Lower Siletz Watershed by xiaoyounan


									                                                                                 Lower Siletz Watershed– Lincoln County, Oregon
                                                                                                                  Prepared by:
                                                                                                          Mark Barnes & Brandon Button
                                                                                                                     ES 341

                             Watershed Location                                                                                                                        The Lower Siletz Watershed has very low elevations because it is closer to
                                                                                                                                                                       the coast and has a large amount of vegetation cover due to the amount of
The Lower Siletz Watershed is located in the Northern end of Lincoln                                                                                                   precipitation.
County, the Lower Siletz River itself flows south and then to the east.
It is south of Lincoln city and north of Newport.

                                                                                                                  Hydrologic Summary
                                                                                                                                                                                                     Figure 9: DOQ (Digital Orthophoto Quad’s)
                                                                                     Figure 5: This shows all of the streams and all the Sub-Basins in the Lower
                                                                                     Siletz Watershed. Figures 6 & 7: These show the Precipitation numbers for
                                                                                     the Lower Siletz Watershed. The amounts are very large because the
                                                                                     watershed is in the coast range which receives large amounts precipitation.

 Figure 1: Counties that
 surround the Lower Siletz

                             Figure 2: Lower Siletz Watershed in Oregon.

                                                                                                                                                                        Figure 10: DEM (Digital Elevation Model)

                                                                                         Figure 5: Lower Siletz Streams
                               General Geology
                                                                                         and Sub-basin.
The Geology of the Lower Siletz is comprised of many different bed rocks
There are so many different types of soils we were not able to identify all of
them.                                                                                                                           Figure 6: Lower Siletz Precipitation
                                                                                                                                And Streams.
                                                                                                                                                                          The Lower Siletz Watershed is a very unique and beautiful area. It is
                                                                                                                                                                          comprised of many different. It is full of many different plant life and
                                                                                                                                                                          made up of many soils and bedrocks.
                                           Figure 3: Lower Siletz Watershed
                                           Geology. (Bed Rock)

                                                                                                    Figure 7: Annual Precipitation.

                                                                                      Figure 8: The Vegetation is common with the coast range, comprising of                                            References Cited
                                                                                      Firs, Maples, Alders, and lots of forest floor covers.                           Dept. of Agricutlure. "Natural Resources Data Department."

                                                                                                                 Figure 8: Lower Siletz Vegetation.                    Dept. of Agricutlure. "Natural Resources Data Department."
                                                                                                                                                                       University of Oregon: Geographic information Systems
 Figure 4: Lower Siletz                                                                                                                                                http://libweb.uoregon.edu/map/map_section/quad_list.htm
 Watershed Soils.

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