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Richard D. Ricketts

Affiliation: University of Minnesota Duluth

Address: []

Orcid: 0000-0002-8899-3144

Project: EAGER - Introducing Early Career Scientists to Research on the Great Lakes (2 datasets)

Dataset	Latest Version Date	Current State
Particulate multi-element geochemical concentrations, dissolved barium concentrations and barium-isotopic data collected during the R/V Blue Heron cruise BH15-11 in Lake Superior during August 2015 Role: Co-Principal Investigator	2017-03-24	Final no updates expected
Underway data for Blue Heron cruise BH15-11 in the western arm of Lake Superior from August 2015 (Early Career Great Lakes research project, Novel Nutrient Paleoproxy project) Role: Co-Principal Investigator	2017-07-25	Final no updates expected

Project: Calibration of a Novel Nutrient Paleoproxy in the Southern Ocean (2 datasets)

Dataset	Latest Version Date	Current State
Particulate multi-element geochemical concentrations, dissolved barium concentrations and barium-isotopic data collected during the R/V Blue Heron cruise BH15-11 in Lake Superior during August 2015 Role: Co-Principal Investigator	2017-03-24	Final no updates expected
Underway data for Blue Heron cruise BH15-11 in the western arm of Lake Superior from August 2015 (Early Career Great Lakes research project, Novel Nutrient Paleoproxy project) Role: Co-Principal Investigator	2017-07-25	Final no updates expected

Project: Collaborative Research: Inventories of Primary Productivity by In-situ Mass Spectrometry in the Upper Ocean (2 datasets)

Dataset	Latest Version Date	Current State
CTD and underwater mass spectrometer data acquired in 2016 aboard the RV/Endeavor (cruise EN575) in the the subtropical Atlantic using a Triaxus tow vehicle. Role: Scientist	2021-03-03	Final no updates expected
CTD and underwater mass spectrometer data acquired in 2017 aboard the RV/Endeavor (cruise EN602) in the the subtropical Atlantic using a Triaxus tow vehicle. Role: Scientist	2021-03-04	Final no updates expected

Project: Collaborative Research: Cyanobacteria, Nitrogen Cycling, and Export Production in the Laurentian Great Lakes (1 datasets)

Dataset	Latest Version Date	Current State
CTD and in situ Sonde field data collected on Lake Superior and Lake Erie aboard the R/V Blue Heron and R/V Gibraltar III from May 2021 to May 2024 Role: Co-Principal Investigator	2025-08-18	Final no updates expected