In legal and environmental research, "" is a well-known term. It refers to water that exists in legal documents and rights but does not physically exist in the reservoirs or rivers due to overallocation.
There are several papers on using AR to "see" hidden water infrastructure: waterar
: Using sensors to detect ripples in real water and projecting digital "fish" or "waves" that react to the movement. In legal and environmental research, "" is a well-known term
: Visualizing how rising water levels would impact a specific real-world neighborhood using geolocation. 3. "Paper Water" (Conceptual) In legal and environmental research
Water that exists as water rights claims in legal documents but not in the real world is known as "paper water". California Water Impact Network