              
    
          
          
        
        
            f 1 { f 1 {
            2   "ark": "ark:37281/k577s0k8p", 2   "ark": "ark:37281/k577s0k8p",
            3   "author": "Tzu-Hao Lin, Chong Chen, Hiromi Kayama Watanabe, Tomonari  3   "author": "Tzu-Hao Lin, Chong Chen, Hiromi Kayama Watanabe, Tomonari 
            4 Akamatsu, Shinsuke Kawagucci", 4 Akamatsu, Shinsuke Kawagucci",
            5   "author_email": null, 5   "author_email": null,
            6   "contact_email": "schonkopf@gmail.com", 6   "contact_email": "schonkopf@gmail.com",
            7   "contact_person": "Tzu-Hao Lin", 7   "contact_person": "Tzu-Hao Lin",
            8   "creator_user_id": "4ed8099e-7518-41c7-8092-cc9c3f0a07eb", 8   "creator_user_id": "4ed8099e-7518-41c7-8092-cc9c3f0a07eb",
            9   "data_type": [ 9   "data_type": [
            10     "code", 10     "code",
            11     "multimedia", 11     "multimedia",
            12     "science" 12     "science"
            13   ], 13   ],
            14   "end_time": "2020-03", 14   "end_time": "2020-03",
            15   "erc_what": "Deep-sea soundscapes of Japan", 15   "erc_what": "Deep-sea soundscapes of Japan",
            16   "erc_when": "201907-202003", 16   "erc_when": "201907-202003",
            17   "erc_where": "https://pid.depositar.io/ark:37281/k577s0k8p", 17   "erc_where": "https://pid.depositar.io/ark:37281/k577s0k8p",
            18   "erc_who": "Tzu-Hao Lin, Chong Chen, Hiromi Kayama Watanabe,  18   "erc_who": "Tzu-Hao Lin, Chong Chen, Hiromi Kayama Watanabe, 
            19 Tomonari Akamatsu, Shinsuke Kawagucci", 19 Tomonari Akamatsu, Shinsuke Kawagucci",
            20   "groups": [ 20   "groups": [
            21     { 21     {
            22       "description": "", 22       "description": "",
            23       "display_name": "03. \u5730\u7406\u8207\u5730\u65b9 / Geography  23       "display_name": "03. \u5730\u7406\u8207\u5730\u65b9 / Geography 
            24 and places", 24 and places",
            25       "id": "e9812826-5fb1-491c-b23c-913426b378b8", 25       "id": "e9812826-5fb1-491c-b23c-913426b378b8",
            26       "image_display_url":  26       "image_display_url": 
            27 /data.depositar.io/uploads/group/2018-10-23-062820.015087icon-03.jpg", 27 /data.depositar.io/uploads/group/2018-10-23-062820.015087icon-03.jpg",
            28       "name": "geography-and-places", 28       "name": "geography-and-places",
            29       "title": "03. \u5730\u7406\u8207\u5730\u65b9 / Geography and  29       "title": "03. \u5730\u7406\u8207\u5730\u65b9 / Geography and 
            30 places" 30 places"
            31     }, 31     },
            32     { 32     {
            33       "description": "", 33       "description": "",
            34       "display_name": "08. \u81ea\u7136\u8207\u7269\u7406\u79d1\u5b78  34       "display_name": "08. \u81ea\u7136\u8207\u7269\u7406\u79d1\u5b78 
            35 / Natural and physical sciences", 35 / Natural and physical sciences",
            36       "id": "041eefbf-2eb2-4aff-9aed-5631d17cc465", 36       "id": "041eefbf-2eb2-4aff-9aed-5631d17cc465",
            37       "image_display_url":  37       "image_display_url": 
            38 /data.depositar.io/uploads/group/2018-10-23-063044.410318icon-08.jpg", 38 /data.depositar.io/uploads/group/2018-10-23-063044.410318icon-08.jpg",
            39       "name": "natural-and-physical-sciences", 39       "name": "natural-and-physical-sciences",
            40       "title": "08. \u81ea\u7136\u8207\u7269\u7406\u79d1\u5b78 /  40       "title": "08. \u81ea\u7136\u8207\u7269\u7406\u79d1\u5b78 / 
            41 Natural and physical sciences" 41 Natural and physical sciences"
            42     }, 42     },
            43     { 43     {
            44       "description": "", 44       "description": "",
            45       "display_name": "Asian Soundscape Monitoring Network ", 45       "display_name": "Asian Soundscape Monitoring Network ",
            46       "id": "1bcc1993-657e-4e12-933c-63b780064000", 46       "id": "1bcc1993-657e-4e12-933c-63b780064000",
            47       "image_display_url": "", 47       "image_display_url": "",
            48       "name": "asian-soundscape-monitoring-network", 48       "name": "asian-soundscape-monitoring-network",
            49       "title": "Asian Soundscape Monitoring Network " 49       "title": "Asian Soundscape Monitoring Network "
            50     }, 50     },
            51     { 51     {
            52       "description":  52       "description": 
            53 2a\u6f6e\u3001\u6d77\u5cb8\u8cc7\u8a0a\u3001\u6697\u7901\u3002Features  53 2a\u6f6e\u3001\u6d77\u5cb8\u8cc7\u8a0a\u3001\u6697\u7901\u3002Features 
            54 and characteristics of salt water bodies (excluding inland waters).  54 and characteristics of salt water bodies (excluding inland waters). 
