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Choshui River

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Journal Article
Journal: Geology
Published: 01 June 2008
Geology (2008) 36 (6): 483–486.
... matter transported and CO 2 consumption via silicate weathering during a typhoon event. The Choshui River watershed (drainage area of 3150 km 2 ), located in the Western Foothills fold-and-thrust belt of the Central Mountain Range in southwestern Taiwan ( Fig. 1 ), is characterized by friable...
FIGURES
Journal Article
Published: 01 October 2001
Bulletin of the Seismological Society of America (2001) 91 (5): 1062–1068.
...Yeeping Chia; Yuan-Shian Wang; Jessie J. Chiu; Chen-Wuing Liu Abstract Changes of groundwater levels induced by the M L 7.3 Chi-Chi earthquake on 21 September 1999 were recorded at 157 out of 179 monitoring wells in the Choshui River alluvial fan. Of those, 67 observed large groundwater-level...
FIGURES | View All (9)
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Shaded relief map of Taiwan showing the outline of the <span class="search-highlight">Choshui</span> <span class="search-highlight">River</span> waters...
Published: 01 June 2008
Figure 1. Shaded relief map of Taiwan showing the outline of the Choshui River watershed. Locations of the Jangyung Bridge sampling location/gauging site (1) and the Yuifong Bridge gauging site (2) are shown. Total watershed area is 3150 km 2 .
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Calculated annual suspended loads for the <span class="search-highlight">Choshui</span> <span class="search-highlight">River</span>, 1980–2001, based o...
Published: 01 September 2005
Figure 11. Calculated annual suspended loads for the Choshui River, 1980–2001, based on annual sediment-rating curves. The black portion of each bar represents the estimated amount discharged at hyperpycnal concentrations. The mean 1980–2001 load decreases by nearly 40% (42 to 26 MT/yr
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Figure 4. Suspended-sediment rating curves. A: <span class="search-highlight">Choshui</span> <span class="search-highlight">River</span>. B: Chenyoulan...
Published: 01 August 2004
Figure 4. Suspended-sediment rating curves. A: Choshui River. B: Chenyoulan River. Open circles show measurements made before Chi-Chi earthquake; filled symbols show measurements after earthquake. Dashed lines are power-law functions of C = κ pre Q b fitted to preearthquake data using log
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Location of <span class="search-highlight">Choshui</span> <span class="search-highlight">River</span> alluvial fan and distribution of 157 monitoring w...
Published: 01 October 2001
Figure 1. Location of Choshui River alluvial fan and distribution of 157 monitoring wells clustered at 64 stations where coseismic changes of groundwater level were observed at the time of Chi-Chi earthquake. Open circles indicate stations where the groundwater level fell, solid circles indicate
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Figure 2. Digital elevation map of region around <span class="search-highlight">Choshui</span> <span class="search-highlight">River</span> fan and proj...
Published: 01 September 2001
Figure 2. Digital elevation map of region around Choshui River fan and projected area of Choshui River fan showing geographic locations of hydrologic stations, coseismic water- level changes, and areas of liquefaction. Note that most stations with coseismic water-level drop are near ruptured
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Figure 3. A: Profile of coseismic water-level change across <span class="search-highlight">Choshui</span> <span class="search-highlight">River</span> f...
Published: 01 September 2001
Figure 3. A: Profile of coseismic water-level change across Choshui River fan along cross section shown in Figure 2 . B: Representative hydrologic records showing water-level change in Choshui River fan as function of time from September 18 to 24, 1999
Journal Article
Published: 01 September 2005
The Journal of Geology (2005) 113 (5): 503–516.
...Figure 11. Calculated annual suspended loads for the Choshui River, 1980–2001, based on annual sediment-rating curves. The black portion of each bar represents the estimated amount discharged at hyperpycnal concentrations. The mean 1980–2001 load decreases by nearly 40% (42 to 26 MT/yr...
FIGURES | View All (13)
Journal Article
Journal: Geology
Published: 01 September 2007
Geology (2007) 35 (9): 779–782.
...J.D. Milliman; S.W. Lin; S.J. Kao; J.P. Liu; C.S. Liu; J.K. Chiu; Y.C. Lin Abstract During Typhoon Mindulle in early July 2004, the Choshui River (central-western Taiwan) discharged ∼72 Mt of sediment to the eastern Taiwan Strait; peak concentrations were ≥200 g/L, ∼35%–40% of which was sand. Box...
FIGURES | View All (4)
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Top , hourly rainfall at Chichi meteorological station, near the headwaters...
Published: 01 September 2005
Figure 6. Top , hourly rainfall at Chichi meteorological station, near the headwaters of the Choshui River, July 31–August 2, 1996. Discharge based on hourly measurements ( second from top ), calculated suspended sediment concentrations ( second from bottom ), and calculated hourly sediment load
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Left , relation between measured discharge and suspended sediment concentra...
Published: 01 September 2005
Figure 4. Left , relation between measured discharge and suspended sediment concentrations in the Choshui River, 1990–1998. Any particular discharge can produce a two to three orders of magnitude range in suspended sediment concentrations. The low R 2 value (0.37) of the algorithm underlines
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Figure 2. A: <span class="search-highlight">Choshui</span> rating curves show higher suspended sediment concentra...
Published: 01 September 2007
Figure 2. A: Choshui rating curves show higher suspended sediment concentrations (relative to river discharge) during first peak discharge. Derived algorithms for first and second peak discharges were used to calculate continuous suspended sediment concentrations. B: Percent of suspended sand
Journal Article
Journal: Geology
Published: 01 September 2001
Geology (2001) 29 (9): 831–834.
...Figure 2. Digital elevation map of region around Choshui River fan and projected area of Choshui River fan showing geographic locations of hydrologic stations, coseismic water- level changes, and areas of liquefaction. Note that most stations with coseismic water-level drop are near ruptured...
FIGURES
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Overview of field area. A: Shaded relief image showing location of Chelungp...
Published: 01 July 2010
according to their height as of 2008: Choshui: ∼2–4 m; Wu River: 1–2.5 m; Tachia River: 4–6 m; Da-an River: 8–18 m. Red square denotes location of gauging station that documents significant aggradation following earthquake (Fig. DR2; see footnote 1 ). Stars are locations of photographs found in B–D. Map
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Percentage of annual loads represented by hyperpycnal flows in the <span class="search-highlight">Choshui</span> ...
Published: 01 September 2005
Figure 12. Percentage of annual loads represented by hyperpycnal flows in the Choshui River, 1980–2002. As with the Santa Clara River in southern California, years with low sediment loads are predominantly hypopycnal, whereas annual loads substantially greater than ∼50 MT are delivered largely
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Figure 5. A: Spatial variation of change in unit sediment concentration, Δκ...
Published: 01 August 2004
catchments. Black circles show gauging stations; open circles indicate Chi-Chi epicenter and aftershocks with M L > 6.0. Blue lines are tracks of subsequent typhoons: Bilis (average discharge at Choshui River mouth, Q avg = 4850 m 3 ·s −1 ), Xangsane ( Q avg = 1810 m 3 ·s −1 ), Toraji ( Q avg
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A: Location map of study area (square box) in Taiwan. Also shown are major ...
Published: 01 February 2012
: Hydrological monitoring wells (red triangles) on the Choshui River alluvial fan. Red star shows epicenter of the 1999 Chi-Chi earthquake; red line shows surface trace of the ruptured fault. Wells labeled with station names are those with documented postearthquake temperature changes: Those located between two
Journal Article
Journal: Geology
Published: 01 August 2004
Geology (2004) 32 (8): 733–736.
...Figure 4. Suspended-sediment rating curves. A: Choshui River. B: Chenyoulan River. Open circles show measurements made before Chi-Chi earthquake; filled symbols show measurements after earthquake. Dashed lines are power-law functions of C = κ pre Q b fitted to preearthquake data using log...
FIGURES | View All (5)
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Field photographs (their location is indicated in  Fig. 9 ). ( a ) Splay of...
Published: 12 September 2013
of the Shuilikeng fault immediately south of the Choshui River. (Note slickenfibres on a minor fault surface within this breccia zone indicating a left-lateral strike-slip sense of movement.) ( e, f ) Fault breccia developed within the Shimen Formation that defines the Shuilikeng fault in the southernmost part