<?xml version="1.0" encoding="UTF-8"?>
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" attributeFormDefault="unqualified" version="0.6.50">
	<xsd:annotation>
		<xsd:documentation>

		**********************************************************************  Schema Overview  **************************************************************
			Definition: 			Controlled vocabulary schema for DLESE metadata frameworks
			Framework use: 		ADN-I (item)
			Source org:			DLESE Program Center (DPC); http://www.dlese.org
			Source values:		DPC
			Source last update:	2003-05-27
			DPC last update:		2003-05-27
			Notes: 				Maintained at the DPC. Developed by the DLESE community at the 2000 AGU meeting.

		</xsd:documentation>
	</xsd:annotation>
	<xsd:annotation>
		<xsd:documentation>************************  Changes  ******************************
			2003-05-27: Changed term 'None of the above' to 'Other'
		</xsd:documentation>
	</xsd:annotation>
	<xsd:annotation>
		<xsd:documentation>************************  Complex Types  ******************************************</xsd:documentation>
	</xsd:annotation>
	<xsd:annotation>
		<xsd:documentation>***********************  Simple Types  *************************************</xsd:documentation>
	</xsd:annotation>
	<xsd:simpleType name="DLESEsubjectType">
		<xsd:annotation>
			<xsd:documentation>
				***************************************  DLESEsubjectType  *****************************************
				Lists the values that will appear in the metadata record.
			</xsd:documentation>
		</xsd:annotation>
		<xsd:restriction base="xsd:string">
			<xsd:enumeration value="DLESE:Agricultural science"/>
			<xsd:enumeration value="DLESE:Atmospheric science"/>
			<xsd:enumeration value="DLESE:Biological oceanography"/>
			<xsd:enumeration value="DLESE:Biology"/>
			<xsd:enumeration value="DLESE:Chemical oceanography"/>
			<xsd:enumeration value="DLESE:Chemistry"/>
			<xsd:enumeration value="DLESE:Climatology"/>
			<xsd:enumeration value="DLESE:Cryology"/>
			<xsd:enumeration value="DLESE:Ecology"/>
			<xsd:enumeration value="DLESE:Educational theory and practice"/>
			<xsd:enumeration value="DLESE:Environmental science"/>
			<xsd:enumeration value="DLESE:Forestry"/>
			<xsd:enumeration value="DLESE:Geochemistry"/>
			<xsd:enumeration value="DLESE:Geologic time"/>
			<xsd:enumeration value="DLESE:Geology"/>
			<xsd:enumeration value="DLESE:Geophysics"/>
			<xsd:enumeration value="DLESE:History and philosophy of science"/>
			<xsd:enumeration value="DLESE:Human geography"/>
			<xsd:enumeration value="DLESE:Hydrology"/>
			<xsd:enumeration value="DLESE:Mathematics"/>
			<xsd:enumeration value="DLESE:Mineralogy or petrology"/>
			<xsd:enumeration value="DLESE:Natural hazards"/>
			<xsd:enumeration value="DLESE:Other"/>
			<xsd:enumeration value="DLESE:Paleontology"/>
			<xsd:enumeration value="DLESE:Physical geography"/>
			<xsd:enumeration value="DLESE:Physical oceanography"/>
			<xsd:enumeration value="DLESE:Physics"/>
			<xsd:enumeration value="DLESE:Policy issues"/>
			<xsd:enumeration value="DLESE:Soil science"/>
			<xsd:enumeration value="DLESE:Space science"/>
			<xsd:enumeration value="DLESE:Structural geology"/>
			<xsd:enumeration value="DLESE:Technology"/>
		</xsd:restriction>
	</xsd:simpleType>
	<xsd:simpleType name="DLESEsubjectLeafType">
		<xsd:annotation>
			<xsd:documentation>
				***************************************  DLESEsubjectLeafType  *****************************************
				Lists the values that will appear in the metadata record.
			</xsd:documentation>
		</xsd:annotation>
		<xsd:restriction base="xsd:string">
			<xsd:enumeration value="Agricultural science"/>
			<xsd:enumeration value="Atmospheric science"/>
			<xsd:enumeration value="Biological oceanography"/>
			<xsd:enumeration value="Biology"/>
			<xsd:enumeration value="Chemical oceanography"/>
			<xsd:enumeration value="Chemistry"/>
			<xsd:enumeration value="Climatology"/>
			<xsd:enumeration value="Cryology"/>
			<xsd:enumeration value="Ecology"/>
			<xsd:enumeration value="Educational theory and practice"/>
			<xsd:enumeration value="Environmental science"/>
			<xsd:enumeration value="Forestry"/>
			<xsd:enumeration value="Geochemistry"/>
			<xsd:enumeration value="Geologic time"/>
			<xsd:enumeration value="Geology"/>
			<xsd:enumeration value="Geophysics"/>
			<xsd:enumeration value="History and philosophy of science"/>
			<xsd:enumeration value="Human geography"/>
			<xsd:enumeration value="Hydrology"/>
			<xsd:enumeration value="Mathematics"/>
			<xsd:enumeration value="Mineralogy or petrology"/>
			<xsd:enumeration value="Natural hazards"/>
			<xsd:enumeration value="Other"/>
			<xsd:enumeration value="Paleontology"/>
			<xsd:enumeration value="Physical geography"/>
			<xsd:enumeration value="Physical oceanography"/>
			<xsd:enumeration value="Physics"/>
			<xsd:enumeration value="Policy issues"/>
			<xsd:enumeration value="Soil science"/>
			<xsd:enumeration value="Space science"/>
			<xsd:enumeration value="Structural geology"/>
			<xsd:enumeration value="Technology"/>
		</xsd:restriction>
	</xsd:simpleType>
	<xsd:annotation>
		<xsd:documentation>*** LICENSE INFORMATION *****
		Copyright 2002, 2003 DLESE Program Center
		University Corporation for Atmospheric Research (UCAR)
		P.O. Box 3000, Boulder, CO 80307, United States of America
		email: support@dlese.org. 
These schemas are free software; you can redistribute them and/or modify them under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.  These schemas are distributed in the hope that they will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this project; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA  
		</xsd:documentation>
	</xsd:annotation>
</xsd:schema>

