Bed Forms and Sediment Characteristics along the Thalweg on the Tanana River near Nenana, Alaska, USA
نویسندگان
چکیده
منابع مشابه
Modelling and field measurements in support of the hydrokinetic resource assessment for the Tanana river at Nenana, Alaska
A comprehensive methodology to assess the hydrokinetic potential of a reach of the Tanana river near Nenana, Alaska, is developed to help determine the suitability of the reach for installing and operating hydrokinetic electric turbines. The methodology utilizes field measurements and two-dimensional model simulations to define the discharge, velocity, power density, turbulence, and Froude numb...
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Along the Tanana River floodplain, several turning points have been suggested to characterize the changes in ecosystem structure and function that accompany plant community changes through primary succession. In the past, much of this research focused on a presumed chronosequence that uses space for time substitutions. Within this chronosequence, permanent vegetation plots repeatedly measured o...
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The Copper River Delta, Alaska is the largest contiguous coastal wetland system along the West Coast of North America. Vast expanses of tidal mud flats formed by sediments carried by the suspended load of the Copper River serve as a connection between the Gulf of Alaska and the extensive network of wetlands, rivers and sloughs of the delta system. In addition to providing habitat for resident f...
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The landscape pattern of vegetation communities is of fundamental importance to ecologists and biogeographers because it establishes the biotic template upon which largescale ecological processes occur. Landscape vegetation patterns within boreal forests are thought to be driven strongly by abiotic disturbance processes (i.e. fire in uplands, floods in floodplains) coupled with the extremely co...
متن کاملInvestigation the Concentration of Heavy Metals in the Sediment of Zayandehrood River Bed
Objective: Zayandehrood habitat has economical and environmental importance in central plateau of Iran and it performs a vital role for habitants, agriculture section and the industries which are located along river bed. So current research has been done to measure the contamination of heavy metals, its changes along the river route and defining the important and effective regions on this c...
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ژورنال
عنوان ژورنال: Natural Resources
سال: 2013
ISSN: 2158-706X,2158-7086
DOI: 10.4236/nr.2013.41003