2011
DOI: 10.1080/01431161.2011.616238
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Mapping seasonal trends in vegetation using AVHRR-NDVI time series in the Yucatán Peninsula, Mexico

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Cited by 49 publications
(36 citation statements)
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“…R 2 values can approach 0 under a correct model if the residual variance of y is always close to the total variance of y [35]. Numerous studies [36][37][38] identify harmonic regression as an appropriate model for our task, i.e., extraction of seasonal curve parameters and data smoothing. Thus, no additional verification of the model fit was required.…”
Section: Calculating Seasonality Metrics From Ndvi and Climatic Datamentioning
confidence: 99%
“…R 2 values can approach 0 under a correct model if the residual variance of y is always close to the total variance of y [35]. Numerous studies [36][37][38] identify harmonic regression as an appropriate model for our task, i.e., extraction of seasonal curve parameters and data smoothing. Thus, no additional verification of the model fit was required.…”
Section: Calculating Seasonality Metrics From Ndvi and Climatic Datamentioning
confidence: 99%
“…The TS trend estimator is insensitive to outliers and it has a breakdown bound of 29% [42,43,49,50]. This simply implies that the values of the TS slope tolerate outliers up to 29% of the observations used in the time series without degradation of its accuracy [44,51]. STA was also applied to the rainfall (TAMSAT) data for better comparison with NDVI.…”
Section: Analysis Of Seasonal Trendmentioning
confidence: 99%
“…To perform CMK test, three stepwise approach are involved. The first step account for the elimination of serial correlation in the NDVI and rainfall time series which might have influence on the trend test using a method known as prewhitening [44,53]. Prewhitening removes serial correlation from the residuals of both NDVI and rainfall while maintaining the trends in the dataset [55,56].…”
Section: Significance Test Of Sta Using Contextual Mann-kendall (Cmk)mentioning
confidence: 99%
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