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Northeast Atlantic Ocean, Loire estuary, DIVAnd 4D seasonal analysis of Water body silicate 1965/2019 v2021 [time][lat][lon], 1990

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Northeast Atlantic Ocean - Loire estuary - DIVAnd 4D seasonal analysis of Water body silicate 1965/2019 v2021. Every range of the time corresponds to a season (Winter=Jan-Mar,Spring=Apr-Jun, Summer=Jul-Sep, Autumn=Oct-Dec). Horizontal resolution 0.01deg. abstract=Seasonal climatology of Water body silicate for Loire river for the period 1950-2021 and for the following seasons: - winter: January-March, - spring: April-June, - summer: July-September, - autumn: October-December. Observation data span from 1950 to 2021. Depth levels (m): [0.0, 2.0, 4.0, 6.0, 8.0, 10.0, 15.0, 20.0, 25.0, 30.0, 35.0, 40.0, 45.0, 50.0, 60.0, 70.0, 80.0, 90.0, 100.0, 110.0, 120.0, 130.0]. Data sources: observational data from SeaDataNet/EMODNet Chemistry Data Network. Description of DIVAnd analysis: the computation was done with DIVAnd (Data-Interpolating Variational Analysis in n dimensions), version 2.7.4, using GEBCO 15 sec topography for the spatial connectivity of water masses. The horizontal resolution of the produced DIVAnd maps is 0.01 degrees. Horizontal correlation length is defined seasonally (in meters): 133000 (winter), 180000 (spring), 150000 (summer), 210000 (autumn). Vertical correlation length was optimized and vertically filtered and a seasonally-averaged profile was used (DIVAnd.fitvertlen). Signal-to-noise ratio was fixed to 1 for vertical profiles and 0.1 for time series to account for the redundancy in the time series observations. A logarithmic transformation (DIVAnd.loglin) was applied to the data prior to the analysis. Background field: the vertically-filtered data mean profile is substracted from the data. Detrending of data: no, advection constraint applied: no. Units: umol/l. Acknowledgements=Aggregated data products are generated by EMODnet Chemistry under the support of DG MARE Call for Tenders EASME/2020/OP/0006 (EASME/EMFF/2020/3.1.11/Lot 5/SI2.846161). area_keywords=Northeast Atlantic Ocean (40W) area_keywords_urn=SDN:C19::SVX00015 author_e_mail=Nolwenn PAGES <nolwenn.pages@ifremer.fr> Delphine LEROY <delphine.leroy@ifremer.fr> Julie GATTI <julie.gatti@ifremer.fr> Author_email=Quitterie CAZENAVE <quitterie.cazenave@ifremer.fr> Julie GATTI <julie.gatti@ifremer.fr> bathymetry_source=resolution: 0.1 degree, based on the global GEBCO Digital Atlas, 30 sec, 2014 cdm_data_type=Grid citation=Usage is subject to mandatory citation: "This resource was generated in the framework of EMODnet Chemistry, under the support of DG MARE Call for Tender EASME/EMFF/2020/3.1.11/European Marine Observation and Data Network (EMODnet) - Lot 5 - Chemistry" Conventions=CF-1.6, COARDS, ACDD-1.3 date=2023-05-16T17:48:27.701 DIVA_references=Barth, A., Beckers, J.