For example, the worst droughts in the colonial history of india mid 1590s, 1629 to 1633. From december 1997, this image shows the change of sea surface temperature from normal. Report card of marine climate change for australia 2012. Enso is a coupled oscillation in the tropical pacific ocean and atmosphere, characterized in the ocean by a shift in the position of the very warm water that makes up the tropical western pacific warm pool. The connection between earths oceans and atmosphere has a direct impact on the weather and climate conditions we experience. History, in which this book is published, derives from richards vision. When driven with historical climate data, we found that this. Variability of the tropical atmosphere pages 957 download pdf.
Yet it is only now that we are coming to appreciate the. Changes in ensos behaviour has a significant influence on rainfall probabilities in inland nsw during the winter and spring period. Beginning with the work of sir gilbert walker in the 1930s, climatologists recognized a similar interannual change in the tropical atmosphere, which walker termed the southern oscillation so. It can be explained neither in strictly oceanographic nor strictly meteorological terms. Yet it is only now that we are coming to appreciate the significance of the phenomenon. Book chapter full text access chapter 6 interactions between the ocean and atmosphere. Dec 12, 2005 dear stakeholders, nws is working on improving approaches for communication of the nws climate products. Comprehensive and uptodate information on earths most dominant yeartoyear climate variation. The soi is one measure of the largescale fluctuations in air pressure occurring between the western and eastern tropical pacific i. Southern oscillation index soi teleconnections national. These warmer or cooler than normal ocean temperatures can affect weather patterns. It can be explained in neither strictly oceanographic nor strictly meteorological terms. For centuries, peruvian fishermen reaped a bounty off the pacific coast of south america, where north and westflowing currents pulled cool, nutrientrich water from the deep.