Please use this identifier to cite or link to this item: https://hdl.handle.net/11681/6523
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dc.contributor.authorDowner, Charles Wayneen_US
dc.creatorWetlands Research Program (U.S.)en_US
dc.creatorU.S. Army Engineer Waterways Experiment Stationen_US
dc.date.accessioned2016-03-23T20:10:40Zen_US
dc.date.available2016-03-23T20:10:40Zen_US
dc.date.issued1995-08en_US
dc.identifier.govdocTechnical Report WRP-SM-5en_US
dc.identifier.urihttp://hdl.handle.net/11681/6523en_US
dc.descriptionTechnical Reporten_US
dc.description.abstractSix wetland areas were constructed in the fluctuation zone of Black Butte Reservoir near Orland, CA, in November of 1991. The wetlands were to function as wildlife habitat and sediment traps. The wetlands ranged in size from less than 1 acre to approximately 3 acres for a total area of about 8 acres. The wetlands were constructed using simple low-cost techniques at an estimated cost of $40,000 for materials and labor. Careful selection of sites aided in controlling construction costs. After construction, the wetland water levels and sediment accumulation were monitored. During the first 2 years of monitoring, the wetlands were inundated for much of the time, much longer than under normal conditions. During the last year of monitoring, the wetlands were inundated for a much shorter period, closer to normal conditions. Sediment accretion in all the wetlands was high, ranging form 5.6 to 89.2 m.m/year (2.0 to 42.5 kg/m²). Sediment accretion varied between wetlands, years, and measurement techniques. Sediment accretion in the wetlands also varied with elevation, with higher sediment accretion occurring at sites with lower elevations.en_US
dc.description.sponsorshipPrepared for U.S. Army Corps of Engineers, Washington, DC 20314-1000en_US
dc.description.tableofcontentsPreface..................................................................................... viii Conversion Factors, Non-SI to SI Units of Measurement......... x 1- Introduction........................................................................... 1 Purpose................................................................................ 2 Site Description.................................................................... 2 Reservoir Operation............................................................. 3 Climate................................................................................. 4 2-Construction Process............................................................ 6 Setting Objectives and Defining Functions.......................... 6 Site Selection....................................................................... 7 Simple, low-cost construction......................................... 7 Suspended sediments.................................................... 7 Water balance................................................................ 7 Hydraulic design............................................................ 10 Compatibility with other lake functions.......................... 10 Final site selection......................................................... 10 Construction Techniques..................................................... 13 Construction Cost................................................................ 13 3-Sampling Materials and Methods........................................ 17 Water.................................................................................. 17 Wetland water level measurement................................ 17 Lake water surface elevations....................................... 23 Wetland flows................................................................ 23 Sediments........................................................................... 23 Suspended sediments.................................................. 23 Sediment accumulation................................................. 24 Climate data....................................................................... 25 Vegetation.......................................................................... 25 4-Results and Discussion...................................................... 26 Water Balance.................................................................. 26 Rainfall and evaporation............................................. 26 Reservoir flows, levels, and wetland inundation......... 26 Reservoir flows...................................................... 26 Reservoir levels and wetland inundation............... 26 Wetland water levels and flows.................................. 29 Wetland 1.............................................................. 30 Wetland 2.............................................................. 30 Wetlands 3-6......................................................... 32 Sediments................................................................... 35 Suspended sediments........................................... 35 Sediment accumulation......................................... 36 1992 Sampling................................................. 36 1993 Sampling................................................. 39 Analysis and discussion................................... 40 Differences between measurement techniques. 45 Vegetation................................................................... 46 5-Conclusions....................................................................... 47 References............................................................................ 49 SF 298en_US
dc.format.extent60 pagesen_US
dc.format.mediumPDFen_US
dc.language.isoen_USen_US
dc.publisherU.S. Army Engineer Waterways Experiment Stationen_US
dc.relationhttp://acwc.sdp.sirsi.net/client/en_US/search/asset/1040721en_US
dc.relation.ispartofseriesTechnical Report (Wetlands Research Program (U.S.)) ; no. Technical Report WRP-SM-5en_US
dc.rightsApproved for public release; distribution is unlimited.en_US
dc.sourceThis Digital Resource was created from scans of the Print Resourceen_US
dc.subjectConstructed wetlandsen_US
dc.subjectReservoir water qualityen_US
dc.subjectSedimentationen_US
dc.subjectSediment transporten_US
dc.subjectDepositionen_US
dc.subjectBlack Butte Reservoiren_US
dc.subjectCaliforniaen_US
dc.subjectWater quality managementen_US
dc.subjectEnvironmental managementen_US
dc.titleConstruction and monitoring of water and sediments in wetlands created in the Black Butte Reservoir fluctuation zone, Orland, Californiaen_US
dc.typeReporten_US
Appears in Collections:Technical Report

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