The US Geological Survey monitors water quality, resevoir levels and a variety
of other information. This JSP collects real time gage height data from Lake Tahoe,
California and puts it into an area chart.
Like many of the other real time data demos here, this chart relies on external data sources
that may constrain the speed of page refreshes. KavaChart's imaging engine is capable of
generating thousands of pages per minute on a typical server.
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