            55 Examples: tides, tidal waves, coastal information, reefs.", 55 Examples: tides, tidal waves, coastal information, reefs.",
            56       "display_name": "[ISO19115] \u6d77\u6d0b\u8cc7\u8a0a\u985e /  56       "display_name": "[ISO19115] \u6d77\u6d0b\u8cc7\u8a0a\u985e / 
            57 Oceans", 57 Oceans",
            58       "id": "ea43fdab-1e00-449b-88b1-ed15e56120eb", 58       "id": "ea43fdab-1e00-449b-88b1-ed15e56120eb",
            59       "image_display_url": "", 59       "image_display_url": "",
            60       "name": "oceans", 60       "name": "oceans",
            61       "title": "[ISO19115] \u6d77\u6d0b\u8cc7\u8a0a\u985e / Oceans" 61       "title": "[ISO19115] \u6d77\u6d0b\u8cc7\u8a0a\u985e / Oceans"
            62     }, 62     },
            63     { 63     {
            64       "description":  64       "description": 
            65 u6d0b\u751f\u6d3b\u3001\u6ebc\u5730\u3001\u68f2\u606f\u5730\u3002Flora  65 u6d0b\u751f\u6d3b\u3001\u6ebc\u5730\u3001\u68f2\u606f\u5730\u3002Flora 
            66 and/or fauna in natural environment. Examples: wildlife, vegetation,  66 and/or fauna in natural environment. Examples: wildlife, vegetation, 
            67 biological sciences, ecology, wilderness, sealife, wetlands,  67 biological sciences, ecology, wilderness, sealife, wetlands, 
            68 habitat.", 68 habitat.",
            69       "display_name": "[ISO19115] \u751f\u7269\u751f\u614b\u985e /  69       "display_name": "[ISO19115] \u751f\u7269\u751f\u614b\u985e / 
            70 Biota", 70 Biota",
            71       "id": "234ceb65-658b-46c4-95ad-68d6356523ce", 71       "id": "234ceb65-658b-46c4-95ad-68d6356523ce",
            72       "image_display_url": "", 72       "image_display_url": "",
            73       "name": "biota", 73       "name": "biota",
            74       "title": "[ISO19115] \u751f\u7269\u751f\u614b\u985e / Biota" 74       "title": "[ISO19115] \u751f\u7269\u751f\u614b\u985e / Biota"
            75     } 75     }
            76   ], 76   ],
            77   "id": "c0c7d9a4-c9e0-4a5d-9740-884817af13f7", 77   "id": "c0c7d9a4-c9e0-4a5d-9740-884817af13f7",
            78   "isopen": true, 78   "isopen": true,
            79   "keywords": [ 79   "keywords": [
            80     "Q1358257", 80     "Q1358257",
            81     "Q686881", 81     "Q686881",
            82     "Q5250646" 82     "Q5250646"
            83   ], 83   ],
            84   "language": [ 84   "language": [
            85     "eng" 85     "eng"
            86   ], 86   ],
            87   "license_id": "cc-by", 87   "license_id": "cc-by",
            88   "license_title": "CC-BY 4.0", 88   "license_title": "CC-BY 4.0",
            89   "license_url": "https://creativecommons.org/licenses/by/4.0/", 89   "license_url": "https://creativecommons.org/licenses/by/4.0/",
            90   "maintainer": null, 90   "maintainer": null,
            91   "maintainer_email": null, 91   "maintainer_email": null,
            92   "metadata_created": "2021-06-07T06:22:53.324633", 92   "metadata_created": "2021-06-07T06:22:53.324633",
            n 93   "metadata_modified": "2022-07-11T09:21:33.238478", n 93   "metadata_modified": "2023-09-05T17:13:55.157434",
            94   "name": "deep-sea-soundscapes-of-japan", 94   "name": "deep-sea-soundscapes-of-japan",
            95   "notes": "This dataset is an archive of acoustic data associated  95   "notes": "This dataset is an archive of acoustic data associated 
            96 with the deep-sea soundscapes of Japan. Python codes to visualize the  96 with the deep-sea soundscapes of Japan. Python codes to visualize the 
            97 audio data are also provided in a notebook based on Google  97 audio data are also provided in a notebook based on Google 
