Changes
On March 24, 2026, 7:18:41 AM UTC,
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Set visibility of Cruise report RV Pelagia campaign 64PE537 to Public
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Added the following tags to Cruise report RV Pelagia campaign 64PE537
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Moved Cruise report RV Pelagia campaign 64PE537 from https://doi.nioz.nl/dataset/cruise-report-rv-pelagia-campaign-64pe537 to https://doi.nioz.nl/dataset/cruise-report-rv-pelagia-campaign-64pe537-00000001
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Changed the version of Cruise report RV Pelagia campaign 64PE537 to 1
| f | 1 | { | f | 1 | { |
| 2 | "author": "Helge Niemann (Royal Netherlands Institute for Sea | 2 | "author": "Helge Niemann (Royal Netherlands Institute for Sea | ||
| 3 | Research, Utrecht University)", | 3 | Research, Utrecht University)", | ||
| 4 | "author_email": "helge.niemann@nioz.nl", | 4 | "author_email": "helge.niemann@nioz.nl", | ||
| 5 | "code": "7b.b.sk", | 5 | "code": "7b.b.sk", | ||
| 6 | "contributor": "Royal Netherlands Institute for Sea Research | 6 | "contributor": "Royal Netherlands Institute for Sea Research | ||
| 7 | (NIOZ)", | 7 | (NIOZ)", | ||
| 8 | "creator_user_id": "2493e7ec-e014-45d7-8c3b-4928fa9affbd", | 8 | "creator_user_id": "2493e7ec-e014-45d7-8c3b-4928fa9affbd", | ||
| 9 | "creators": "[{\"firstname\":\"Geert \",\"lastname\":\"de | 9 | "creators": "[{\"firstname\":\"Geert \",\"lastname\":\"de | ||
| 10 | Bruin\",\"orcid\":null,\"affiliation\":\"TNO, Royal Netherlands | 10 | Bruin\",\"orcid\":null,\"affiliation\":\"TNO, Royal Netherlands | ||
| 11 | Institute for Sea | 11 | Institute for Sea | ||
| 12 | ndingauthor\":false,\"contactemailaddress\":null,\"formatted\":\"Geert | 12 | ndingauthor\":false,\"contactemailaddress\":null,\"formatted\":\"Geert | ||
| 13 | de Bruin - TNO, Royal Netherlands Institute for Sea Research - ORCID: | 13 | de Bruin - TNO, Royal Netherlands Institute for Sea Research - ORCID: | ||
| 14 | \":\"Delre\",\"orcid\":\"0000-0002-9154-2635\",\"affiliation\":\"Royal | 14 | \":\"Delre\",\"orcid\":\"0000-0002-9154-2635\",\"affiliation\":\"Royal | ||
| 15 | Netherlands Institute for Sea | 15 | Netherlands Institute for Sea | ||
| 16 | ingauthor\":null,\"contactemailaddress\":null,\"formatted\":\"Annalisa | 16 | ingauthor\":null,\"contactemailaddress\":null,\"formatted\":\"Annalisa | ||
| 17 | Delre - Royal Netherlands Institute for Sea Research - ORCID: | 17 | Delre - Royal Netherlands Institute for Sea Research - ORCID: | ||
| 18 | ondingauthor\":null,\"contactemailaddress\":null,\"formatted\":\"Ilona | 18 | ondingauthor\":null,\"contactemailaddress\":null,\"formatted\":\"Ilona | ||
| 19 | Velzeboer - TNO - ORCID: \"},{\"firstname\":\"Henk\",\"lastname\":\"de | 19 | Velzeboer - TNO - ORCID: \"},{\"firstname\":\"Henk\",\"lastname\":\"de | ||
| 20 | Haas\",\"orcid\":\"0000-0001-5968-9496\",\"affiliation\":\"Royal | 20 | Haas\",\"orcid\":\"0000-0001-5968-9496\",\"affiliation\":\"Royal | ||
| 21 | Netherlands Institute for Sea | 21 | Netherlands Institute for Sea | ||
| 22 | pondingauthor\":null,\"contactemailaddress\":null,\"formatted\":\"Henk | 22 | pondingauthor\":null,\"contactemailaddress\":null,\"formatted\":\"Henk | ||
| 23 | de Haas - Royal Netherlands Institute for Sea Research - ORCID: | 23 | de Haas - Royal Netherlands Institute for Sea Research - ORCID: | ||
