GLOSSARY

This glossary provides definitions of important terms used in the descriptions of ISciences' capabilities and products.

Total blue water is uninhibited flow accumulated runoff. Low values relative to the norm suggest periods of water scarcity and increased competition amongst large point source users such as irrigation systems, urban water distribution systems, and electric power generation.  Large values can indicate wide area flooding.

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Many analyses reported in ISciences-authored blog posts are based on data generated by the ISciences Water Security Indicator Model (WSIM). Other sources, if used, are referenced in footnotes accompanying individual posts. WSIM is a validated capability that produces monthly reports on current and forecast global freshwater surpluses and deficits with lead times of 1-9 months at 0.25°x0.25° resolution. This capability has been in continuous operation since April 2011 and has proven to provide reliable forecasts of emerging water security concerns in that time-frame. WSIM has the ability to assess the impacts of water anomalies on people, agriculture, and electricity generation. Detailed data, customized visualizations, and reports are available for purchase.

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