• 6336 Citations
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1986 …2019
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Research Output 1986 2019

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Article
7 Citations (Scopus)

A coupled surface-subsurface modeling framework to assess the impact of climate change on freshwater wetlands

Yu, X., Bhatt, G., Duffy, C. J., Wardrop, D. H., Najjar, R. G., Ross, A. C. & Rydzik, M., Jan 1 2015, In : Climate Research. 66, 3, p. 211-228 18 p.

Research output: Contribution to journalArticle

Wetlands
Climate change
wetland
climate change
modeling

A fiscally based scale for tropical cyclone storm surge

Walker, A. M., Titley, D. W., Mann, M. E., Najjar, R. G. & Miller, S. K., Dec 1 2018, In : Weather and Forecasting. 33, 6, p. 1709-1723 15 p.

Research output: Contribution to journalArticle

storm surge
tropical cyclone
hurricane
economic analysis
damage
15 Citations (Scopus)

A global, Open-Ocean model of carbonyl sulfide and its air-Sea flux

Preiswerk, D. & Najjar, Jr., R. G., Jun 1 2000, In : Global Biogeochemical Cycles. 14, 2, p. 585-598 14 p.

Research output: Contribution to journalArticle

open ocean
sulfide
Fluxes
air
Air
76 Citations (Scopus)
Climatology
Silicates
remineralization
upper ocean
Nitrates
19 Citations (Scopus)

A modeling study of the seasonal oxygen budget of the global ocean

Jin, X., Najjar, R. G., Louanchi, F. & Doney, S. C., May 8 2007, In : Journal of Geophysical Research: Oceans. 112, 5, C05017.

Research output: Contribution to journalArticle

global budgets
global ocean
budgets
oceans
outgassing
70 Citations (Scopus)

Analysis of the mean annual cycle of the dissolved oxygen anomaly in the World Ocean

Najjar, R. G. & Keeling, R. F., Jan 1997, In : Journal of Marine Research. 55, 1, p. 117-151 35 p.

Research output: Contribution to journalArticle

annual cycle
dissolved oxygen
anomaly
ocean
oxygen
4 Citations (Scopus)

An approximate solution to the graetz problem with axial conduction and prescribed wall heat flux

Najjar, R. G. & Laohakul, C., Jan 1 1986, In : International Communications in Heat and Mass Transfer. 13, 3, p. 315-324 10 p.

Research output: Contribution to journalArticle

integral transformations
Peclet number
Newtonian fluids
laminar flow
Laminar flow
194 Citations (Scopus)
upper ocean
time series
chlorophyll
euphotic zone
phytoplankton
31 Citations (Scopus)

Annual cycles of nutrients and oxygen in the upper layers of the North Atlantic Ocean

Louanchi, F. & Najjar, Jr., R. G., Jun 18 2001, In : Deep-Sea Research Part II: Topical Studies in Oceanography. 48, 10, p. 2155-2171 17 p.

Research output: Contribution to journalArticle

annual cycle
oxygen
nutrient
summer
drawdown
42 Citations (Scopus)

Anthropogenic and climatic influences on carbon fluxes from eastern North America to the Atlantic Ocean: A process-based modeling study

Tian, H., Yang, Q., Najjar, R. G., Ren, W., Friedrichs, M. A. M., Hopkinson, C. S. & Pan, S., Apr 1 2015, In : Journal of Geophysical Research: Biogeosciences. 120, 4, p. 752-772 21 p.

Research output: Contribution to journalArticle

Atlantic Ocean
carbon flux
Carbon
dissolved inorganic carbon
Fluxes
2516 Citations (Scopus)

Anthropogenic ocean acidification over the twenty-first century and its impact on calcifying organisms

Orr, J. C., Fabry, V. J., Aumont, O., Bopp, L., Doney, S. C., Feely, R. A., Gnanadesikan, A., Gruber, N., Ishida, A., Joos, F., Key, R. M., Lindsay, K., Maier-Reimer, E., Matear, R., Monfray, P., Mouchet, A., Najjar, R. G., Plattner, G. K., Rodgers, K. B., Sabine, C. L. & 7 others, Sarmiento, J. L., Schlitzer, R., Slater, R. D., Totterdell, I. J., Weirig, M. F., Yamanaka, Y. & Yool, A., Sep 29 2005, In : Nature. 437, 7059, p. 681-686 6 p.