| 24 | dingauthor\":null,\"contactemailaddress\":null,\"formatted\":\"Rosanne | 24 | dingauthor\":null,\"contactemailaddress\":null,\"formatted\":\"Rosanne | ||
| 25 | Huybens - TNO - ORCID: | 25 | Huybens - TNO - ORCID: | ||
| 26 | pondingauthor\":null,\"contactemailaddress\":null,\"formatted\":\"Ilse | 26 | pondingauthor\":null,\"contactemailaddress\":null,\"formatted\":\"Ilse | ||
| 27 | Winkers - TNO - ORCID: | 27 | Winkers - TNO - ORCID: | ||
| 28 | Riekenberg\",\"orcid\":\"0000-0002-6201-7460\",\"affiliation\":\"Royal | 28 | Riekenberg\",\"orcid\":\"0000-0002-6201-7460\",\"affiliation\":\"Royal | ||
| 29 | Netherlands Institute for Sea | 29 | Netherlands Institute for Sea | ||
| 30 | dingauthor\":null,\"contactemailaddress\":null,\"formatted\":\"Jessica | 30 | dingauthor\":null,\"contactemailaddress\":null,\"formatted\":\"Jessica | ||
| 31 | Riekenberg - Royal Netherlands Institute for Sea Research - ORCID: | 31 | Riekenberg - Royal Netherlands Institute for Sea Research - ORCID: | ||
| 32 | 0000-0002-6201-7460\"},{\"firstname\":\"Robin | 32 | 0000-0002-6201-7460\"},{\"firstname\":\"Robin | ||
| 33 | Lindy\",\"lastname\":\"van | 33 | Lindy\",\"lastname\":\"van | ||
| 34 | Dijk\",\"orcid\":\"0009-0001-2495-6782\",\"affiliation\":\"University | 34 | Dijk\",\"orcid\":\"0009-0001-2495-6782\",\"affiliation\":\"University | ||
| 35 | ondingauthor\":null,\"contactemailaddress\":null,\"formatted\":\"Robin | 35 | ondingauthor\":null,\"contactemailaddress\":null,\"formatted\":\"Robin | ||
| 36 | Lindy van Dijk - University Groningen - ORCID: | 36 | Lindy van Dijk - University Groningen - ORCID: | ||
| 37 | 0009-0001-2495-6782\"},{\"firstname\":\" Friedrich\",\"lastname\":\" | 37 | 0009-0001-2495-6782\"},{\"firstname\":\" Friedrich\",\"lastname\":\" | ||
| 38 | R\u00f6seler\",\"orcid\":\"0009-0003-5707-4705\",\"affiliation\":\" | 38 | R\u00f6seler\",\"orcid\":\"0009-0003-5707-4705\",\"affiliation\":\" | ||
| 39 | Wageningen University & | 39 | Wageningen University & | ||
| 40 | rrespondingauthor\":null,\"contactemailaddress\":null,\"formatted\":\" | 40 | rrespondingauthor\":null,\"contactemailaddress\":null,\"formatted\":\" | ||
| 41 | Friedrich R\u00f6seler - Wageningen University & Research - ORCID: | 41 | Friedrich R\u00f6seler - Wageningen University & Research - ORCID: | ||
| 42 | :\"Niemann\",\"orcid\":\"0000-0002-3468-8304\",\"affiliation\":\"Royal | 42 | :\"Niemann\",\"orcid\":\"0000-0002-3468-8304\",\"affiliation\":\"Royal | ||
| 43 | Netherlands Institute for Sea Research, Utrecht | 43 | Netherlands Institute for Sea Research, Utrecht | ||
| 44 | "contactemailaddress\":\"helge.niemann@nioz.nl\",\"formatted\":\"Helge | 44 | "contactemailaddress\":\"helge.niemann@nioz.nl\",\"formatted\":\"Helge | ||
| 45 | Niemann - Royal Netherlands Institute for Sea Research, Utrecht | 45 | Niemann - Royal Netherlands Institute for Sea Research, Utrecht | ||
| 46 | University - ORCID: 0000-0002-3468-8304 - Corresponding Author - | 46 | University - ORCID: 0000-0002-3468-8304 - Corresponding Author - | ||
| 47 | helge.niemann@nioz.nl\"}]", | 47 | helge.niemann@nioz.nl\"}]", | ||
| 48 | "dataset_persistent_id": "DOI:10.25850/nioz/7b.b.sk", | 48 | "dataset_persistent_id": "DOI:10.25850/nioz/7b.b.sk", | ||
| 49 | "deposit_date": "2026-03-02", | 49 | "deposit_date": "2026-03-02", | ||
