A dataset of continental river discharge based on JRA-55 for use in a global ocean circulation model

A dataset of historical river discharge into oceans was created using the CaMa-Flood global river routing model and adjusted runoff from the land component of JRA-55. The major rivers were well resolved with a 0.25° horizontal resolution. The total runoff on each drainage basin exhibits a distinctiv...

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Bibliographic Details
Published in:Journal of oceanography 2018-08, Vol.74 (4), p.421-429
Main Authors: Suzuki, Tatsuo, Yamazaki, Dai, Tsujino, Hiroyuki, Komuro, Yoshiki, Nakano, Hideyuki, Urakawa, Shogo
Format: Article
Language:English
Subjects:
Climatology
Datasets
Drainage basins
Earth and Environmental Science
Earth Sciences
Freshwater & Marine Ecology
Hydrologic data
Long-term changes
Ocean circulation
Ocean currents
Ocean models
Oceanography
Oceans
River discharge
River flow
Rivers
Runoff
Seasonal variation
Seasonal variations
Short Contribution
Water circulation
Water discharge
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Summary:A dataset of historical river discharge into oceans was created using the CaMa-Flood global river routing model and adjusted runoff from the land component of JRA-55. The major rivers were well resolved with a 0.25° horizontal resolution. The total runoff on each drainage basin exhibits a distinctive bias on decadal time scales. The input runoff data were modified using 5-year low-pass-filtered multiplicative factors to fit the annual mean climatology and decadal variations in the reference dataset. The model incorporated data from 1958 to 2016. The yearly and seasonal variations of the major rivers are well represented by the model.
ISSN:0916-8370
1573-868X
DOI:10.1007/s10872-017-0458-5