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Saturday, November 21, 2020 | History

4 edition of Velocity of sound in sediments cored from southern Lake Michigan found in the catalog.

Velocity of sound in sediments cored from southern Lake Michigan

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  • 28 Currently reading

Published by Illinois State Geological Survey in Urbana .
Written in English

  • Michigan, Lake.
    • Subjects:
    • Sediments (Geology) -- Acoustic properties -- Michigan, Lake.,
    • Seismic refraction method.,
    • Geology, Stratigraphic -- Pleistocene.

    • Edition Notes

      Statement[by] Marshall L. Silver [and] Jerry A. Lineback.
      SeriesIllinois. State Geological Survey. Circular, 475, Circular (Illinois State Geological Survey) ;, 475.
      ContributionsLineback, Jerry Alvin, joint author.
      LC ClassificationsQE105 .A45 no. 475, QE471.2 .A45 no. 475
      The Physical Object
      Pagination18 p.
      Number of Pages18
      ID Numbers
      Open LibraryOL5027275M
      LC Control Number73621943

      Sediment cores were collected at 36 sites from three dam impoundments on the Kalamazoo River, near Plainwell, Otsego, and Allegan, Michigan. Sediment-depth profiles and particle-size analysis of core samples formed the principal basis for an interpretation of the sedimentation history and lithology at each dam. Rising lake levels eroded the lake margins and generated sediment that was transported to southern Lake Michigan, creating the Tolleston barrier beach. The second stage, beginning ~ ka with a rapid lake level fall and continuing to ~ ka, represents a major episode of transgressive parabolic dune field development. Studies have suggested low elevations between 74 m and m for the southern Lake Michigan basin. The Chippewa Phase lasted between 4, and 5, years. From this extreme low, lake-level rose primarily in response to isostatic uplift of the North Bay outlet culminating in the Nipissing Phase(s) about ka. Mona Lake before it empties into Lake Michigan. The glacial aquifer is composed mostly of lacustrine sand and gravel with some glacial outwash and till soils. The watershed is included in the Southern Michigan Northern Indiana Till Plains (SMNITP) ecoregion. Much of the land area of the watershed is used for agricultural and urban purposes.

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Velocity of sound in sediments cored from southern Lake Michigan by Marshall L. Silver Download PDF EPUB FB2

Additional Physical Format: Online version: Silver, Marshall L. Velocity of sound in sediments cored from southern Lake Michigan. Urbana, Illinois State Geological Survey, Velocity of sound in sediments cored from southern Lake Michigan.

By Marshall L. Silver and Jerry Alvin Lineback. Get PDF (2 MB) Abstract. At head of title: State of Illinois, Department of Registration and graphy: p. 18 Topics: Sediments (Geology) -- Acoustic properties Author: Marshall L. Silver and Jerry Alvin Lineback.

Velocity of sound in sediments cored from southern Lake Michigan Welcome to the IDEALS Repository. JavaScript is disabled for your browser.

Some features of this site may not work without it. Velocity of sound in sediments cored from southern Lake Michigan. Silver, Marshall L.; Lineback, Jerry Alvin. Use this link to cite this item. Velocity of sound in sediments cored from southern Lake Michigan.

By Marshall L. Silver, joint author. Jerry Alvin Lineback and Illinois. Sediments (Geology Provided by: University of Michigan Library Repository. sediment-filledportionsofthecore(t-t=ts-tsw),csistheacousticvelocity in thesediment, and c w is theacousticvelocity in water.

Experiments haveshown thattheacousticvelocity in freshwatervaries. Reid, J. "Investigations of Bottom Cores from North and South-Central Lake Superior," pp. Proceedings 4th Conference Great Lakes Research, International Association Great Lakes Research.

Silver, M. L., and J. Lineback (). "Velocity of Sound in Sediments Cored from Southern Lake Michigan.". We have con structed our sediment budget for southern Lake Michigan, a semi-enclosed basin bound by land on the west, south, and east sides, and by the mid-lake bathymetric high on the north side.

The northern boundary of the depositional basin is arbitrarily de fined by lines drawn along sills on the mid-lake high (Fig. Silver ML and Lineback JA () Velocity of sound in sediments cored from southern Lake Michigan. Champaign: Illinois State Geological Survey Circular pp 1–18 Google Scholar.

[3] Both the and plume events were characterized by low light levels and relatively high nutrient concentrations [Cotner, ].Because of light limitation, no significant cross‐isobath gradient of chlorophyll a concentration was observed over a timescale of 5–7 days for these 2 years. The concentration of phosphorus in southern Lake Michigan was lower in than.

