Raymond G. Najjar

13.2k total citations · 2 hit papers
98 papers, 5.0k citations indexed

About

Raymond G. Najjar is a scholar working on Oceanography, Global and Planetary Change and Atmospheric Science. According to data from OpenAlex, Raymond G. Najjar has authored 98 papers receiving a total of 5.0k indexed citations (citations by other indexed papers that have themselves been cited), including 74 papers in Oceanography, 36 papers in Global and Planetary Change and 26 papers in Atmospheric Science. Recurrent topics in Raymond G. Najjar's work include Marine and coastal ecosystems (62 papers), Oceanographic and Atmospheric Processes (34 papers) and Marine Biology and Ecology Research (25 papers). Raymond G. Najjar is often cited by papers focused on Marine and coastal ecosystems (62 papers), Oceanographic and Atmospheric Processes (34 papers) and Marine Biology and Ecology Research (25 papers). Raymond G. Najjar collaborates with scholars based in United States, Australia and Tunisia. Raymond G. Najjar's co-authors include Scott C. Doney, J. R. Toggweiler, Jorge L. Sarmiento, Ralph F. Keeling, Marjorie A. M. Friedrichs, Pierre Regnier, Kitack Lee, Philippe Ciais, Laure Resplandy and Ming Li and has published in prestigious journals such as Nature, Science and Proceedings of the National Academy of Sciences.

In The Last Decade

Raymond G. Najjar

95 papers receiving 4.8k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

The land-to-ocean loops of the global carbon cycle

2022 319 citations Pierre Regnier, Raymond G. Najjar et al. profile →
Coastal vegetation and estuaries are collectively a greenhouse gas sink

2023 112 citations Judith A. Rosentreter, Goulven G. Laruelle et al. Nature Climate Change profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Raymond G. Najjar United States	39	3.3k	1.7k	1.3k	1.2k	714	98	5.0k
Simone R. Alin United States	32	3.2k 1.0×	1.9k 1.1×	1.9k 1.5×	841 0.7×	982 1.4×	77	4.8k
Peter Berg United States	40	2.9k 0.9×	1.0k 0.6×	1.9k 1.5×	762 0.6×	1.2k 1.6×	98	5.0k
Elizabeth A. Canuel United States	42	3.0k 0.9×	1.3k 0.8×	3.2k 2.6×	1.6k 1.2×	1.3k 1.8×	98	6.5k
V. V. S. S. Sarma India	45	4.9k 1.5×	1.9k 1.2×	1.9k 1.5×	1.2k 0.9×	1.0k 1.5×	204	6.5k
Denis Gilbert Canada	28	2.9k 0.9×	1.3k 0.8×	1.2k 1.0×	638 0.5×	592 0.8×	53	4.1k
François Darchambeau Belgium	34	1.8k 0.6×	1.1k 0.6×	1.3k 1.1×	497 0.4×	1.3k 1.8×	75	3.5k
Steven E. Lohrenz United States	43	4.7k 1.4×	1.5k 0.9×	1.8k 1.5×	634 0.5×	1.2k 1.7×	106	6.2k
Ronny Lauerwald France	29	2.7k 0.8×	1.6k 1.0×	1.4k 1.1×	1.0k 0.8×	1.8k 2.5×	64	5.0k
Serge Heussner France	43	3.0k 0.9×	1.1k 0.6×	1.8k 1.4×	1.7k 1.4×	533 0.7×	91	5.5k
Shuh‐Ji Kao China	46	2.9k 0.9×	1.1k 0.7×	2.7k 2.1×	2.7k 2.2×	1.4k 2.0×	223	7.0k

Countries citing papers authored by Raymond G. Najjar

Since Specialization

Citations

This map shows the geographic impact of Raymond G. Najjar's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Raymond G. Najjar with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Raymond G. Najjar more than expected).

Fields of papers citing papers by Raymond G. Najjar

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Raymond G. Najjar. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Raymond G. Najjar. The network helps show where Raymond G. Najjar may publish in the future.

Co-authorship network of co-authors of Raymond G. Najjar

This figure shows the co-authorship network connecting the top 25 collaborators of Raymond G. Najjar. A scholar is included among the top collaborators of Raymond G. Najjar based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Raymond G. Najjar. Raymond G. Najjar is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Drohan, Patrick J., et al.. (2025). Microplastic polymer accumulation, distribution, and toxicity in sediment of a freshwater tidal marsh, USA. Marine Pollution Bulletin. 221. 118566–118566.

