2010
DOI: 10.21704/rea.v9i1-2.405
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Análisis Comparativo Entre Clorofila-a Satelital E in Situ en El Ecosistema De Afloramiento Peruano, Entre 1998 – 2007

Abstract: ResumenEl ecosistema de afloramiento peruano posee una alta variabilidad espacial y temporal en su producción primaria, que puede ser inferida a partir de observaciones de clorofila-a in situ y vía satélite. Las diferencias entre la clorofila-a in situ del IMARPE (Cla i ) y clorofila-a satelital del SeaWiFS (Cla s ) fueron estudiadas usando valores coincidentes en el espacio y tiempo, para conocer la relación entre Cla i y Cla s a partir de un modelo de regresión lineal simple. Asimismo, se determinó el ajuste… Show more

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Cited by 3 publications
(5 citation statements)
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“…These areas experience less influence from phytoplankton and other organic and inorganic particles. Overall, the correlation coefficient of R 2 = 0.664 falls within the range observed in other studies (Campbell & O'Reilly, 2006;Quispe et al, 2010).…”
Section: Discussionsupporting
confidence: 90%
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“…These areas experience less influence from phytoplankton and other organic and inorganic particles. Overall, the correlation coefficient of R 2 = 0.664 falls within the range observed in other studies (Campbell & O'Reilly, 2006;Quispe et al, 2010).…”
Section: Discussionsupporting
confidence: 90%
“…Las aguas fuera de la plataforma continental (Caso I) tienen mayor correlación (R 2 de 0,613), debido a sus propiedades ópticas más estables y a estar alejadas de las regiones costeras (Caso II), además tienen poca influencia del fitoplancton y otras partículas orgánicas e inorgánicas. En general, la correlación R 2 = 0,664 se encuentra en el rango de otros trabajos (Campbell & O'Reilly, 2006;Quispe et al, 2010).…”
Section: Conclusionesunclassified
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“…Method 1 (M1) corresponds to a CV > 0.2 (BAILEY; WERDELL, 2006), whereas method 2 (M2) corresponds to a CV > 0.4. We also used a third method (M3) consisting of the determination of the nearest neighbor, in which the field observation is compared to the nearest pixel (QUISPE et al, 2010 where cov. represents the covariance and SD, the standard deviation.…”
Section: Datamentioning
confidence: 99%
“…Prior to the comparison, the field and satellite data were transformed to their base 10 logarithm; this improves the distribution of errors (QUISPE et al, 2010) because the bio-optical data have lognormal distribution (CAMPBELL, 1995). Finally, scatterplots were drawn and the quadratic coefficients of determination or squared correlation coefficients (R 2 ) were calculated.…”
Section: Datamentioning
confidence: 99%