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The surface heat balance, which is composed of net radiation, sensible and latent heat fluxes, is a non-linear function of water temperature. So a differential equation concerning river water temperature is non-linear. The surface heat balance has been treated as a regression quadratic equation of water temperature in some papers.\nIn this paper the following three trajectories of solution for one-dimensional non-linear heat balance equation are shown using Bernoulli\u0027s equation with a threshold value, convergence to an equilibrium temperature, constant value and divergence. The difference between non-linear and linear analyses of the river water temperature is investigated under some combinations of hydrological and meteorological elements.", "subitem_description_type": "Abstract"}]}, "item_3_full_name_183": {"attribute_name": "\u8457\u8005\u5225\u540d", "attribute_value_mlt": [{"nameIdentifiers": [{"nameIdentifier": "42312", "nameIdentifierScheme": "WEKO"}], "names": [{"name": "SADO, Kimiteru", "nameLang": "en"}]}, {"nameIdentifiers": [{"nameIdentifier": "42313", "nameIdentifierScheme": "WEKO"}], "names": [{"name": "SUGIYAMA, Ichiro", "nameLang": "en"}]}, {"nameIdentifiers": [{"nameIdentifier": "42314", "nameIdentifierScheme": "WEKO"}], "names": [{"name": "NAKAO, Takashi", "nameLang": "en"}]}]}, "item_3_publisher_212": {"attribute_name": "\u51fa\u7248\u8005", "attribute_value_mlt": [{"subitem_publisher": "\u516c\u76ca\u793e\u56e3\u6cd5\u4eba \u571f\u6728\u5b66\u4f1a"}]}, "item_3_relation_191": {"attribute_name": "DOI", "attribute_value_mlt": 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