Search Results - "Hey, D. R"

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    The Effect of Instream Rehabilitation Structures on Macroinvertebrates in Lowland Rivers by Harrison, S. S. C., Pretty, J. L., Shepherd, D., Hildrew, A. G., Smith, C., Hey, R. D.

    Published in The Journal of applied ecology (01-12-2004)
    “…1. Many lowland rivers in Western Europe have been substantially modified to aid land drainage and support the intensification of agriculture. Although there…”
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    River Rehabilitation and Fish Populations: Assessing the Benefit of Instream Structures by Pretty, J. L., Harrison, S. S. C., Shepherd, D. J., Smith, C., Hildrew, A. G., Hey, R. D.

    Published in The Journal of applied ecology (01-04-2003)
    “…1. River rehabilitation schemes are now widespread in the UK and elsewhere, but there have been few systematic assessments of their ecological effect,…”
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    Use of Vanes for Control of Scour at Vertical Wall Abutments by Johnson, P. A, Hey, R. D, Tessier, M, Rosgen, D. L

    “…Rock vanes are single-arm structures angled to the flow with a pitch into the streambed such that the tip of the vane is submerged even during low flow. Vanes…”
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    Behavior of Meandering Overbank Channels with Graded Sand Beds by Wormleaton, P. R, Hey, R. D, Sellin, R. H, Bryant, T, Loveless, J, Catmur, S. E

    “…Measurements of velocity distributions, depth variation, and sediment transport have been made under bankfull and overbank flow conditions in meandering…”
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    Flow structures in a two-stage channel with a mobile bed by Wormleaton, P. R., Sellin, R.H.J., Bryant, T., Loveless, J.H., Hey, R.D., Catmur, S.E.

    Published in Journal of hydraulic research (01-01-2004)
    “…A large scale model hydraulic study of inbank and overbank river flow, using a regular sinuous river channel with a mobile bed, was carried out in the UK Flood…”
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    PIK3CA mutations can initiate pancreatic tumorigenesis and are targetable with PI3K inhibitors by Payne, S N, Maher, M E, Tran, N H, Van De Hey, D R, Foley, T M, Yueh, A E, Leystra, A A, Pasch, C A, Jeffrey, J J, Clipson, L, Matkowskyj, K A, Deming, D A

    Published in Oncogenesis (New York, NY) (05-10-2015)
    “…Aberrations in the phosphoinositide 3-kinase (PI3K) signaling pathway have a key role in the pathogenesis of numerous cancers by altering cell growth,…”
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    Closure of "Use of Vanes for Control of Scour at Vertical Wall Abutments" by P. A. Johnson, R. D. Hey, M. Tessier, and D. L. Rosgen by Johnson, P. A, Hey, R. D, Tessier, M, Rosgen, D. L

    “…We appreciate the questions brought to us by the discusser, as we suspect many others may have similar questions. The following points are made in response to…”
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    Rapid Assessment of Channel Stability in Vicinity of Road Crossing by Johnson, Peggy A, Gleason, Gary L, Hey, Richard D

    “…The ability to assess channel stability of gravel bed rivers in the vicinity of structures such as bridges, culverts, and roadways is necessary for bridge…”
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    Fluvial geomorphological methodology for natural stable channel design by Hey, R.D

    “…A fluvial geomorphological methodology for designing natural stable channels is being widely applied for river restoration. It is an analogue procedure, as the…”
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    Direct measurements of secondary currents at a river inflexion point by THORNE, C R, HEY, R. D

    Published in Nature (London) (01-01-1979)
    “…A study of secondary flow patterns and direct measurements at a river inflexion point show that the system of flow cell development observed in flume studies…”
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    Geometry of river meanders by HEY, R. D

    Published in Nature (London) (05-08-1976)
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    STREAM RESTORATION IN THE VICINITY OF BRIDGES by Johnson, Peggy A., Hey, Richard D., Brown, Eric R., Rosgen, David L.

    “…The number of stream restoration and enhancement projects being implemented is rapidly increasing. At road crossings, a transition must be created from the…”
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    Stable Channels with Mobile Gravel Beds by Hey, Richard D, Thorne, Colin R

    “…Regime type equations for mobile gravel-bed rivers are presented based on data obtained from 62 stable gravel-bed river reaches in the United Kingdom. Multiple…”
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    Valuation of the Environmental Impact of Wetland Flood Protection and Drainage Schemes by Turner, R K, Dent, D, Hey, R D

    Published in Environment and planning. A (01-07-1983)
    “…Large areas of the remaining wetlands in the United Kingdom are faced with virtual extinction because of the pressures engendered by high productivity farming…”
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    On nonlinear simple waves in alluvial river flows: a theory for sediment bores by Needham, D. J., Hey, R. D.

    “…An increase in the upstream sediment discharge rate in an otherwise uniform alluvial flow often leads to the formation of a stable, propagating sediment bore…”
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