<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/schema/zthes-1.0.dtd">  <Zthes><term><termId>4049</termId><termName>Mar - Nivel</termName><termType>PT</termType><termLanguage>es</termLanguage><termVocabulary>INDICES DE MATERIAS</termVocabulary>	<termStatus>active</termStatus>	<termApproval>approved</termApproval>	<termSortkey>Mar - Nivel</termSortkey><termNote label="Scope"><![CDATA[ <p>Se puede usar con un subencabezamiento geográfico.</p> ]]></termNote><termNote label="History"><![CDATA[ <p>Revisada el 12 de marzo de 2020</p> ]]></termNote><termNote label="Source"><![CDATA[ <p>CDU: <strong>551.461.2</strong></p> ]]></termNote><termNote label="Source"><![CDATA[ <p>Fuente: <strong>Suplem. USE</strong></p> ]]></termNote><termCreatedDate>Mar - Nivel</termCreatedDate><termModifiedDate>2009-05-28 09:43:09</termModifiedDate><relation><relationType>UF</relationType><termId>4050</termId><termName>Bajamar</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>11500</termId><termName>Nivel marino</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>4052</termId><termName>Nivel del mar</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>3998</termId><termName>Área 07. Oceanografía Física</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>11293</termId><termName>Área 5. Cambio climático</termName><termType>PT</termType></relation></term>  </Zthes>