Karen L. Casciotti

Affiliation: Stanford University
Address: []
Orcid: 0000-0002-5286-7795

Project: Expression of Microbial Nitrification in the Stable Isotopic Systematics of Oceanic Nitrite and Nitrate (8 datasets)

DatasetLatest Version DateCurrent State
Nitrate + nitrite concentration and d15N from the Eastern Tropical South Pacific collected on the R/V Atlantis (AT15-61) and R/V Melville (MV1104) in 2010-2011 (N2 fixation ETSP project, Microbial Nitrification project)

Role: Principal Investigator

2015-04-09Final no updates expected
Measurements of dissolved organic nitrogen concentration and d15N from R/V Atlantis and R/V Melville cruises in the Eastern Tropical South Pacific from 2010 to 2011.

Role: Co-Principal Investigator

2018-03-06Final no updates expected
Dissolved nitrite and ammonium concentration data from R/V Atlantis (AT15-61) cruise in Jan-Feb 2010 and R/V Melville (MV1104) cruise in Mar-Apr 2011 in the Eastern Tropical South Pacific

Role: Lead Principal Investigator

2020-08-06Final no updates expected
Nitrous oxide (N2O) concentrations and associated physicochemical parameters from R/V Atlantis cruise AT15-61 in Jan-Feb 2010 and R/V Melville cruise MV1104 in Mar-Apr 2011 in the Eastern Tropical South Pacific (ETSP)

Role: Principal Investigator

2023-07-28Final no updates expected
Ammonia oxidation, nitrite oxidation, and nitrate reduction rates from R/V Atlantis (AT15-61) cruise in Jan-Feb 2010 and R/V Melville (MV1104) cruise in Mar-Apr 2011 in the Eastern Tropical South Pacific

Role: Principal Investigator

2020-10-14Final no updates expected
Water column amoA and Nitrospina-like 16S rRNA gene abundances from qPCR in the Eastern Tropical South Pacific using seawater collected on R/V Atlantis (AT15-61) cruise in Jan-Feb 2010 and R/V Melville (MV1104) cruise in Mar-Apr 2011.

Role: Principal Investigator

2020-10-14Final no updates expected
Processed CTD data from cruises R/V Atlantis (AT15-61) in Jan-Feb 2010 and R/V Melville (MV1104) in Mar-Apr 2011 in the Eastern Tropical South Pacific

Role: Principal Investigator

2020-10-28Final no updates expected
Nitrate (NO3-) and Nitrite (NO2-) d15N and d18O from R/V Atlantis cruise AT15-61 in Jan-Feb 2010 and R/V Melville cruise MV1104 in Mar-Apr 2011 in the Eastern Tropical South Pacific (ETSP)

Role: Principal Investigator

2023-07-10Final no updates expected

Project: US GEOTRACES Pacific Meridional Transect (GP15) (14 datasets)

DatasetLatest Version DateCurrent State
Scientific sampling event log from the US GEOTRACES Pacific Meridional Transect (PMT) cruise (GP15) from September to November 2018

Roles: Co-Chief Scientist, Contact

2021-03-25Final no updates expected
Bottle file from Leg 1 (Seattle, WA to Hilo, HI) of the US GEOTRACES Pacific Meridional Transect (PMT) cruise (GP15, RR1814) on R/V Roger Revelle from September to October 2018

Roles: Principal Investigator, Contact

2021-05-05Final with updates expected
CTD profiles from the ODF rosette on the US GEOTRACES Pacific Meridional Transect (PMT) cruise (GP15) from September to November 2018

Roles: Principal Investigator, Contact

2020-07-22Final no updates expected
CTD data from the GTC rosette on the US GEOTRACES Pacific Meridional Transect (PMT) cruise (GP15) from September to November 2018

Roles: Co-Principal Investigator, Contact

2020-07-22Final no updates expected
Original scanned cast sheets (jpg format) of ODF rosette casts on the US GEOTRACES Pacific Meridional Transect (PMT) cruise (GP15) from September to November 2018

Roles: Principal Investigator, Contact

2020-08-05Final no updates expected
Original scanned console logs (jpg format) of ODF rosette casts on the US GEOTRACES Pacific Meridional Transect (PMT) cruise (GP15) from September to November 2018

Roles: Principal Investigator, Contact

2020-08-05Final no updates expected
Original scanned cast sheets (jpg and pdf formats) of the GTC rosette casts on the US GEOTRACES Pacific Meridional Transect (PMT) cruise (GP15) from September to November 2018

Roles: Co-Principal Investigator, Contact

2020-08-05Final no updates expected
Original scanned sample logs (jpg and pdf formats) from the GTC rosette casts on the US GEOTRACES Pacific Meridional Transect (PMT) cruise (GP15) from September to November 2018

Roles: Co-Principal Investigator, Contact

2020-08-05Final no updates expected
Original scanned sample logs (jpg format) from GeoFish tows on the US GEOTRACES Pacific Meridional Transect (PMT) cruise (GP15) from September to November 2018

Roles: Co-Principal Investigator, Contact

2020-08-07Final no updates expected
Bottle file from Leg 2 (Hilo, HI to Papeete, French Polynesia) of the US GEOTRACES Pacific Meridional Transect (PMT) cruise (GP15, RR1815) on R/V Roger Revelle from October to November 2018

Roles: Principal Investigator, Contact

2021-05-05Final with updates expected
Pigment concentrations determined by HPLC from samples collected on Leg 1 (Seattle, WA to Hilo, HI) of the US GEOTRACES Pacific Meridional Transect (PMT) cruise (GP15, RR1814) on R/V Roger Revelle from September to October 2018

Role: Co-Principal Investigator

2023-11-09Final no updates expected
Pigment concentrations determined by HPLC from samples collected on Leg 2 (Hilo, HI to Papeete, French Polynesia) of the US GEOTRACES Pacific Meridional Transect (PMT) cruise (GP15, RR1815) on R/V Roger Revelle from Oct-Nov 2018

Role: Co-Principal Investigator

2023-11-13Final no updates expected
Nitrate d15N and d18O from Niskin bottle samples collected on Leg 1 (Seattle, WA to Hilo, HI) of the US GEOTRACES Pacific Meridional Transect (PMT) cruise (GP15, RR1814) on R/V Roger Revelle from September to October 2018

Role: Co-Principal Investigator

2024-05-28Final no updates expected
Nitrate d15N and d18O from Niskin bottle samples collected on Leg 2 (Hilo, HI to Papeete, French Polynesia) of the US GEOTRACES Pacific Meridional Transect (PMT) cruise (GP15, RR1815) on R/V Roger Revelle from October to November 2018

Role: Co-Principal Investigator

2024-05-21Final no updates expected

Project: Solving Microbial Mysteries with Autonomous Technology (1 datasets)

DatasetLatest Version DateCurrent State
Bottle data and chemical analysis from Falkor cruise FK180624 in the Eastern Tropical North Pacific Ocean in 2018

Role: Principal Investigator

2020-12-02Final no updates expected