Records |
Author |
Bourassa, MA; Weissman, DE |
Title |
The development and application of a sea surface stress model function for the QuikSCAT and ADEOS-II SeaWinds scatterometers |
Type |
$loc['typeConference Article'] |
Year |
2003 |
Publication |
IEEE International Symposium on Geoscience and Remote Sensing (IGARSS) |
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Volume |
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Issue |
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Pages |
239-241 |
Keywords |
component; surface stress; SeaWinds; scatterometer; validation |
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23rd International Geoscience and Remote Sensing Symposium (IGARSS 2003) |
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$loc['no'] |
Call Number |
COAPS @ mfield @ |
Serial |
485 |
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Author |
Steffen, J.; Bourassa, M. |
Title |
Barrier Layer Development Local to Tropical Cyclones based on Argo Float Observations |
Type |
$loc['typeJournal Article'] |
Year |
2018 |
Publication |
Journal of Physical Oceanography |
Abbreviated Journal |
J. Phys. Oceanogr. |
Volume |
48 |
Issue |
9 |
Pages |
1951-1968 |
Keywords |
SEA-SURFACE TEMPERATURE; UPPER-OCEAN RESPONSE; NINO SOUTHERN-OSCILLATION; MIXED-LAYER; INDIAN-OCEAN; HEAT-BUDGET; NUMERICAL SIMULATIONS; HURRICANES; VARIABILITY; PACIFIC |
Abstract |
The objective of this study is to quantify barrier layer development due to tropical cyclone (TC) passage using Argo float observations of temperature and salinity. To accomplish this objective, a climatology of Argo float measurements is developed from 2001 to 2014 for the Atlantic, eastern Pacific, and central Pacific basins. Each Argo float sample consists of a prestorm and poststorm temperature and salinity profile pair. In addition, a no-TC Argo pair dataset is derived for comparison to account for natural ocean state variability and instrument sensitivity. The Atlantic basin shows a statistically significant increase in barrier layer thickness (BLT) and barrier layer potential energy (BLPE) that is largely attributable to an increase of 2.6 m in the post-TC isothermal layer depth (ITLD). The eastern Pacific basin shows no significant changes to any barrier layer characteristic, likely due to a shallow and highly stratified pycnocline. However, the near-surface layer freshens in the upper 30 m after TC passage, which increases static stability. Finally, the central Pacific has a statistically significant freshening in the upper 20-30 m that increases upper-ocean stratification by similar to 35%. The mechanisms responsible for increases in BLPE vary between the Atlantic and both Pacific basins; the Atlantic is sensitive to ITLD deepening, while the Pacific basins show near-surface freshening to be more important in barrier layer development. In addition, Argo data subsets are used to investigate the physical relationships between the barrier layer and TC intensity, TC translation speed, radial distance from TC center, and time after TC passage. |
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0022-3670 |
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$loc['no'] |
Call Number |
COAPS @ user @ |
Serial |
970 |
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Author |
Holbach, H.M.; Uhlhorn, E.W.; Bourassa, M.A. |
Title |
Off-Nadir SFMR Brightness Temperature Measurements in High-Wind Conditions |
Type |
$loc['typeJournal Article'] |
Year |
2018 |
Publication |
Journal of Atmospheric and Oceanic Technology |
Abbreviated Journal |
J. Atmos. Oceanic Technol. |
Volume |
35 |
Issue |
9 |
Pages |
1865-1879 |
Keywords |
Tropical cyclones; Wind; Air-sea interaction; Microwave observations; Remote sensing; Surface observations |
Abstract |
Wind and wave-breaking directions are investigated as potential sources of an asymmetry identified in off-nadir remotely sensed measurements of ocean surface brightness temperatures obtained by the Stepped Frequency Microwave Radiometer (SFMR) in high-wind conditions, including in tropical cyclones. Surface wind speed, which dynamically couples the atmosphere and ocean, can be inferred from SFMR ocean surface brightness temperature measurements using a radiative transfer model and an inversion algorithm. The accuracy of the ocean surface brightness temperature to wind speed calibration relies on accurate knowledge of the surface variables that are influencing the ocean surface brightness temperature. Previous studies have identified wind direction signals in horizontally polarized radiometer measurements in low to moderate (0�20 m s−1) wind conditions over a wide range of incidence angles. This study finds that the azimuthal asymmetry in the off-nadir SFMR brightness temperature measurements is also likely a function of wind direction and extends the results of these previous studies to high-wind conditions. The off-nadir measurements from the SFMR provide critical data for improving the understanding of the relationships between brightness temperature, surface wave�breaking direction, and surface wind vectors at various incidence angles, which is extremely useful for the development of geophysical model functions for instruments like the Hurricane Imaging Radiometer (HIRAD). |
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ISSN |
0739-0572 |
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$loc['no'] |
Call Number |
COAPS @ rl18 @ |
Serial |
980 |
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Author |
Misra, V.; Bhardwaj, A. |
Title |
Defining the Northeast Monsoon of India |
Type |
$loc['typeJournal Article'] |
Year |
2019 |
Publication |
Monthly Weather Review |
Abbreviated Journal |
Mon. Wea. Rev. |
Volume |
147 |
Issue |
3 |
Pages |
791-807 |
Keywords |
Indian Summer Monsoon, intraseasonal,Climate models, variability, NEM, rainfall |
