Records |
Author |
Selman, C.; Misra, V. |
Title |
Simulating diurnal variations over the southeastern United States |
Type |
$loc['typeJournal Article'] |
Year |
2015 |
Publication |
Journal of Geophysical Research: Atmospheres |
Abbreviated Journal |
J. Geophys. Res. Atmos. |
Volume |
120 |
Issue |
1 |
Pages |
180-198 |
Keywords |
diurnal variations; southeast; precipitation; temperature; downscaling; regional climate modeling |
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ISSN |
2169897X |
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$loc['no'] |
Call Number |
COAPS @ mfield @ |
Serial |
120 |
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Author |
Shropshire, T.; Li, Y.; He, R. |
Title |
Storm impact on sea surface temperature and chlorophyll a in the Gulf of Mexico and Sargasso Sea based on daily cloud-free satellite data reconstructions |
Type |
$loc['typeJournal Article'] |
Year |
2016 |
Publication |
Geophysical Research Letters |
Abbreviated Journal |
Geophys. Res. Lett. |
Volume |
43 |
Issue |
23 |
Pages |
12,199-12,207 |
Keywords |
storm; sea surface temperature; surface chl a; northwest Atlantic ocean |
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ISSN |
0094-8276 |
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$loc['no'] |
Call Number |
COAPS @ mfield @ |
Serial |
51 |
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Author |
Smith, R. A. |
Title |
Trends in Maximum and Minimum Temperature Deciles in Select Regions of the United States |
Type |
$loc['typeManuscript'] |
Year |
2007 |
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Keywords |
Long term temperature trends, Climate change, Statistical analysis, Climatology |
Abstract |
Daily maximum and minimum temperature data from 758 COOP stations in nineteen states are used to create temperature decile maps. All stations used contain records from 1948 through 2004 and could not be missing more than 5 consecutive years of data. Missing data are replaced using a multiple linear regression technique from surrounding stations. For each station, the maximum and minimum temperatures are first sorted in ascending order for every two years (to reduce annual variability) and divided into ten equal parts (or deciles). The first decile represents the coldest temperatures, and the last decile contains the warmest temperatures. Patterns and trends in these deciles can be examined for the 57-year period. A linear least-squares regression method is used to calculate best-fit lines for each decile to determine the long-term trends at each station. Significant warming or cooling is determined using the Student's t-test, and bootstrapping the decile data will further examine the validity of significance. Two stations are closely examined. Apalachicola, Florida shows significant warming in its maximum deciles and significant cooling in its minimum deciles. The maximum deciles seem to be affected by some localized change. The minimum deciles are discontinuous, and the trends are a result of a minor station move. Columbus, Georgia has experienced significant warming in its minimum deciles, and this appears to be the result of an urban heat-island effect. The discontinuities seen in the Apalachicola case study illustrate the need for a quality control method. This method will eliminate stations from the regional analysis that experience large changes in the ten-year standard deviations within their time series. The regional analysis shows that most of the region is dominated by significant cooling in the maximum deciles and significant warming in the minimum deciles, with more variability in the lower deciles. Field significance testing is performed on subregions (based on USGS 2000 land cover data) and supports the findings from the regional analysis; it also isolates regions, such as the Florida peninsula and the Maryland/Delaware region, that appear to be affected by more local forcings. |
Address |
Department of Meteorology |
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Thesis |
$loc['Master's thesis'] |
Publisher |
Florida State University |
Place of Publication |
Tallahassee, FL |
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$loc['no'] |
Call Number |
COAPS @ mfield @ |
Serial |
612 |
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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 |
Venugopal, T.; Ali, M.M.; Bourassa, M.A.; Zheng, Y.; Goni, G.J.; Foltz, G.R.; Rajeevan, M. |
Title |
Statistical Evidence for the Role of Southwestern Indian Ocean Heat Content in the Indian Summer Monsoon Rainfall |
Type |
$loc['typeJournal Article'] |
Year |
2018 |
Publication |
SCIENTIFIC REPORTS |
Abbreviated Journal |
Sci Rep |
Volume |
8 |
Issue |
1 |
Pages |
12092 |
Keywords |
SEA-SURFACE TEMPERATURE; EL-NINO; EQUATORIAL PACIFIC; IMPACT; PREDICTION; ENSO; DIPOLE; REGION; SST |
Abstract |
This study examines the benefit of using Ocean Mean Temperature (OMT) to aid in the prediction of the sign of Indian Summer Monsoon Rainfall (ISMR) anomalies. This is a statistical examination, rather than a process study. The thermal energy needed for maintaining and intensifying hurricanes and monsoons comes from the upper ocean, not just from the thin layer represented by sea surface temperature (SST) alone. Here, we show that the southwestern Indian OMT down to the depth of the 26 degrees C isotherm during January-March is a better qualitative predictor of the ISMR than SST. The success rate in predicting above- or below-average ISMR is 80% for OMT compared to 60% for SST. Other January-March mean climate indices (e.g., NINO3.4, Indian Ocean Dipole Mode Index, El Nino Southern Oscillation Modoki Index) have less predictability (52%, 48%, and 56%, respectively) than OMT percentage deviation (PD) (80%). Thus, OMT PD in the southwestern Indian Ocean provides a better qualitative prediction of ISMR by the end of March and indicates whether the ISMR will be above or below the climatological mean value. |