Research output: Contribution to journalArticle

Calcium Carbonate
Oceans and Seas
Carbon Dioxide
Pacific Ocean
Plankton
3 Citations (Scopus)

Assessing Phytoplankton Nutritional Status and Potential Impact of Wet Deposition in Seasonally Oligotrophic Waters of the Mid-Atlantic Bight

Sedwick, P. N., Bernhardt, P. W., Mulholland, M. R., Najjar, R. G., Blumen, L. M., Sohst, B. M., Sookhdeo, C. & Widner, B., Apr 16 2018, In : Geophysical Research Letters. 45, 7, p. 3203-3211 9 p.

Research output: Contribution to journalArticle

phytoplankton
nutritional status
wet deposition
nitrates
nitrate
1 Citation (Scopus)

Available energy of the world ocean

Bannon, P. R. & Najjar, R. G., Jun 27 2014, In : Journal of Marine Research. 72, 4, p. 219-242 24 p.

Research output: Contribution to journalArticle

ocean
energy
salinity
world
sea surface height
26 Citations (Scopus)

Biogeochemical protocols and diagnostics for the CMIP6 Ocean Model Intercomparison Project (OMIP)

Orr, J. C., Najjar, R. G., Aumont, O., Bopp, L., Bullister, J. L., Danabasoglu, G., Doney, S. C., Dunne, J. P., Dutay, J. C., Graven, H., Griffies, S. M., John, J. G., Joos, F., Levin, I., Lindsay, K., Matear, R. J., McKinley, G. A., Mouchet, A., Oschlies, A., Romanou, A. & 4 others, Schlitzer, R., Tagliabue, A., Tanhua, T. & Yool, A., Jun 9 2017, In : Geoscientific Model Development. 10, 6, p. 2169-2199 31 p.

Research output: Contribution to journalArticle

Ocean
Diagnostics
ocean
Carbon
tracer
31 Citations (Scopus)

Bridging river basin scales and processes to assess human-climate impacts and the terrestrial hydrologic system

Reed, P. M., Brooks, R. P., Davis, K. J., DeWalle, D. R., Dressler, K. A., Duffy, C. J., Lin, H., Miller, D. A., Najjar, R. G., Salvage, K. M., Wagener, T. & Yarnal, B., Jul 1 2006, In : Water Resources Research. 42, 7, W07418.

Research output: Contribution to journalArticle

climate effect
river basin
instrumentation
instrument platform
climate
20 Citations (Scopus)

Carbon Budget of Tidal Wetlands, Estuaries, and Shelf Waters of Eastern North America

Najjar, R. G., Herrmann, M., Alexander, R., Boyer, E. W., Burdige, D. J., Butman, D., Cai, W. J., Canuel, E. A., Chen, R. F., Friedrichs, M. A. M., Feagin, R. A., Griffith, P. C., Hinson, A. L., Holmquist, J. R., Hu, X., Kemp, W. M., Kroeger, K. D., Mannino, A., McCallister, S. L., McGillis, W. R. & 10 others, Mulholland, M. R., Pilskaln, C. H., Salisbury, J., Signorini, S. R., St-Laurent, P., Tian, H., Tzortziou, M., Vlahos, P., Wang, Z. A. & Zimmerman, R. C., Mar 2018, In : Global Biogeochemical Cycles. 32, 3, p. 389-416 28 p.

Research output: Contribution to journalArticle

carbon budget
Estuaries
Wetlands
Carbon
wetland
2 Citations (Scopus)

Carbon cycling in the North American coastal ocean: A synthesis

Fennel, K., Alin, S., Barbero, L., Evans, W., Bourgeois, T., Cooley, S., Dunne, J., Feely, R. A., Martin Hernandez-Ayon, J., Hu, X., Lohrenz, S., Muller-Karger, F., Najjar, R., Robbins, L., Shadwick, E., Siedlecki, S., Steiner, N., Sutton, A., Turk, D., Vlahos, P. & 1 others, Aleck Wang, Z., Mar 27 2019, In : Biogeosciences. 16, 6, p. 1281-1304 24 p.

