TY - RPRT TI - Stable-isotope and solute-chemistry approaches to flow characterization in a forested tropical watershed, Luquillo Mountains, Puerto Rico AU - Martha A. Scholl AU - James B. Shanley AU - Sheila F. Murphy AU - Jane Willenbring AU - Marcie Occhi AU - Grizelle Gonzalez PY - 2015 DO - 10.1016/j.apgeochem.2015.03.008 UR - https://pubs.usgs.gov/publication/70187015 ID - 70187015 ER -