A new atlas of temperature and salinity for the North Indian Ocean

A new atlas of temperature and salinity for the North Indian Ocean
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DOI:
10.1007/s12040-012-0191-9
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发表时间:
2012-06-01
影响因子:
1.9
通讯作者:
Sanjeevan, V. N.
Sanjeevan, V. N.
中科院分区:
地球科学4区
文献类型:
--
作者:
Chatterjee, A.;Shankar, D.;Sanjeevan, V. N.

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世界海洋,包括印度洋,使用最多的温度和盐度气候学是世界海洋地图集(Antonov等人,2006年,2010年;洛阿尔尼尼等人,2006年,2010年),因为其编制过程中使用了大量数据。然而,WOA气候学没有包括印度专属经济区(EEZ)的所有可用水文数据,如果包括该地区的数据以准备新的气候学,就有改进的潜力。我们使用了编制《世界海洋协定》时使用的所有数据(Antonov等人,2010年;Locarniti等人,2010年),但增加了大量来自印度的数据,以编制新的印度洋温度和盐度的年度、季节和月度气候。数据的增加大大改善了印度洋专属经济区的气候学,新的北印度洋地图集(NIOA)和WOA之间的差异在孟加拉湾最为显著,在NIOA中消除了WOA中看到的斑驳的数据,这是数据稀少的产物。新气候学的意义在于,它为印度专属经济区的温度和盐度场提供了更稳定的气候学价值。
The most used temperature and salinity climatology for the world ocean, including the Indian Ocean, is the World Ocean Atlas (WOA) (Antonov et al 2006, 2010; Locarnini et al 2006, 2010) because of the vast amount of data used in its preparation. The WOA climatology does not, however, include all the available hydrographic data from the Indian Exclusive Economic Zone (EEZ), leading to the potential for improvement if the data from this region are included to prepare a new climatology. We use all the data that went into the preparation of the WOA (Antonov et al 2010; Locarnini et al 2010), but add considerable data from Indian sources, to prepare new annual, seasonal, and monthly climatologies of temperature and salinity for the Indian Ocean. The addition of data improves the climatology considerably in the Indian EEZ, the differences between the new North Indian Ocean Atlas (NIOA) and WOA being most significant in the Bay of Bengal, where the patchiness seen in WOA, an artifact of the sparsity of data, was eliminated in NIOA. The significance of the new climatology is that it presents a more stable climatological value for the temperature and salinity fields in the Indian EEZ.