نتایج جستجو برای: meander and deeping rivers beds

تعداد نتایج: 16832169  

2002
PAUL M. MYROW WOODWARD FISCHER JOHN W. GOODGE

Sandstone tempestite beds in the Starshot Formation, central Transantarctic Mountains, were deposited in a range of shoreline to shelf environments. Detailed sedimentological analysis indicates that these beds were largely deposited by wave-modified turbidity currents. These currents are types of combined flows in which storm-generated waves overprint flows driven by excess-weight forces. The i...

Journal: :Geology 2021

Abstract River channels are among the most common landscape features on Earth. An essential characteristic of is sinuosity: their tendency to take a circuitous path, which quantified as along-stream length divided by straight-line length. sinuosity interpreted that either forms randomly at channel inception or develops over time meander bends migrate. Studies tend assume latter and thus have us...

Journal: :IOP Conference Series: Earth and Environmental Science 2021

2009
Christine E. Heitsch Prasad Tetali

We consider a Markov chain Monte Carlo approach to the uniform sampling of meanders. Combinatorially, a meander M = [A : B] is formed by two noncrossing perfect matchings, above A and below B the same endpoints, which form a single closed loop. We prove that meanders are connected under appropriate pairs of balanced local moves, one operating on A and the other on B. We also prove that the subs...

2017

Meander line antenna (MLA) is an electrically small antenna which poses several performance related issues such as narrow bandwidth, high VSWR, low gain and high cross polarization levels. This paper describe the design ,simulation and development of meander line microstrip antenna at wireless band, the antenna was modeled using microstrip lines and S parameter for the antenna was obtained. The...

Journal: :Earth and Planetary Science Letters 2021

The climate on early Mars is one of the major unsolved problems. It unclear whether was warm and wet or cold icy. Morphological features such as sinuous ridges could provide critical constraints to address this issue. Here we investigate several east Tempe Terra, find they may have recorded persistent fluvial activity Mars. Our analysis indicates that these represent exhumation channel belts ov...

2017

Meander line antenna (MLA) is an electrically small antenna which poses several performance related issues such as narrow bandwidth, high VSWR, low gain and high cross polarization levels. This paper describe the design ,simulation and development of meander line microstrip antenna at wireless band, the antenna was modeled using microstrip lines and S parameter for the antenna was obtained. The...

2017

Meander line antenna (MLA) is an electrically small antenna which poses several performance related issues such as narrow bandwidth, high VSWR, low gain and high cross polarization levels. This paper describe the design ,simulation and development of meander line microstrip antenna at wireless band, the antenna was modeled using microstrip lines and S parameter for the antenna was obtained. The...

2017

Meander line antenna (MLA) is an electrically small antenna which poses several performance related issues such as narrow bandwidth, high VSWR, low gain and high cross polarization levels. This paper describe the design ,simulation and development of meander line microstrip antenna at wireless band, the antenna was modeled using microstrip lines and S parameter for the antenna was obtained. The...

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