Heat balance of alcoves on the Willamette River, Oregon. Public Deposited

http://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/t148fk50c

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  • Alcoves in some river systems are cooler than the mainstem of the river and provide thermal refugia for aquatic species. An energy balance and sensitivity analysis on 3 alcoves in the Willamette River, Oregon indicate that alcove size and alcove flux determine the degree to which meteorological conditions affect the alcove water temperature. Large alcoves with a low alcove flux and large surface area are more sensitive to meteorological conditions (i.e., shade and wind). Small alcoves with a high alcove flux and small surface area are more sensitive to the temperature of emerging subsurface water than to meteorological conditions. The temperature of hyporheic water relative to the mainstem is determined by its residence time; longer flow paths disperse the diurnal signal and move hyporheic water into equilibrium with mean seasonal or annual subsurface temperatures. Floodplain restoration may increase alcove population in a river system thereby making it a potential credit trading tool for mitigating excess thermal loading in a heat stressed river.
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  • 20825657 bytes
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  • description.provenance : Rejected by Julie Kurtz(julie.kurtz@oregonstate.edu), reason: Rejecting at your request. Thanks, Julie on 2007-12-04T17:38:47Z (GMT)
  • description.provenance : Made available in DSpace on 2007-12-17T19:03:09Z (GMT). No. of bitstreams: 2 Bryenton, A_Thesis.pdf: 3291765 bytes, checksum: 6d60c30c2dd83cae9aeddab6e21e9c25 (MD5) Appendix_E.zip: 20825657 bytes, checksum: 064a581b3fb35d4d10a0cc1359fca4fe (MD5)
  • description.provenance : Approved for entry into archive by Linda Kathman(linda.kathman@oregonstate.edu) on 2007-12-17T19:03:09Z (GMT) No. of bitstreams: 2 Bryenton, A_Thesis.pdf: 3291765 bytes, checksum: 6d60c30c2dd83cae9aeddab6e21e9c25 (MD5) Appendix_E.zip: 20825657 bytes, checksum: 064a581b3fb35d4d10a0cc1359fca4fe (MD5)
  • description.provenance : Approved for entry into archive by Julie Kurtz(julie.kurtz@oregonstate.edu) on 2007-12-11T18:00:23Z (GMT) No. of bitstreams: 2 Bryenton, A_Thesis.pdf: 3291765 bytes, checksum: 6d60c30c2dd83cae9aeddab6e21e9c25 (MD5) Appendix_E.zip: 20825657 bytes, checksum: 064a581b3fb35d4d10a0cc1359fca4fe (MD5)
  • description.provenance : Submitted by Andrew Bryenton (bryentoa@onid.orst.edu) on 2007-12-03T22:59:52Z No. of bitstreams: 1 Bryenton, A_Thesis.pdf: 3291765 bytes, checksum: 6d60c30c2dd83cae9aeddab6e21e9c25 (MD5)
  • description.provenance : Submitted by Andrew Bryenton (bryentoa@onid.orst.edu) on 2007-12-07T17:38:02Z No. of bitstreams: 2 Bryenton, A_Thesis.pdf: 3291765 bytes, checksum: 6d60c30c2dd83cae9aeddab6e21e9c25 (MD5) Appendix_E.zip: 20825657 bytes, checksum: 064a581b3fb35d4d10a0cc1359fca4fe (MD5)

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