| 50 | "depositor": "Iakovos Petrou (iakovos.petrou@nioz.nl)", | 50 | "depositor": "Iakovos Petrou (iakovos.petrou@nioz.nl)", | ||
| 51 | "distribution_date": "2026-03-02", | 51 | "distribution_date": "2026-03-02", | ||
| 52 | "distributor": "Research Data Management(NIOZ Royal Netherlands | 52 | "distributor": "Research Data Management(NIOZ Royal Netherlands | ||
| 53 | Institute for Sea Research)", | 53 | Institute for Sea Research)", | ||
| n | n | 54 | "doi_date_published": "2026-03-24T08:18:25.8618047", | ||
| 54 | "groups": [], | 55 | "groups": [], | ||
| 55 | "id": "70f515b0-152d-409a-aac1-9a1e34e37ded", | 56 | "id": "70f515b0-152d-409a-aac1-9a1e34e37ded", | ||
| 56 | "isopen": false, | 57 | "isopen": false, | ||
| 57 | "license_title": null, | 58 | "license_title": null, | ||
| 58 | "maintainer": "Iakovos", | 59 | "maintainer": "Iakovos", | ||
| 59 | "maintainer_email": "iakovos.petrou@nioz.nl", | 60 | "maintainer_email": "iakovos.petrou@nioz.nl", | ||
| 60 | "metadata_created": "2026-03-02T12:38:19.125923", | 61 | "metadata_created": "2026-03-02T12:38:19.125923", | ||
| n | 61 | "metadata_modified": "2026-03-02T12:38:34.000425", | n | 62 | "metadata_modified": "2026-03-24T07:18:40.956924", |
| 62 | "name": "cruise-report-rv-pelagia-campaign-64pe537", | 63 | "name": "cruise-report-rv-pelagia-campaign-64pe537-00000001", | ||
| 63 | "notes": "Methane (CH4) is an important greenhouse gas, that is 32 | 64 | "notes": "Methane (CH4) is an important greenhouse gas, that is 32 | ||
| 64 | times more potent than CO2 on a time \nhorizon of 100 years (Etminan | 65 | times more potent than CO2 on a time \nhorizon of 100 years (Etminan | ||
| 65 | et al., 2016). Though the half-life of atmospheric methane is | 66 | et al., 2016). Though the half-life of atmospheric methane is | ||
| 66 | relatively \nshort (~ 9 years), CH4 concentrations in the atmosphere | 67 | relatively \nshort (~ 9 years), CH4 concentrations in the atmosphere | ||
| 67 | have risen drastically to current values of ~ \n1.9 ppm; i.e. ~ | 68 | have risen drastically to current values of ~ \n1.9 ppm; i.e. ~ | ||
| 68 | 2.5-fold higher compared to preindustrial values (IPCC, 2021). The | 69 | 2.5-fold higher compared to preindustrial values (IPCC, 2021). The | ||
| 69 | exact mechanisms \nbehind this increase are not fully understood, yet | 70 | exact mechanisms \nbehind this increase are not fully understood, yet | ||
| 70 | it is clear that the increase in the atmospheric \nmethane budget is | 71 | it is clear that the increase in the atmospheric \nmethane budget is | ||
| 71 | caused by anthropogenic sources (Nisbet et al., 2019); together, these | 72 | caused by anthropogenic sources (Nisbet et al., 2019); together, these | ||
| 72 | amount to \n336 - 376 Tg yr-1\n. Natural CH4 sources are overall on a | 73 | amount to \n336 - 376 Tg yr-1\n. Natural CH4 sources are overall on a | ||
| 73 | similar scale contributing about 40% (183\u2013248 \nTg yr-1\n) to the | 74 | similar scale contributing about 40% (183\u2013248 \nTg yr-1\n) to the | ||
| 74 | total atmospheric budget (Saunois et al., 2020; IPCC, 2021).\nThough | 75 | total atmospheric budget (Saunois et al., 2020; IPCC, 2021).\nThough | ||
| 75 | it is likely that the overall contribution of the Ocean to the | 76 | it is likely that the overall contribution of the Ocean to the | ||
