Supplement to: Pichevin, Laetitia; Ganeshram, Raja S; Francavilla, Stephen; Arellano-Torres, Elsa; Pedersen, Thomas F; Beaufort, Luc (2010): Interhemispheric leakage of isotopically heavy nitrate in the eastern tropical Pacific during the last glacial period. Paleoceanography, 25(1), PA1204, https://doi.org/10.1029/2009PA001754