<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">tide gauges</topic></authority><related type="broader"><topic>measuring devices for height</topic></related><variant type="other"><topic>gages, tide</topic></variant><variant type="other"><topic>gauges, tide</topic></variant><variant type="other"><topic>mareographs</topic></variant><variant type="other"><topic>marigraphs</topic></variant><variant type="other"><topic>tide gages</topic></variant><variant type="other"><topic>tide gauge</topic></variant><variant type="other"><topic>tide-gages</topic></variant><variant type="other"><topic>tide-gauge</topic></variant><variant type="other"><topic>tide-gauges</topic></variant> <note xml:lang="en"><![CDATA[ Devices for measuring the height of tides; may consist of a graduated rod for visual observation or elaborate electronic devices making a continuous graphic record over time. ]]></note></mads>