-M., Troupin, C., Alvera-Azcarate, A., and Vandenbulcke, L. (2014): divand-1.0: n-dimensional variational data analysis for ocean observations, Geosci. Model Dev., 7, 225-241, doi: 10.5194/gmd-7-225-2014 DIVAnd_code_doi=10.5281/zenodo.7016823 DIVAnd_references=Barth, A.; Beckers, J.-M.; Troupin, C.; Alvera-Azcarate, A & Vandenbulcke, L. divand-1.0: n-dimensional variational data analysis for ocean observations. Geoscientific Model Development, 2014, 7, 225-241. DOI: 10.5194/gmd-7-225-2014 DIVAnd_source=https://github.com/gher-uliege/DIVAnd.jl DIVAnd_version=v2.7.9 doi=https://doi.org/10.13120/2b30d0f9-6f1e-49cd-b237-f01cc7c70d2e Easternmost_Easting=-1.0099315643310547 file_name=Water_body_silicate.nc geospatial_lat_max=47.99970626831055 geospatial_lat_min=46.25 geospatial_lat_resolution=0.009998321533203125 geospatial_lat_units=degrees_north geospatial_lon_max=-1.0099315643310547 geospatial_lon_min=-4.010000228881836 geospatial_lon_resolution=0.010000228881835938 geospatial_lon_units=degrees_east history=observational data from SeaDataNet/EMODnet Chemistry Data Network id=DatasetScan/emodnet-domains/Coastal_areas/Northeast_Atlantic_Ocean_-_Loire_River/Water_body_silicate.nc infoUrl=http://opendap.oceanbrowser.net/thredds/dodsC/data/emodnet-domains/Coastal_areas/Northeast_Atlantic_Ocean_-_Loire_River/Water_body_silicate.nc.html institution=IFREMER, SISMER, Scientific Information Systems for the SEA institution_urn=SDN:EDMO::486 keywords_vocabulary=GCMD Science Keywords NCO=netCDF Operators version 4.9.9 (Homepage = http://nco.sf.net, Code = https://github.com/nco/nco) Northernmost_Northing=47.99970626831055 parameter_keyword=Water body silicate parameter_keyword_urn=SDN:P35::EPC00008 product_code=Loire-Water_body_silicate-v2023-ANA product_id=2b30d0f9-6f1e-49cd-b237-f01cc7c70d2e project=EMODNET Chemistry - Phase 5 search_keywords=Silicate concentration parameters in the water column search_keywords_urn=SDN:P02::SLCA source=observational data from SeaDataNet/EMODnet Chemistry Data Network sourceUrl=http://opendap.oceanbrowser.net/thredds/dodsC/data/emodnet-domains/Coastal_areas/Northeast_Atlantic_Ocean_-_Loire_River/Water_body_silicate.nc Southernmost_Northing=46.25 standard_name_vocabulary=CF Standard Name Table v70 time_coverage_end=1985-11-16T00:00:00Z time_coverage_start=1985-02-16T00:00:00Z Westernmost_Easting=-4.010000228881836

