Changes
On October 10, 2025, 4:35:06 PM UTC,
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Added resource wadden_sea_results.xlsx to yasmina ourradi
| f | 1 | { | f | 1 | { |
| 2 | "author": "yasmina ourradi (Royal Netherlands Institute for Sea | 2 | "author": "yasmina ourradi (Royal Netherlands Institute for Sea | ||
| 3 | Research)", | 3 | Research)", | ||
| 4 | "author_email": "ourradiyasmina@gmail.com", | 4 | "author_email": "ourradiyasmina@gmail.com", | ||
| 5 | "code": "7b.b.4j", | 5 | "code": "7b.b.4j", | ||
| 6 | "contributor": "Royal Netherlands Institute for Sea Research | 6 | "contributor": "Royal Netherlands Institute for Sea Research | ||
| 7 | (NIOZ)", | 7 | (NIOZ)", | ||
| 8 | "creator_user_id": "93b5f9bf-de57-4599-86f9-052de40712fe", | 8 | "creator_user_id": "93b5f9bf-de57-4599-86f9-052de40712fe", | ||
| 9 | "creators": | 9 | "creators": | ||
| 10 | :\"ourradi\",\"orcid\":\"0000-0002-0643-1755\",\"affiliation\":\"Royal | 10 | :\"ourradi\",\"orcid\":\"0000-0002-0643-1755\",\"affiliation\":\"Royal | ||
| 11 | Netherlands Institute for Sea | 11 | Netherlands Institute for Sea | ||
| 12 | actemailaddress\":\"ourradiyasmina@gmail.com\",\"formatted\":\"yasmina | 12 | actemailaddress\":\"ourradiyasmina@gmail.com\",\"formatted\":\"yasmina | ||
| 13 | ourradi - Royal Netherlands Institute for Sea Research - ORCID: | 13 | ourradi - Royal Netherlands Institute for Sea Research - ORCID: | ||
| 14 | 0000-0002-0643-1755 - Corresponding Author - | 14 | 0000-0002-0643-1755 - Corresponding Author - | ||
| 15 | "Humphreys\",\"orcid\":\"0000-0003-2192-9858\",\"affiliation\":\"Royal | 15 | "Humphreys\",\"orcid\":\"0000-0003-2192-9858\",\"affiliation\":\"Royal | ||
| 16 | Netherlands Institute for Sea | 16 | Netherlands Institute for Sea | ||
| 17 | dingauthor\":null,\"contactemailaddress\":null,\"formatted\":\"Matthew | 17 | dingauthor\":null,\"contactemailaddress\":null,\"formatted\":\"Matthew | ||
| 18 | Humphreys - Royal Netherlands Institute for Sea Research - ORCID: | 18 | Humphreys - Royal Netherlands Institute for Sea Research - ORCID: | ||
| 19 | 0000-0003-2192-9858\"}]", | 19 | 0000-0003-2192-9858\"}]", | ||
| 20 | "dataset_persistent_id": "DOI:10.25850/nioz/7b.b.4j", | 20 | "dataset_persistent_id": "DOI:10.25850/nioz/7b.b.4j", | ||
| 21 | "dates": | 21 | "dates": | ||
| 22 | ,\"type\":\"collected\",\"information\":null,\"formatted\":\"collected | 22 | ,\"type\":\"collected\",\"information\":null,\"formatted\":\"collected | ||
| 23 | from: 01/02/2022 to: 05/01/2023 \"}]", | 23 | from: 01/02/2022 to: 05/01/2023 \"}]", | ||
| 24 | "deposit_date": "2025-10-10", | 24 | "deposit_date": "2025-10-10", | ||
| 25 | "depositor": "Yasmina Ourradi (yasmina.ourradi@nioz.nl)", | 25 | "depositor": "Yasmina Ourradi (yasmina.ourradi@nioz.nl)", | ||
| 26 | "distribution_date": "2025-10-10", | 26 | "distribution_date": "2025-10-10", | ||
| 27 | "distributor": "Research Data Management(NIOZ Royal Netherlands | 27 | "distributor": "Research Data Management(NIOZ Royal Netherlands | ||
| 28 | Institute for Sea Research)", | 28 | Institute for Sea Research)", | ||
| 29 | "doi_date_published": "2025-10-10T18:34:40.1187605", | 29 | "doi_date_published": "2025-10-10T18:34:40.1187605", | ||
| 30 | "geographic_coverage": "[{\"place\":\"Wadden Sea - North | 30 | "geographic_coverage": "[{\"place\":\"Wadden Sea - North | ||
| 31 | ",\"longitude_2\":\"4.6\",\"longitude_1\":\"5\",\"formatted\":\"Wadden | 31 | ",\"longitude_2\":\"4.6\",\"longitude_1\":\"5\",\"formatted\":\"Wadden | ||
| 32 | Sea - North Sea N: 53.4 S: 52.9 E: 5 W: 4.6\"}]", | 32 | Sea - North Sea N: 53.4 S: 52.9 E: 5 W: 4.6\"}]", | ||
| 33 | "groups": [], | 33 | "groups": [], | ||