Address |
Ministry of Earth Sciences, Government of India, New Delhi, India |
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English |
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ISSN |
2045-2322 |
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strtoupper('3').strtolower('0108244'); strtoupper('P').strtolower('MC6092415') |
Approved |
$loc['no'] |
Call Number |
COAPS @ user @ |
Serial |
972 |
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Author |
Weihs, R |
Title |
Surface and Atmospheric Boundary Layer Responses to Diurnal Variations of Sea Surface Temperature in an NWP Model |
Type |
$loc['typeManuscript'] |
Year |
2016 |
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Keywords |
Marine Boundary Layer; Numerical Weather Prediction; Sea Surface Temperature |
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Department of Earth, Ocean, and Atmospheric Science |
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Thesis |
$loc['Ph.D. thesis'] |
Publisher |
Florida State University |
Place of Publication |
Tallahassee, FL |
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$loc['no'] |
Call Number |
COAPS @ mfield @ |
Serial |
339 |
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Author |
Woodruff, S.D.; Worley, S.J.; Lubker, S.J.; Ji, Z.; Eric Freeman, J.; Berry, D.I.; Brohan, P.; Kent, E.C.; Reynolds, R.W.; Smith, S.R.; Wilkinson, C. |
Title |
ICOADS Release 2.5: extensions and enhancements to the surface marine meteorological archive |
Type |
$loc['typeConference Article'] |
Year |
2011 |
Publication |
International Journal of Climatology |
Abbreviated Journal |
Int. J. Climatol. |
Volume |
31 |
Issue |
7 |
Pages |
951-967 |
Keywords |
marine meteorological data; ship data; buoy data; data rescue; sea surface temperature; sea level pressure; humidity; metadata |
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0899-8418 |
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$loc['no'] |
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COAPS @ mfield @ |
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304 |
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Author |
Zavala-Hidalgo, J; Pares-Sierra, A; Ochoa, J |
Title |
Seasonal variability of the temperature and heat fluxes in the Gulf of Mexico |
Type |
$loc['typeJournal Article'] |
Year |
2002 |
Publication |
Atmosfera |
Abbreviated Journal |
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Volume |
15 |
Issue |
2 |
Pages |
81-104 |
Keywords |
Gulf of Mexico; heat fluxes; numerical model; sea surface temperature; seasonal variability |
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$loc['no'] |
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COAPS @ mfield @ |
Serial |
498 |
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Author |
Zhang, M.; Wu, Z.; Qiao, F. |
Title |
Deep Atlantic Ocean Warming Facilitated by the Deep Western Boundary Current and Equatorial Kelvin Waves |
Type |
$loc['typeJournal Article'] |
Year |
2018 |
Publication |
Journal of Climate |
Abbreviated Journal |
J. Climate |
Volume |
31 |
Issue |
20 |
Pages |
8541-8555 |
Keywords |
Ocean; Atlantic Ocean; Heating; Kelvin waves; Ocean circulation; Oceanic variability; EMPIRICAL MODE DECOMPOSITION; NONSTATIONARY TIME-SERIES; NORTH-ATLANTIC; CLIMATE-CHANGE; HEAT-CONTENT; HIATUS; VARIABILITY; CIRCULATION; TEMPERATURE; PACIFIC |
Abstract |
Increased heat storage in deep oceans has been proposed to account for the slowdown of global surface warming since the end of the twentieth century. How the imbalanced heat at the surface has been redistributed to deep oceans remains to be elucidated. Here, the evolution of deep Atlantic Ocean heat storage since 1950 on multidecadal or longer time scales is revealed. The anomalous heat in the deep Labrador Sea was transported southward by the shallower core of the deep western boundary current (DWBC). Upon reaching the equator around 1980, this heat transport route bifurcated into two, with one continuing southward along the DWBC and the other extending eastward along a narrow strip (about 4 degrees width) centered at the equator. In the 1990s and 2000s, meridional diffusion helped to spread warming in the tropics, making the eastward equatorial warming extension have a narrow head and wider tail. The deep Atlantic Ocean warming since 1950 had overlapping variability of approximately 60 years. The results suggest that the current basinwide Atlantic Ocean warming at depths of 1000-2000 m can be traced back to the subsurface warming in the Labrador Sea in the 1950s. An inference from these results is that the increased heat storage in the twenty-first century in the deep Atlantic Ocean is unlikely to partly account for the atmospheric radiative imbalance during the last two decades and to serve as an explanation for the current warming hiatus. |
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0894-8755 |
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$loc['no'] |
Call Number |
COAPS @ user @ |
Serial |
950 |
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Author |
Zuromski, L. |
Title |
Investigating Relationships Between Rising Temperatures and Heavy Rainfall Events in the Southeastern U.S. Using Analog Methods |
Type |
$loc['typeManuscript'] |
Year |
2015 |
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Issue |
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Pages |
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Keywords |
precipitation; temperature |
Abstract |
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Address |
Department of Earth, Ocean, and Atmospheric Science |
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Thesis |
$loc['Bachelor's thesis'] |
Publisher |
Florida State University |
Place of Publication |
Tallahassee, FL |
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$loc['no'] |
Call Number |
COAPS @ mfield @ |
Serial |
117 |
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