| http://www.w3.org/ns/prov#value | - ???There were measurements of these tides before, but they were confined to very few spots,??? Shum said. ???To get really accurate measurements ??? and make really accurate models of how the tides are interacting with the ice ??? you???d need to put tide gauges or other equipment all over the ocean bottom underneath an ice shelf, and that???s not practical.???
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