| 34 | "id": "c4451c07-24ac-4e62-b133-2fbe1d74bed9", | 34 | "id": "c4451c07-24ac-4e62-b133-2fbe1d74bed9", | ||
| 35 | "isopen": false, | 35 | "isopen": false, | ||
| 36 | "license_title": null, | 36 | "license_title": null, | ||
| 37 | "maintainer": "Yasmina", | 37 | "maintainer": "Yasmina", | ||
| 38 | "maintainer_email": "yasmina.ourradi@nioz.nl", | 38 | "maintainer_email": "yasmina.ourradi@nioz.nl", | ||
| 39 | "metadata_created": "2025-10-10T16:34:52.782763", | 39 | "metadata_created": "2025-10-10T16:34:52.782763", | ||
| n | 40 | "metadata_modified": "2025-10-10T16:34:52.782770", | n | 40 | "metadata_modified": "2025-10-10T16:35:05.958738", |
| 41 | "name": "yasmina-ourradi", | 41 | "name": "yasmina-ourradi", | ||
| 42 | "notes": "Shelf seas are important for global carbon cycling, but | 42 | "notes": "Shelf seas are important for global carbon cycling, but | ||
| 43 | their carbonate system dynamics remain poorly understood due to | 43 | their carbonate system dynamics remain poorly understood due to | ||
| 44 | complex spatial and temporal variability driven by interacting | 44 | complex spatial and temporal variability driven by interacting | ||
| 45 | biological, physical and hydrological processes. To understand these | 45 | biological, physical and hydrological processes. To understand these | ||
| 46 | complex dynamics, we focused on the Marsdiep channel at the Wadden | 46 | complex dynamics, we focused on the Marsdiep channel at the Wadden | ||
| 47 | Sea-North Sea interface, where strong tidal exchange creates ideal | 47 | Sea-North Sea interface, where strong tidal exchange creates ideal | ||
| 48 | conditions for investigating carbonate system variability across | 48 | conditions for investigating carbonate system variability across | ||
| 49 | multiple timescales. High-resolution (10-min) measurements of pH, | 49 | multiple timescales. High-resolution (10-min) measurements of pH, | ||
| 50 | combined with discrete sampling of dissolved inorganic carbon (DIC), | 50 | combined with discrete sampling of dissolved inorganic carbon (DIC), | ||
| 51 | total alkalinity (TA) and pH, were conducted over approximately one | 51 | total alkalinity (TA) and pH, were conducted over approximately one | ||
| 52 | year between February 2022 and January 2023 at this location. We | 52 | year between February 2022 and January 2023 at this location. We | ||
| 53 | developed a multi-linear regression (MLR) model based on salinity and | 53 | developed a multi-linear regression (MLR) model based on salinity and | ||
| 54 | tidal data to predict TA (TApred) (RMSD = 17.5 \u00b5mol | 54 | tidal data to predict TA (TApred) (RMSD = 17.5 \u00b5mol | ||
| 55 | kg\u207b\u00b9), and subsequently calculated DIC from the TApred and | 55 | kg\u207b\u00b9), and subsequently calculated DIC from the TApred and | ||
| 56 | pH (RMSD = 19.8 \u00b1 1.9 \u00b5mol kg\u207b\u00b9). To evaluate the | 56 | pH (RMSD = 19.8 \u00b1 1.9 \u00b5mol kg\u207b\u00b9). To evaluate the | ||
| 57 | performance and long-term stability of the pH sensor, we applied a | 57 | performance and long-term stability of the pH sensor, we applied a | ||
| 58 | semivariogram approach - an approach not commonly used in this context | 58 | semivariogram approach - an approach not commonly used in this context | ||
| 59 | - to estimate pH sensor uncertainty and drift patterns over time. We | 59 | - to estimate pH sensor uncertainty and drift patterns over time. We | ||
| 60 | propose this method as a robust approach for assessing sensors | 60 | propose this method as a robust approach for assessing sensors | ||
| 61 | performance in short and long-term deployments at sea, particularly | 61 | performance in short and long-term deployments at sea, particularly | ||