Research output: Contribution to journalArticle

Open Access
oceans
synthesis
carbon
open ocean
ocean
1 Citation (Scopus)

Climate science and the broadcast meteorologist

Nese, J. M., Najjar, Jr., R. G. & Murgo, J. G., Dec 1 2012, In : Bulletin of the American Meteorological Society. 93, 12, p. 1913-1916 4 p.

Research output: Contribution to journalArticle

television
climate
global climate
climate modeling
general circulation model
52 Citations (Scopus)

Climate simulations of major estuarine watersheds in the Mid-Atlantic region of the US

Najjar, R., Patterson, L. & Graham, S., Jul 1 2009, In : Climatic Change. 95, 1-2, p. 139-168 30 p.

Research output: Contribution to journalArticle

watershed
climate
simulation
twentieth century
temperature
8 Citations (Scopus)
late glacial
lowlands
Canada
salinity
natural disaster
84 Citations (Scopus)

Denitrification effects on air-sea CO2 flux in the coastal ocean: Simulations for the northwest North Atlantic

Fennel, K., Wilkin, J., Previdi, M. & Najjar, R., Dec 28 2008, In : Geophysical Research Letters. 35, 24, L24608.

Research output: Contribution to journalArticle

alkalinity
denitrification
oceans
air
ocean
14 Citations (Scopus)

Diagnostic modeling of dimethylsulfide production in coastal water west of the Antarctic Peninsula

Herrmann, M., Najjar, R. G., Neeley, A. R., Vila-Costa, M., Dacey, J. W. H., DiTullio, G. R., Kieber, D. J., Kiene, R. P., Matrai, P. A., Simó, R. & Vernet, M., Jan 1 2012, In : Continental Shelf Research. 32, p. 96-109 14 p.

Research output: Contribution to journalArticle

biological production
dimethylsulfide
coastal water
modeling
physical models
42 Citations (Scopus)

Diel carbon monoxide cycling in the upper Sargasso Sea near Bermuda at the onset of spring and in midsummer

Zafiriou, O. C., Xie, H., Nelson, N. B., Najjar, R. G. & Wang, W., Mar 2008, In : Limnology and Oceanography. 53, 2, p. 835-850 16 p.

Research output: Contribution to journalArticle

Sargasso Sea
Bermuda
carbon monoxide
summer
mixed layer
26 Citations (Scopus)

Dimethylsulfide production in Sargasso Sea eddies

Bailey, K. E., Toole, D. A., Blomquist, B., Najjar, Jr., R. G., Huebert, B., Kieber, D. J., Kiene, R. P., Matrai, P., Westby, G. R. & del Valle, D. A., May 1 2008, In : Deep-Sea Research Part II: Topical Studies in Oceanography. 55, 10-13, p. 1491-1504 14 p.

Research output: Contribution to journalArticle

dimethylsulfide
eddy
mixed layer
dimethylsulfoniopropionate
vertical mixing
12 Citations (Scopus)

Dissolution of calcium carbonate: Observations and model results in the subpolar North Atlantic

Friis, K., Najjar, R. G., Follows, M. J., Dutkiewicz, S., Körtzinger, A. & Johnson, K. M., Jan 1 2007, In : Biogeosciences. 4, 2, p. 205-213 9 p.

Research output: Contribution to journalArticle

calcium carbonate
alkalinity
dissolution
saturation
12 Citations (Scopus)

Dissolved organic carbon fluxes in the Middle Atlantic Bight: An integrated approach based on satellite data and ocean model products

Mannino, A., Signorini, S. R., Novak, M. G., Wilkin, J., Friedrichs, M. A. M. & Najjar, R. G., Feb 2016, In : Journal of Geophysical Research: Biogeosciences. 121, 2, p. 312-336 25 p.

Research output: Contribution to journalArticle

ocean models
carbon flux
Organic carbon
dissolved organic carbon
integrated approach
236 Citations (Scopus)

Downward transport and fate of organic matter in the ocean: Simulations with a general circulation model

Najjar, R. G., Sarmiento, J. L. & Toggweiler, J. R., Mar 1992, In : Global Biogeochemical Cycles. 6, 1, p. 45-76 32 p.

