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Gregory J. Hakim

national oceanic atmospheric admin (noaa) - usa

45H-index
317Paper Count
7.5KCitation Count
Published Papers 54
Publication Date
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Roles of MJO and Tropical-Extratropical Interactions in Subseasonal Conditions Related to Landfalling Atmospheric Rivers
errJournal of Climate
IF4
err2026-02-01
err0
PREAI
errToride, Kinya; Hakim, Gregory J.; Hoell, Andrew
errShare
errSave
Coupled Seasonal Data Assimilation of Sea Ice, Ocean, and Atmospheric Dynamics over the Last Millennium
errJOURNAL OF CLIMATE
IF4
err2025-12-01
err0
PREAI
errMeng, Zilu; Hakim, Gregory J.; Steig, Eric J.
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errSave
Monthly Sea Surface Temperature, Sea Ice, and Sea Level Pressure over 1850-2023 from Coupled Data Assimilation
errJOURNAL OF CLIMATE
IF4
err2025-10-01
err0
PREAI
errCooper, Vincent T.; Hakim, Gregory J.; Armour, Kyle C.
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errSave
Temporal Comparisons Involving Paleoclimate Data Assimilation: Challenges and Remedies
errJOURNAL OF CLIMATE
IF4
err2025-03-01
err0
PREAI
errMile-geay, Julien; Hakim, Gregory j.; Viens, Frederi; Zhu, Feng; Amrhein, Daniel e.
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errSave
Coupled decline in ocean pH and carbonate saturation during the Palaeocene-Eocene Thermal Maximum
errNATURE GEOSCIENCE
IF16.1
err2024-11-12
err0
PREAI
errLi, Mingsong; Kump, Lee R.; Ridgwell, Andy; Tierney, Jessica E.; Hakim, Gregory J.; Malevich, Steven B.; Poulsen, Christopher J.; Tardif, Robert; Zhang, Haoxun; Zhu, Jiang
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errSave
cfr (v2024.1.26): a Python package for climate field reconstruction
errGEOSCIENTIFIC MODEL DEVELOPMENT
IF4.9
err2024-04-30
err1
errOAAI
errZhu, Feng; Emile-Geay, Julien; Hakim, Gregory J.; Guillot, Dominique; Khider, Deborah; Tardif, Robert; Perkins, Walter A.
errShare
errSave
Last Glacial Maximum pattern effects reduce climate sensitivity estimates
errSCIENCE ADVANCES
IF12.5
err2024-04-19
err6
errOAAI
errCooper, Vincent T.; Armour, Kyle C.; Hakim, Gregory J.; Tierney, Jessica E.; Osman, Matthew B.; Proistosescu, Cristian; Dong, Yue; Burls, Natalie J.; Andrews, Timothy; Amrhein, Daniel E.; Zhu, Jiang; Dong, Wenhao; Ming, Yi; Chmielowiec, Philip
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Last millennium hurricane activity linked to endogenous climate variability
errNATURE COMMUNICATIONS
IF15.7
err2024-01-27
err5
errOAAI
errYang, Wenchang; Wallace, Elizabeth; Vecchi, Gabriel A.; Donnelly, Jeffrey P.; Emile-Geay, Julien; Hakim, Gregory J.; Horowitz, Larry W.; Sullivan, Richard M.; Tardif, Robert; van Hengstum, Peter J.; Winkler, Tyler S.
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errSave
Spatial patterns of climate change across the Paleocene-Eocene Thermal Maximum
errPROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
IF9.1
err2022-10-10
err51
errOAAI
errTierney, Jessica E.; Zhu, Jiang; Li, Mingsong; Ridgwell, Andy; Hakim, Gregory J.; Poulsen, Christopher J.; Whiteford, Ross D. M.; Rae, James W. B.; Kump, Lee R.
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errSave
What Distinguishes MJO Events Associated with Atmospheric Rivers?
errJOURNAL OF CLIMATE
