<?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">sea level</topic></authority><related type="other"><topic>sea-level rise</topic></related><related type="broader"><topic>earth sciences concepts</topic></related><variant type="other"><topic>mean sea level</topic></variant><variant type="other"><topic>sea level, mean</topic></variant> <note xml:lang="en"><![CDATA[ The level corresponding to the surface of the sea at mean level between high and low tides, used as a standard for the measurement of heights. ]]></note></mads>