            98 Colab.\r\n\r\n#Recording Locations\r\n\r\nFour deep-sea ecosystems  98 Colab.\r\n\r\n#Recording Locations\r\n\r\nFour deep-sea ecosystems 
            99 around Japan were recorded. This includes the benthic habitats off  99 around Japan were recorded. This includes the benthic habitats off 
            100 Sanriku, the twilight zone of Suruga Bay, the hydrothermal vents of  100 Sanriku, the twilight zone of Suruga Bay, the hydrothermal vents of 
            101 Suiyo Seamount, and the abyssal plains off Minamitorishima  101 Suiyo Seamount, and the abyssal plains off Minamitorishima 
            102 Island.\r\n\r\n* Off Sanriku: multiple recording locations were  102 Island.\r\n\r\n* Off Sanriku: multiple recording locations were 
            103 surveyed between July 21 and August 5, 2019 within an area enclosed by  103 surveyed between July 21 and August 5, 2019 within an area enclosed by 
            104 39\u00b002.3486\u2019N, 39\u00b024.1055\u2019N,  104 39\u00b002.3486\u2019N, 39\u00b024.1055\u2019N, 
            105 142\u00b008.2092\u2019E, and 142\u00b027.0315\u2019E. The depth range  105 142\u00b008.2092\u2019E, and 142\u00b027.0315\u2019E. The depth range 
            106 was between 250-1011 m.\r\n* Suruga Bay: one recording location was  106 was between 250-1011 m.\r\n* Suruga Bay: one recording location was 
            107 surveyed November 4-5, 2019 at 34\u00b058.3952\u2019N,  107 surveyed November 4-5, 2019 at 34\u00b058.3952\u2019N, 
            108 138\u00b043.2089\u2019E. The depth was 1686 m.\r\n* Suiyo Seamount:  108 138\u00b043.2089\u2019E. The depth was 1686 m.\r\n* Suiyo Seamount: 
            109 three recording locations were surveyed between August 21-25, 2019 at  109 three recording locations were surveyed between August 21-25, 2019 at 
            110 28\u00b034.2715\u2019N, 140\u00b038.6216\u2019E, 1384 m (an active  110 28\u00b034.2715\u2019N, 140\u00b038.6216\u2019E, 1384 m (an active 
            111 hydrothermal vent without visible bubbling), 28\u00b034.1438\u2019N,  111 hydrothermal vent without visible bubbling), 28\u00b034.1438\u2019N, 
            112 140\u00b038.9641\u2019E, 994 m (caldera rim), and  112 140\u00b038.9641\u2019E, 994 m (caldera rim), and 
            113 28\u00b034.3288\u2019N, 140\u00b038.5758\u2019E, depth 1381 m (an  113 28\u00b034.3288\u2019N, 140\u00b038.5758\u2019E, depth 1381 m (an 
            114 active vent orifice).\r\n* Minamitorishima Island: one recording  114 active vent orifice).\r\n* Minamitorishima Island: one recording 
            115 location was surveyed on March 14, 2020  at 23\u00b005\u2019N,  115 location was surveyed on March 14, 2020  at 23\u00b005\u2019N, 
            116 153\u00b050\u2019E, depth 5500 m.\r\n\r\n#Acoustic  116 153\u00b050\u2019E, depth 5500 m.\r\n\r\n#Acoustic 
            117 Recorders\r\n\r\nTwo recording systems were used. The first system,  117 Recorders\r\n\r\nTwo recording systems were used. The first system, 
            118 designed to a depth rating of 2000 m, was deployed in Sanriku waters,  118 designed to a depth rating of 2000 m, was deployed in Sanriku waters, 
            119 Suruga Bay, and Suiyo Seamount. It was composed of a DS-850 digital  119 Suruga Bay, and Suiyo Seamount. It was composed of a DS-850 digital 
            120 recorder (Olympus, Japan) and a AQH-020D hydrophone (AquaSound Inc.,  120 recorder (Olympus, Japan) and a AQH-020D hydrophone (AquaSound Inc., 
            121 Japan). The AQH-020D hydrophone has a sensitivity of -195 dB re  121 Japan). The AQH-020D hydrophone has a sensitivity of -195 dB re 
            122 1V/\u03bcPa and a flat frequency response between 20 Hz and 20 kHz.  122 1V/\u03bcPa and a flat frequency response between 20 Hz and 20 kHz. 
