Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 135 for “"Interannual variability"”.
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Causes of the interannual variability of deep convection
… loss. This thesis assesses the causes of the interannual variability of deep convection. We first aim to quantify the relative importance of preconditioning, defined as the temperature and salinity structures and contents of the water column before the onset of convection, and of the buoyancy …
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Seasonal predictability and interannual variability in coastal planktonic communities
Understanding the predictability and variability of coastal planktonic communities is essential for forecasting ecosystem responses to environmental change and managing marine resources. This thesis examines seasonal predictability, temperature-phenology relationships, and interannual bloom …
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A model study of the interannual variability of Tanzanian rainfall
… Model version 3 (HadAM3) to capturerainfall variability patterns over Eastern Africa and the western tropical Indian Oceanduring the rainy seasons (October to December (OND) and March to May (MAM)) isassessed against data derived from National Centre for Environmental Prediction (NCEP)model …
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Seasonal and interannual variability of wind-driven upwelling at Lüderitz, Namibia
The aim of this study is to examine the variability in the wind regime at diurnal, seasonal, interannual and interdecadal time scales. Meteorological measurements including wind speed, wind direction and air pressure collected at Dias Point Lighthouse (260 38.094'S 150 05.612'E) at hourly to …
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Interannual variability of air-sea fluxes of carbon dioxide and oxygen
… in the fossil fuel source indicate a significant variability in these global CO2 sinks. However, the enormous complexity of the terrestrial and oceanic biogeochemical systems that absorb atmospheric CO2 makes these sinks extremely difficult to understand and precisely quantify. Many techniques, …
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Interannual variability of the Pacific Water boundary current in the Beaufort Sea
… during this time period, we examine the interannual variability of the current. It is found that the volume, heat, and freshwater transport have all decreased drastically over the decade, by more than 80%. The most striking changes have occurred during the summer months. Using a …
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Interannual variability of the Pacific water boundary current in the Beaufort Sea
… during this time period, we examine the interannual variability of the current. It is found that the volume, heat, and freshwater transport have all decreased drastically over the decade, by more than 80%. The most striking changes have occurred during the summer months. Using a …
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Quantifying the effect of climate on respiratory viruses: From seasonality to interannual variability
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2023-09-01 without embargo terms
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Understanding the interannual variability of pCO2 in the sea-ice impacted Southern Ocean
… and the system's complexity. To characterize the interannual variability of oceanic pCO2 in the sea-ice-impacted Southern Ocean and identify their potential primary drivers, this thesis combines in situ observations with remotely sensed data and reanalysis models during the austral summer months. …
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Storm tracks, baroclinic waves propagation and their interannual variability in the northern hemisphere
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, 1997.
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The seasonal and interannual variability of the West Greenland Current system in the Labrador Sea
… convection takes place, is known to experience variability on time scales ranging from days to decades, little is known about the variability of the other components of the Labrador Sea circulation - the boundary current system and the eddies that connect it with the interior. Using various …
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Influence of the Quasi-biennial Oscillation on Interannual Variability in the Northern Hemisphere Winter Stratosphere
Observations show that the interannual variability of the Northern Hemisphere (NH) extratropical winter stratosphere is strongly correlated with the quasi-biennial oscillation (QBO) of tropical stratospheric winds, particularly during early winter. Most current general circulation models (GCMs) do …
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Trends and interannual variability in snowpack and spring season hydroclimatology in the southwestern United States
… the effects of recent historical trends and interannual variability (1979-2009) on land surface hydroclimatology in the Southwest U.S. There are multiple feedback mechanisms by which snowpack in the southwestern U.S. may indirectly influence short term and/or long-term climate variability. …
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Investigating the seasonal and interannual variability of the poleward undercurrent in the northern Benguela system
… data was used to determine the seasonal and interannual variability of the poleward undercurrent (PUC) in the northern Benguela system. The PUC is the southward extension of the Angolan Current that carries low oxygen water (LOW) originating from the Angola Dome. The LOW flows from the …
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The seasonal and interannual variability of the West Greenland current system in the Labrador Sea
… convection takes place, is known to experience variability on time scales ranging from days to decades, little is known about the variability of the other components of the Labrador Sea circulation - the boundary current system and the eddies that connect it with the interior. Using various …
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Interannual variability in cloudiness, sea surface temperature, and atmospheric circulation over the midlatitude North Pacific during summer
Large-scale interannual and interdecadal variability in surface-observed marine stratiform cloud (MSC) amount and sea surface temperature (SST) are closely coupled over the central North Pacific during summer. Increased (decreased) MSC amount occurs with decreased (increased) SST, resulting from …
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INTERANNUAL VARIABILITY IN MORPHOMETRIC CONDITION OF LARVAL FISH AS A FUNCTION OF ENVIRONMENTAL VARIABLES IN BEAUFORT, NC
… can be unpredictable from year-to-year, with its variability influenced by oceanic conditions experienced by fish larvae. Variations in larval abundance and condition have not been consistently related to juvenile abundance and recruitment for many fisheries species. By studying how environmental …
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Interannual variability of the Atlantic Hadley circulation in boreal summer and its impacts on tropical cyclone activity
… in terms of the meridional streamfunction. The interannual variability of the Atlantic HC in boreal summer was examined using the EOF analysis. The leading mode (M1), explaining more than 45% of the variances, is associated with the intensity change of the ITCZ. M1 is significantly correlated to …
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Interannual variability and long-term trends of surface hydrography around the Prince Edward Island Archipelago, Southern Ocean
… study of ecosystem response to intrinsic climate variability in the Southern Ocean and the impact of climate change. They are positioned in the Polar Frontal Zone, which is constrained by the subAntarctic Front and the Antarctic Polar Front, all of which are part of the strong, uninterrupted …
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Seasonal and interannual variability in the hydrology and geochemistry of an outlet glacier of the Greenland Ice Sheet
… a key component in stabilizing GrIS velocity on interannual time scales and controlling geochemical fluxes. During the spring and summer of 2011 and 2012, I conducted fieldwork at a large outlet glacier in southwest Greenland underlain by metamorphic silicate rocks. Data collected from a …
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