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		<site>marte.sid.inpe.br 800</site>
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		<repository>dpi.inpe.br/lise/2001/09.19.07.42</repository>
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		<metadatarepository>dpi.inpe.br/lise/2001/09.19.07.42.20</metadatarepository>
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		<isbn>85-17-00016-1</isbn>
		<label>9266</label>
		<citationkey>ToledoBall:2001:VaEsUs</citationkey>
		<title>Variabilidade espaço-temporal do uso e cobertura do solo e a qualidade da água em duas microbacias hidrográficas do Estado de São Paulo</title>
		<format>CD-ROM, On-line.</format>
		<year>2001</year>
		<secondarydate>20010430</secondarydate>
		<secondarytype>PRE CN</secondarytype>
		<numberoffiles>1</numberoffiles>
		<size>44 KiB</size>
		<author>Toledo, André Marcondes Andrade,</author>
		<author>Ballester, Maria Victoria Ramos,</author>
		<affiliation>Universidade de São Paulo (USP). Escola Superior de Agricultura "Luiz de Queiroz" (ESALQ). Centro de Energia Nuclear na Agricultura (CENA).</affiliation>
		<affiliation>Universidade de São Paulo (USP). Escola Superior de Agricultura "Luiz de Queiroz" (ESALQ). Centro de Energia Nuclear na Agricultura (CENA).</affiliation>
		<editor>Krug, Thelma,</editor>
		<editor>Fonseca, Leila Maria Garcia,</editor>
		<e-mailaddress>erich@sid.inpe.br</e-mailaddress>
		<conferencename>Simpósio Brasileiro de Sensoriamento Remoto, 10 (SBSR).</conferencename>
		<conferencelocation>Foz do Iguaçu</conferencelocation>
		<date>21-26 abr. 2001</date>
		<publisher>INPE</publisher>
		<publisheraddress>São José dos Campos</publisheraddress>
		<pages>543-545</pages>
		<booktitle>Anais</booktitle>
		<tertiarytype>Sessão Poster</tertiarytype>
		<organization>Instituto Nacional de Pesquisas Espaciais</organization>
		<transferableflag>1</transferableflag>
		<keywords>ESTUDOS INTEGRADOS DO MEIO AMBIENTE, Bacia de Piracicamirim (SP)Bacia da Cabras (SP), limnologia, bacias hidrologicas, drenagem, uso da terra, qualidade a água, watersheds, drainage, land use, water quality.</keywords>
		<abstract>This study has two objectives. The first objective is to evaluate the land use changes in the Piracicamirim and Cabras watersheds during a 33 year-old period. The second is to identify the relationship between physical, biotic and anthropic aspects of the drainage basins and the water quality in the channel. Aerial photographs for the years 1962 and 1995 (scale 1:25,000)were used for obtaining thematic maps. During period considered, it was verified that in the Piracicamirim catchment there occurred a growth three times the urban area and of twice of the forest area. In the Cabras catchment the inverse occured, with a growth of two-times the urban area and three times the forest area. In a preliminary analysis it was observed that the medium values of the chemical composition of the Piracicamirim catchment were larger than those of Cabras catchment. Using these maps and various biogeochemical parameters obtained from the streams, it will be possible to constitute a digital database that will increase the understanding of the key processes that occur in these streams.</abstract>
		<area>SRE</area>
		<type>Limnologia</type>
		<language>pt</language>
		<targetfile>0543.545.283.pdf</targetfile>
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		<url>http://marte.sid.inpe.br/rep-/dpi.inpe.br/lise/2001/09.19.07.42</url>
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