Projects per year
Personal profile
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
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Dive into the research topics where Raymond Gabriel Najjar, Jr. is active. These topic labels come from the works of this person. Together they form a unique fingerprint.
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Collaborations and top research areas from the last five years
Recent external collaboration on country/territory level. Dive into details by clicking on the dots or
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Collaborative Research: How are estuarine carbon and alkalinity dynamics influenced by macrobiota?
Najjar, Jr., R. G. (PI), Fantle, M. S. (CoPI) & Herrmann, M. (CoPI)
7/1/22 → 6/30/26
Project: Research project
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Collaborative Research: Estuarine metabolism and gas exchange determined from dissolved oxygen time series: method development, field evaluation, and application to historical data
Najjar, Jr., R. G. (PI), Herrmann, M. (CoPI) & Hill, K. M. (CoPI)
1/1/20 → 12/31/23
Project: Research project
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REU Site: Interdisciplinary Climate Science Research at The Pennsylvania State University
Najjar, Jr., R. G. (PI) & Jenkins, G. S. (CoPI)
9/15/19 → 8/31/24
Project: Research project
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RESPONSE OF CARBON CYCLING TO CLIMATIC AND ANTHROPOGENIC PERTURBATIONS IN TWO NORTH AMERICAN SUBTROPICAL ESTUARIES
Najjar, Jr., R. G. (PI)
2/24/17 → 2/23/20
Project: Research project
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REU Site: Climate Science Research at The Pennsylvania State University
Najjar, Jr., R. G. (PI) & Nese, J. M. (CoPI)
5/1/16 → 4/30/20
Project: Research project
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Freshwater faces a warmer and saltier future from headwaters to coasts: climate risks, saltwater intrusion, and biogeochemical chain reactions
Kaushal, S. S., Shelton, S. A., Mayer, P. M., Kellmayer, B., Utz, R. M., Reimer, J. E., Baljunas, J., Bhide, S. V., Mon, A., Rodriguez-Cardona, B. M., Grant, S. B., Newcomer-Johnson, T. A., Malin, J. T., Shatkay, R. R., Collison, D. C., Papageorgiou, K., Escobar, J., Rippy, M. A., Likens, G. E. & Najjar, R. G. & 4 others, , Apr 2025, In: Biogeochemistry. 168, 2, 31.Research output: Contribution to journal › Article › peer-review
Open Access -
A Synthesis of Global Coastal Ocean Greenhouse Gas Fluxes
Resplandy, L., Hogikyan, A., Müller, J. D., Najjar, R. G., Bange, H. W., Bianchi, D., Weber, T., Cai, W. J., Doney, S. C., Fennel, K., Gehlen, M., Hauck, J., Lacroix, F., Landschützer, P., Le Quéré, C., Roobaert, A., Schwinger, J., Berthet, S., Bopp, L. & Chau, T. T. T. & 15 others, , Jan 2024, In: Global Biogeochemical Cycles. 38, 1, e2023GB007803.Research output: Contribution to journal › Article › peer-review
Open Access32 Scopus citations -
Decadal changes in microplastic accumulation in freshwater sediments: Evaluating influencing factors
Bussarakum, J., Burgos, W. D., Cohen, S. B., Van Meter, K., Sweetman, J. N., Drohan, P. J., Najjar, R. G., Arriola, J. M., Pankratz, K., Emili, L. A. & Warner, N. R., Dec 1 2024, In: Science of the Total Environment. 954, 176619.Research output: Contribution to journal › Article › peer-review
1 Scopus citations -
Divergent responses of nitrogen-species loadings to future climate change in the Chesapeake Bay watershed
Bian, Z., Pan, S., Najjar, R. G., Friedrichs, M. A. M., Hofmann, E. E., Herrmann, M., Hinson, K. E., St-Laurent, P. & Tian, H., Dec 2024, In: Journal of Hydrology: Regional Studies. 56, 102060.Research output: Contribution to journal › Article › peer-review
Open Access -
Fitting metabolic models to dissolved oxygen data: The estuarine Bayesian single-station estimation method
Beck, M. W., Arriola, J. M., Herrmann, M. & Najjar, R. G., Aug 2024, In: Limnology and Oceanography: Methods. 22, 8, p. 590-607 18 p.Research output: Contribution to journal › Article › peer-review
Open Access