Exploring the correlation between Southern Africa NDVI and Paci ® c sea surface temperatures : results for the 1998 maize growing season
نویسندگان
چکیده
Several studies have identi® ed statistically signi® cant correlations between Paci® c sea surface temperature anomalies and NDVI anomalies in Southern Africa. The potential predictive value of the relationship was explored for the 1998 maize growing season. Cross-validation techniques suggested a more useful relationship for regions of wet anomaly than for regions of dry anomaly. Observed 1998 NDVI anomaly patterns were consistent with this result. Wet anomalies were observed as expected, but wide areas of expected dry anomalies exhibited average or above-average greeness.
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