Chad Hammerschmidt

Affiliation: Wright State University

Address: []

Orcid: 0000-0003-1906-228X

Project: U.S. GEOTRACES North Atlantic Transect (GA03) (4 datasets)

Dataset	Latest Version Date	Current State
Concentration of atmospheric aerosol total mercury (Hg) from R/V Knorr cruises KN199-04 and KN204-01 (GA03) in the Subtropical northern Atlantic Ocean from 2010-2011 (U.S. GEOTRACES NAT project) Role: Co-Principal Investigator	2012-12-31	Final no updates expected
Particulate total mercury and monomethylmercury - US GEOTRACES NATZ from R/V Knorr KN199-04, KN204-01 in the subtropical North Atlantic Ocean from 2010-2011 (U.S. GEOTRACES NAT project) Role: Co-Principal Investigator	2013-03-05	Final no updates expected
Mercury speciation across the US GEOTRACES North Atlantic Zonal Section from R/V Knorr KN199-04, KN204-01 in the subtropical North Atlantic Ocean from 2010-2011 (U.S. GEOTRACES NAT project) Roles: Co-Principal Investigator, Contact	2017-04-11	Final no updates expected
Dissolved cysteine and glutathione from R/V Knorr KN199-04 in the subtropical North Atlantic Ocean from October 2010 (U.S. GEOTRACES NAT project) Roles: Principal Investigator, Contact	2013-03-05	Final no updates expected

Project: U.S. GEOTRACES East Pacific Zonal Transect (GP16) (2 datasets)

Dataset	Latest Version Date	Current State
Mercury speciation across the US GEOTRACES East Pacific Zonal Transect, from cruise TN303, 2013 Roles: Co-Principal Investigator, Contact	2016-11-18	Final no updates expected
Suspended particulate total mercury and monomethylmercury across the US GEOTRACES East Pacific Zonal Transect, from cruise TN303, 2013 Roles: Co-Principal Investigator, Contact	2016-06-14	Final no updates expected

Project: U.S. Arctic GEOTRACES Study (GN01) (3 datasets)

Dataset	Latest Version Date	Current State
[DEPRECATED] Dissolved mercury measurements from the Western Arctic Ocean, which were sampled as part of the 2015 US GEOTRACES Cruise (GN01; HLY1502) Role: Co-Principal Investigator	2018-06-22	Deprecated
[DEPRECATED] Particulate total mercury and particulate monomethylmercury concentrations from the Western Arctic Ocean, which were sampled by McLane pumps during he 2015 US GEOTRACES Cruise (GN01; HLY1502) Role: Co-Principal Investigator	2018-07-10	Deprecated
Concentrations of dissolved and particulate mercury species collected on the US GEOTRACES Arctic cruise (HLY1502, GN01) from August to October 2015 Role: Co-Principal Investigator	2021-02-03	Final no updates expected

Project: GEOTRACES Pacific Section: Mercury Speciation Along a Zonal Section in the Eastern Tropical South Pacific (2 datasets)

Dataset	Latest Version Date	Current State
Mercury speciation across the US GEOTRACES East Pacific Zonal Transect, from cruise TN303, 2013 Roles: Co-Principal Investigator, Contact	2016-11-18	Final no updates expected
Suspended particulate total mercury and monomethylmercury across the US GEOTRACES East Pacific Zonal Transect, from cruise TN303, 2013 Roles: Co-Principal Investigator, Contact	2016-06-14	Final no updates expected

Project: Collaborative Research: GEOTRACES Arctic Section: Mercury Speciation and Cycling in the Arctic Ocean (3 datasets)

Dataset	Latest Version Date	Current State
[DEPRECATED] Dissolved mercury measurements from the Western Arctic Ocean, which were sampled as part of the 2015 US GEOTRACES Cruise (GN01; HLY1502) Role: Co-Principal Investigator	2018-06-22	Deprecated
[DEPRECATED] Particulate total mercury and particulate monomethylmercury concentrations from the Western Arctic Ocean, which were sampled by McLane pumps during he 2015 US GEOTRACES Cruise (GN01; HLY1502) Role: Co-Principal Investigator	2018-07-10	Deprecated
Concentrations of dissolved and particulate mercury species collected on the US GEOTRACES Arctic cruise (HLY1502, GN01) from August to October 2015 Role: Co-Principal Investigator	2021-02-03	Final no updates expected