modaps.eosdis.nasa.gov). The system applies a water detection algorithm to low latency MODIS imagery provided by NASA LANCE and outputs critical flood extent information for global events. Using imagery from both the Terra and Aqua platforms allows an initial daily assessment of flooding extent by late afternoon, and more robust assessments after accumulating cloud-free imagery over 2 or 3 days. Cloud cover is the primary limitation in detecting surface water from MODIS imagery, by both obscuring the surface, and false positives due to cloud shadows . Other issues include the relatively coarse scale of the MODIS imagery, the difficulty of detecting flood waters in areas with continuous canopy cover, confusion of terrain shadows with water, and accurately identifying detected water as flood as opposed to normal water extents.

    The Near Real-Time Global Flood Mapping System is currently transitioning from a PI-managed system at Goddard to LANCE-MODIS and includes optimization and improvements to several elements of the system. Anticipated results include lower-latency products, improved removal of false-positives, and an assessment of whether reported flood is "regular" (e.g., recurring due to normal annual hydrological cycles), or unusual (e.g., likely of most concern as a disaster). The LANCE integration will also leverage the ESDIS Worldview interface to visualize Global Flood Mapping System products for current and previous flood events in the context of other NASA EOS science data.

  • Meeting Wrap Up and Planning for Next Webinar – Brad Quayle
    Identify potential topics and presenters for the next webinar. We value your feedback as we evaluate future software technologies and algorithms, and prioritize resources accordingly to meet the needs of the global user community. 
How to Register
The NDRC webinar series is free, but registration is required and participation is limited. Preference will be given to organizations that facilitate decision support systems, other applications of Earth observation data that provide societal benefit, and end users of such systems and applications. To register, please complete and submit the registration form below by March 18 for organizing committee consideration. Invitees will be notified via email by March 25 and provided with instructions to access the webinar.
Registration Form
1. Email Address:
2. First Name:
3. Last Name:
4. Address:
5. City:
6. Country:
7. User Type:
8. Company/Institution/Agency Name:
9. Title:
10. How do you anticipate you and your organization contributing to this overall effort and providing benefit?
11. Are you attending specifically as a member of one of the following organizations (click all that apply)?
DRR (Disaster Risk Reduction) (e.g., UNISDR)
Conservation International
World Bank
12. How can the NDRC Webinar series help you to realize your RT/NRT processing objectives?
13. Are you interested in proposing an oral presentation on a relevant theme for a future webinar? If yes, please enter the topic of your potential contribution here.
14. Please provide suggestions for presentation topics at future NDRC webinars. Suggested topics include but are not limited to:
  • Updates on relevant remote sensing science, algorithms and data products for RT/NRT applications
  • Demonstrations of relevant technologies for RT/NRT data
  • Status and availability of RT/NRT sources
  • Spotlight applications and decision support systems that use RT/NRT data
  • Highlight opportunities for collaboration (data sharing, Cal/Val activities, feedback to space agencies, etc.)