Jeffrey W. Krause

Synonyms:

Jeff

Affiliation:

Dauphin Island Sea Lab (DISL)

Address:

101 Bienville Blvd
Dauphin Island, AL
USA 36528

ORCiD:

0000-0003-2479-6229

Activities reported for Jeffrey W. Krause:

Program coordination

None

Project coordination

Understanding the Role of Picocyanobacteria in the Marine Silicate Cycle (Si_in_Syn)	Principal Investigator
Group-Specific Diatom Silica Production in a Coastal Upwelling System (Diatom Group Si Prod)	Principal Investigator
The biotic and abiotic controls on the Silicon cycle in the northern Gulf of Mexico (CLASiC)	Principal Investigator, Contact
Collaborative Research: Understanding substrate limitation and Lithium and Silicon isotope fractionation during secondary clay formation in marine systems (Marine Secondary Clay Formation)	Lead Principal Investigator, Contact
Collaborative Research: RAPID: Extreme disturbances/perturbations to coastal deposition systems (Extreme Si)	Principal Investigator, Contact

Deployment coordination

Deployment	Synonyms	Platform	Role
PE17-04	CLASiC_2016	Pelican	Chief Scientist
PE17-20	CLASiC_2017	Pelican	Chief Scientist
PE22-15	Extreme Si - Dec, Extreme_Silica2021_12	Pelican	Chief Scientist
PE22-20	Extreme Si - Mar, Extreme_Silica2022_03	Pelican	Co-Chief Scientist
PE22-27	Extreme Si - Jun, Extreme_Silica2022_06	Pelican	Co-Chief Scientist
PE23-05	Extreme Si - Aug, Extreme_Silica2022_08	Pelican	Co-Chief Scientist
PS1312	DYEatom	Point Sur	Chief Scientist

Datasets

Project: Collaborative Research: RAPID: Extreme disturbances/perturbations to coastal deposition systems

Dataset	Version Date	Current State
Sediment core porewater and particulate measurements from three sites on the Louisiana Shelf sampled during R/V Pelican cruises from December 2021 through August 2022 Co-Principal Investigator	2023-12-11	Data not available

Project: The biotic and abiotic controls on the Silicon cycle in the northern Gulf of Mexico

Dataset	Version Date	Current State
Results from a laboratory-based investigation into sediment Silicon sorption capacities using standardized clay samples and the radioactive tracer 32Si Co-Principal Investigator	2024-04-16	Final no updates expected
An investigation into the characteristics of the reactive pools of Mississippi River plume sediments collected August to September of 2016 and May 2017 aboard the R/V Pelican. Co-Principal Investigator	2020-09-04	Final no updates expected
One meter binned CTD data collected aboard the R/V Pelican during PE17-04 and PE17-20 along the Northern Gulf of Mexico, specifically the Louisiana Shelf region dominated by the discharge of the Mississippi River plume. Principal Investigator	2020-08-27	Final no updates expected
Water column data sampled aboard the R/V Pelican during August and September 2016 and May 2017 in Northern Gulf of Mexico, specifically the Louisiana Shelf region dominated by the discharge of the Mississippi River plume. Principal Investigator	2020-09-01	Final no updates expected
Silicon Uptake Kinetics sampled aboard the R/V Pelican during during PE17-04 and PE17-20 along the Northern Gulf of Mexico, specifically the Louisiana Shelf region dominated by the discharge of the Mississippi River plume. Principal Investigator	2020-08-31	Final no updates expected
Silica and nitrogen analyses from incubation experiments conducted using seagrass cores from 1m depth in Grand Bay in 2017. Principal Investigator	2020-08-10	Final no updates expected
Use of a diatom inhibitor reveals contribution to seagrass ecosystem in experiments conducted using seagrass cores from 1m depth in Grand Bay in 2017. Principal Investigator	2020-08-10	Final no updates expected
Domoic acid assimilation in copepods by consuming organic polymers and Pseudo-nitzschia from experiments conducted using water samples collected in northern Gulf of Mexico in 2017 and 2018. Principal Investigator	2020-06-24	Final no updates expected
Domoic acid assimilation in copepods from experiments conducted using water samples collected in northern Gulf of Mexico in 2019 Principal Investigator	2020-06-24	Final no updates expected
Organic polymer formation and domoic acid adsorption from experiments conducted using water samples collected in northern Gulf of Mexico in 2018 and 2019 Principal Investigator	2020-06-24	Final no updates expected
Stable isotopes in reactive silica pools of Mississippi River plume sediments collected aboard the R/V Pelican in May 2017 Co-Principal Investigator	2020-01-08	Final no updates expected

