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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 28 for “"Pacific Decadal Oscillation"”.

  1. Teleconnective Influences on the Strength of Post-tropical Cyclones

    Young, Jeremy

    … how teleconnections such as the El Niño Southern Oscillation (ENSO), the Madden-Julian Oscillation (MJO), the Atlantic Multidecadal Oscillation (AMO) and the Pacific Decadal Oscillation (PDO) contribute to the strength of a transitioning post-tropical storm. T-tests performed show strong …

    wku-diss Repository record

  2. Eastern Deciduous Forest Phenology and Vegetative Vigor Trends From 2000 to 2013, Mammoth Cave National Park, KY

    Hutchison, Sean Taylor

    … Finally, the Multivariate ENSO Index and the Pacific Decadal Oscillation index are shown to have significant positive correlations with the summer productivity of MACA during the study period.</p>

    wku-diss Repository record

  3. Drought in the Colorado River Basin: Spatiotemporal Analysis using an Edge Detection Filter

    Ross, Lindsay

    … principal component loadings suggests that the Pacific Decadal Oscillation and the Atlantic Multidecadal Oscillation play a significant role in forcing drought onset patterns. Superposed Epoch Analysis and a species-sensitivity analysis revealed that there are differences that exist between the …

    unm Repository record

  4. Climate controls on coral growth in the Caribbean

    Bosshart, Sara A.Massachusetts Institute of Technology and Woods Hole Oceanographic Institution2013

    … variability occurring on multi-annual to decadal timescales, which are significantly longer than the duration of typical laboratory and field-based experiments. Skeletal growth records, which provide annually-resolved histories spanning several centuries, enable links to be established …

    woods-hole Repository record

  5. Late Holocene Climate-Flood Relationships on the Lower Ohio River

    Pollard, Harvie Jason2020

    … atmospheric circulation changes resembling the Pacific North vii American mode (PNA) that appear to have been driven in part by the Pacific Decadal Oscillation (PDO). Following Euro-American land clearance, lower Ohio River flooding increased dramatically despite a decrease in winter …

    iupui Repository record

  6. Climate controls on coral growth in the Caribbean

    Bosshart, Sara A. (Sara Allison)Massachusetts Institute of Technology2013

    … variability occurring on multi-annual to decadal timescales, which are significantly longer than the duration of typical laboratory and field-based experiments. Skeletal growth records, which provide annually-resolved histories spanning several centuries, enable links to be established …

    mit Repository record

  7. Spatial and Seasonal Variations in Aridification Across Southwest North America

    Jones, Shannon Miller

    … in SWNA P−E and is strongly correlated with Pacific Ocean temperature anomalies associated with the El Niño Southern Oscillation and the Pacific Decadal Oscillation during the cold season. However, SWNA aridification is distinguished from the region's natural climate variability because it …

    unm Repository record

  8. A Dendroclimatic Investigation of Southwestern Saskatchewan

    Kerr, Samantha AliciaFaculty of Graduate Studies and Research, University of Regina2013

    … at the inter-annual (~2-6 year) and multi-decadal (~20-30 year) scales of ocean-atmosphere oscillations, specifically the El Niño Southern Oscillation (ENSO) and Pacific Decadal Oscillation (PDO). The level of uncertainty for each reconstruction was assessed, and results were compared to …

    regina Repository record

  9. DIRECT AND INDIRECT MODIFICATION OF STREAM FLOW IN THE FLATHEAD RIVER BASIN IN NORTHWESTERN MONTANA: HYDROLOGIC PARAMETER DEVELOPMENT AND IMPLEMENTATION

    Bell, Angie Lynn

    … flow regime variability. Precipitation, in the Pacific Northwest, is associated with natural climate oscillations. Therefore, flow regime variability may be associated with natural climate oscillations such as El Nino Southern Oscillation and Pacific Decadal Oscillation. Chapter 2 compared flow …

    montana-tech Repository record

  10. DIRECT AND INDIRECT MODIFICATION OF STREAM FLOW IN THE FLATHEAD RIVER BASIN IN NORTHWESTERN MONTANA: HYDROLOGIC PARAMETER DEVELOPMENT AND IMPLEMENTATION