Da, Fei, Marjorie A. M. Friedrichs, Pierre St‐Laurent, et al.. (2024). Influence of Rivers, Tides, and Tidal Wetlands on Estuarine Carbonate System Dynamics. Estuaries and Coasts. 47(8). 2283–2305. 2 indexed citations

Friedrichs, Marjorie A. M., Raymond G. Najjar, Maria Herrmann, et al.. (2023). Impacts and uncertainties of climate-induced changes in watershed inputs on estuarine hypoxia. Biogeosciences. 20(10). 1937–1961. 11 indexed citations

Rosentreter, Judith A., Goulven G. Laruelle, Hermann W. Bange, et al.. (2023). Coastal vegetation and estuaries are collectively a greenhouse gas sink. Nature Climate Change. 13(6). 579–587. 112 indexed citations breakdown →

Shen, Chunqi, Jeremy M. Testa, Maria Herrmann, & Raymond G. Najjar. (2022). Decoupling of Estuarine Hypoxia and Acidification as Revealed by Historical Water Quality Data. Environmental Science & Technology. 57(1). 780–789. 14 indexed citations

Liu, Peng, Christopher T. Reinhard, Noah J. Planavsky, et al.. (2021). Triple oxygen isotope constraints on atmospheric O ₂ and biological productivity during the mid-Proterozoic. Proceedings of the National Academy of Sciences. 118(51). 13 indexed citations

St‐Laurent, Pierre, Marjorie A. M. Friedrichs, Raymond G. Najjar, et al.. (2020). Relative impacts of global changes and regional watershed changes on the inorganic carbon balance of the Chesapeake Bay. Biogeosciences. 17(14). 3779–3796. 39 indexed citations

Ross, Andrew, Raymond G. Najjar, & Ming Li. (2020). A Metamodel-Based Analysis of the Sensitivity and Uncertainty of the Response of Chesapeake Bay Salinity and Circulation to Projected Climate Change. Estuaries and Coasts. 44(1). 70–87. 9 indexed citations

Ross, Andrew & Raymond G. Najjar. (2019). Evaluation of methods for selecting climate models to simulate future hydrological change. Climatic Change. 157(3-4). 407–428. 14 indexed citations

10.

Ni, Wenfei, Ming Li, Andrew Ross, & Raymond G. Najjar. (2019). Large Projected Decline in Dissolved Oxygen in a Eutrophic Estuary Due to Climate Change. Journal of Geophysical Research Oceans. 124(11). 8271–8289. 75 indexed citations

11.

Bannon, Peter R. & Raymond G. Najjar. (2018). Heat‐Engine and Entropy‐Production Analyses of the World Ocean. Journal of Geophysical Research Oceans. 123(11). 8532–8547. 7 indexed citations

12.

Ross, Andrew, et al.. (2017). Fingerprints of Sea Level Rise on Changing Tides in the Chesapeake and Delaware Bays. Journal of Geophysical Research Oceans. 122(10). 8102–8125. 53 indexed citations

13.

Duffy, Christopher, et al.. (2015). Geometric and topological approaches to significance testing in wavelet analysis. Nonlinear processes in geophysics. 22(2). 139–156. 16 indexed citations

14.

Ross, Andrew, et al.. (2015). Sea-level rise and other influences on decadal-scale salinity variability in a coastal plain estuary. Estuarine Coastal and Shelf Science. 157. 79–92. 61 indexed citations

15.

Bannon, Peter R. & Raymond G. Najjar. (2014). Available energy of the world ocean. Journal of Marine Research. 72(4). 219–242. 2 indexed citations

16.

Kim, Tae‐Wook, et al.. (2011). Increasing N Abundance in the Northwestern Pacific Ocean Due to Atmospheric Nitrogen Deposition. Science. 334(6055). 505–509. 217 indexed citations

17.

Friis, Karsten, Raymond G. Najjar, Michael J. Follows, et al.. (2007). Dissolution of calcium carbonate: observations and model results in the subpolar North Atlantic. Biogeosciences. 4(2). 205–213. 14 indexed citations

18.

Ono, Shuhei, et al.. (2001). Shallow remineralization in the Sargasso Sea estimated from seasonal variations in oxygen, dissolved inorganic carbon and nitrate. Deep Sea Research Part II Topical Studies in Oceanography. 48(8-9). 1567–1582. 42 indexed citations

19.

Doney, Scott C., David M. Glover, & Raymond G. Najjar. (1996). A new coupled, one-dimensional biological-physical model for the upper ocean: Applications to the JGOFS Bermuda Atlantic Time-series Study (BATS) site. Deep Sea Research Part II Topical Studies in Oceanography. 43(2-3). 591–624. 209 indexed citations

20.

Sarmiento, Jorge L., J. R. Toggweiler, & Raymond G. Najjar. (1988). Ocean carbon-cycle dynamics and atmospheric Pco2. Philosophical Transactions of the Royal Society of London Series A Mathematical and Physical Sciences. 325(1583). 3–21. 66 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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