We used a shell of the mollusk Pinctada margaritifera, which shows very strong iridescence col- ors, to study how this color is pro- duced in the layers of nacre in shells. From observations with a scanning electron microscope (SEM), this particular shell exhibits a very fine-scale diffrac...
1 June 2018 Abstract: The purpose of the paper is to take advantage of recent work on the study of resonantly forced baroclinic waves in the tropical Pacific to significantly reduce systematic and random forecasting errors resulting from the current statistical models intended to predict El Niño....