Research output: Contribution to journalArticle

Biological materials
Nutrients
general circulation model
organic matter
nutrient
35 Citations (Scopus)

Eastern US continental shelf carbon budget: Integrating models, data assimilation, and analysis

Hofmann, E., Druon, J. N., Fennel, K., Friedrichs, M., Haidvogel, D., Lee, C., Mannino, A., McClain, C., Najjar, R., O'Reilly, J., Pollard, D., Previdi, M., Seitzinger, S., Siewert, J., Signorini, S. & Wilkin, J., Mar 1 2008, In : Oceanography. 21, SPL.ISS. 1, p. 86-104 19 p.

Research output: Contribution to journalArticle

carbon budget
data assimilation
continental shelf
data analysis

Estuarine Dissolved Organic Carbon Flux From Space: With Application to Chesapeake and Delaware Bays

Signorini, S. R., Mannino, A., Friedrichs, M. A. M., St-Laurent, P., Wilkin, J., Tabatabai, A., Najjar, R. G., Hofmann, E. E., Da, F., Tian, H. & Yao, Y., Jun 2019, In : Journal of Geophysical Research: Oceans. 124, 6, p. 3755-3778 24 p.

Research output: Contribution to journalArticle

Delaware Bay (US)
Chesapeake Bay (US)
Chesapeake Bay
carbon flux
Organic carbon
142 Citations (Scopus)

Evaluating global ocean carbon models: The importance of realistic physics

Doney, S. C., Lindsay, K., Caldeira, K., Campin, J. M., Drange, H., Dutay, J. C., Follows, M., Gao, Y., Gnanadesikan, A., Gruber, N., Ishida, A., Joos, F., Madec, G., Maier-Reimer, E., Marshall, J. C., Matear, R. J., Monfray, P., Mouchet, A., Najjar, R., Orr, J. C. & 8 others, Plattner, G. K., Sarmiento, J., Schlitzer, R., Slater, R., Totterdell, I. J., Weirig, M. F., Yamanaka, Y. & Yool, A., Sep 1 2004, In : Global Biogeochemical Cycles. 18, 3, p. GB3017 1-22

Research output: Contribution to journalArticle

global ocean
physics
Carbon
Physics
carbon
132 Citations (Scopus)

Evaluation of ocean carbon cycle models with data-based metrics

Matsumoto, K., Sarmiento, J. L., Key, R. M., Aumont, O., Bullister, J. L., Caldeira, K., Campin, J. M., Doney, S. C., Drange, H., Dutay, J. C., Follows, M., Gao, Y., Gnanadesikan, A., Gruber, N., Ishida, A., Joos, F., Lindsay, K., Maier-Reimer, E., Marshall, J. C., Matear, R. J. & 12 others, Monfray, P., Mouchet, A., Najjar, R., Plattner, G. K., Schlitzer, R., Slater, R., Swathi, P. S., Totterdell, I. J., Weirig, M. F., Yamanaka, Y., Yool, A. & Orr, J. C., Apr 16 2004, In : Geophysical Research Letters. 31, 7, p. L07303 1-4

Research output: Contribution to journalArticle

carbon cycle
oceans
evaluation
ocean
chlorofluorocarbons
147 Citations (Scopus)

Evaluation of ocean model ventilation with CFC-11: Comparison of 13 global ocean models

Dutay, J. C., Orr, J. C., Monfray, P., Bullister, J. L., Doney, S. C., Hecht, M. W., Lindsay, K., Najjar, R., Caldeira, K., Campin, J. M., Drange, H., Gao, Y., Follows, M., Marshall, J. C., Gruber, N., Sarmiento, J., Slater, R., Ishida, A., Yamanaka, Y., Joos, F. & 8 others, Plattner, G. K., Madec, G., Maier-Reimer, E., Matear, R. J., Schlitzer, R., Weirig, M. F., Totterdell, I. J. & Yool, A., Jan 1 2002, In : Ocean Modelling. 4, 2, p. 89-120 32 p.

Research output: Contribution to journalArticle

Chlorofluorocarbons
CFC
global ocean
Ventilation
ventilation
19 Citations (Scopus)

Factors determining the vertical profile of dimethylsulfide in the Sargasso Sea during summer

Gabric, A. J., Matrai, P. A., Kiene, R. P., Cropp, R., Dacey, J. W. H., DiTullio, G. R., Najjar, R. G., Simó, R., Toole, D. A., delValle, D. A. & Slezak, D., May 1 2008, In : Deep-Sea Research Part II: Topical Studies in Oceanography. 55, 10-13, p. 1505-1518 14 p.

Research output: Contribution to journalArticle

dimethylsulfide
vertical profile
summer
dimethylsulfoniopropionate
vertical mixing
10 Citations (Scopus)

Fingerprints of Sea Level Rise on Changing Tides in the Chesapeake and Delaware Bays

Ross, A. C., Najjar, R. G., Li, M., Lee, S. B., Zhang, F. & Liu, W., Oct 2017, In : Journal of Geophysical Research: Oceans. 122, 10, p. 8102-8125 24 p.

Research output: Contribution to journalArticle

Delaware Bay (US)
Chesapeake Bay (US)
Chesapeake Bay
Sea level
Tides
11 Citations (Scopus)

Geometric and topological approaches to significance testing in wavelet analysis

Schulte, J. A., Duffy, C. & Najjar, R. G., Mar 10 2015, In : Nonlinear Processes in Geophysics. 22, 2, p. 139-156 18 p.

Research output: Contribution to journalArticle

Wavelet analysis
wavelet analysis
Time series
wavelet
Testing

Heat-Engine and Entropy-Production Analyses of the World Ocean

Bannon, P. R. & Najjar, Jr., R. G., Nov 1 2018, In : Journal of Geophysical Research: Oceans. 123, 11, p. 8532-8547 16 p.

Research output: Contribution to journalArticle

heat engines
Heat engines
engines
entropy
engine

High-Frequency CO2 System Variability Over the Winter-to-Spring Transition in a Coastal Plain Estuary

Shadwick, E. H., Friedrichs, M. A. M., Najjar, R. G., De Meo, O. A., Friedman, J. R., Da, F. & Reay, W. G., Nov 1 2019, In : Journal of Geophysical Research: Oceans. 124, 11, p. 7626-7642 17 p.

Research output: Contribution to journalArticle

coastal plains
estuaries
Springs (water)
Carbonates
Estuaries
9 Citations (Scopus)

Household heating and cooling energy use in the northeast usa: Comparing the effects of climate change with those of purposive behaviors

Shorr, N., Najjar, R. G., Amato, A. & Graham, S., Jun 18 2009, In : Climate Research. 39, 1, p. 19-30 12 p.

Research output: Contribution to journalArticle

energy use
Climate change
Cooling
heating
cooling
139 Citations (Scopus)

Impact of circulation on export production, dissolved organic matter, and dissolved oxygen in the ocean: Results from Phase II of the Ocean Carbon-cycle Model Intercomparison Project (OCMIP-2)

Najjar, R. G., Jin, X., Louanchi, F., Aumont, O., Caldeira, K., Doney, S. C., Dutay, J. C., Follows, M., Gruber, N., Joos, F., Lindsay, K., Maier-Reimer, E., Matear, R. J., Matsumoto, K., Monfray, P., Mouchet, A., Orr, J. C., Plattner, G. K., Sarmiento, J. L., Schlitzer, R. & 4 others, Slater, R. D., Weirig, M. F., Yamanaka, Y. & Yool, A., Sep 2007, In : Global Biogeochemical Cycles. 21, 3, GB3007.

Research output: Contribution to journalArticle

Dissolved oxygen
carbon cycle
dissolved organic matter
Biological materials
dissolved oxygen
6 Citations (Scopus)

Impact of climate change and climate anomalies on hydrologic and biogeochemical processes in an agricultural catchment of the Chesapeake Bay watershed, USA

Wagena, M. B., Collick, A. S., Ross, A. C., Najjar, R. G., Rau, B., Sommerlot, A. R., Fuka, D. R., Kleinman, P. J. A. & Easton, Z. M., Oct 1 2018, In : Science of the Total Environment. 637-638, p. 1443-1454 12 p.

