<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/schema/zthes-1.0.dtd">  <Zthes><term><termId>3755</termId><termName>Ciencias de la tierra</termName><termType>PT</termType><termLanguage>es</termLanguage><termVocabulary>INDICES DE MATERIAS</termVocabulary>	<termStatus>active</termStatus>	<termApproval>approved</termApproval>	<termSortkey>Ciencias de la tierra</termSortkey><termNote label="Scope"><![CDATA[ <p>Se puede usar con un subencabezamiento geográfico.</p> ]]></termNote><termNote label="History"><![CDATA[ <p>Revisada el 9 de marzo de 2020</p> ]]></termNote><termNote label="Source"><![CDATA[ <p>CDU: <strong>55</strong></p> ]]></termNote><termNote label="Source"><![CDATA[ <p>Fuente: <strong>USE</strong></p> ]]></termNote><termCreatedDate>Ciencias de la tierra</termCreatedDate><relation><relationType>UF</relationType><termId>12536</termId><termName>Geociencias</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>3888</termId><termName>Área 05. Geología Física y Ambiental</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>12501</termId><termName>Area 02. Geografía general y regional</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>1981</termId><termName>Edafología</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>12538</termId><termName>Ciencias medioambientales</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>12539</termId><termName>Satélites artificiales en ciencias de la tierra</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>3742</termId><termName>Geofísica</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>3805</termId><termName>Geoquímica</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>3826</termId><termName>Geobiología</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>1397</termId><termName>Geografía</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>29</termId><termName>Geología</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>3894</termId><termName>Hidrología</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>1426</termId><termName>Meteorología</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>3751</termId><termName>Oceanografía</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>11298</termId><termName>Atmósfera</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>12537</termId><termName>Ciencias naturales</termName><termType>PT</termType></relation></term>  </Zthes>