东北大西洋海域 - 卢瓦尔河河口 - DIVAnd 四维季节性分析水体硅酸盐1965/2019 v2021。时间序列的每一范围对应一个季节(冬季=1月-3月,春季=4月-6月,夏季=7月-9月,秋季=10月-12月)。水平分辨率为0.01度。 摘要:卢瓦尔河流域1950-2021年水体硅酸盐的季节性气候学。具体季节如下: - 冬季:1月-3月 - 春季:4月-6月 - 夏季:7月-9月 - 秋季:10月-12月 观测数据时间跨度为1950年至2021年。 深度级别(米):[0.0, 2.0, 4.0, 6.0, 8.0, 10.0, 15.0, 20.0, 25.0, 30.0, 35.0, 40.0, 45.0, 50.0, 60.0, 70.0, 80.0, 90.0, 100.0, 110.0, 120.0, 130.0]。 数据来源:SeaDataNet/EMODNet 化学数据网络观测数据。 DIVAnd分析描述:计算采用DIVAnd(多维变分数据分析工具,版本2.7.4),利用GEBCO 15秒地形数据确定水体空间连通性。生成的DIVAnd地图的水平分辨率为0.01度。水平相关性长度按季节定义(以米为单位):冬季为133000,春季为180000,夏季为150000,秋季为210000。垂直相关性长度经过优化,并垂直滤波,使用季节性平均剖面(DIVAnd.fitvertlen)。信号与噪声比在垂直剖面中固定为1,在时间序列中为0.1,以考虑时间序列观测的冗余。在分析之前对数据应用了对数变换(DIVAnd.loglin)。背景场:从数据中减去垂直滤波后的数据平均值剖面。数据去趋势:否,应用平流约束:否。 单位:微摩尔/升。 致谢:EMODnet 化学在DG MARE 招标邀请EASME/2020/OP/0006(EASME/EMFF/2020/3.1.11/欧洲海洋观测与数据网络EMODnet - 标包5 - 化学)的支持下生成数据产品。 区域关键词:东北大西洋海域(40W) 区域关键词URN:SDN:C19::SVX00015 作者电子邮件:Nolwenn PAGES <nolwenn.pages@ifremer.fr> Delphine LEROY <delphine.leroy@ifremer.fr> Julie GATTI <julie.gatti@ifremer.fr> 作者电子邮件:Quitterie CAZENAVE <quitterie.cazenave@ifremer.fr> Julie GATTI <julie.gatti@ifremer.fr> 水深来源:分辨率:0.1度,基于全球GEBCO数字图集,30秒,2014。 数据类型:网格 引用:使用受制于强制引用:“本资源是在EMODnet 化学框架下生成的,在DG MARE 招标邀请EASME/EMFF/2020/3.1.11/欧洲海洋观测与数据网络EMODnet - 标包5 - 化学”的支持下。 约定:CF-1.6,COARDS,ACDD-1.3 日期:2023-05-16T17:48:27.701 DIVA参考文献:Barth, A.,Beckers, J.-M.,Troupin, C.,Alvera-Azcarate, A.,和Vandenbulcke, L.(2014):divand-1.0:多维变分数据分析工具用于海洋观测,地球科学模型发展,7,225-241,doi:10.5194/gmd-7-225-2014 DIVAnd代码DOI:10.5281/zenodo.7016823 DIVAnd参考文献:Barth, A.;Beckers, J.-M.;Troupin, C.;Alvera-Azcarate, A. & Vandenbulcke, L. divand-1.0:多维变分数据分析工具用于海洋观测。地球科学模型发展,2014,7,225-241。DOI:10.5194/gmd-7-225-2014 DIVAnd源代码:https://github.com/gher-uliege/DIVAnd.jl DIVAnd版本:v2.7.9 DOI:https://doi.org/10.13120/2b30d0f9-6f1e-49cd-b237-f01cc7c70d2e 最东经度:-1.0099315643310547 文件名:Water_body_silicate.nc 地理空间纬度最大值:47.99970626831055 地理空间纬度最小值:46.25 地理空间纬度分辨率:0.009998321533203125 地理空间纬度单位:北纬度 地理空间经度最大值:-1.0099315643310547 地理空间经度最小值:-4.010000228881836 地理空间经度分辨率:0.010000228881835938 地理空间经度单位:东经度 历史记录:SeaDataNet/EMODNet 化学数据网络观测数据 ID:DatasetScan/emodnet-domains/Coastal_areas/Northeast_Atlantic_Ocean_-_Loire_River/Water_body_silicate.nc 信息URL:http://opendap.oceanbrowser.net/thredds/dodsC/data/emodnet-domains/Coastal_areas/Northeast_Atlantic_Ocean_-_Loire_River/Water_body_silicate.nc.html 机构:IFREMER,SISMER,海洋科学信息系统 机构URN:SDN:EDMO::486 关键词词汇:GCMD 科学关键词 NCO:netCDF操作员版本4.9.9(主页 = http://nco.sf.net,代码 = https://github.com/nco/nco) 最北纬度:47.99970626831055 参数关键词:水体硅酸盐 参数关键词URN:SDN:P35::EPC00008 产品代码:Loire-Water_body_silicate-v2023-ANA 产品ID:2b30d0f9-6f1e-49cd-b237-f01cc7c70d2e 项目:EMODNET 化学第五阶段 搜索关键词:水柱中硅酸盐浓度参数 搜索关键词URN:SDN:P02::SLCA 来源:SeaDataNet/EMODNet 化学数据网络观测数据 来源URL:http://opendap.oceanbrowser.net/thredds/dodsC/data/emodnet-domains/Coastal_areas/Northeast_Atlantic_Ocean_-_Loire_River/Water_body_silicate.nc 最南纬度:46.25 标准名称词汇:CF标准名称表v70 时间覆盖结束:1985-11-16T00:00:00Z 时间覆盖开始:1985-02-16T00:00:00Z 最西经度:-4.010000228881836
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