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Journal of Ocean University of China : Volume 8, Issue 2, June 2009

Journal of Ocean University of China : Volume 8, Issue 1, March 2009

Journal of Ocean University of China : Volume 7

Journal of Ocean University of China : Volume 6

Journal of Ocean University of China : Volume 5

Journal of Ocean University of China : Volume 4

Journal of Ocean University of China : Volume 3

Journal of Ocean University of China : Volume 2

Journal of Ocean University of China : Volume 1

Comparisons of several evaporation/precipitation datasets for the Bohai Sea based on salinity simulation

Content Provider	Springer Nature Link
Author	Mao, Xinyan Jiang, Wensheng
Copyright Year	2009
Abstract	Evaporation (E) rate and precipitation (P) rate are two significant meteorological elements required in the ocean baroclinic modeling as external forcings. However, there are some uncertainties in the currently used E/P rates datasets, especially in terms of the data quality. In this study, we collected E/P rates data from ERA-40, NCEP/NCAR Reanalysis, HOAPS for the Bohai Sea and nine routine stations around Laizhou Bay, and made comparisons among them. It was found that the differences in E/P rates between land and sea are remarkable, which was due to the difference in underlying surfaces. Therefore, the traditional way of using E/P rates acquired on land directly at sea is not correct. Since no final conclusion has been reached concerning the net water transport between the Bohai Sea and the Yellow Sea, it is unfeasible to judge the adequacy of the four kinds of data by using the water budget equation. However, the E/P rates at ERA-40 sea points were considered to be the optimal in terms of temporal/spatial coverage and resolution for the hindcast of salinity variation in the Bohai Sea. Besides, using the 3-D hydrodynamic model HAMSOM (HAMburg Shelf Ocean Model), we performed numerical experiments with different E/P datasets and found that the E/P rates at sea points from ERA-40 dataset are better than those from NCEP/NCAR Reanalysis dataset. If NCEP/NCAR Reanalysis E/P rates are to be used, they need to be adjusted and tested prior to simulation so that more close-to-reality salinity values can be reproduced.
Starting Page	209
Ending Page	214
Page Count	6
File Format	PDF
ISSN	16725182
Journal	Journal of Ocean University of China
Volume Number	8
Issue Number	3
e-ISSN	19935021
Language	English
Publisher	SP Science Press
Publisher Date	2009-07-25
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	freshwater flux through the underlying surface evaporation/precipitation rate salinity simulation the Bohai Sea Oceanography
Content Type	Text
Resource Type	Article
Subject	Oceanography Ocean Engineering

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