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Author (up) Kara, A.B.; Wallcraft, A.J.; Barron, C.N.; Hurlburt, H.E.; Bourassa, M.A.
Title Accuracy of 10 m winds from satellites and NWP products near land-sea boundaries Type $loc['typeJournal Article']
Year 2008 Publication Journal of Geophysical Research Abbreviated Journal J. Geophys. Res.
Volume 113 Issue C10 Pages
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Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0148-0227 ISBN Medium
Area Expedition Conference
Funding NOAA, NRL Approved $loc['no']
Call Number COAPS @ mfield @ Serial 406
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Author (up) Kara, A.B.; Wallcraft, A.J.; Bourassa, M.A.
Title Air-sea stability effects on the 10 m winds over the global ocean: Evaluations of air-sea flux algorithms Type $loc['typeJournal Article']
Year 2008 Publication Journal of Geophysical Research Abbreviated Journal J. Geophys. Res.
Volume 113 Issue C4 Pages
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ISSN 0148-0227 ISBN Medium
Area Expedition Conference
Funding Approved $loc['no']
Call Number COAPS @ mfield @ Serial 412
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Author (up) Kara, A.B.; Wallcraft, A.J.; Martin, P.J.; Chassignet, E.P.
Title Performance of mixed layer models in simulating SST in the equatorial Pacific Ocean Type $loc['typeJournal Article']
Year 2008 Publication Journal of Geophysical Research Abbreviated Journal J. Geophys. Res.
Volume 113 Issue C2 Pages
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Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0148-0227 ISBN Medium
Area Expedition Conference
Funding Approved $loc['no']
Call Number COAPS @ mfield @ Serial 415
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Author (up) Karmakar, N.; Misra, V.
Title The Relation of Intraseasonal Variations With Local Onset and Demise of the Indian Summer Monsoon Type $loc['typeJournal Article']
Year 2019 Publication Journal of Geophysical Research: Atmospheres Abbreviated Journal J. Geophys. Res. Atmos.
Volume 124 Issue 5 Pages 2483-2506
Keywords hydroclimatic, Indian Summer Monsoon, Intraseasonal Oscillations, eastern Indiawestward propagating
Abstract Two of the most important hydroclimatic features of the Indian Summer Monsoon (ISM) rainfall are its onset/demise and Intraseasonal Oscillations (ISOs) manifested by the active‐break cycles. In this study, we aim to understand the quantitative association between these two phenomena. An objective definition of local onset/demise of the ISM based on more than a century‐long India Meteorological Department (IMD) rain‐gauge observation is taken into consideration. Using multichannel singular spectrum analysis (MSSA) we isolate northward propagating low‐ (2060 days; LF‐ISO) and northwestward propagating high‐ (1020 days; HF‐ISO) frequency ISOs from the daily ISM rainfall. Our results suggest that a large number of local onset (59%) and demise (62%) events occur during positive developing phases and positive decaying phases of two ISOs, respectively, with phase‐locking between LF‐ISO and HF‐ISO being particularly important. Local onset is largely associated with favorable phases of ISOs across India except for LF‐ISO over eastern India and HF‐ISO over western Ghats and central India (CI). We find that local demise is more coherent with the ISO phases, especially with HF‐ISO across the domain. We performed a case study to understand large‐scale association with the onset of the ISM over CI. In 44 of total 58 cases (19482005), when CI onset occurred during favorable LF‐ISO or HF‐ISO phase, they are either linked with a northward propagation of convection from the equator in LF‐ISO timescale (28 cases) or westward propagating structures from the western Pacific in HF‐ISO timescale (27 cases).
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Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 2169-897X ISBN Medium
Area Expedition Conference
Funding Approved $loc['no']
Call Number COAPS @ user @ Serial 1014
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Author (up) Karmakar, N.; Misra, V.
Title Differences in Northward Propagation of Convection Over the Arabian Sea and Bay of Bengal During Boreal Summer Type $loc['typeJournal Article']
Year 2019 Publication Journal of Geophysical Research: Atmospheres Abbreviated Journal J. Geophys. Res. Atmos.
Volume 125 Issue 3 Pages
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Abstract The governing dynamics that modulate the propagation characteristics of intraseasonal oscillations (ISO) during summer monsoon over the two ocean basins, Bay of Bengal (BoB) and Arabian Sea (AS), are investigated using observational analysis and high‐resolution regional coupled ocean‐atmosphere climate model simulations. ISO features are extracted over the Indian region using a data‐adaptive spectral method called multichannel singular spectrum analysis. ISO exhibits stronger intensity over the BoB than over the AS. But ISO‐filtered rainfall propagates at a faster rate ( urn:x-wiley:jgrd:media:jgrd55983:jgrd55983-math-00011.25°/day) over AS as compared to BoB ( urn:x-wiley:jgrd:media:jgrd55983:jgrd55983-math-0002.74°/day), giving rise to a northwest‐southeast tilted band of rainfall anomalies. However, the composite diagrams of several atmospheric fields associated with northward propagation like vorticity, low‐level convergence, and oceanic variables like sea surface temperature and mixed layer depth do not show this difference in propagation speed and all exhibit a speed of nearly 0.75°/day in both the ocean basins. The difference in speed of ISO‐filtered rainfall is explained through moisture flux convergence. Anomalous horizontal moisture advection plays a major role over AS in preconditioning the atmosphere and making it favorable for convection. Anomalous wind acting on climatological moisture gradient is the dominant term in the moisture advection equation. Easterly wind anomalies associated with a low‐level anticyclone over India helps advect moisture from the eastern side of the domain. The northwest‐southeast tilt of ISO is dictated by the atmospheric processes of moisture advection with the upper ocean playing a more passive role in causing the tilt.
