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RISInterannual and Decadal Variations in Cross-Shelf Transport in the Gulf of Alaska
Publisher: American Meteorological Society
Abstract: The marine ecosystem of the Gulf of Alaska (GOA) is one of the richest on the planet. The center of the GOA is characterized by high-nutrient and low-chlorophyll-a concentration. Recent observational studies suggest that ...
Generation of Low-Frequency Spiciness Variability in the Thermocline
Publisher: American Meteorological Society
Abstract: The generation of variance by anomalous advection of a passive tracer in the thermocline is investigated using the example of density-compensated temperature and salinity anomalies, or spiciness. A coupled Markov model is ...
Salinity Variations in the Southern California Current
Publisher: American Meteorological Society
Abstract: Hydrographic observations southwestward of the Southern California Bight in the period 1937?99 show that temperature and salinity variations have very different interannual variability. Temperature varies within and above ...
Numerical and Analytical Estimates of M2 Tidal Conversion at Steep Oceanic Ridges
Publisher: American Meteorological Society
Abstract: Numerical calculations of the rate at which energy is converted from the external to internal tides at steep oceanic ridges are compared with estimates from analytic theories. The numerical calculations are performed using ...
Decadal-Scale SST and Salinity Variations in the Central Tropical Pacific: Signatures of Natural and Anthropogenic Climate Change
Publisher: American Meteorological Society
Abstract: ccurate projections of future temperature and precipitation patterns in many regions of the world depend on quantifying anthropogenic signatures in tropical Pacific climate against its rich background of natural variability. ...
Tropical Pacific Decadal Variability and ENSO Precursor in CMIP5 Models
Publisher: American Meteorological Society
Paleoclimate Reconstructions of Tropical Sea Surface Temperatures from Precipitation Proxies: Methods, Uncertainties, and Nonstationarity
Publisher: American Meteorological Society
Abstract: Proxy-based paleoclimate reconstructions of tropical sea surface temperature (SST) fields may lead to better constraints of tropical climate variability in climate model projections. In this study, the authors quantify ...
North Pacific Gyre Oscillation Synchronizes Climate Fluctuations in the Eastern and Western Boundary Systems
Publisher: American Meteorological Society
Abstract: Recent studies have identified the North Pacific Gyre Oscillation (NPGO) as a mode of climate variability that is linked to previously unexplained fluctuations of salinity, nutrient, and chlorophyll in the northeast Pacific. ...
Forcing of Low-Frequency Ocean Variability in the Northeast Pacific
Publisher: American Meteorological Society
Abstract: An ocean model is used to examine and compare the forcing mechanisms and underlying ocean dynamics of two dominant modes of ocean variability in the northeast Pacific (NEP). The first mode is identified with the Pacific ...
An Adjoint Sensitivity Analysis of the Southern California Current Circulation and Ecosystem
Publisher: American Meteorological Society
Abstract: Adjoint methods of sensitivity analysis were applied to the California Current using the Regional Ocean Modeling Systems (ROMS) with medium resolution, aimed at diagnosing the circulation sensitivity to variations in surface ...