    Bell, Angie Lynn

    … flow regime variability. Precipitation, in the Pacific Northwest, is associated with natural climate oscillations. Therefore, flow regime variability may be associated with natural climate oscillations such as El Nino Southern Oscillation and Pacific Decadal Oscillation. Chapter 2 compared flow …

    montana Repository record

  11. On a New Framework for Detecting, Classifying, and Forecasting Floods for Large-scale Flood Risk Analysis

    Glenn, Equisha2021

    … field correlation analysis, the El Nino-Southern Oscillation (ENSO), Pacific Decadal Oscillation (PDO) region, and northeastern Caribbean sea-surface temperatures (SSTs) were identified to have a statistically significant correlation up to 1 season ahead (data from October, November, December) …

    cuny Repository record

  12. Hydrographic Variability on Decadal and Interdecadal Scales in the Northern Gulf of Alaska

    Sarkar, Nandita2019

    <p>The mixed layer depth (MLD) in the North Pacific is important to vertical mixing and hence the flux nutrients into the euphotic zone. A time series of hydrographic measurements, tem perature and salinity versus depth, at a coastal site in the northern Gulf of Alaska is used to determine the …

    odu Repository record

  13. Study on Regional Responses of Pan-Arctic Terrestrial Ecosystems to Recent Climate Variability Using Satellite Remote Sensing

    Zhang, Ke

    … finally analyzed the effects of regional climate oscillations on vegetation productivity and the regional water balance.<p> The results show that low temperature constraints on Boreal-Arctic NPP are decreasing by 0.43% per year ( <italic>P</italic> < 0.001), whereas a positive trend in vegetation …

    montana-tech Repository record

  14. Study on Regional Responses of Pan-Arctic Terrestrial Ecosystems to Recent Climate Variability Using Satellite Remote Sensing

    Zhang, Ke

    … finally analyzed the effects of regional climate oscillations on vegetation productivity and the regional water balance.<p> The results show that low temperature constraints on Boreal-Arctic NPP are decreasing by 0.43% per year ( <italic>P</italic> < 0.001), whereas a positive trend in vegetation …

    montana Repository record

  15. The Seasonality and Climate Predictability of the Frequency of Extreme Flood Events Across the Contiguous United States

    Alonge, Ololade S2023

    … and NINO1.2 (indices for El-Nino Southern Oscillation) are influencing factors in 32% and 36% of the stations, respectively. NAO (North Atlantic Oscillation) SNAO (Summer NAO) are significant in 23% and 19% of stations, respectively. AMO (Atlantic Multi-decadal Oscillation), PDO (Pacific …

    cuny Repository record

  16. Climatic influences on sagebrush establishment in Arid Rangelands: Applications for rangeland rehabilitation.

    Hourihan, Erin V.2011

    … of global climatic patterns. Monthly Pacific Decadal Oscillation (PDO) index variables were correlated with seedling recruitment in all species studied. This relationship was significant (α=.05) for low sagebrush at and Wyoming big sagebrush at each study site. July PDO was the most …

    unr Repository record

  17. Using statistical learning approaches to understand trends and variability of tornadoes across the continental United States

    Nouri, Niloufar2021

    … climate variables include El Niño Southern Oscillation (ENSO), Southern Oscillation Index (SOI), North Atlantic Oscillation (NAO), Pacific Decadal Oscillation (PDO), Arctic Oscillation (AO), and Atlantic Multi-decadal Oscillation (AMO). The model provides a robust way of estimating the …

    cuny Repository record

  18. Changes of Winter Severity in Arkansas during 1901-2100

    Garcia, Christian2024

    … usually associated with negative North Atlantic Oscillation (NAO) phases. The milder winters during 1990s and 2000s are associated with positive NAO phases. The pAWSSI is also significantly correlated with Pacific Decadal Oscillation (PDO) during 1948-2012. However, the link between PDO and …

    arkansas Repository record

  19. Assessment of the influence of Nonstationary Climate on Extreme Hydrology of Southwestern Canada

    Gurrapu, SunilFaculty of Graduate Studies and Research, University of Regina2020

    … southwestern Canada to examine the impact of the Pacific Decadal Oscillation (PDO) on annual flood risk. Using Spearman’s rank correlation ρ and permutation tests on quantile-quantile plots, I found that higher magnitude floods are more likely during the negative phase of the PDO than during the …

    regina Repository record

  20. Changes in Geomorphic Equilibrium on Furnace Run, Summit County, Ohio

    Liberatore, StephenUniversity of Akron2013

    … Furnace Run. Prior to 2003, the El-Niño Southern Oscillation (ENSO) and the Pacific Decadal Oscillation (PDO) were trending towards positive (dry) phases, and after 2003 ENSO and PDO were trending towards negative (wet) phases, which may have promoted wet conditions within the Cuyahoga River …

    ohiolink Repository record

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