A stream order network model for predicting basin-wide distribution of stream temperatures

Hitoshi Miyamoto, Kohji Michioku, Hiroshi Maeba, Kazuya Nakayama

研究成果: Conference contribution

抜粋

A basin-wide distribution model was developed for stream temperature prediction along a river network. In order to express the channel segment connection from sources to the river mouth, the model used Horton's geomorphologic laws for channel networks and river basins with stream ordering systems. Within the each stream link, a theoretical solution derived from a thermal energy equation was used to predict longitudinal variation of stream temperatures. The model furthermore took into account solar radiation reduction due both to riparian vegetation and basin topography, as well as thermal advection from lateral land-uses. Comparison of the model prediction with basin observation in the Ibo River of Japan showed very good agreement for the thermal structure along the river network for almost all seasons, excluding an autumnal month in which the thermal budget on the water surface was just changed from positive to negative at the moment.

元の言語English
ホスト出版物のタイトル34th IAHR Congress 2011 - Balance and Uncertainty
ホスト出版物のサブタイトルWater in a Changing World, Incorporating the 33rd Hydrology and Water Resources Symposium and the 10th Conference on Hydraulics in Water Engineering
出版者International Association for Hydro-Environment Engineering and Research (IAHR)
ページ3247-3254
ページ数8
ISBN(電子版)9780858258686
出版物ステータスPublished - 2011 1 1
外部発表Yes
イベント34th IAHR Congress 2011 - Balance and Uncertainty: Water in a Changing World, Incorporating the 33rd Hydrology and Water Resources Symposium and the 10th Conference on Hydraulics in Water Engineering - Brisbane, Australia
継続期間: 2011 6 262011 7 1

出版物シリーズ

名前34th IAHR Congress 2011 - Balance and Uncertainty: Water in a Changing World, Incorporating the 33rd Hydrology and Water Resources Symposium and the 10th Conference on Hydraulics in Water Engineering

Conference

Conference34th IAHR Congress 2011 - Balance and Uncertainty: Water in a Changing World, Incorporating the 33rd Hydrology and Water Resources Symposium and the 10th Conference on Hydraulics in Water Engineering
Australia
Brisbane
期間11/6/2611/7/1

ASJC Scopus subject areas

  • Engineering (miscellaneous)
  • Water Science and Technology
  • Environmental Science (miscellaneous)

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  • これを引用

    Miyamoto, H., Michioku, K., Maeba, H., & Nakayama, K. (2011). A stream order network model for predicting basin-wide distribution of stream temperatures. : 34th IAHR Congress 2011 - Balance and Uncertainty: Water in a Changing World, Incorporating the 33rd Hydrology and Water Resources Symposium and the 10th Conference on Hydraulics in Water Engineering (pp. 3247-3254). (34th IAHR Congress 2011 - Balance and Uncertainty: Water in a Changing World, Incorporating the 33rd Hydrology and Water Resources Symposium and the 10th Conference on Hydraulics in Water Engineering). International Association for Hydro-Environment Engineering and Research (IAHR).