Project: Collaborative Research: Resolving the processes controlling the distribution of the biogenic trace gas dimethylsulfide and related compounds in the Subarctic NE Pacific

Dataset	Version Date	Current State
Standing stocks and rates for organic sulfur compounds during summer in the subarctic Northeast Pacific Contact	2021-06-14	Final no updates expected

Project: Group-Specific Diatom Silica Production in a Coastal Upwelling System

Dataset	Version Date	Current State
Silica production rates and concentrations quantified using 32Si and PDMPO using samples from the R/V Point Sur cruise PS1312 along the Central California coast from June to July of 2013 (Diatom Group Si Prod project) Principal Investigator	2018-03-12	Final with updates expected
Silicon uptake rates from samples collected during the R/V Point Sur cruise PS1312 along the Central California coast from June to July of 2013 (Diatom Group Si Prod project) Principal Investigator	2018-03-12	Final with updates expected
Underway Data Acquisition System (UDAS) data from R/V Point Sur cruise PS1312 along the Central California coast from June to July of 2013 (Diatom Group Si Prod project) Principal Investigator	2017-08-29	Final no updates expected
CTD bottle data from R/V Point Sur cruise PS1312 off the Central California Coast from June to July of 2013 (Diatom Group Si Prod project) Principal Investigator, Contact	2017-08-16	Final no updates expected
CTD profiles from R/V Point Sur cruise PS1312 off the Central California Coast from June to July of 2013 (Diatom Group Si Prod project) Principal Investigator, Contact	2017-08-30	Final no updates expected

Project: Understanding the Role of Picocyanobacteria in the Marine Silicate Cycle

Dataset	Version Date	Current State
Silica uptake by Synechococcus cells in response to a gradient of silicic acid concentrations from lab experiments at Dauphin Island Sea Lab and University of Santa Barbara between 2012-2015 (Si_in_Syn project) Principal Investigator, Contact	2017-12-04	Final no updates expected
Synechococcus silica uptake rates from cultures with and without added orthophospate from laboratory experiments at the Dauphin Island Sea Lab from August of 2013 to September of 2014 (Si_in_Syn project) Principal Investigator, Contact	2017-12-04	Final no updates expected
Synechococcus cell silica uptake from cultures with added nutrients from laboratory experiments at the Dauphin Island Sea Lab between 2013 and 2015 (Si_in_Syn project) Principal Investigator, Contact	2017-12-04	Final no updates expected
Growth rate of Synechococcus cells grown in different silicic acid concentrations from laboratory experiments at the Dauphin Island Sea Lab between 2013 and 2015 (Si_in_Syn project) Principal Investigator, Contact	2017-12-04	Final no updates expected
Synechococcus silica quotas from cultures with various Si:P mole ratios from laboratory experiments at the Dauphin Island Sea Lab from June to August of 2015 (Si_in_Syn project) Principal Investigator, Contact	2017-12-04	Final no updates expected
Si quotas of Synechococcus cells grown in different silicic acid concentrations from laboratory experiments at the Dauphin Island Sea Lab between 2013 and 2015 (Si_in_Syn project) Principal Investigator, Contact	2017-12-04	Final no updates expected
Water-soluble fraction of silica in Synechococcus cells grown in different silicic acid concentrations from laboratory experiments at the Dauphin Island Sea Lab between 2013-2015 (Si_in_Syn project) Principal Investigator, Contact	2017-12-04	Final no updates expected
Silica quotas of Synechococcus cells cultured under varying light conditions from laboratory experiments at the Dauphin Island Sea Lab in 2014 (Si_in_Syn project) Principal Investigator, Contact	2017-12-04	Final no updates expected
Water column particulate silica, standing stocks, and productivity rates from R/V Atlantic Explorer cruises AE1218, AE1228, AE1319, AE1322 in Bermuda, and NW Atlantic from 2012-2013 (Si_in_Syn project) Principal Investigator, Contact	2016-01-05	Final no updates expected

Project: Costa Rica Dome FLUx and Zinc Experiments

Dataset	Version Date	Current State
Particulate biogenic silica fluxes from sediment trap arrays deployed on R/V Melville cruise MV1008 in the Costa Rica Dome in 2010 (CRD FLUZiE project) Contact	2015-04-23	Final no updates expected
Water-column particulate biogenic silica and net rate of biogenic silica production measured on R/V Melville cruise MV1008 in the Costa Rica Dome in 2010 (CRD FLUZiE project) Contact	2015-04-23	Final no updates expected

Database

Contribute Data

Jeffrey W. Krause

Activities reported for Jeffrey W. Krause: