• 6336 Citations
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1986 …2019
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Research Output 1986 2019

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Article
2007
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
102 Citations (Scopus)
Sediment traps
Carbonates
sediment trap
Rain
Dissolution
2006
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
29 Citations (Scopus)

Possible overestimation of shallow-depth calcium carbonate dissolution in the ocean

Friis, K., Najjar, R. G., Follows, M. J. & Dutkiewicz, S., Dec 1 2006, In : Global Biogeochemical Cycles. 20, 4, GB4019.

Research output: Contribution to journalArticle

Calcium Carbonate
calcium carbonate
Dissolution
dissolution
ocean
2005
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
2004
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
2003
8 Citations (Scopus)

Photochemical and physical modeling of carbonyl sulfide in the ocean

von Hobe, M., Najjar, R. G., Kettle, A. J. & Andreae, M. O., Jul 15 2003, In : Journal of Geophysical Research C: Oceans. 108, 7, p. 22-21 2 p.

Research output: Contribution to journalArticle

carbonyl sulfide
sulfides
oceans
sulfide
photoproduction
2002
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
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
2001
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
38 Citations (Scopus)

Modeling the biogeochemical cycle of dimethylsulfide in the upper ocean: A review

Gabric, A., Gregg, W., Najjar, Jr., R. G., Erickson, D. & Matrai, P., Dec 27 2001, In : Chemosphere - Global Change Science. 3, 4, p. 377-392 16 p.

Research output: Contribution to journalArticle

dimethylsulfide
biogeochemical cycle
upper ocean
Oceans and Seas
Ecosystems
172 Citations (Scopus)

Ocean stagnation and end-Permian anoxia

Hotinski, R. M., Bice, K. L., Kump, L. R., Najjar, R. G. & Arthur, M. A., Jan 2001, In : Geology. 29, 1, p. 7-10 4 p.

Research output: Contribution to journalArticle

anoxia
Permian
ocean
mass extinction
nutrient
38 Citations (Scopus)

Shallow remineralization in the Sargasso Sea estimated from seasonal variations in oxygen, dissolved inorganic carbon and nitrate

Ono, S., Ennyu, A., Najjar, R. G. & Bates, N. R., May 24 2001, In : Deep-Sea Research Part II: Topical Studies in Oceanography. 48, 8-9, p. 1567-1582 16 p.

Research output: Contribution to journalArticle

remineralization
dissolved inorganic carbon
seasonal variation
nitrate
oxygen
2000
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
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
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
31 Citations (Scopus)

Opening pandora's box: The impact of open system modeling on interpretations of anoxia

Hotinski, R. M., Kump, L. & Najjar, Jr., R. G., Jun 1 2000, In : Paleoceanography. 15, 3, p. 267-279 13 p.

Research output: Contribution to journalArticle

anoxia
modeling
ocean
upwelling
timescale
49 Citations (Scopus)

Simulation of ocean temperature change due to the opening of Drake Passage

Nong, G. T., Najjar, Jr., R. G., Seidov, D. & Peterson, W. H., Sep 1 2000, In : Geophysical Research Letters. 27, 17, p. 2689-2692 4 p.

Research output: Contribution to journalArticle

ocean temperature
polar regions
cooling
energy balance
simulation
138 Citations (Scopus)

The potential impacts of climate change on the mid-Atlantic coastal region

Najjar, R. G., Walker, H. A., Anderson, P. J., Barren, E. J., Bord, R. J., Gibson, J. R., Kennedy, V. S., Knight, C. G., Megonigal, J. P., O'Connor, R. E., Polsky, C. D., Psuty, N. P., Richards, B. A., Sorenson, L. G., Steele, E. M. & Swanson, R. S., May 2 2000, In : Climate Research. 14, 3 SPECIAL 7, p. 219-233 15 p.

Research output: Contribution to journalArticle

Sea level
Climate change
Wetlands
streamflow
climate change
56 Citations (Scopus)

The response of Chesapeake Bay salinity to climate-induced changes in streamflow

Gibson, J. R. & Najjar, R. G., Dec 2000, In : Limnology and Oceanography. 45, 8, p. 1764-1772 9 p.

Research output: Contribution to journalArticle

Chesapeake Bay
stream flow
streamflow
salinity
climate
1999
72 Citations (Scopus)

The water balance of the Susquehanna River Basin and its response to climate change

Najjar, R. G., Jun 1 1999, In : Journal of Hydrology. 219, 1-2, p. 7-19 13 p.

Research output: Contribution to journalArticle

streamflow
water budget
river basin
climate change
snow water equivalent
1998
92 Citations (Scopus)

Seasonal variations in the atmospheric O2/N2 ratio in relation to the kinetics of air-sea gas exchange

Keeling, R. F., Stephens, B. B., Najjar, R. G., Doney, S. C., Archer, D. & Heimann, M., Mar 1 1998, In : Global Biogeochemical Cycles. 12, 1, p. 141-163 23 p.

Research output: Contribution to journalArticle

gas exchange
seasonal variation
Gases
kinetics
Kinetics
1997
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
1996
194 Citations (Scopus)
upper ocean
time series
chlorophyll
euphotic zone
phytoplankton
1995
63 Citations (Scopus)

Photochemistry, mixing and diurnal cycles in the upper ocean

Doney, S. C., Najjar, Jr., R. G. & Stewart, S., Jan 1 1995, In : Journal of Marine Research. 53, 3, p. 341-369 29 p.

Research output: Contribution to journalArticle

photochemistry
upper ocean
boundary layer
physics
trapping
1993
137 Citations (Scopus)

What atmospheric oxygen measurements can tell us about the global carbon cycle

Keeling, R. F., Najjar, R. P., Bender, M. L. & Tans, P. P., Mar 1993, In : Global Biogeochemical Cycles. 7, 1, p. 37-67 31 p.

Research output: Contribution to journalArticle

carbon cycle
Carbon
Oxygen
oxygen
terrestrial ecosystem
1992
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
1986
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