Great Barrier Reef Map -- NE Australia (IMAGE) University of Sydney Caption a) map shows the extend of the 2 regions (i-north, ii-south) of the GBR used in this study. b) background map shows the average rainfall annual distribution based on 30-year records (1961-1990) encompassing several ENSO events (7 El Ni?no - 5 La Ni?na). White lines highlight precipitation 0.5 m/a contours. Red arrows define prevailing annual offshore wave directions scaled based on their annual activity. Wave heights (H) imposed for the considered. Credit Map a) Source: Project 3DGBR - eAtlas.org.au). Map b) Source: Bureau of Meteorology Usage Restrictions Must credit License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.