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- Title
A numerical model of the river freezing process and its application to the Lena River .
- Authors
Xieyao Ma; Yoshihiro Fukushima
- Abstract
Reports that river freezing is a common phenomenon at high latitudes. Lena River, one of the four largest rivers flowing into the Arctic Ocean, that freezes over completely from early December to late April; Process of river-ice formation that affects not only the river flow and local energy regime, but also influences hydrological and thermal conditions in the Arctic Ocean; Hydrological model used for a cold-region basin that was further developed to model hydrological processes in the Lena River; Method of accumulated degree-days that was used in describing river-ice growth and decay; River flow routing that was used to compute the hydrograph according to the depth of runoff stored in the river and the season; Combined model system that was applied to the Lena River basin and produced modelled hydrographs at six river sections that were an improvement on those resulting from the earlier study; Expectation that the model system will be an effective tool in making hydrological simulations in cold regions in the future.
- Subjects
LENA River (Russia); ARCTIC Ocean; RIVERS; ICE
- Publication
Hydrological Processes, 2002, Vol 16, Issue 11, p2131
- ISSN
0885-6087
- Publication type
Article
- DOI
10.1002/hyp.1146