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We present a requirements data model that first formalizes the collection of user requirements motivated by user-driven needs. Then, the user requirements can be grouped by essential variable and an analysis can derive product requirements and parameters for new or existing products. The work was inspired by thematic initiatives, such as OSCAR, from WMO, OSAAP (formerly COURL and NOSA) from NOAA, and the Copernicus In Situ Component Information System. The presented solution focuses on requirements for all applications of Earth observation in situ data. We present initial developments and testing of the data model and discuss the steps that GEO should take to implement a requirements database that is connected to actual data in the GEOSS platform and propose some recommendations on how to articulate it. Keywords: in situ; requirements; datasets; Earth observations; Group on Earth Observations Author: Joan Maso, Alba Brobia, Marie-Francoise Voidrot, Alaitz Zabala and Ivette Serral Creator: LaTeX with hyperref Producer: pdfTeX-1.40.21 CreationDate: Wed Mar 15 04:57:04 2023 CET ModDate: Wed Mar 15 05:01:22 2023 CET Tagged: no UserProperties: no Suspects: no Form: none JavaScript: no Pages: 15 Encrypted: no Page size: 595.276 x 841.89 pts (A4) Page rot: 0 File size: 1731090 bytes Optimized: no PDF version: 1.7 name type encoding emb sub uni object ID ------------------------------------ ----------------- ---------------- --- --- --- --------- BFTPJC+VnURWPalladioL Type 1 Custom yes yes no 10 0 VLGUER+URWPalladioL-Bold Type 1 Custom yes yes no 15 0 SSQMSO+URWPalladioL-Roma Type 1 Custom yes yes no 20 0 AMJFRL+URWPalladioL-Ital Type 1 Custom yes yes no 24 0 ZKJPJD+TimesNewRomanPS-BoldItalicMT Type 1C WinAnsi yes yes no 42 0 URHSMJ+CMSY10 Type 1 Builtin yes yes no 64 0 KPMOAA+Arial CID TrueType Identity-H yes yes yes 84 0 KPMMFC+PalatinoLinotype TrueType WinAnsi yes yes no 90 0 KPMMFE+PalatinoLinotype,Bold TrueType WinAnsi yes yes no 93 0 KPMMFG+PalatinoLinotype,Italic TrueType WinAnsi yes yes no 96 0 KPMNOO+Arial,Bold CID TrueType Identity-H yes yes yes 99 0 KPMNPP+Arial,BoldItalic TrueType WinAnsi yes yes no 105 0 KPMMFC+PalatinoLinotype TrueType WinAnsi yes yes no 124 0 KPMMFE+PalatinoLinotype,Bold TrueType WinAnsi yes yes no 127 0 KPMMFG+PalatinoLinotype,Italic TrueType WinAnsi yes yes no 130 0 KPMMFC+PalatinoLinotype TrueType WinAnsi yes yes no 144 0 KPMMFE+PalatinoLinotype,Bold TrueType WinAnsi yes yes no 147 0 KPMMFG+PalatinoLinotype,Italic TrueType WinAnsi yes yes no 150 0 KPMOAA+Arial CID TrueType Identity-H yes yes yes 164 0 KPMPLI+Arial,Italic TrueType WinAnsi yes yes no 170 0 KPMMFC+PalatinoLinotype TrueType WinAnsi yes yes no 173 0 KPMMFE+PalatinoLinotype,Bold TrueType WinAnsi yes yes no 176 0 KPMMFG+PalatinoLinotype,Italic TrueType WinAnsi yes yes no 179 0 KPMNOO+Arial,Bold CID TrueType Identity-H yes yes yes 182 0 KPMNPP+Arial,BoldItalic TrueType WinAnsi yes yes no 188 0 KPMOAA+Arial CID TrueType Identity-H yes yes yes 201 0 KPMPLI+Arial,Italic TrueType WinAnsi yes yes no 207 0 KPMMFC+PalatinoLinotype TrueType WinAnsi yes yes no 210 0 KPMMFE+PalatinoLinotype,Bold TrueType WinAnsi yes yes no 213 0 KPMMFG+PalatinoLinotype,Italic TrueType WinAnsi yes yes no 216 0 KPMNOO+Arial,Bold CID TrueType Identity-H yes yes yes 219 0 KPMNPP+Arial,BoldItalic TrueType WinAnsi yes yes no 225 0 KPNAEF+Calibri CID TrueType Identity-H yes yes yes 239 0 KPNAEG+Calibri,Bold CID TrueType Identity-H yes yes yes 245 0 KPMMFC+PalatinoLinotype TrueType WinAnsi yes yes no 251 0 KPMMFE+PalatinoLinotype,Bold TrueType WinAnsi yes yes no 254 0 KPMMFG+PalatinoLinotype,Italic TrueType WinAnsi yes yes no 257 0 KPNAEF+Calibri CID TrueType Identity-H yes yes yes 270 0 KPNAEG+Calibri,Bold CID TrueType Identity-H yes yes yes 276 0 KPMMFC+PalatinoLinotype TrueType WinAnsi yes yes no 282 0 KPMMFE+PalatinoLinotype,Bold TrueType WinAnsi yes yes no 285 0 KPMMFG+PalatinoLinotype,Italic TrueType WinAnsi yes yes no 288 0 Jhove (Rel. 1.28.0, 2023-05-18) Date: 2024-02-24 02:30:31 CET RepresentationInformation: RemSen_a2023v15n6p1589.pdf ReportingModule: PDF-hul, Rel. 1.12.4 (2023-03-16) LastModified: 2024-02-23 14:42:07 CET Size: 1731090 Format: PDF Version: 1.7 Status: Well-Formed and valid SignatureMatches: PDF-hul MIMEtype: application/pdf PDFMetadata: Objects: 401 FreeObjects: 1 IncrementalUpdates: 0 DocumentCatalog: PageLayout: SinglePage PageMode: UseNone Outlines: Item: Title: Introduction Destination: section.1 Item: Title: Materials and Methods Destination: section.2 Item: Title: First Results Destination: section.3 Item: Title: Future Work Destination: section.4 Item: Title: Conclusions Destination: section.5 Item: Title: References Destination: section.5 Info: Title: G-reqs, a New Model Proposal for Capturing and Managing In Situ Data Requirements: First Results in the Context of the Group on Earth Observations Author: Joan Maso, Alba Brobia, Marie-Francoise Voidrot, Alaitz Zabala and Ivette Serral Subject: In the field of Earth observation, the importance of in situ data was recognized by the Group on Earth Observations (GEO) in the Canberra Declaration in 2019. The GEO community focuses on three global priority engagement areas: the United Nations 2030 Agenda for Sustainable Development, the Paris Agreement, and the Sendai Framework for Disaster Risk Reduction. While efforts have been made by GEO to open and disseminate in situ data, GEO did not have a general way to capture in situ data user requirements and drive the data provider efforts to meet the goals of its three global priorities. We present a requirements data model that first formalizes the collection of user requirements motivated by user-driven needs. Then, the user requirements can be grouped by essential variable and an analysis can derive product requirements and parameters for new or existing products. The work was inspired by thematic initiatives, such as OSCAR, from WMO, OSAAP (formerly COURL and NOSA) from NOAA, and the Copernicus In Situ Component Information System. The presented solution focuses on requirements for all applications of Earth observation in situ data. We present initial developments and testing of the data model and discuss the steps that GEO should take to implement a requirements database that is connected to actual data in the GEOSS platform and propose some recommendations on how to articulate it. 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