نتایج جستجو برای: quantitative geomorphology

تعداد نتایج: 317956  

2009
Maged Marghany

This paper introduces a new method for three-dimensional (3D) coastal geomorphology reconstruction using differential synthetic aperture interferometry (DInSAR). The new method is based on an integration between fuzzy B-spline algorithm and DInSAR method. DInSAR algorithm is involved two parts: (i) 3D map simulation which is based on interferogram simulation and (ii) satellite orbit parameters....

Journal: :پژوهش های جغرافیای طبیعی 0
سید رضا حسین زاده استادیار ژئومورفولوژی دانشگاه فردوسی مشهد

abstract the purpose of this paper is to inform students and researchers of geomorphology from the situation of this science at present and in future, in iran, after the islamic revolution. to fulfill this purpose and to prouide full information about the situation of geomorphology in iran, various areas of this science are presented chronologically at the begining of the article. the findings ...

Journal: :The Geographical Journal 1909

2004
G. ROSS COCHRANE

Several analytical techniques used on both conventional colour photographs from SKYLAB and the LANDSAT MSS data in both photographic and magnetic digital tape fonnats provide useful sources of information about regional and seasonal patterns of stream sediment discharges along New Zealand coasts. The large area synoptic views from space are superior to aircraft photomosaics. The green visible b...

2002

The existing literature on resulting reservoir geomorphology after hydraulic reservoir flushings has been systematically examined and evaluated. The emphasis has been put on cross-sectional and longitudinal variations in geomorphology due to flushing, but also the available literature on physical models and analytical modeling and a short section on depositional processes are included as well.

1999
Martin W. Doyle Dale E. Miller Jon M. Harbor

River restoration design requires the application of fluvial geomorphic concepts, and should be expected to apply the techniques concurrent with contemporary thinking and research. Through a brief review of the history of geomorphology over the past century, striking parallels between geomorphic research and river restoration practice become apparent. Namely, restoration design has been, to dat...

2014
Pinliang Dong

This paper provides a brief review of airborne light detection and ranging (LiDAR) data for characterizing linear and planar geomorphic markers in tectonic geomorphology, including traces of active faults and surface deformation caused by earthquakes. Challenges and opportunities of LiDAR for the study of tectonic geomorphology and coseismic deformation are also discussed.

2006
Gregory E. Tucker Stephen T. Lancaster Nicole M. Gasparini Rafael L. Bras

Numerical models of complex Earth systems serve two important purposes. First, they embody quantitative hypotheses about those systems and thus help researchers develop insight and generate testable predictions. Second, in a more pragmatic context, numerical models are often called upon as quantitative decision-support tools. In geomorphology, mathematical and numerical models provide a crucial...

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