| 62 | when calibration sampling frequency is irregular. Results revealed | 62 | when calibration sampling frequency is irregular. Results revealed | ||
| 63 | pronounced diel and seasonal variability in pH (seasonal range: 0.6), | 63 | pronounced diel and seasonal variability in pH (seasonal range: 0.6), | ||
| 64 | DIC (419 \u00b5mol kg\u207b\u00b9), and TA (213.7 \u00b5mol | 64 | DIC (419 \u00b5mol kg\u207b\u00b9), and TA (213.7 \u00b5mol | ||
| 65 | kg\u207b\u00b9). These fluctuations reflected the interplay of | 65 | kg\u207b\u00b9). These fluctuations reflected the interplay of | ||
| 66 | biological and hydrological processes, with pH mainly controlled by | 66 | biological and hydrological processes, with pH mainly controlled by | ||
| 67 | biological process, TA by hydrological processes, and DIC influenced | 67 | biological process, TA by hydrological processes, and DIC influenced | ||
| 68 | by the combination of both. We used the Wasserstein distance to | 68 | by the combination of both. We used the Wasserstein distance to | ||
| 69 | quantify the balance of processes driving DIC at any given time. | 69 | quantify the balance of processes driving DIC at any given time. | ||
| 70 | During this study period, the Wadden Sea acted as a net CO2 source to | 70 | During this study period, the Wadden Sea acted as a net CO2 source to | ||
| 71 | the atmosphere, with an annual release of 4.7 g-C m\u22122. A deeper | 71 | the atmosphere, with an annual release of 4.7 g-C m\u22122. A deeper | ||
| 72 | understanding of the influence of biological and hydrological controls | 72 | understanding of the influence of biological and hydrological controls | ||
| 73 | on the marine carbonate system is still needed to unravel the relative | 73 | on the marine carbonate system is still needed to unravel the relative | ||
| 74 | importance of the processes involved, especially in regions of higher | 74 | importance of the processes involved, especially in regions of higher | ||
| 75 | complexities such as the Wadden Sea. Continuous high-frequency | 75 | complexities such as the Wadden Sea. Continuous high-frequency | ||
| 76 | measurements may provide a tool to capture these dynamics across | 76 | measurements may provide a tool to capture these dynamics across | ||
| 77 | multiple time scales, from hourly to seasonal and interannual, in | 77 | multiple time scales, from hourly to seasonal and interannual, in | ||
| 78 | order to refine our understanding of their role in driving the | 78 | order to refine our understanding of their role in driving the | ||
| 79 | carbonate system and in regional carbon cycling under changing | 79 | carbonate system and in regional carbon cycling under changing | ||
| 80 | climatic and hydrological conditions.", | 80 | climatic and hydrological conditions.", | ||
| n | 81 | "num_resources": 0, | n | 81 | "num_resources": 1, |
| 82 | "num_tags": 3, | 82 | "num_tags": 3, | ||
| 83 | "organization": { | 83 | "organization": { | ||
| 84 | "approval_status": "approved", | 84 | "approval_status": "approved", | ||
| 85 | "created": "2024-10-22T06:06:56.074257", | 85 | "created": "2024-10-22T06:06:56.074257", | ||
| 86 | "description": "", | 86 | "description": "", | ||
| 87 | "id": "bed2a893-3895-450b-bf4b-c74318003b1b", | 87 | "id": "bed2a893-3895-450b-bf4b-c74318003b1b", | ||
| 88 | "image_url": | 88 | "image_url": | ||
| 89 | z.nl/application/files/1216/8924/5333/NIOZ-logo_witte_randi-2023.svg", | 89 | z.nl/application/files/1216/8924/5333/NIOZ-logo_witte_randi-2023.svg", | ||
| 90 | "is_organization": true, | 90 | "is_organization": true, | ||
| 91 | "name": "nioz", | 91 | "name": "nioz", | ||
