Records |
Author |
Bashmachnikov, I.L.; Fedorov, A.M.; Vesman, A.V.; Belonenko, T.V.; Dukhovskoy, D.S. |
Title |
Thermohaline convection in the subpolar seas of the North Atlantic from satellite and in situ observations. Part 2: indices of intensity of deep convection |
Type |
$loc['typeJournal Article'] |
Year |
2019 |
Publication |
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Abbreviated Journal |
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Volume |
16 |
Issue |
1 |
Pages |
191-201 |
Keywords |
deep convection, assimilation of satellite data, altimetry, water density, the Greenland Sea, the Labrador Sea, the Irminger Sea |
Abstract |
Variation in locations of the maximum development of deep convection in the subpolar seas, taking into account their small dimensions, represent difficulty in identifying its interannual variability from usually sparse in situ data. In this work, the interannual variability of the maximum convection depth, is obtained using one of the most complete datasets ARMOR, which combines in situ and satellite data. The convection depths, derived from ARMOR, are used for testing the efficiency of two indices of convection intensity: (1) sea-level anomalies from satellite altimetry and (2) the integral water density in the areas of the most frequent development of deep convection. The first index, capturing some details, shows low correlations with the interannual variability of the deep convection intensity. The second index shows high correlation with the deep convection intensity in the Greenland, Irminger and Labrador seas. Asynchronous variations in the deep convection intensity in the Labrador-Irminger seas and in the Greenland Sea are obtained. In the Labrador and in the Irminger seas, the quasi-seven-year variations in the convection intensity are identified. |
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$loc['no'] |
Call Number |
COAPS @ user @ |
Serial |
1089 |
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Author |
Bhardwaj, A.; Misra, V. |
Title |
Monitoring the Indian Summer Monsoon Evolution at the Granularity of the Indian Meteorological Sub-divisions using Remotely Sensed Rainfall Products |
Type |
$loc['typeJournal Article'] |
Year |
2019 |
Publication |
Remote Sensing |
Abbreviated Journal |
Remote Sensing |
Volume |
11 |
Issue |
9 |
Pages |
1080 |
Keywords |
Indian Summer Monsoon; GPM; TRMM satellite precipitation; meteorological sub-divisions |
Abstract |
We make use of satellite-based rainfall products from the Tropical Rainfall Measuring Mission (TRMM) Multi-satellite Precipitation Analysis (TMPA) to objectively define local onset and demise of the Indian Summer Monsoon (ISM) at the spatial resolution of the meteorological subdivisions defined by the Indian Meteorological Department (IMD). These meteorological sub-divisions are the operational spatial scales for official forecasts issued by the IMD. Therefore, there is a direct practical utility to target these spatial scales for monitoring the evolution of the ISM. We find that the diagnosis of the climatological onset and demise dates and its variations from the TMPA product is quite similar to the rain gauge based analysis of the IMD, despite the differences in the duration of the two datasets. This study shows that the onset date variations of the ISM have a significant impact on the variations of the seasonal length and seasonal rainfall anomalies in many of the meteorological sub-divisions: for example, the early or later onset of the ISM is associated with longer and wetter or shorter and drier ISM seasons, respectively. It is shown that TMPA dataset (and therefore its follow up Global Precipitation Measurement (GPM) Integrated Multi-satellite Retrievals for GPM (IMERG)) could be usefully adopted for monitoring the onset of the ISM and therefore extend its use to anticipate the potential anomalies of the seasonal length and seasonal rainfall anomalies of the ISM in many of the Indian meteorological sub-divisions. View Full-Text |
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2072-4292 |
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$loc['no'] |
Call Number |
COAPS @ user @ |
Serial |
1026 |
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Author |
Bourassa, M.A.; McBeth Ford, K. |
Title |
Uncertainty in Scatterometer-Derived Vorticity |
Type |
$loc['typeJournal Article'] |
Year |
2010 |
Publication |
Journal of Atmospheric and Oceanic Technology |
Abbreviated Journal |
J. Atmos. Oceanic Technol. |
Volume |
27 |
Issue |
3 |
Pages |
594-603 |
Keywords |
Satellite observations; Wind; Instrumentation/sensors |
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ISSN |
0739-0572 |
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OVWST |
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$loc['no'] |
Call Number |
COAPS @ mfield @ |
Serial |
365 |
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Author |
De Souza-Machado, S.; Tangborn, A.; Sura, P.; Hepplewhite, C.; Strow, L.L. |
Title |
Non-Gaussian Analysis of Observations from the Atmospheric Infrared Sounder Compared with ERA and MERRA Reanalyses |
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$loc['typeJournal Article'] |
Year |
2017 |
Publication |
Journal of Applied Meteorology and Climatology |
Abbreviated Journal |
J. Appl. Meteor. Climatol. |
Volume |
56 |
Issue |
5 |
Pages |
1463-1481 |
Keywords |
Satellite observations; Statistical techniques; Reanalysis data; Stochastic models |
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ISSN |
1558-8424 |
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$loc['no'] |
Call Number |
COAPS @ mfield @ |
Serial |
13 |
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Author |
Dukhovskoy, D.S.; Leben, R.R.; Chassignet, E.P.; Hall, C.A.; Morey, S.L.; Nedbor-Gross, R. |
Title |
Characterization of the uncertainty of loop current metrics using a multidecadal numerical simulation and altimeter observations |
Type |
$loc['typeJournal Article'] |
Year |
2015 |
Publication |
Deep Sea Research Part I: Oceanographic Research Papers |
Abbreviated Journal |
Deep Sea Research Part I: Oceanographic Research Papers |
Volume |
100 |
Issue |
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Pages |
140-158 |
Keywords |
Eddies and mesoscale processes; Gulf of Mexico; Loop Current; Satellite altimetry; Ocean modeling; Ocean front detection |
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0967-0637 |
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$loc['no'] |
