{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1360011142931996288.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1029/2009gc002532"}},{"identifier":{"@type":"URI","@value":"https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1029%2F2009GC002532"}},{"identifier":{"@type":"URI","@value":"https://agupubs.onlinelibrary.wiley.com/doi/pdf/10.1029/2009GC002532"}}],"dc:title":[{"@value":"Effective resolution and drift of Paroscientific pressure sensors derived from long‐term seafloor measurements"}],"description":[{"type":"abstract","notation":[{"@value":"<jats:p>Starting with the installation of the NOAA tsunami early warning system DART in 1983, the Paroscientific Digiquarz® Broadband Depth Sensor has been deployed for long‐term ocean bottom pressure measurements in numerous marine investigations. The sensor turned out to be very reliable with a good signal repeatability within a broad measuring range and high resolution. However, up to now its long‐term drift, noise level, and effective resolution under in situ conditions at the seafloor are only known from a few published studies and for a few sensors. In this study we analyze 118 long‐term seafloor pressure time series (longer than 2 months and up to a maximum time period of 9 years) to investigate effective resolution and long‐term drift under in situ conditions. The data are from DART, IFM‐GEOMAR, LOLEM, and CORK stations. The noise level of the data and therefore the mean sensor resolution are lower than an upper threshold of 20.7 Pa (corresponding to 2.07 mm equivalent water level) for stations installed directly on the seafloor. The noise level of CORK sensors is much larger, with a median value of 127 Pa. Long‐term sensor drift is assumed to be composed of an initial exponential part and a subsequent linear drift. In situ mean drift is −0.88 ± 0.73 kPa/a, determined from all available data with a slight increase of drift with deployment depth. For the first time, we are able to quantify effective pressure resolution and drift of the widely used Paroscientific pressure gauges under in situ conditions. Our results provide important constrains for the interpretation of seafloor pressure records. However, in situ self‐calibration procedures for the Paroscientific sensors are still needed in order to benefit from high effective resolution and long‐term stability and also to increase accuracy especially for the monitoring of geodynamic processes at the seafloor.</jats:p>"}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1380011142931996288","@type":"Researcher","foaf:name":[{"@value":"André Polster"}],"jpcoar:affiliationName":[{"@value":"Fachbereich Geowissenschaften Universität Bremen  Klagenfurter Strasse, D‐28359 Bremen Germany"}]},{"@id":"https://cir.nii.ac.jp/crid/1380011142931996289","@type":"Researcher","foaf:name":[{"@value":"Marcus Fabian"}],"jpcoar:affiliationName":[{"@value":"Fachbereich Geowissenschaften Universität Bremen  Klagenfurter Strasse, D‐28359 Bremen Germany"}]},{"@id":"https://cir.nii.ac.jp/crid/1380011142931996290","@type":"Researcher","foaf:name":[{"@value":"Heinrich Villinger"}],"jpcoar:affiliationName":[{"@value":"Fachbereich Geowissenschaften Universität Bremen  Klagenfurter Strasse, D‐28359 Bremen Germany"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"15252027"},{"@type":"EISSN","@value":"15252027"}],"prism:publicationName":[{"@value":"Geochemistry, Geophysics, Geosystems"}],"dc:publisher":[{"@value":"American Geophysical Union (AGU)"}],"prism:publicationDate":"2009-08","prism:volume":"10","prism:number":"8","prism:startingPage":"Q08008"},"reviewed":"false","dc:rights":["http://onlinelibrary.wiley.com/termsAndConditions#vor"],"url":[{"@id":"https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1029%2F2009GC002532"},{"@id":"https://agupubs.onlinelibrary.wiley.com/doi/pdf/10.1029/2009GC002532"}],"createdAt":"2009-08-13","modifiedAt":"2023-10-12","relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1050292561229551360","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Water Depth Dependence of Long‐Range Correlation in Nontidal Variations in Seafloor Pressure"},{"@value":"Water depth dependence of long-range correlation in nontidal variations in seafloor pressure"}]},{"@id":"https://cir.nii.ac.jp/crid/1360002216175330176","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Episodic slow slip events in the Japan subduction zone before the 2011 Tohoku-Oki earthquake"}]},{"@id":"https://cir.nii.ac.jp/crid/1360004229807698176","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Detection of vertical motion during a slow‐slip event off the Boso Peninsula, Japan, by ocean bottom pressure gauges"}]},{"@id":"https://cir.nii.ac.jp/crid/1360004230551169408","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Practicality of Monitoring Crustal Deformation Processes in Subduction Zones by Seafloor and Inland Networks of Seismological Observations"}]},{"@id":"https://cir.nii.ac.jp/crid/1360004231402358528","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Detectability analysis of interplate fault slips in the Nankai subduction thrust using seafloor observation instruments"}]},{"@id":"https://cir.nii.ac.jp/crid/1360004233291826432","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Seafloor Crustal Deformation on Ocean Bottom Pressure Records With Nontidal Variability Corrections: Application to Hikurangi Margin, New Zealand"}]},{"@id":"https://cir.nii.ac.jp/crid/1360004235955794048","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Slow slip near the trench at the Hikurangi subduction zone, New Zealand"}]},{"@id":"https://cir.nii.ac.jp/crid/1360013168780787840","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Improving the Constraint on the\n                    <i>M</i>\n                    <sub>w</sub>\n                    7.1 2016 Off‐Fukushima Shallow Normal‐Faulting Earthquake With the High Azimuthal Coverage Tsunami Data From the S‐Net Wide and Dense Network: Implication for the Stress Regime in the Tohoku Overriding Plate"}]},{"@id":"https://cir.nii.ac.jp/crid/1360016870443278592","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Abrupt water temperature increases near seafloor during the 2011 Tohoku earthquake"}]},{"@id":"https://cir.nii.ac.jp/crid/1360283690387835648","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"The detectability of 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OBSERVATIONS"},{"@language":"ja","@value":"水圧式津波計の観測データに重畳される現象の室内実験による検証と分析"},{"@language":"ja-Kana","@value":"スイアツシキ ツナミケイ ノ カンソク データ ニ チョウジョウ サレル ゲンショウ ノ シツナイ ジッケン ニ ヨル ケンショウ ト ブンセキ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390587675161470976","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"ja","@value":"南海トラフへ設置した海底圧力計の長期安定性の評価"},{"@language":"en","@value":"EVALUATION OF SENSOR DRIFT OF PRESSURE GAUGES DEPLOYED IN THE NANKAI TROUGH"}]},{"@id":"https://cir.nii.ac.jp/crid/2050307417136234368","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Assessment of S-net seafoor pressure data quality in view of seafoor 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