Warren B. White

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By focusing on time sequences of basin-average and global-average upper ocean temperature (i.e., from 40øS to 60øN) we find temperatures responding to changing solar irradiance in three separate frequency bands with periods of >100 years, 18-25 years, and 9-13 years. Moreover, we find them in two different data sets, that is, surface marine weather(More)
Research conducted during the past decade has led to an understanding of many of the mechanisms responsible for the oceanic and atmospheric variability associated with the El Niño-Southern Oscillation (ENSO). However, the reason for one of the fundamental characteristics of this phenomena, its quasi-periodicity, has remained unclear. Recently available(More)
From the early 1970s to the mid-1980s, the main thermocline of the subarctic gyre of the North Pacific Ocean shoaled with temperatures at 200–400-m depth cooling by 1Њ–4ЊC over the region. The gyre-scale structure of the shoaling is quasi-stationary and intensified in the western part of the basin north of 30ЊN, suggesting concurrent changes in gyre-scale(More)
Two distinct low-frequency fluctuations are suggested from a joint frequency domain analysis of the Pacific Ocean (30°S-60°N) sea surface temperature (SST) and sea level pressure (SLP). The lowest frequency signal reveals a spatially coherent interdecadal evolution. In-phase SST and SLP anomalies are found along the subarctic frontal zone (SAFZ). It is(More)
The North Pacific thermocline (250 to 400 m) is studied using XBT observations acquired during the 1970s and 1980s. Interannual variations (3–5 yr timescales) in thermocline temperature, with O(0.1ЊC) amplitude at 400 m, are found to exhibit westward propagation throughout the extratropical North Pacific up to 45ЊN. Southward of 30ЊN, the features propagate(More)
The Dustbowl Era drought in the 1930s was the principal Midwest drought of the twentieth century, occurring primarily in late spring–summer [April–August (AMJJA)] when Ͼ70% of annual rainfall normally occurred. Another major Midwest drought occurred in the 1950s but primarily in fall–early winter [September–December (SOND)] when normal rainfall was ϳ1/2 as(More)
Drought of 3 to 7 years' duration has devastated the flora, fauna, and regional economies in rangeland grazing districts over eastern and central Australia every 15 to 25 years throughout the 20th century, in some cases degrading the land beyond recovery. Recently, these drought and degradation episodes have been associated with a global interdecadal(More)
The meridional atmospheric teleconnections over the central North Pacific Ocean during winter are investigated by correlating the year-to-year fluctuations in the convective activity a t the Equator, mid-latitude pressure/wind system, and subtropical pressurelwind system from 1950 to 1972. To establish fluctuations in these climatological systems, we(More)