Raymond Najjar

Affiliation:

Pennsylvania State University (PSU)

Address:

Department of Meteorology and Atmospheric Science
503 Walker Building
University Park, PA
USA 16802

ORCiD:

0000-0002-2960-5965

Activities reported for Raymond Najjar:

Program coordination

None

Project coordination

Collaborative Research: Impacts of atmospheric nitrogen deposition on the biogeochemistry of oligotrophic coastal waters (DANCE)	Lead Principal Investigator, Contact
Collaborative Research: Multiple Stressors in the Estuarine Environment: What drives changes in the Carbon Dioxide system? (Estuarine Stressors)	Principal Investigator, Contact
Collaborative Research: Estuarine metabolism and gas exchange determined from dissolved oxygen time series: method development, field evaluation, and application to historical data (MAGIC)	Lead Principal Investigator, Contact
Collaborative Research: How are estuarine carbon and alkalinity dynamics influenced by macrobiota? (CHALK)	Principal Investigator

Deployment coordination

Deployment	Synonyms	Platform	Role
HRS1414		Hugh R. Sharp	Chief Scientist

Datasets

Project: Collaborative Research: Multiple Stressors in the Estuarine Environment: What drives changes in the Carbon Dioxide system?

Dataset	Version Date	Current State
High-Frequency CO2-system observations from a moored sensor in the York River Co-Principal Investigator	2023-02-27	Preliminary and in progress
Computed (from pH) surface partial pressure and air-water flux of carbon dioxide in the mainstem Chesapeake Bay from 1998 to 2018 Principal Investigator	2023-02-17	Final no updates expected
Alkalinity, Salinity, Bivalve Biomass, Streamflow and, Submerged Aquatic Vegetation in Tidal Tributaries of the Chesapeake Bay from 1984 to 2018. Principal Investigator	2023-02-17	Final no updates expected

Project: Collaborative Research: Impacts of atmospheric nitrogen deposition on the biogeochemistry of oligotrophic coastal waters

Dataset	Version Date	Current State
Nutrients and iron in shipboard aerosol and rain samples collected during R/V Hugh R. Sharp cruise HRS1414 in the Mid-Atlantic Bight and northern South-Atlantic Bight from July to August of 2014 (DANCE project) Co-Principal Investigator	2018-06-18	Final no updates expected
Dissolved inorganic nitrogen, chlorophyll-a, and primary production from bioassay experiments during the R/V Hugh R. Sharp cruise HRS1414 in the Mid and South-Atlantic Bight in August of 2014 (DANCE project) Co-Principal Investigator	2018-04-25	Final no updates expected
Trace-metals from CTD casts and underway water samples collected during the R/V Hugh R. Sharp cruise HRS1414 in the Mid and South-Atlantic Bight in August of 2014 (DANCE project) Co-Principal Investigator	2018-04-25	Final no updates expected
Temperature and salinity from drifters deployed during R/V Hugh R. Sharp DANCE cruise HRS1414 in the Mid and South-Atlantic Bight from July to August of 2014 (DANCE project) Principal Investigator, Contact	2018-04-19	Final no updates expected
Net primary production and nutrient data from R/V Hugh R. Sharp cruise HRS1414 CTD casts in the Mid and South-Atlantic Bight from July to August of 2014 (DANCE project) Co-Principal Investigator	2018-04-19	Final no updates expected
AQMET Air quality and meteorological measurements measured measured during DANCE cruise HRS1414 aboard the R/V Hugh R. Sharp from July to August 2014. Principal Investigator	2018-04-05	Final no updates expected
Total column ozone (O3) measured measured during DANCE cruise HRS1414 aboard the R/V Hugh R. Sharp from July to August 2014. Principal Investigator	2018-03-27	Final no updates expected
Total column nitrogen dioxide (NO2) measured measured during DANCE cruise HRS1414 aboard the R/V Hugh R. Sharp from July to August 2014. Principal Investigator	2018-03-27	Final no updates expected
Temperature and salinity data from binned CTD data collected during R/V Hugh R. Sharp cruise HRS1414 in the Mid and South-Atlantic Bight from July to August of 2014 (DANCE project) Principal Investigator, Contact	2018-03-23	Final no updates expected

Project: U.S. JGOFS Synthesis and Modeling

Dataset	Version Date	Current State
Monthly Oceanic Upper Layer Nutrient Climatologies, 1999 (U.S. JGOFS Synthesis & Modeling Phase project results) Co-Principal Investigator, Contact	1999-10-15	Final no updates expected
Evaluation and intercomparison of three-dimensional marine carbon cycle models, OGCM/OCMIP-Najjar, 2005 (U.S. JGOFS Synthesis & Modeling Phase project results) Co-Principal Investigator	2005-10-24	Final no updates expected

Status message

Database

Contribute Data

Raymond Najjar

Activities reported for Raymond Najjar: