ESS 230 Cedar River Field Trip 3 Meet at Johnson Hall at 9 00 am Saturday We ll drive South on I 5 to Highway 450 where we ll head East to State Highway 169 toward Maple Valley We will follow the Cedar River upstream for about 12 miles before meeting our raft guides and putting into the river for an approximately 5 mile trip downstream from the Highway 169 bridge to the Cedar Grove bridge We will probably be done with the float trip at 2pm and unless something unexpected happens we will be back to Johnson Hall between 3pm and 4pm Things to bring Lunch Warm clothes Shoes Footwear for wading into the river Gloves hat Raingear Things that will be provided Life vests Oars yes you do have to row Boats Guides Cedar River The Cedar River is located just South and East of Seattle It drains into Lake Washington at the town of Renton Bring warm clothes and be prepared to get wet The float will be nontechnical and we will have a trained river guide in each boat 4 to 6 people per boat The water is generally low this time of year but this is a river trip and you may fall in bring a spare set of warm clothes or at least socks to change into if you do get wet Bring gloves hat rain gear and warm clothes If you have hip waders they will be useful for getting into and out of the river We will have to wade into the river to launch the boats So either bring appropriate footwear e g waders or wet suite boots or be prepared to get wet and possibly cold Mouth of the Cedar River Take out spot Put in spot QuickTime and a PNG decompressor are needed to see this picture Middle Reach of the Cedar River We will put in at the highway 169 bridge and float north to the Cedar Grove bridge Take out spot QuickTime and a PNG decompressor are needed to see this picture Put in spot QuickTime and a PNG decompressor are needed to see this picture QuickTime and a PNG decompressor are needed to see this picture ESS 230 Field Trip 3 Questions to address in lab write up Describe the relationship between the areas of the channel selected by spawning salmon for spawning and the types of habitat available to them in the channel as a whole i e do they select particular kinds of places or just spawn wherever Is there a difference between the size of the sediment on the river bed and within the gravel bars What are the primary sediment delivery processes to the Cedar River What is the relationship between the river and its valley Between the sediment in the river and the sediment exposed in the valley walls Does the river erode faster laterally or vertically How big a tree does it take to make a key member on the Cedar What s happened to the Cedar River in the past 15 000 years
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