Abstract |
This study introduces an objective definition for onset and demise of the Northeast Indian Monsoon (NEM). The definition is based on the land surface temperature analysis over the Indian subcontinent. It is diagnosed from the inflection points in the daily anomaly cumulative curve of the area-averaged surface temperature over the provinces of Andhra Pradesh, Rayalseema, and Tamil Nadu located in the southeastern part of India. Per this definition, the climatological onset and demise dates of the NEM season are 6 November and 13 March, respectively. The composite evolution of the seasonal cycle of 850hPa winds, surface wind stress, surface ocean currents, and upper ocean heat content suggest a seasonal shift around the time of the diagnosed onset and demise dates of the NEM season. The interannual variations indicate onset date variations have a larger impact than demise date variations on the seasonal length, seasonal anomalies of rainfall, and surface temperature of the NEM. Furthermore, it is shown that warm El Niño�Southern Oscillation (ENSO) episodes are associated with excess seasonal rainfall, warm seasonal land surface temperature anomalies, and reduced lengths of the NEM season. Likewise, cold ENSO episodes are likely to be related to seasonal deficit rainfall anomalies, cold land surface temperature anomalies, and increased lengths of the NEM season. |
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English |
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0027-0644 |
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$loc['no'] |
Call Number |
COAPS @ rl18 @ |
Serial |
999 |
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Author |
Hart, R.E.; Maue, R.N.; Watson, M.C. |
Title |
Estimating Local Memory of Tropical Cyclones through MPI Anomaly Evolution |
Type |
$loc['typeJournal Article'] |
Year |
2007 |
Publication |
Monthly Weather Review |
Abbreviated Journal |
Mon. Wea. Rev. |
Volume |
135 |
Issue |
12 |
Pages |
3990-4005 |
Keywords |
Hurricanes; Tropical cyclones; Sea surface temperature; Stability |
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0027-0644 |
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$loc['no'] |
Call Number |
COAPS @ mfield @ |
Serial |
698 |
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Author |
Misra, V.; Dirmeyer, P.A. |
Title |
Air, Sea, and Land Interactions of the Continental U.S. Hydroclimate |
Type |
$loc['typeJournal Article'] |
Year |
2009 |
Publication |
Journal of Hydrometeorology |
Abbreviated Journal |
J. Hydrometeor |
Volume |
10 |
Issue |
2 |
Pages |
353-373 |
Keywords |
Atmosphere-land interaction; Hydrometeorology; Climatology; Air-sea interaction; Multidecadal variability; Coupled models |
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1525-755X |
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$loc['no'] |
Call Number |
COAPS @ mfield @ |
Serial |
664 |
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Author |
Yin, J.; Griffies, S.M.; Stouffer, R.J. |
Title |
Spatial Variability of Sea Level Rise in Twenty-First Century Projections |
Type |
$loc['typeJournal Article'] |
Year |
2010 |
Publication |
Journal of Climate |
Abbreviated Journal |
J. Climate |
Volume |
23 |
Issue |
17 |
Pages |
4585-4607 |
Keywords |
Sea level; Climate prediction |
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0894-8755 |
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$loc['no'] |
Call Number |
COAPS @ mfield @ |
Serial |
369 |
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Author |
Nof, D.; Jia, Y.; Chassignet, E.; Bozec, A. |
Title |
Fast Wind-Induced Migration of Leddies in the South China Sea |
Type |
$loc['typeJournal Article'] |
Year |
2011 |
Publication |
Journal of Physical Oceanography |
Abbreviated Journal |
J. Phys. Oceanogr. |
Volume |
41 |
Issue |
9 |
Pages |
1683-1693 |
Keywords |
Eddies; Seas; gulfs; bays; Wind stress; Numerical analysis/modeling; Monsoons |
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0022-3670 |
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$loc['no'] |
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COAPS @ mfield @ |
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324 |
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Author |
Bastola, S.; Misra, V.; Li, H. |
Title |
Seasonal Hydrological Forecasts for Watersheds over the Southeastern United States for the Boreal Summer and Fall Seasons |
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$loc['typeJournal Article'] |
Year |
2013 |
Publication |
Earth Interactions |
Abbreviated Journal |
Earth Interact. |
Volume |
17 |
Issue |
25 |
Pages |
1-22 |
Keywords |
Seasonal climate forecast; Ensemble streamflow prediction; Rainfall–runoff model |
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1087-3562 |
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$loc['no'] |
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COAPS @ mfield @ |
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207 |
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Author |
Rudzin, J.E.; Morey, S.L.; Bourassa, M.A.; Smith, S.R. |
Title |
The Influence of Loop Current Position on Winter Sea Surface Temperatures in the Florida Straits |
Type |
$loc['typeJournal Article'] |
Year |
2013 |
Publication |
Earth Interactions |
Abbreviated Journal |
Earth Interact. |
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17 |
Issue |
16 |
Pages |
1-9 |
Keywords |
Air-sea interaction; Florida Straits; Loop Current; Sea surface temperature; CAO; Atlantic sailfish |
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1087-3562 |
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OVWST |
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$loc['no'] |
Call Number |
COAPS @ mfield @ |
Serial |
182 |
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