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Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
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ISSN 2169-897X ISBN Medium
Area Expedition Conference
Funding Approved $loc['no']
Call Number COAPS @ user @ Serial 1099
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Author (up) Kennedy, A.J.; Griffin, M.L.; Morey, S.L.; Smith, S.R.; O'Brien, J.J.
Title Effects of El Niño-Southern Oscillation on sea level anomalies along the Gulf of Mexico coast Type $loc['typeJournal Article']
Year 2007 Publication Journal of Geophysical Research Abbreviated Journal J. Geophys. Res.
Volume 112 Issue C5 Pages
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Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 0148-0227 ISBN Medium
Area Expedition Conference
Funding NOAA Approved $loc['no']
Call Number COAPS @ mfield @ Serial 425
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Author (up) Kozar, M.E.; Mann, M.E.; Camargo, S.J.; Kossin, J.P.; Evans, J.L.
Title Stratified statistical models of North Atlantic basin-wide and regional tropical cyclone counts Type $loc['typeJournal Article']
Year 2012 Publication Journal of Geophysical Research: Atmospheres Abbreviated Journal J. Geophys. Res.
Volume 117 Issue D18 Pages
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Series Editor Series Title Abbreviated Series Title
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ISSN 0148-0227 ISBN Medium
Area Expedition Conference
Funding Approved $loc['no']
Call Number COAPS @ mfield @ Serial 239
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Author (up) Kozar, M.E.; Mann, M.E.; Emanuel, K.A.; Evans, J.L.
Title Long-term variations of North Atlantic tropical cyclone activity downscaled from a coupled model simulation of the last millennium Type $loc['typeJournal Article']
Year 2013 Publication Journal of Geophysical Research: Atmospheres Abbreviated Journal J. Geophys. Res. Atmos.
Volume 118 Issue 24 Pages 13,383-13,392
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Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN 2169897X ISBN Medium
Area Expedition Conference
Funding Approved $loc['no']
Call Number COAPS @ mfield @ Serial 174
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Author (up) Kranz, S.A.; Wang, S.; Kelly, T.B.; Stukel, M.R.; Goericke, R.; Landry, M.R.; Cassar, N.
Title Lagrangian Studies of Marine Production: A Multimethod Assessment of Productivity Relationships in the California Current Ecosystem Upwelling Region Type $loc['typeJournal Article']
Year 2020 Publication Journal of Geophysical Research: Oceans Abbreviated Journal J. Geophys. Res. Oceans
Volume 125 Issue 6 Pages
Keywords gross primary production; long‐ term ecological research; equilibrium inlet mass spectrometry; carbon export; net community production
Abstract A multimethod process‐oriented investigation of diverse productivity measures in the California Current Ecosystem (CCE) Long‐Term Ecological Research study region, a complex physical environment, is presented. Seven multiday deployments covering a transition region from high to low productivity were conducted over two field expeditions (spring 2016 and summer 2017). Employing a Lagrangian study design, water parcels were followed over several days, comparing 24‐h in situ measurements (14C and 15NO3 ‐uptake, dilution estimates of phytoplankton growth, and microzooplankton grazing) with high‐resolution productivity measurements by fast repetition rate fluorometry (FRRF) and equilibrium inlet mass spectrometry (EIMS), and integrated carbon export measuremnts using sediment traps. Results show the importance of accounting for temporal and fine spatial scale variability when estimating ecosystem production. FRRF and EIMS measurements resolved diel patterns in gross primary and net community production. Diel productivity changes agreed well with comparably more traditional measurements. While differences in productivity metrics calculated over different time intervals were considerable, as those methods rely on different base assumptions, the data can be used to explain ecosystem processes which would otherwise have gone unnoticed. The processes resolved from this method comparison further understanding of temporal and spatial coupling and decoupling of surface productivity and potential carbon burial in a gradient from coastal to offshore ecosystems.
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Series Editor Series Title Abbreviated Series Title
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ISSN 2169-9275 ISBN Medium
Area Expedition Conference
Funding Approved $loc['no']
Call Number COAPS @ user @ Serial 1113
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Author (up) Latif, M.; Anderson, D.; Barnett, T.; Cane, M.; Kleeman, R.; Leetmaa, A.; O'Brien, J.; Rosati, A.; Schneider, E.
Title A review of the predictability and prediction of ENSO Type $loc['typeJournal Article']
Year 1998 Publication Journal of Geophysical Research: Oceans Abbreviated Journal J. Geophys. Res.
Volume 103 Issue C7 Pages 14375-14393
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Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
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ISSN 0148-0227 ISBN Medium
Area Expedition Conference
Funding Approved $loc['no']
Call Number COAPS @ mfield @ Serial 746
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