1. Life's Influence on the Sedimentary Record: The Interplay of Ocean Chemistry, Circulation, and the Biological Pump Open Access Author: Hotinski, Roberta Michelle Title: Life's Influence on the Sedimentary Record: The Interplay of Ocean Chemistry, Circulation, and the Biological Pump Graduate Program: Geosciences Keywords: ocean stagnationPetheiPermianPrecambriancarbon isotopesanoxiabiogeochemical cycles File: Download Thesis.pdf Committee Members: Hiroshi Ohmoto, Committee MemberLee Kump, Committee Chair/Co-ChairMichael Allan Arthur, Committee MemberRaymond Gabriel Najjar Jr., Committee Member