In 1882, the Turtle Mountain Chippewa Reservation was created which was 500,000 acres, or twenty-two townships. Suddenly, in 1884, the Turtle Mountain Chippewa Reservation was cut down to approximately 476,000 acres, or twenty townships without warning. The total land holdings of the Turtle Mountain Chippewa people in 1884 were ten million acres or approximately 1/10 of North Dakota. But by 1892, their total land holdings were down to thirty four thousand acres, or two townships. In 1882, a traditional tribal government whose hereditary leader had been head chief since 1863 conducts Turtle Mountain Chippewa affairs. However, in 1892, a native committee appointed by a federal Treaty Commission becomes the recognized government body of the Turtle Mountain ChippewaThe Turtle Mountain Chippewa are still today the most prominent of the Plains Chippewa tribes in America, having today's membership and affiliates numbering nearly eighty thousand people. As we shall see, the Turtle Mountain Chippewa were also affiliated with the ethnically European and Indian mixed Métis people, who constitute the largest indigenous group in Canada, and will suffer because of their conflicts between nationality and Canadian and American federal policy. Due to an influx of new evidence, and using quantitative and qualitatitive methodologies combined with analysis of primary and secondary sources, this (dissertation) will contribute to the public record and change previous interpretations concerning the creation of the Turtle Mountain Chippewa Reservation in the 1880s, and final settlement treaty between the United States and the Turtle Mountain Chippewa Indians of North Dakota in 1892. Through letters, journals, manuscripts, as well as other miscellaneous works such as newspaper articles and literary books, a thesis framework will be constructed to put some never before revealed information in a proper historical context.Whether or not Little Shell III was the undisputed head chief of the Turtle Mountain Chippewa and that his being deposed by a faction within his own tribal government was wrong or illegal by the tribe or the federal government, is not an objective of this paper. Instead, this historical revision of the pivotal events of the 1880s and 90s will show that Little Shell III's tenure as a head chief among the Turtle Mountain Chippewa will depict a leader who operated within a chieftain's parameters to mediate disputes and competently represented his diverse tribal membership to outsiders. The failure or lack of success in achieving the goals for all of the people at the Turtle Mountains cannot be a condemnation of his abilities considering that success for Little Shell by the 1880s depended upon fair and equitable treatment by the American federal government. Much of the history during the time from 1882 - 1892 has been misinterpreted by historians until now, it is imperative to proceed carefully with the new information and lay a solid groundwork for further study. Nevertheless, this work will charge the U.S. government for fraud against a peaceful defenseless people, and destroying their traditional leadership structure as well.

The focus of this study is the hydrochemical variability of runoff events in two nested alpine/sub-alpine basins. More specifically, the aim is to link hydrograph interpretations to results of hydrochemistry during rain storms in order to understand better short term hydrochemical fluxes and variability in solute sources. Hydrograph separation was undertaken by using four hydrological tracers; electrical conductivity, concentration of silica, and the stable environmental isotopes oxygen-18 and deuterium. The different methods predicted consistent high pre-storm water contribution for the lower station at peak flow (60%-90%) but less consistent results were found at the upper basin outlet (25%-90%). The chemical characteristics of the stream water have been analyzed using three different approaches, namely; statistical, mass balance, and thermodynamic. Linear correlation was used to investigate the statistical association between discharge and the individual chemical species. The mass balance approach was used to correlate stoichiometry of the bedrock mineralogy to dissolved constituents in the stream water. Finally, a thermodynamic technique was used to evaluate to what extent the stream water could be represented as an equilibrium system and how this changed over the course of the storm. The results from these methods showed that the stream water variability was caused almost entirely by dilution from rain water input.

Debris flows in the southern Coast Mountains exhibit different dynamic and sedimentologic characteristics, depending on the lithology of their source areas. Fine-textured debris flows originating in the Quaternary volcanic complexes are much more mobile than those originating in the coarse-textured plutonic rocks which form most of this mountain range. Mobility can be described as the velocity of flow, the distance of travel of debris flows, and the slope required to sustain flow. The objectives of this study are to examine the effect of different sediment composition on the mobility of debris flows, and to determine which rheologic models are most applicable for modeling debris flows in these geologic environments. About 25 debris flow events in or adjacent to the southern Coast Mountains were examined, ranging in volume from 10² m³ to over 10⁷ m³. Field methods included sampling of grain-size distribution, measurement of the deposit and channel dimensions, and observation of the stratigraphy of debris flow fans. Shear strength, permeability, and consolidation tests were performed on samples of reconstituted debris, representative of typical fine-textured and coarsetextured debris flows. These samples were also used to model debris flows in a flume. The coarse-textured, plutonic-source, debris flows typically had a distinct, inverselygraded, clast-supported, surface layer of cobbles and boulders. Their deposits tended to be irregular in thickness, with lobes and levees of coarse material. The fine-textured, volcanicsource, debris flows had no such surface layer, and their deposits were generally uniform in thickness and surface morphology. These observations, and corroborating evidence from the flume results, suggest that fine-textured debris flows behave according to the Bingham flow model, while coarse-textured debris flows can be better described by a granular, or dilatant, flow model. A clay content of about 4% in the matrix (sub-4 mm material) is a useful measure to distinguish the two populations. Several debris flow events of intermediate behaviour and sediment composition were also examined. The permeability of the debris, and hence its rate of consolidation, is an important factor controlling mobility. The volume of debris flow events was found to be the most significant factor controlling runout distance.