| 76 | atmospheric methane content is \ncomparably small, ocean budget | 77 | atmospheric methane content is \ncomparably small, ocean budget | ||
| 77 | estimates vary considerably. Shelf seas for example are with 9 - 22 | 78 | estimates vary considerably. Shelf seas for example are with 9 - 22 | ||
| 78 | \nTg yr-1 the main contributor of natural oceanic methane emission to | 79 | \nTg yr-1 the main contributor of natural oceanic methane emission to | ||
| 79 | the atmosphere though the shelf \nonly accounts for 8 - 10 % of the | 80 | the atmosphere though the shelf \nonly accounts for 8 - 10 % of the | ||
| 80 | global ocean surface (Weber et al., 2019; Saunois et al., 2020). | 81 | global ocean surface (Weber et al., 2019; Saunois et al., 2020). | ||
| 81 | \nCompared to the open ocean, shelf seas are characterized by high | 82 | \nCompared to the open ocean, shelf seas are characterized by high | ||
| 82 | nutrient loads, high primary \nproduction, high sedimentation rates | 83 | nutrient loads, high primary \nproduction, high sedimentation rates | ||
| 83 | and subsequent burial of dead organic matter to the seabed. \nThis | 84 | and subsequent burial of dead organic matter to the seabed. \nThis | ||
| 84 | leads to elevated methane production in sediments by microbial or | 85 | leads to elevated methane production in sediments by microbial or | ||
| 85 | thermogenic processes\n(Reeburgh, 2007). Methane emission related to | 86 | thermogenic processes\n(Reeburgh, 2007). Methane emission related to | ||
| 86 | offshore industries on the other hand are virtually \nunknown. | 87 | offshore industries on the other hand are virtually \nunknown. | ||
| 87 | However, methane in shelf sea sediments is of commercial value and | 88 | However, methane in shelf sea sediments is of commercial value and | ||
| 88 | thus extracted. After \nexploitation, wells are sealed to prevent | 89 | thus extracted. After \nexploitation, wells are sealed to prevent | ||
| 89 | leakage, but recent investigations in the UK and German \nsector of | 90 | leakage, but recent investigations in the UK and German \nsector of | ||
| 90 | the North Sea by Vielst\u00e4dte et al. (2017) and B\u00f6ttner et al. | 91 | the North Sea by Vielst\u00e4dte et al. (2017) and B\u00f6ttner et al. | ||
| 91 | (2020), however, found acoustic \nflares in the water column in | 92 | (2020), however, found acoustic \nflares in the water column in | ||
| 92 | vicinity of well heads; these acoustic features are caused by plumes | 93 | vicinity of well heads; these acoustic features are caused by plumes | ||
| 93 | of \nrising bubbles emanating from the sea floor. The authors almost | 94 | of \nrising bubbles emanating from the sea floor. The authors almost | ||
| 94 | always found such flares if the well \nheads were above bright spots | 95 | always found such flares if the well \nheads were above bright spots | ||
| 95 | in seismic data. Bright spots are caused by high amplitude response in | 96 | in seismic data. Bright spots are caused by high amplitude response in | ||
| 96 | \nsound velocity of the subsurface, e.g. triggered by the presence of | 97 | \nsound velocity of the subsurface, e.g. triggered by the presence of | ||
| 97 | shallow gas. These previous studies \ncould not fully clarify why the | 98 | shallow gas. These previous studies \ncould not fully clarify why the | ||