Research output: Contribution to journalArticle

agricultural catchment
Watersheds
Climate change
Catchments
Nutrients
67 Citations (Scopus)

Impact of climate variation and change on Mid-Atlantic Region hydrology and water resources

Neff, R., Chang, H., Knight, C. G., Najjar, R. G., Yarnal, B. & Walker, H. A., May 2 2000, In : Climate Research. 14, 3 SPECIAL 7, p. 207-218 12 p.

Research output: Contribution to journalArticle

Hydrology
climate variation
Water resources
streamflow
Groundwater
10 Citations (Scopus)

Impacts of Atmospheric Nitrogen Deposition on Surface Waters of the Western North Atlantic Mitigated by Multiple Feedbacks

St-Laurent, P., Friedrichs, M. A. M., Najjar, R. G., Martins, D. K., Herrmann, M., Miller, S. K. & Wilkin, J., Nov 2017, In : Journal of Geophysical Research: Oceans. 122, 11, p. 8406-8426 21 p.

Research output: Contribution to journalArticle

surface water
Surface waters
Nitrogen
Feedback
nitrogen
24 Citations (Scopus)

Increased nitrogen export from eastern North America to the Atlantic Ocean due to climatic and anthropogenic changes during 1901-2008

Yang, Q., Tian, H., Friedrichs, M. A. M., Hopkinson, C. S., Lu, C. & Najjar, R. G., Jan 1 2015, In : Journal of Geophysical Research G: Biogeosciences. 120, 6, p. 1046-1068 23 p.

Research output: Contribution to journalArticle

Atlantic Ocean
Nitrogen
nitrogen
ocean
particulate organic nitrogen
129 Citations (Scopus)

Increasing N abundance in the northwestern pacific ocean due to atmospheric nitrogen deposition

Kim, T. W., Lee, K., Najjar, R. G., Jeong, H. D. & Jeong, H. J., Oct 28 2011, In : Science. 334, 6055, p. 505-509 5 p.

Research output: Contribution to journalArticle

Pacific Ocean
Nitrogen
Oceans and Seas
Nitrates
Phosphorus
11 Citations (Scopus)

Influence of precipitation events on phytoplankton biomass in coastal waters of the eastern United States

Kim, T. W., Najjar, Jr., R. G. & Lee, K., Jan 1 2014, In : Global Biogeochemical Cycles. 28, 1, p. 1-13 13 p.

Research output: Contribution to journalArticle

Phytoplankton
Nutrients
coastal water
Biomass
phytoplankton
46 Citations (Scopus)

Is there a signal of sea-level rise in Chesapeake Bay salinity?

Hilton, T. W., Najjar, Jr., R. G., Zhong, L. & Li, M., Sep 8 2008, In : Journal of Geophysical Research: Oceans. 113, 9, C09002.

Research output: Contribution to journalArticle

Chesapeake Bay (US)
Chesapeake Bay
Sea level
salinity
sea level

Large Projected Decline in Dissolved Oxygen in a Eutrophic Estuary Due to Climate Change

Ni, W., Li, M., Ross, A. C. & Najjar, R. G., Nov 1 2019, In : Journal of Geophysical Research: Oceans. 124, 11, p. 8271-8289 19 p.

Research output: Contribution to journalArticle

estuaries
climate change
Estuaries
Dissolved oxygen
Climate change
2 Citations (Scopus)
oxygen consumption
estuaries
Estuaries
Dissolved oxygen
budgets
78 Citations (Scopus)

Mean annual cycle of the air-Sea oxygen flux: A global view

Najjar, Jr., R. G. & Keeling, R. F., Jun 1 2000, In : Global Biogeochemical Cycles. 14, 2, p. 573-584 12 p.

Research output: Contribution to journalArticle

annual cycle
Oxygen
Fluxes
oxygen
Climatology
15 Citations (Scopus)

Modeling geographic impacts on early Eocene ocean temperature

Najjar, R. G., Nong, G. T., Seidov, D. & Peterson, W. H., Aug 1 2002, In : Geophysical Research Letters. 29, 15, p. 40-41 2 p.

Research output: Contribution to journalArticle

ocean temperature
oceans
Eocene
sea surface temperature
tropical regions