Although periglacial research in the high Drakensberg and Lesotho mountains has received growing interest amongst southern African geomorphologists, little detailed, quantitative information was available prior to this study. In an attempt to help overcome this deficit, a quantitative assessment on cryogenic landforms and processes operative in the high Drakensberg was undertaken. Morphological and sedimentological assessments of sorted patterned ground, non-sorted steps, thufur, blockstreams, stone-banked lobes, debris deposits and turf exfoliation landforms were undertaken. In addition, geomorphic process assessments in the field included the measurement of turf retreat at turf exfoliation sites, the determination of frost-heave mechanisms within wetlands and sediment mobilization along the Mashai Stream. Ground temperatures were recorded for thufur from 1993 to 1996. The environmental implications of some of the findings are discussed. Seasonal frost-induced sorted patterned ground emerges annually within a few weeks, demonstrating the effect of regular, diurnal freeze-thaw cycles during the winter months. It is found that the present climate is not conducive to maintaining or preserving miniature periglacial landforms below 3200m a.s.l. during the summer months. Large relict sorted circles, stone-banked lobes and blockstreams are the most conspicuous periglacial landforms in the high Drakensberg and are products of at least seasonally-frozen ground. It is suggested that debris deposits found within high Drakensberg cutbacks are possible indicators for marginal niche and cirque glaciation during the Late Pleistocene. It is demonstrated that in climatically marginal periglacial regions, the microtopographically controlled freezing processes may be of paramount importance in maintaining and modifying the cryogenic landforms that occur. Pronounced temperature differentials are found during the winter months, when thufur are frozen for several weeks and depressions remain predominantly unfrozen. It is suggested that such contemporary temperature differentials induce thermodynamic forces and ultimately ground heave at sites in the high Drakensberg. The pronounced seasonal weather patterns in the high Drakensberg have promoted a cycle of geomorphic process events that operate synergistically and initiate particular erosion landforms. However, cryogenic activity during the colder period is overwhelmed by water induced erosion processes during the summer months in the high Drakensberg. It is concluded that the high Drakensberg is currently a marginal periglacial region, but that periglacial conditions prevailed during both the Pleistocene and some Late Holocene Neoglacial events. / Thesis (Ph.D.)-University of Natal, Pietermaritzburg, 1997.

Tree-ring records collected from living mountain hemlock trees in the southern British Columbia Coast Mountains have been used to provide insights into the character of historical climatic fluctuations and the behaviour of individual climate forcing mechanisms. The relatively short-duration of these records limits, however, their ability to describe climate variability and atmospheric processes that change gradually or undergo long-term regime shifts. The objectives of this research were to extend the duration and quality of proxy climate information extracted from mountain hemlock tree-ring chronologies. In coastal British Columbia most existing mountain hemlock tree-ring chronologies extend from ca. AD 1600 to present. To extend the duration of these chronologies, coarse woody debris recovered from the bottom of M Gurr Lake, a high-elevation lake in the vicinity of Bella Coola, British Columbia, was cross-dated to nearby living chronologies surrounding M Gurr lake and increment core samples of ancient trees at Mt Cain on northern Vancouver Island. From this, a regional continuous 917-year long record of radial growth was constructed. The resulting regional chronology was used to construct a 785 year-long proxy record of gridded air temperature anomalies displaying periods of cooler and warmer than average regional air temperatures that contained century-long low frequency trends. Cross-dating and tree morphological evidence of snow avalanche activity displayed within living trees surrounding the lake, and within the coarse woody debris, revealed that low-magnitude avalanches occurred in the winter months of AD 1713-1714, 1764-1765, 1792-1793, 1914-1915, 1925-1926, and 1940-1941. High magnitude avalanche events occurred in the winter months of AD 1502-1502 and 1868-1869. A second objective of the thesis was to investigate the radial growth response of mountain hemlock trees to subseasonal climate variables using standardized ring-width and densitometric analyses. Mountain hemlock chronologies from M Gurr Lake, Cyprus Provincial Park, and Mount Arrowsmith were used to describe the inherent climate-growth trends. Maximum annual tree-ring density values provided a robust data series for constructing site-specific proxy records of late-summer temperature. Annual tree-ring width measurements provided independent proxies of spring snowpack trends. Regionally-derived proxy models indicated that intervals of cooler-than-average and higher-than-average air temperatures correspond to years of higher-than-average average and cooler-than-average snowpacks, respectively. Of note were the significant decreases in air temperature and increases in snowpack depths during the early-1700s and early-1800s coinciding with documented glacier advances in the Coast Mountains. Identification of these subseasonal climate signals within the tree-rings of mountain hemlock trees demonstrates the value of incorporating investigations of multiple tree-ring parameters. / Graduate

