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  • Muskeg - an overview | ScienceDirect Topics
    The whooping crane (Grus americana) is the tallest and one of the rarest birds in North America This species breeds in boreal muskeg habitat in Wood Buffalo National Park in northern Canada, migrates through the Great Plains, and winters in coastal salt-marsh habitat of the Gulf of Mexico near Aransas, Texas
  • Muskeg - an overview | ScienceDirect Topics
    Tundra vegetation grades into somewhat more substantial taiga and boreal forestplant communities in the lower Koyukuk The Koyukuk Flats are a low-gradient, poorly drained muskeg environment with seasonally abundant populations of sedges and other herbaceous species In the higher-gradient floodplains of the Koyukuk River, mountain alder and
  • Some further studies on the mechanical properties of muskeg in relation . . .
    MECHANICAL PROPERTIES OF MUSKEG 123 proposed previously, the shear stress-displacement relationship for the internal shearing of the muskeg mat may be described by the following equation r = rm ~ (ej Kw) exp(-j Kw) (6) where r andj are shear stress and shear displacement, respectively, rm,~ is the maximum shear stress, e is 2 7183 and K~ is a
  • Geotechnical and geophysical characteristics of muskeg samples from . . .
    Muskeg has a high initial void ratio, with high compressibility The compression index C c varies from 3 05 to 3 70, and the swelling index C s ranges 0 24 to 0 45 with fiber orientation Furthermore, muskeg has high initial permeability The permeability of muskeg is 10 to 1000 times the permeability of fine-grained soils
  • Geotechnical and geophysical characteristics of muskeg samples from . . .
    Muskeg (organic terrain) implies extensive beds of peat saturated with water or heavily charged with ice, in western Canada or Alaska Typically, muskeg consists of a living organic mat of mosses, sedges or grasses, and dead plants in states of decomposition (Radforth, 1969, Massah and Noorolahi, 2010, Kroetsch et al , 2011)
  • Characterization of the mechanical properties of muskeg with special . . .
    Journal of Terramechanics, 1979, Vol 16, No 4, pp 163 to 180 0022-4898 79 0201-0163 $02 00 0 Pergamon Press Ltd Printed in Great Britain International Society for Terrain Vehicle Systems CHARACTERIZATION OF THE MECHANICAL PROPERTIES OF MUSKEG WITH SPECIAL REFERENCE TO VEHICLE MOBILITY J Y WONG,* M GARBER,t J R RADFORTH+ and J T DOWELLC Sry-Results of measurement of the load-sinkage
  • Characterization of the mechanical properties of muskeg with special . . .
    Results of measurement of the load-sinkage and shearing characteristics of a muskeg in the Ottawa area, Ontario are presented Mathematical models for the bearing capacity and shearing characteristics of muskeg are proposed Methods for predicting the punching load, critical sinkage and shear strength of muskeg are suggested
  • Comparative evaluation of the effects of climate and land-cover changes . . .
    The Muskeg River basin is located in the Athabasca Oil-Sands region of northern Alberta, where it receives 460 mm of mean annual precipitation (Environment Canada, 2005) Draining an area of 1460 km 2 , it is dominated by peatland having poorly-drained hydrologic characteristics
  • Stabilization of muskeg soils using two additives: sand and urease . . .
    The effect of changing the sand percentage on the compressibility properties of muskeg soil was studied The results showed that the addition of 10% sand and injection of two-pore volumes of cementation solutions significantly improved the compressibility properties such that the initial void ratio decreased by 70%
  • A numerical modeling framework for simulating the key in-stream fate . . .
    In addition, the Muskeg River is relatively shallow and wide, usually <1 5 m deep, so the contributions of photolysis and volatilization are relatively substantial In deeper rivers, direct photolysis and volatilization will be less critical for modeling in-stream PAH fate processes





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