The Depths of Human Impact: Mapping Dissolved Inorganic Carbon along a North-South Transect in the Tropical Pacific Ocean

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Abstract/Contents

Abstract: in order to better understand the impacts of atmospheric emissions of anthropogenic CO2 the carbon cycle of the Pacific Ocean was analyzed along a transect from Honolulu to Palmyra Atoll and Kingman Reef in the Northern Line Islands. Along the Transect, water samples were collected from discrete depths and analyzed for alkalinity and total dissolved inorganic carbon. From these two measured parameters, the entire carbon cycle was back calculated and compared to historic carbon cycle data contained in the GLODAP and TCO2+TALK datasets. From this comparison, I found that there were minimal changes in tDIC and pH along the transect, yet the partial pressure of CO2 increased similarly to atmospheric changes and was potentially impacted by a La Niña event. Additionally, increases in Revelle factors along the transect indicate changes in the ability of the region to uptake CO2, anthropogenic or otherwise.

Type of resource	text
Date created	June 12, 2011

Author	Archambault, Adrian

Subject	Stanford@SEA
Subject	S-235
Subject	Hopkins Marine Station
Subject	Department of Biology
Subject	Department of Earth System Science
Subject	BIOHOPK 182H
Subject	BIOHOPK 323H
Subject	EARTHSYS 323
Subject	ESS 323
Subject	carbon cycle
Subject	Palmyra Atoll
Subject	Honolulu
Subject	Pacific transect
Subject	Kingman Reef
Subject	Line Islands
Genre	Student project report

Location	https://purl.stanford.edu/hs429mr6109

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License: This work is licensed under a Creative Commons Attribution 3.0 Unported license (CC BY).

Preferred Citation: Adrian Archambault, 2011. The Depths of Human Impact: Mapping Dissolved Inorganic Carbon along a North-South Transect in the Tropical Pacific Ocean. Unpublished student research paper, S-235, Stanford@SEA, Stanford Digital Repository. https://purl.stanford.edu/hs429mr6109.

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