621 resultados para Sioux (Indiens)


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Cover title.

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Introduction signed: International Wholesale Grocers' Educational Committee.

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Imprint varies, Kansas City, Mo., 1960-July 16, 1968; Independence, Mo., July 23, 1968-; Des Moines, Iowa, -; Sioux City, Iowa, -1995.

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Description based on: Vol. 79, no. 05 (week ending 03 Feb. 1995); title from caption.

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Mode of access: Internet.

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"Contenant la concordance des mois indiens avec ceux de l'année grégorienne, les observations physiques et météorologiques, la liste des puissances de l'Europe."

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(cont) The source of the Mississippi / by N.H. Winchell -- Prehistoric man at the headwaters of the Mississippi River / by J.V. Brower -- Charter members of the Minnesota Historical Society and its work in 1896 / by Alex. Ramsey -- History of agriculture in Minnesota / by James J. Hill -- History of mining and quarrying in Minnesota / by Warren Upham -- History of the discovery of the Mississippi River and the advent of commerce in Minnesota / Russell Blakeley -- Reminiscences of persons and events in the early days of the Minnesota Historical Society / by William H. Kelley -- Fort Snelling from its foundation to the present time / by Richard W. Johnson -- Sully's expedition against the Sioux, in 1864 / by David L. Kingsbury -- State-building in the West / by Charles E. Flandrau -- Obituaries.

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9th at St. Paul.

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No meeting held in 1902; 9th and 10th annual meetings held in Jan. and Aug. 1909; 16th and 17th held Jan. and Sept. 1915; none held 1917.

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Thirty seven deep-sea sediment cores from the Arabian Sea were studied geochemically (49 major and trace elements) for four time slices during the Holocene and the last glacial, and in one high sedimentation rate core (century scale resolution) to detect tracers of past variations in the intensity of the atmospheric monsoon circulation and its hydrographic expression in the ocean surface. This geochemical multi-tracer approach, coupled with additional information on the grain size composition of the clastic fraction, the bulk carbonate and biogenic opal contents makes it possible to characterize the sedimentological regime in detail. Sediments characterized by a specific elemental composition (enrichment) originated from the following sources: river suspensions from the Tapti and Narbada, draining the Indian Deccan traps (Ti, Sr); Indus sediments and dust from Rajasthan and Pakistan (Rb, Cs); dust from Iran and the Persian Gulf (Al, Cr); dust from central Arabia (Mg); dust from East Africa and the Red Sea (Zr/Hf, Ti/Al). Corg, Cd, Zn, Ba, Pb, U, and the HREE are associated with the intensity of upwelling in the western Arabian Sea, but only those patterns that are consistently reproduced by all of these elements can be directly linked with the intensity of the southwest monsoon. Relying on information from a single element can be misleading, as each element is affected by various other processes than upwelling intensity and nutrient content of surface water alone. The application of the geochemical multi-tracer approach indicates that the intensity of the southwest monsoon was low during the LGM, declined to a minimum from 15,000-13,000 14C year BP, intensified slightly at the end of this interval, was almost stable during the Bölling, Alleröd and the Younger Dryas, but then intensified in two abrupt successions at the end of the Younger Dryas (9900 14C year BP) and especially in a second event during the early Holocene (8800 14C year BP). Dust discharge by northwesterly winds from Arabia exhibited a similar evolution, but followed an opposite course: high during the LGM with two primary sources-the central Arabian desert and the dry Persian Gulf region. Dust discharge from both regions reached a pronounced maximum at 15,000-13,000 14C year. At the end of this interval, however, the dust plumes from the Persian Gulf area ceased dramatically, whereas dust discharge from central Arabia decreased only slightly. Dust discharge from East Africa and the Red Sea increased synchronously with the two major events of southwest monsoon intensification as recorded in the nutrient content of surface waters. In addition to the tracers of past dust flux and surface water nutrient content, the geochemical multi-tracer approach provides information on the history of deep sea ventilation (Mo, S), which was much lower during the last glacial maximum than during the Holocene. The multi-tracer approach-i.e. a few sedimentological parameters plus a set of geochemical tracers widely available from various multi-element analysis techniques-is a highly applicable technique for studying the complex sedimentation patterns of an ocean basin, and, specifically in the case of the Arabian Sea, can even reveal the seasonal structure of climate change.

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In the framework of the global energy balance, the radiative energy exchanges between Sun, Earth and space are now accurately quantified from new satellite missions. Much less is known about the magnitude of the energy flows within the climate system and at the Earth surface, which cannot be directly measured by satellites. In addition to satellite observations, here we make extensive use of the growing number of surface observations to constrain the global energy balance not only from space, but also from the surface. We combine these observations with the latest modeling efforts performed for the 5th IPCC assessment report to infer best estimates for the global mean surface radiative components. Our analyses favor global mean downward surface solar and thermal radiation values near 185 and 342 Wm**-2, respectively, which are most compatible with surface observations. Combined with an estimated surface absorbed solar radiation and thermal emission of 161 Wm**-2 and 397 Wm**-2, respectively, this leaves 106 Wm**-2 of surface net radiation available for distribution amongst the non-radiative surface energy balance components. The climate models overestimate the downward solar and underestimate the downward thermal radiation, thereby simulating nevertheless an adequate global mean surface net radiation by error compensation. This also suggests that, globally, the simulated surface sensible and latent heat fluxes, around 20 and 85 Wm**-2 on average, state realistic values. The findings of this study are compiled into a new global energy balance diagram, which may be able to reconcile currently disputed inconsistencies between energy and water cycle estimates.