| 98 | location of sea floor gas release was often at some distance from the | 99 | location of sea floor gas release was often at some distance from the | ||
| 99 | \nwell head (i.e. the leak-tightness of the well head seal itself was | 100 | \nwell head (i.e. the leak-tightness of the well head seal itself was | ||
| 100 | not necessarily compromised). \nHowever, the statistical co-occurrence | 101 | not necessarily compromised). \nHowever, the statistical co-occurrence | ||
| 101 | of flares and (abandoned) wells suggested a causality.\nThe Dutch | 102 | of flares and (abandoned) wells suggested a causality.\nThe Dutch | ||
| 102 | sector of the North Sea is rich in shallow and deep subsurface | 103 | sector of the North Sea is rich in shallow and deep subsurface | ||
| 103 | methane. The deep methane \nis extracted from multiple active wells | 104 | methane. The deep methane \nis extracted from multiple active wells | ||
| 104 | and many more wells are abandoned and sealed. With respect \nto the | 105 | and many more wells are abandoned and sealed. With respect \nto the | ||
| 105 | previous findings (Vielst\u00e4dte et al., 2017; B\u00f6ttner et al., | 106 | previous findings (Vielst\u00e4dte et al., 2017; B\u00f6ttner et al., | ||
| 106 | 2020) this raises the questions: \n- if and how frequent gas release | 107 | 2020) this raises the questions: \n- if and how frequent gas release | ||
| 107 | occurs at or in the vicinity of (abandoned) wells in the Dutch | 108 | occurs at or in the vicinity of (abandoned) wells in the Dutch | ||
| 108 | \nsector of the North Sea; \n- if the gas release is caused by the | 109 | \nsector of the North Sea; \n- if the gas release is caused by the | ||
| 109 | previous drilling and/or inappropriate sealing attempts.", | 110 | previous drilling and/or inappropriate sealing attempts.", | ||
| 110 | "num_resources": 1, | 111 | "num_resources": 1, | ||
| n | 111 | "num_tags": 1, | n | 112 | "num_tags": 4, |
| 112 | "organization": { | 113 | "organization": { | ||
| 113 | "approval_status": "approved", | 114 | "approval_status": "approved", | ||
| 114 | "created": "2024-10-22T06:06:56.074257", | 115 | "created": "2024-10-22T06:06:56.074257", | ||
| 115 | "description": "", | 116 | "description": "", | ||
| 116 | "id": "bed2a893-3895-450b-bf4b-c74318003b1b", | 117 | "id": "bed2a893-3895-450b-bf4b-c74318003b1b", | ||
| 117 | "image_url": | 118 | "image_url": | ||
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| 119 | "is_organization": true, | 120 | "is_organization": true, | ||
| 120 | "name": "nioz", | 121 | "name": "nioz", | ||
| 121 | "state": "active", | 122 | "state": "active", | ||
| 122 | "title": "Royal Netherlands Institute for Sea Research", | 123 | "title": "Royal Netherlands Institute for Sea Research", | ||
| 123 | "type": "organization" | 124 | "type": "organization" | ||
| 124 | }, | 125 | }, | ||
| 125 | "owner_org": "bed2a893-3895-450b-bf4b-c74318003b1b", | 126 | "owner_org": "bed2a893-3895-450b-bf4b-c74318003b1b", | ||
| n | 126 | "private": true, | n | 127 | "private": false, |
| 128 | "production_date": "2026-03-24", | ||||
| 127 | "relationships_as_object": [], | 129 | "relationships_as_object": [], | ||
| 128 | "relationships_as_subject": [], | 130 | "relationships_as_subject": [], | ||
| 129 | "resources": [ | 131 | "resources": [ | ||
| 130 | { | 132 | { | ||
