Rivers 1998	d18O	
Santa mouth	-12.8	
Moche mouth	-10.3	


Rivers 1999	d18O	
Santa mouth	-14.1	
Santa inland	-14.1	
Moche mouth	-12.3	
Viru mouth	-12.3	
Chao mouth	-11.5	
Chicama intertidal	-4.5	

Pacifc @ Huanchaco 98-1	-0.3	
Pacifc @ Huanchaco 98-2	-0.8	(during rain)
Pacifc @ Huanchaco 99-1	-0.3	
Pacifc @ Huanchaco 99-2	-0.5