Global ocean synoptic thermocline gradient, isothermal-layer depth, and other upper ocean parameters

Different from the existing global ocean climatological datasets of isothermal layer (ITL) depth (h), a global ocean synoptic dataset of h along with other parameters has been established from temperature profiles of the National Centers for Environmental Information (NCEI) world ocean database 1961...

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Autores principales: Chu, Peter C., Fan, Chenwu
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2019
Materias:
Data Descriptor
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6620299/
https://www.ncbi.nlm.nih.gov/pubmed/31292448
http://dx.doi.org/10.1038/s41597-019-0125-3
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author Chu, Peter C.
Fan, Chenwu
author_facet Chu, Peter C.
Fan, Chenwu
author_sort Chu, Peter C.
collection PubMed
description Different from the existing global ocean climatological datasets of isothermal layer (ITL) depth (h), a global ocean synoptic dataset of h along with other parameters has been established from temperature profiles of the National Centers for Environmental Information (NCEI) world ocean database 1961–2017. The exponential leap-forward gradient method was used to identify h and thermocline gradient (G) from each temperature profile measured by expendable bathythermograph (XBT) and conductivity, temperature, depth (CTD) instruments. Due to quality and vertical resolution of the profiling data, the numbers of (G, h) pairs are 446,811 out of 964,942 CTD profiles and 755,086 out of 2,303,433 XBT profiles. With the given h, other parameters such as ITL heat content (H(ITL)), sea surface temperature (SST), temperature below ITL (T(m)), and quality measures (Q, I) indices are provided. Altogether, the dataset contains 1,201,897 temporally and horizontally varying sets of (G, h, H(ITL), SST, T(m), Q-index, I-index). Note that we added 200° to the longitude. This synoptic dataset is located on the NCEI website for public use.
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spelling pubmed-66202992019-07-11 Global ocean synoptic thermocline gradient, isothermal-layer depth, and other upper ocean parameters Chu, Peter C. Fan, Chenwu Sci Data Data Descriptor Different from the existing global ocean climatological datasets of isothermal layer (ITL) depth (h), a global ocean synoptic dataset of h along with other parameters has been established from temperature profiles of the National Centers for Environmental Information (NCEI) world ocean database 1961–2017. The exponential leap-forward gradient method was used to identify h and thermocline gradient (G) from each temperature profile measured by expendable bathythermograph (XBT) and conductivity, temperature, depth (CTD) instruments. Due to quality and vertical resolution of the profiling data, the numbers of (G, h) pairs are 446,811 out of 964,942 CTD profiles and 755,086 out of 2,303,433 XBT profiles. With the given h, other parameters such as ITL heat content (H(ITL)), sea surface temperature (SST), temperature below ITL (T(m)), and quality measures (Q, I) indices are provided. Altogether, the dataset contains 1,201,897 temporally and horizontally varying sets of (G, h, H(ITL), SST, T(m), Q-index, I-index). Note that we added 200° to the longitude. This synoptic dataset is located on the NCEI website for public use. Nature Publishing Group UK 2019-07-10 /pmc/articles/PMC6620299/ /pubmed/31292448 http://dx.doi.org/10.1038/s41597-019-0125-3 Text en © This is a U.S. government work and not under copyright protection in the U.S.; foreign copyright protection may apply 2019 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/. The Creative Commons Public Domain Dedication waiver http://creativecommons.org/publicdomain/zero/1.0/ applies to the metadata files associated with this article.
spellingShingle Data Descriptor
Chu, Peter C.
Fan, Chenwu
Global ocean synoptic thermocline gradient, isothermal-layer depth, and other upper ocean parameters
title Global ocean synoptic thermocline gradient, isothermal-layer depth, and other upper ocean parameters
title_full Global ocean synoptic thermocline gradient, isothermal-layer depth, and other upper ocean parameters
title_fullStr Global ocean synoptic thermocline gradient, isothermal-layer depth, and other upper ocean parameters
title_full_unstemmed Global ocean synoptic thermocline gradient, isothermal-layer depth, and other upper ocean parameters
title_short Global ocean synoptic thermocline gradient, isothermal-layer depth, and other upper ocean parameters
title_sort global ocean synoptic thermocline gradient, isothermal-layer depth, and other upper ocean parameters
topic Data Descriptor
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6620299/
https://www.ncbi.nlm.nih.gov/pubmed/31292448
http://dx.doi.org/10.1038/s41597-019-0125-3
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