نتایج جستجو برای: placer
تعداد نتایج: 652 فیلتر نتایج به سال:
Journal:
:Crítica (México D. F. En línea)
2012
Journal:
:IOP Conference Series: Earth and Environmental Science
2019
Journal:
:Advances in Electrical and Computer Engineering
2013
Journal:
:Estudios: filosofía, historia, letras
2011
Journal:
:Геохимия
2019
Journal:
:Journal of the National Science Foundation of Sri Lanka
1983
Journal:
:Equidad y Desarrollo
2019
Journal:
:Alpha (Osorno)
2007
Journal:
:Remote Sensing
2010
Subhajit Ghoshal
L. Allan James
Michael B. Singer
Rolf Aalto
Hydraulic gold mining in the Sierra Nevada, California (1853–1884) displaced ~1.1 billion m of sediment from upland placer gravels that were deposited along piedmont rivers below dams where floods can remobilize them. This study uses topographic and planimetric data from detailed 1906 topographic maps, 1999 photogrammetric data, and preand post-flood aerial photographs to document historic sedi...
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