IF4
err2022-09-15
err3
errOAAI
errToride, Kinya; Hakim, Gregory J.
errShare
errSave
Reconstructing Arctic Sea Ice over the Common Era Using Data Assimilation
errJOURNAL OF CLIMATE
IF4
err2022-02-15
err9
PREAI
errBrennan, M. Kathleen; Hakim, Gregory J.
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errSave
A re-appraisal of the ENSO response to volcanism with paleoclimate data assimilation
errNATURE COMMUNICATIONS
IF15.7
err2022-02-08
err27
errOAAI
errZhu, Feng; Emile-Geay, Julien; Anchukaitis, Kevin J.; Hakim, Gregory J.; Wittenberg, Andrew T.; Morales, Mariano S.; Toohey, Matthew; King, Jonathan
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errSave
Assessing observation network design predictions for monitoring Antarctic surface temperature
errQUARTERLY JOURNAL OF THE ROYAL METEOROLOGICAL SOCIETY
IF2.9
err2022-01-10
err7
PREAI
errTardif, Robert; Hakim, Gregory J.; Bumbaco, Karin A.; Lazzara, Matthew A.; Manning, Kevin W.; Mikolajczyk, David E.; Powers, Jordan G.
errShare
errSave
A Data Assimilation Approach to Last Millennium Temperature Field Reconstruction Using a Limited High-Sensitivity Proxy Network
errJOURNAL OF CLIMATE
IF4
err2021-05-17
err23
errOAAI
errKing, Jonathan M.; Anchukaitis, Kevin J.; Tierney, Jessica E.; Hakim, Gregory J.; Emile-Geay, Julien; Zhu, Feng; Wilson, Rob
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errSave
Coupled Atmosphere-Ocean Reconstruction of the Last Millennium Using Online Data Assimilation
errPALEOCEANOGRAPHY AND PALEOCLIMATOLOGY
IF3.2
err2021-05-11
err16
PREAI
errPerkins, W. A.; Hakim, G. J.
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errSave
Climate Model Teleconnection Patterns Govern the Nino-3.4 Response to Early Nineteenth-Century Volcanism in Coral-Based Data Assimilation Reconstructions
errJOURNAL OF CLIMATE
IF4
err2021-03-01
err17
errOAAI
errSanchez, Sara C.; Hakim, Gregory J.; Saenger, Casey P.
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errSave
Atmospheric dynamics drive most interannual US droughts over the last millennium
errSCIENCE ADVANCES
IF12.5
err2020-08-07
err19
errOAAI
errErb, M. P.; Emile-Geay, J.; Hakim, G. J.; Steiger, N.; Steig, E. J.
errShare
errSave
Greenland temperature and precipitation over the last 20 000 years using data assimilation
errCLIMATE OF THE PAST
IF3.2
err2020-07-28
err34
errOAAI
errBadgeley, Jessica A.; Steig, Eric J.; Hakim, Gregory J.; Fudge, Tyler J.
errShare
errSave
Idealized numerical modeling of the diurnal cycle of tropical cyclones (vol 73, pg 4189, 2016)
erradvances in atmospheric sciences
IF2.8
err2019-09-11
err0
errOAAI
errDuran, Erika L.; Hakim, Gregory J.
errShare
errSave
Local Regions Associated With Interdecadal Global Temperature Variability in the Last Millennium Reanalysis and CMIP5 Models
errJOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
IF3.4
err2019-09-10
err13
PREAI
errParsons, L. A.; Hakim, G. J.
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errSave

Research Directions

No research directions
Co-authors
Cooperation Journals
L
Larry W. Horowitz
H-index: 105 · Papers: 554
G
Gabriel A. Vecchi
H-index: 102 · Papers: 492
J
James W. Kirchner
H-index: 96 · Papers: 618
E
Eric J. Steig
H-index: 81 · Papers: 468
A
Andy Ridgwell
H-index: 79 · Papers: 525
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