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		<isbn>978-85-17-00088-1</isbn>
		<label>59561</label>
		<citationkey>QuirinoCaSaCaReRoPa:2017:AvInTe</citationkey>
		<title>Avaliação da influência da temperatura do dossel no crescimento, desenvolvimento e produtividade estimada por satélite na cultura de cana-de-açúcar</title>
		<format>Internet</format>
		<year>2017</year>
		<secondarytype>PRE CN</secondarytype>
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		<author>Quirino, Dayanna Teodoro,</author>
		<author>Casaroli, Derblai,</author>
		<author>Santos, Bruno Mateus,</author>
		<author>Caetano, Jordana Moura,</author>
		<author>Rezende, Anniely Karoline Gandara,</author>
		<author>Rodrigues, Lucas Alves,</author>
		<author>Paixão, Marilia Ribeiro Rodrigues,</author>
		<electronicmailaddress>dayanna_teodoro@hotmail.com</electronicmailaddress>
		<editor>Gherardi, Douglas Francisco Marcolino,</editor>
		<editor>Aragão, Luiz Eduardo Oliveira e Cruz de,</editor>
		<e-mailaddress>daniela.seki@inpe.br</e-mailaddress>
		<conferencename>Simpósio Brasileiro de Sensoriamento Remoto, 18 (SBSR)</conferencename>
		<conferencelocation>Santos</conferencelocation>
		<date>28-31 maio 2017</date>
		<publisher>Instituto Nacional de Pesquisas Espaciais (INPE)</publisher>
		<publisheraddress>São José dos Campos</publisheraddress>
		<pages>3523-3529</pages>
		<booktitle>Anais</booktitle>
		<organization>Instituto Nacional de Pesquisas Espaciais (INPE)</organization>
		<transferableflag>1</transferableflag>
		<abstract>The sugarcane crop suffers productivity losses as a function of the water deficit in the soil. The transpiration is directly linked to the atmospheric CO2 input in the plants, which will be used in the process of photosynthesis for the production of carbohydrates, in addition to this, it promotes plant thermoregulation. Thus, fully active plants (potential transpiration) tend to have lower leaf temperatures than those recorded in the environment; on the other hand, plants with depleted transpiration (less than potential) tend to maintain leaf temperature higher than that of air. However, the objective was to identify the water stress of sugarcane based on the difference between the air temperature and the leaf temperature (Ta-Tf) and to verify the possibility of using satellite images to obtain the temperature of the canopy of sugarcane -of sugar. For this, data on air and leaf temperature, as well as information on growth, development and productivity of sugarcane were collected, as well as estimating the canopy surface temperature using remote sensing images. The experiment was carried out in the municipality of Santo Antônio de Goiás - GO, whose productive area belongs to the Centro Álcool SA mill. The sugarcane variety CTC-4 was evaluated in a sugarcane cycle (2nd cut), without Irrigation, in the harvest year 2014/2015. The results showed that the surface temperature (Ts) better indicated the water stress in the plant than the leaf temperature (Tf), by means of the Ts-Ta difference, influencing the growth of the sugarcane crop. It was found that values of Ts-Ta> 4 ° C indicated condition of vegetal water stress. It is recommended to use remote sensing as a tool to monitor the water status of sugarcane.</abstract>
		<area>SRE</area>
		<type>Meteorologia e climatologia</type>
		<language>pt</language>
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