Timeline Visualization Uncovers Gaps in Archived Tsunami Water Level Data
Frontiers in Climate(2021)
Abstract
We demonstrate that data abstraction via a timeline visualization is highly effective at allowing one to discover patterns in the underlying data. We describe the rapid identification of data gaps in the archival time-series records of deep-ocean pressure and coastal water level observations collected to support the NOAA Tsunami Program and successful measures taken to rescue these data. These data gaps had persisted for years prior to the development of timeline visualizations to represent when data were collected. This approach can be easily extended to all types of time-series data and the author recommends this type of temporal visualization become a routine part of data management, whether one collects data or archives data.
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Key words
data management,data rescue,timeline,tsunamis,visualization,water level
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