Apr 15, 2026  
2026-2027 Undergraduate and Graduate Catalog 
    
2026-2027 Undergraduate and Graduate Catalog

ERTH 410 - Biogeochemical Cycles


(3 units)

Prerequisites: ERTH 102, BIOL 200, CHEM 111A & CHEM 111B, ERTH 300 or instructor consent.
Study of carbon, nitrogen, phosphorus, iron, and sulfur cycles among the bio-, hydro-, and geospheres with an emphasis on transfer rates, mass balance, and residence times. Evaluation of processes and interactions among key ecosystems (wetlands, rivers, ocean, lakes, estuaries).

Letter grade only (A-F). Not repeatable for credit. Double Numbered with: ERTH 510