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Staff and Affiliates Directory

Mr. Martin Q. Fleisher

Senior Staff Associate III, Geochemistry, Lamont-Doherty Earth Observatory (LDEO), Columbia Climate School
Comer 233 61 Route 9W Lamont-Doherty Earth Observatory Palisades, NY 10964 United States

PROJECTS

Only select projects listed below

Name	Start Date	End Date
Boundary Sources and Sink of 230Th, 232Th, and 231Pa n the NW Pacific	9/1/10	8/31/13
Collaborative Research: U.S. Geotraces Arctic Section: 230th, 232th and 231Pa tracers of trace element supply and removal	1/1/15	12/31/19
Collaborative Research: U.S. GEOTRACES North Atlantic Section: Analysis of 230Th, 232Th and 231Pa	4/1/10	3/31/15
Collaborative Research: U.S. GEOTRACES Pacific Meridional Transect: Thorium-232, Thorium-231 and Protactinium-231 as tracers of trace element supply and removal	11/1/17	10/31/20
Collaborative Research: US GEOTRACES Pacific Section: Analysis of 230Th, 232Th and 231Pa	1/1/13	12/31/17
Holocene Variability of the Deep Limb of Meridional Overturning Circulation	7/1/08	6/30/13
Patagonia Glaciation, Geochemical Tracers of Atlantic Meridional Overturning Circulation, and Iron Fertilization of the Glacial South Atlantic Ocean	9/1/08	8/31/13
Supply and removal of trace elements in the subtropical South Pacific (UltraPac)	10/1/15	9/30/16

8 PUBLICATIONS ON COLUMBIA | ACADEMIC COMMONS

Only select publications listed below

Name	Published Date
No iron fertilization in the equatorial Pacific Ocean during the last ice age	2016
230Th and 231Pa on GEOTRACES GA03, the U.S. GEOTRACES North Atlantic transect, and implications for modern and paleoceanographic chemical fluxes	2014
Biogeography in 231Pa/230Th ratios and a balanced 231Pa budget for the Pacific Ocean	2014
Biological response to millennial variability of dust and nutrient supply in the Subantarctic South Atlantic Ocean	2014
A new perspective on boundary scavenging in the North Pacific Ocean	2013
Quantifying Lithogenic Inputs to the North Pacific Ocean Using the Long-lived Thorium Isotopes	2013
GEOTRACES intercalibration of 230Th, 232Th, 231Pa, and prospects for 10Be	2012
Improvements to 232-thorium, 230-thorium, and 231- protactinium analysis in seawater arising from GEOTRACES intercalibration	2012