| 131 | "cache_last_updated": null, | 133 | "cache_last_updated": null, | ||
| 132 | "cache_url": null, | 134 | "cache_url": null, | ||
| 133 | "created": "2026-03-02T12:38:34.010257", | 135 | "created": "2026-03-02T12:38:34.010257", | ||
| 134 | "datastore_active": false, | 136 | "datastore_active": false, | ||
| 135 | "format": "PDF", | 137 | "format": "PDF", | ||
| 136 | "hash": "", | 138 | "hash": "", | ||
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| 138 | "last_modified": "2026-03-02T12:38:33.994658", | 140 | "last_modified": "2026-03-02T12:38:33.994658", | ||
| n | 139 | "metadata_modified": "2026-03-02T12:38:34.005285", | n | 141 | "metadata_modified": "2026-03-24T07:18:40.961538", |
| 140 | "mimetype": "application/pdf", | 142 | "mimetype": "application/pdf", | ||
| 141 | "mimetype_inner": null, | 143 | "mimetype_inner": null, | ||
| 142 | "name": "64PE537_Cruise Report_2024.pdf", | 144 | "name": "64PE537_Cruise Report_2024.pdf", | ||
| 143 | "package_id": "70f515b0-152d-409a-aac1-9a1e34e37ded", | 145 | "package_id": "70f515b0-152d-409a-aac1-9a1e34e37ded", | ||
| 144 | "position": 0, | 146 | "position": 0, | ||
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| 146 | "size": 3082334, | 148 | "size": 3082334, | ||
| 147 | "state": "active", | 149 | "state": "active", | ||
| 148 | "url": | 150 | "url": | ||
| 149 | -f531-4404-a692-139ca6f02d4c/download/64pe537_cruise-report_2024.pdf", | 151 | -f531-4404-a692-139ca6f02d4c/download/64pe537_cruise-report_2024.pdf", | ||
| 150 | "url_type": "upload" | 152 | "url_type": "upload" | ||
| 151 | } | 153 | } | ||
| 152 | ], | 154 | ], | ||
| 153 | "state": "active", | 155 | "state": "active", | ||
| 154 | "subject": "Earth and Environmental Sciences", | 156 | "subject": "Earth and Environmental Sciences", | ||
| 155 | "tags": [ | 157 | "tags": [ | ||
| 156 | { | 158 | { | ||
| n | n | 159 | "display_name": "abandoned well", | ||
| 160 | "id": "56623408-37a7-4907-ab8d-70c400939564", | ||||
| 161 | "name": "abandoned well", | ||||
| 162 | "state": "active", | ||||
| 163 | "vocabulary_id": null | ||||
| 164 | }, | ||||
| 165 | { | ||||
| 157 | "display_name": "methane", | 166 | "display_name": "methane", | ||
| 158 | "id": "482ef366-90d3-497c-83ee-942335ca0d80", | 167 | "id": "482ef366-90d3-497c-83ee-942335ca0d80", | ||
| 159 | "name": "methane", | 168 | "name": "methane", | ||
| n | n | 169 | "state": "active", | ||
| 170 | "vocabulary_id": null | ||||
| 171 | }, | ||||
| 172 | { | ||||
| 173 | "display_name": "netherlands", | ||||
| 174 | "id": "94c67aa3-f8e6-4877-9b25-91c0097b6e39", | ||||
| 175 | "name": "netherlands", | ||||
| 176 | "state": "active", | ||||
| 177 | "vocabulary_id": null | ||||
| 178 | }, | ||||
| 179 | { | ||||
| 180 | "display_name": "north sea", | ||||
| 181 | "id": "d90cc203-7108-406e-a3bb-20f1b22f40f0", | ||||
| 182 | "name": "north sea", | ||||
| 160 | "state": "active", | 183 | "state": "active", | ||
| 161 | "vocabulary_id": null | 184 | "vocabulary_id": null | ||
| 162 | } | 185 | } | ||
| 163 | ], | 186 | ], | ||
| 164 | "title": "Cruise report RV Pelagia campaign 64PE537", | 187 | "title": "Cruise report RV Pelagia campaign 64PE537", | ||
| 165 | "type": "dataset", | 188 | "type": "dataset", | ||
| t | 166 | "url": "https://doi.org/10.25850/nioz/7b.b.sk" | t | 189 | "url": "https://doi.org/10.25850/nioz/7b.b.sk", |
| 190 | "version": "1" | ||||
| 167 | } | 191 | } |