Sediment accumulation rates are low: areas of the lake receiving the most sediment average only 1 mm a-1; deep-water basins average to mm a-1; and large areas are not receiving any sediment.

Sediment was deposited rapidly (typically 5 mm a-1), in the form of rock flour, during the deglaciation of both Lake Michigan and Lake Superior. [20] Sediment dating of core SR1a, by Pb analysis, indicates a velocity sedimentation rate of cm/yr, which corresponds to a Cs maximum at ∼56 cm.

This velocity sedimentation rate supports the Cs dating as a Cs peak is observed at ∼55 cm depth (Figure 6). Time series measurements of water transparency, water temperature, and current velocity were made at a station located in 58 m of water in southern Lake Michigan during the summer of.

For example, in reporting a detailed field investigation of sediment transport in southern Lake Michigan, Hawley and Lee [] concluded that coastal sediments transported laterally is. Velocity of sound in sediments cored from Coal Member has been studied in an area that covers southern and central Illinois and parts of Indiana and Kentucky.

Division Illinois--Chicago Metropolitan Area Illinois--Illinois Waterway Illinois--Lake County Illinois--Saint Clair County Lake Michigan Land use Licenses Medical personnel Mines.

resuspension parameters on sediment resuspension within measurement uncertainties in southern Lake Michigan. Sediment Dynamics and Bed Model [7] A one-dimensional resuspension model capable of dealing with mixed sediments was developed to simulate time series of suspended sediment concentration locally resuspended by waves and currents.

Petoskey isn't the only stone on the beach, and the Lake Michigan shoreline from South Haven to St. Joseph offers wonderful stones for rock collectors. Here are the names of some of those commonly. Lake - Lake - Sediments and sedimentation: Lake sediments are comprised mainly of clastic material (sediment of clay, silt, and sand sizes), organic debris, chemical precipitates, or combinations of these.

The relative abundance of each depends upon the nature of the local drainage basin, the climate, and the relative age of a lake. The sediments of a lake in a. A Sediment Story. Sediments cored from the ocean bottom serve as a timeline of events: each year's sediments are stacked on top of the ones from the year before.

The deeper the sediment, the older it is. This core (right) is modeled after one taken from the seafloor almost 5 kilometers (3 miles) underwater in the southeastern Atlantic. In mid-Decembersuspended sediments transformed the southern end of Lake Michigan.

Ranging in color from brown to green, the sediment filled the surface waters along the southern coastline and formed a long, curving tendril extending toward the middle of the lake. Puget Sound (/ ˈ p juː dʒ ɪ t /) is a sound of the Pacific Northwest, an inlet of the Pacific Ocean, and part of the Salish is located along the northwestern coast of the U.S.

state of is a complex estuarine system of interconnected marine waterways and basins, with one major and two minor connections to the open Pacific Ocean via the Strait of Juan de. Lake Michigan, particularly the southern basin, is subject to recurrent episodes of mas-sive sediment resuspension by storm-induced waves and currents.

The purpose of this paper is to investi-gate the climatology of these events for Lake Michigan, including an analysis of associated meteorologi-cal conditions.

Sediment cores were collected from the deepest portion of each lake using a MC Lake/Shelf Multi-corer. Cores were described and examined for color, texture, and signs of zoobenthos and other disturbance.

Cores were then extruded and sectioned at cm intervals for the top 8 cm, and at 1 cm intervals for the remainder of the core. Sediment. uppermost few centimeters of fine-grained Iacustrine sediments in southern Lake Michigan (LIXEBACX and Gross, ; SHIMP et al.,measurements of the recent sedimentation rate may play a decisive role in determining the relative importance of man’s effect versus naturally-occurring diagenesis.

The post-glacial history of the Great Lakes has involved changes in lake levels that are equivalent in vertical extent to the Pleistocene changes in global sea level and changes in sediment accumulation by at least two orders of magnitude.

In the sediments of the northern Lake Michigan basin, these radical changes in base level and sediment supply are. Saginaw lobe tunnel valleys trend northeast—southwest and Lake Michigan lobe tunnel valleys generally trend east—west.

At some time after a Saginaw lobe retreat in southern Michigan, the drumlinized landscape was overridden by an advance of the Lake Michigan lobe to an ice-marginal position at the Tekonsha moraine.

Download a specific PDF of one of the hundreds of lakes featured in our newly revised Michigan Fishing Map Guides and eBooks with color contour lake maps, stocking and survey data, lake data, and fishing tips from local experts.

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sediment on the eastern side of the basin appear to have been deposited at higher rates between 9 and 10 ka. Most of the southern Lake Michigan basin only contains m of sediment deposited in the last 9 ka and thus has been sediment-starved during the Holocene.