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COAPS @ mfield @ |
Serial |
100 |
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Author |
Guimond, S. R. |
Title |
A diagnostic study of the effects of trough interactions on tropical cyclone QPF. |
Type |
$loc['typeManuscript'] |
Year |
2007 |
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Pages |
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Keywords |
Satellites, Precipitation, Tropical Cyclones, Troughs |
Abstract |
A composite study is presented analyzing the influence of upper-tropospheric troughs on the evolution of precipitation in twelve Atlantic tropical cyclones (TCs) between the years 2000 � 2005. The TRMM Multi-Satellite Precipitation Analysis (TMPA) is used to examine the enhancement of precipitation within a 24 h window centered on trough interaction (TI) time in a shear-vector relative coordinate system. Eddy angular momentum flux convergence (EFC) computed from European Centre for Medium-Range Weather Forecasts (ECMWF) operational analyses is employed to objectively determine the initiation of a TI while adding insight, along with vertical wind shear, into the intensification of TC vortices. The relative roles of the dynamics (EFC and vertical wind shear) and thermodynamics (moist static energy potential) in TIs are outlined in the context of precipitation enhancement that provides quantitative insight into the “good trough”/“bad trough” paradigm. The largest precipitation rates and enhancements are found in the down-shear left quadrant of the storm, consistent with previous studies of convective asymmetries. Maximum mean enhancement values of 1.4 mm/h are found at the 200 km radius in the down-shear left quadrant. Results indicate that the largest precipitation enhancements occur with “medium” TIs; comprised of EFC values between 17 � 22 (m/s)/day and vertical wind shear Sensitivity tests on the upper vertical wind shear boundary reveal the importance of using the tropopause for wind shear computations when a TC enters mid-latitude regions. Changes in radial mean precipitation ranging from 29 � 40 % across all storm quadrants are found when using the tropopause as the upper boundary on the shear vector. Tests on the lower boundary using QuikSCAT ocean surface wind vectors expose large sensitivities on the precipitation ranging from 42 � 60 % indicating that the standard level of 850 hPa, outside of the boundary layer in most storms, is more physically reliable for computing vertical wind shear. These results should help to improve TC quantitative precipitation forecasting (QPF) as operational forecasters routinely rely on crude statistical methods and rules of thumb for forecasting TC precipitation. |
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Department of Meteorology |
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$loc['Master's thesis'] |
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Florida State University |
Place of Publication |
Tallahassee, FL |
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NASA, OVWST |
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$loc['no'] |
Call Number |
COAPS @ mfield @ |
Serial |
610 |
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Author |
Hiester, H.R.; Morey, S.L.; Dukhovskoy, D.S.; Chassignet, E.P.; Kourafalou, V.H.; Hu, C. |
Title |
A topological approach for quantitative comparisons of ocean model fields to satellite ocean color data |
Type |
$loc['typeJournal Article'] |
Year |
2016 |
Publication |
Methods in Oceanography |
Abbreviated Journal |
Methods in Oceanography |
Volume |
17 |
Issue |
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Pages |
232-250 |
Keywords |
Satellite data; Ocean model; Ocean color; Sea surface salinity; Shape comparison; Hausdorff distance |
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2211-1220 |
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$loc['no'] |
Call Number |
COAPS @ mfield @ |
Serial |
78 |
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Author |
Nagamani, P.V.; Ali, M.M.; Goni, G.J.; Udaya Bhaskar, T.V.S.; McCreary, J.P.; Weller, R.A.; Rajeevan, M.; Gopala Krishna, V.V.; Pezzullo, J.C. |
Title |
Heat content of the Arabian Sea Mini Warm Pool is increasing |
Type |
$loc['typeJournal Article'] |
Year |
2016 |
Publication |
Atmospheric Science Letters |
Abbreviated Journal |
Atmos. Sci. Lett. |
Volume |
17 |
Issue |
1 |
Pages |
39-42 |
Keywords |
tropical cyclone heat potential; Arabian Sea Mini Warm Pool; satellite altimetry; ocean heat content; all India monsoon rainfall |
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1530261X |
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$loc['no'] |
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COAPS @ mfield @ |
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47 |
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Author |
Paget, A.C.; Bourassa, M.A.; Anguelova, M.D. |
Title |
Comparing in situ and satellite-based parameterizations of oceanic whitecaps |
Type |
$loc['typeJournal Article'] |
Year |
2015 |
Publication |
Journal of Geophysical Research: Oceans |
Abbreviated Journal |
J. Geophys. Res. Oceans |
Volume |
120 |
Issue |
4 |
Pages |
2826-2843 |
Keywords |
whitecap fraction; foam fraction; whitecap coverage; breaking waves; actively breaking waves; air-sea interaction processes; in situ whitecap observations scatterometers; QuikSCAT; WindSat; microwave radiometry; passive remote sensing; satellite oceanography |
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2169-9275 |
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$loc['no'] |
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COAPS @ mfield @ |
Serial |
108 |
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Author |
Perrie, W.; Zhang, W.; Bourassa, M.; Shen, H.; Vachon, P.W. |
Title |
Impact of Satellite Winds on Marine Wind Simulations |
Type |
$loc['typeJournal Article'] |
Year |
2008 |
Publication |
Weather and Forecasting |
Abbreviated Journal |
Wea. Forecasting |
Volume |
23 |
Issue |
2 |
Pages |
290-303 |
Keywords |
Satellite observations; Data assimilation; Hurricanes; Waves, oceanic; Ocean modeling; Numerical analysis |
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0882-8156 |
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NASA, OVWST |
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$loc['no'] |
Call Number |
COAPS @ mfield @ |
Serial |
680 |
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