| 92 | "state": "active", | 92 | "state": "active", | ||
| 93 | "title": "Royal Netherlands Institute for Sea Research", | 93 | "title": "Royal Netherlands Institute for Sea Research", | ||
| 94 | "type": "organization" | 94 | "type": "organization" | ||
| 95 | }, | 95 | }, | ||
| 96 | "owner_org": "bed2a893-3895-450b-bf4b-c74318003b1b", | 96 | "owner_org": "bed2a893-3895-450b-bf4b-c74318003b1b", | ||
| 97 | "private": false, | 97 | "private": false, | ||
| 98 | "production_date": "2025-10-10", | 98 | "production_date": "2025-10-10", | ||
| 99 | "relationships_as_object": [], | 99 | "relationships_as_object": [], | ||
| 100 | "relationships_as_subject": [], | 100 | "relationships_as_subject": [], | ||
| t | 101 | "resources": [], | t | 101 | "resources": [ |
| 102 | { | ||||
| 103 | "cache_last_updated": null, | ||||
| 104 | "cache_url": null, | ||||
| 105 | "created": "2025-10-10T16:35:05.971654", | ||||
| 106 | "datastore_active": false, | ||||
| 107 | "format": "XLSX", | ||||
| 108 | "hash": "", | ||||
| 109 | "id": "bca7e4ff-b202-45ff-8c46-6c68be86cef2", | ||||
| 110 | "last_modified": "2025-10-10T16:35:05.952310", | ||||
| 111 | "metadata_modified": "2025-10-10T16:35:05.964613", | ||||
| 112 | "mimetype": | ||||
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| 115 | "name": "wadden_sea_results.xlsx", | ||||
| 116 | "package_id": "c4451c07-24ac-4e62-b133-2fbe1d74bed9", | ||||
| 117 | "position": 0, | ||||
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| 119 | "size": 9440065, | ||||
| 120 | "state": "active", | ||||
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| 122 | ca7e4ff-b202-45ff-8c46-6c68be86cef2/download/wadden_sea_results.xlsx", | ||||
| 123 | "url_type": "upload" | ||||
| 124 | } | ||||
| 125 | ], | ||||
| 102 | "state": "active", | 126 | "state": "active", | ||
| 103 | "subject": "Earth and Environmental Sciences", | 127 | "subject": "Earth and Environmental Sciences", | ||
| 104 | "tags": [ | 128 | "tags": [ | ||
| 105 | { | 129 | { | ||
| 106 | "display_name": "marine carbonate system", | 130 | "display_name": "marine carbonate system", | ||
| 107 | "id": "3c199e7a-4863-43a5-810f-1e8df58bf668", | 131 | "id": "3c199e7a-4863-43a5-810f-1e8df58bf668", | ||
| 108 | "name": "marine carbonate system", | 132 | "name": "marine carbonate system", | ||
| 109 | "state": "active", | 133 | "state": "active", | ||
| 110 | "vocabulary_id": null | 134 | "vocabulary_id": null | ||
| 111 | }, | 135 | }, | ||
| 112 | { | 136 | { | ||
| 113 | "display_name": "north sea", | 137 | "display_name": "north sea", | ||
| 114 | "id": "d90cc203-7108-406e-a3bb-20f1b22f40f0", | 138 | "id": "d90cc203-7108-406e-a3bb-20f1b22f40f0", | ||
| 115 | "name": "north sea", | 139 | "name": "north sea", | ||
| 116 | "state": "active", | 140 | "state": "active", | ||
| 117 | "vocabulary_id": null | 141 | "vocabulary_id": null | ||
| 118 | }, | 142 | }, | ||
| 119 | { | 143 | { | ||
| 120 | "display_name": "waddewn sea", | 144 | "display_name": "waddewn sea", | ||
| 121 | "id": "207cec75-bf87-48e9-a87b-ddec19a74bd8", | 145 | "id": "207cec75-bf87-48e9-a87b-ddec19a74bd8", | ||
| 122 | "name": "waddewn sea", | 146 | "name": "waddewn sea", | ||
| 123 | "state": "active", | 147 | "state": "active", | ||
| 124 | "vocabulary_id": null | 148 | "vocabulary_id": null | ||
| 125 | } | 149 | } | ||
| 126 | ], | 150 | ], | ||
| 127 | "title": "yasmina ourradi", | 151 | "title": "yasmina ourradi", | ||
| 128 | "type": "dataset", | 152 | "type": "dataset", | ||
| 129 | "url": "https://doi.org/10.25850/nioz/7b.b.4j", | 153 | "url": "https://doi.org/10.25850/nioz/7b.b.4j", | ||
| 130 | "version": "1" | 154 | "version": "1" | ||
| 131 | } | 155 | } |