In a country such as Scotland, there is little land, if any, that has escaped the influence of humankind in one way or another. The degree of human influence varies along a continuum from, for example, the city centre office block, to a very remote mountain hilside. Despite the effects of human influence, the landscapes at the latter end of the continuum are stil perceived by many as wild and are relatively untouched. Wild land is valued for both utilitarian and intrinsic reasons and provides a range of benefits. However, owing to the subjective nature of current wild land definitions, these values and benefits are rarely taken into account in current land use management and new developments. The aim of this study was to define in spatial terms the concept of wild land in Scotland using people's visual perceptions of the landscape. This was achieved through the development of a method to define objectively wild land by quantifying the wildness of a location based on the surrounding landscape attributes. The main objectives of the study were an assessment of the physical and perceptual characteristics of wild land, the examination of the current wildness of a range of Scottish areas which in turn enabled the stability of wild land perceptions over time to be evaluated in comparison with existing data. The perceptual nature of wild land necessitates a multidisciplinary approach and requires a broad range of opinion to be consulted in its definition. The use of a photographic questionnaire enabled the views of those living nearby and visiting potential wild land areas to be gathered. The photographs represented the range of characteristic landscape attributes within the two study areas of the Cairngorms and Wester Ross, and were rated for their wildness. The extent of visible landscape attributes was quantified using a geographical information system (G.I.S.) and was used along with wildness ratings to develop and test predictive wildness models using multiple linear regression techniques. Wildness models were then applied within each of the two study areas, producing maps of wild land that could then be used in decisions on future planning and conservation issues.

Mountain precipitation, as a major component of global ecology and culture, requires diverse observation-based distribution studies to improve process characterisation and so enhance environmental management and understanding. Analysis of data from an array of precipitation gauges within the nationally important, and internationally extreme, mountainous Lake Pukaki catchment in New Zealand has been undertaken in an effort to provide such a study, while also improving local hydrological understanding. An objective observation based undercatch-corrected 1971-2000 average annual precipitation distribution has been prepared for the mountainous Lake Pukaki catchment, New Zealand. Precipitation records from 58 gauges at 51 sites, augmented with 10 new gauges, were used in preparation of the distribution. The assessed undercatch correction of 17 % across the catchment indicates that mountain hydrological investigations in New Zealand that use precipitation data and yet do not consider undercatch will be in considerable error. The average annual distribution confirms the existence of high precipitation magnitudes and horizontal gradients in the catchment in comparison with other mountain regions around the world. The high magnitude is unusual when its position in the lee of the principal orographic divide is considered indicating rare precipitation distribution processes occur in the region. Consideration of river flows, glacial change and evaporation led to a confirmation of the gauge derived average catchment precipitation. Precipitation to wind direction relationships identified the predominant westerly wind to be the primary precipitation generating direction with large magnitude events biased towards the northerly direction. All directions from the eastern side of the mountain divide had the lowest frequency and daily precipitation magnitude. Derivation of wind-classed precipitation distributions identified a distinctive south east to north west precipitation gradient for all wind directions, most severe for the north west direction and least severe for the easterly direction. Precipitation extent was greatest for the northerly direction and least for the south south westerly. The wind-classed distributions enable the estimation of daily precipitation likelihood and magnitude at any location in the catchment based on knowledge of the synoptic wind flow direction and precipitation at just one reference site. Improved river flow and lake inflow estimates resulted from the use of wind classed daily precipitation estimates validating the quality of the wind classed distributions. From 1939 to 2000 there has been no statistically significant trend in precipitation magnitudes, frequencies, or extremes in the catchment. At Aoraki/Mt Cook village, in the upper catchment, there have been significant increases in magnitude, frequency and extremes associated with the phase change of the Interdecadal Pacific Oscillation (IPO) in 1978. This change can be explained by the increase in strength of westerly winds for the different IPO phases but not by a change in frequency of different wind directions. In the lower catchment the IPO relationship is of an opposite sense to that observed in the upper catchment, indicating that the areas operate under two different climate regimes with different precipitation controls. The significant relationship to the IPO phase indicates that it is more important than climate warming in terms of future precipitation distribution in the Lake Pukaki catchment, and by extension the Southern Alps. The distributions prepared provide a valuable tool for operational and academic hydrological applications in the region. In addition, they provide a valuable characterisation of the precipitation in a Southern Hemisphere mid-latitude lee to predominant westerlies glacierized mountain catchment. From this standpoint they highlight the contrast to Northern Hemisphere mountain precipitation distributions commonly used in model validation studies, thereby providing an extension of locations with which to refine orographic precipitation process understanding.

Thesis (M.S. - Geology)--University of Arizona. / Part of illustrative material in pocket. Bibliography: leaf 70.

Thesis (Ph.D. - Geosciences)--University of Arizona. / Page between 27 and 28 is unnumbered. Includes bibliographical references (leaves 157-167).

Thesis (M. S.)--Ohio State University, 2008. / Title from first page of PDF file. Includes bibliographical references (p. 49-58).