To evaluate these hypotheses, a meter sediment core was collected from the center of Gravelly Lake in May The core was sliced into sections one centimeter thick and analyzed for a variety of parameters including organic content, biogenic silica (diatom content), phosphorus, carbon and nitrogen isotope ratios, and heavy metals: lead (Pb), zinc (Zn), copper (Cu), and.

MAGNETIC STRATIGRAPHY OF LAKE MICHIGAN FIG. Core locations in Lake Michigan. The water depth for cores l-3 was over between and ft (between 70 and m).

on field evidence, the age of the oldest known till unit that is found on the floor of the lake basin is ab 14C. Michigan. Collected sediment cores were described and examined for color, texture, and signs of zoobenthos.

Cores were then extruded and sectioned at cm intervals for the top 8 cm, and at 1 cm intervals for the remainder of the core. Pb was measured on one sub-core from each lake to determine porosity, accumulated dry mass, sedimentation.

Resuspension of nearshore and shoal top sediments in southern and southeastern Lake Superior by storms is responsible for depositional anomalies in /sup /Pb profiles corresponding to ,more» Sedimentation rates are very low ( cm/yr) in the central basins due to isolation from sediment sources.

Sediments from Lakes Beds and Seafloors. Layers of sediments that slowly accumulate on the bottoms of lakes, seas, and oceans gradually enshrine a very long-term history of climate information.

Sediment records can span hundreds of millions of years or longer, though the resolution of such records is typically only on the order of a century. for sediment, and equals in inch-pound units, or in SI units. The suspended-sediment concentration relations based on linear interpolation and associated water discharges for two fl oods on the Mississippi River at Thebes, Illinois, are shown in Fig.

D-1 (Holmes ). Reliable suspended-sediment records cannot be obtained. disparate sediment types (Caulfield et al., ). In the overall quantitative mass balancing of sediment transport, resuspension and transport are computed using the output of a hydrodynamic model, and the measured characteristics of sediments (e.g.

Buffalo River, Saginaw River, Fox River/Green Bay, Lake Michigan) (USEPA, ). Crosscutting relationships of moraines indicate the Saginaw Lobe branch of the Saginaw-Huron ice stream was active in southern Michigan earlier than either the Lake Michigan Lobe or Huron-Erie Lobe (Leverett and Taylor, ; Zumberge, ; Kehew et al.,; Colgan et al., ).

As the Saginaw Lobe retreated in southern Michigan, the. @article{osti_, title = {Dissolution of diatom frustules and silicon cycling in Lake Michigan, U.

A}, author = {Parker, J. and Conway, H. and Yaguchi, E. and Edgington, D. N.}, abstractNote = {Diatoms require dissolved silicon for the formation of the silicate frustule that surrounds the cell. Potential sources of this silicon include dissolution of frustules.

Whole-lake lead burdens in sediments of lakes in southern Ontario, Canada P. Dillon, R. Evans Hydrobiologia (1), Water depth and sediment thicknesses were measured along 85 transects.

Sediment cores were collected at 76 sites in the impoundment. Sediment-depth profiles and particle-size analysis of core samples formed the principal basis for an interpretation of the depositional history and lithology in the Otsego City impoundment.

Sediment cores were collected from five lakes throughout the state of Michigan, for the purpose of evaluating the spatial and temporal variations in water quality of lakes in Michigan. Sediment cores were collected from one site in each lake, dated with Pb and Cs and analyzed for a suite of metals and organic compounds.

Fig. 2: Schematic representation of the chemical evrironments (a) and bacterial habitats (b) in the upper marine sediment column [after P. Hesse, Evidence for bac- terial paleoecological origin of mineral magnetic cycles in oxic and sub-oxic Tasman Sea sediments, Marine Geology, ].A similar schema apply to lake se.

portions of the lake has greater unit weight than sediment in the southern end of the lake. In general, coarser sediments are expected to be deposited in the upstream portion of a lake where the entrainment velocity of the stream is reduced to the much slower velocities of a lake .Rates of sediment accumulation in Lake Michigan are a key component of its geologic history and provide important data related to societal concerns such as shoreline erosion and the fate of anthropogenic pollutants.

Previous attempts to reconstruct Holocene rates of sediment accumulation in Lake Michigan, as well as in the other Laurentian Great Lakes, have been .River - River - Streamflow and sediment yield: Rapid variations of water-surface level in river channels through time, in combination with the occurrence from time to time of overbank flow in flat-bottomed valleys, have promoted intensive study of the discharge relationships and the probability characteristics of peak flow.

Stage (depth or height of flow) measurements treat .