            123 \r\nThe second system was designed to 6000 m depth rating (off  123 \r\nThe second system was designed to 6000 m depth rating (off 
            124 Minamitorishima Island). It was based on an LS-P4 digital recorder  124 Minamitorishima Island). It was based on an LS-P4 digital recorder 
            125 (Olympus, Japan) and a HTI-94-SSQ hydrophone (High Tech Inc., U.S.A.).  125 (Olympus, Japan) and a HTI-94-SSQ hydrophone (High Tech Inc., U.S.A.). 
            126 The HTI-94-SSQ hydrophone has a sensitivity of -198 dB re 1V/\u03bcPa  126 The HTI-94-SSQ hydrophone has a sensitivity of -198 dB re 1V/\u03bcPa 
            127 and a flat frequency response between 2 Hz and 30  127 and a flat frequency response between 2 Hz and 30 
            128 kHz.\r\n\r\n#Configuration of Audio Recording\r\n\r\n(1) Duty Cycle:  128 kHz.\r\n\r\n#Configuration of Audio Recording\r\n\r\n(1) Duty Cycle: 
            129 continuous. (2) Sampling Rate: 44.1 kHz (off Sanriku, Suruga Bay, and  129 continuous. (2) Sampling Rate: 44.1 kHz (off Sanriku, Suruga Bay, and 
            130 Suiyo Seamount) and 88.2 kHz (off Minamitorishima Island). (3)  130 Suiyo Seamount) and 88.2 kHz (off Minamitorishima Island). (3) 
            131 Channels: 1 (single input but stereo output). (4) File Format: WAV.  131 Channels: 1 (single input but stereo output). (4) File Format: WAV. 
            132 (5) Audio Gain: High. (6) High Pass Filter: Off.\r\n\r\n#Field  132 (5) Audio Gain: High. (6) High Pass Filter: Off.\r\n\r\n#Field 
            133 Deployment\r\n\r\nAt each deployment, one recorder was fixed at the  133 Deployment\r\n\r\nAt each deployment, one recorder was fixed at the 
            134 seafloor. Each deployment lasted for from a few hours to a maximum of  134 seafloor. Each deployment lasted for from a few hours to a maximum of 
            135 two days. Deployment and recovery of recorders were conducted by free  135 two days. Deployment and recovery of recorders were conducted by free 
            136 fall camera systems (off Sanriku), Edokko Mark 1 (Suruga Bay and off  136 fall camera systems (off Sanriku), Edokko Mark 1 (Suruga Bay and off 
            137 Minamitorishima Island), DSV Shinkai 6500 (Suiyo Seamount).  137 Minamitorishima Island), DSV Shinkai 6500 (Suiyo Seamount). 
            138 Operational noises produced from these deep-sea observation platforms  138 Operational noises produced from these deep-sea observation platforms 
            139 and research vessels were also recorded. \r\n\r\n#Data  139 and research vessels were also recorded. \r\n\r\n#Data 
            140 Processing\r\n\r\nWe used the  140 Processing\r\n\r\nWe used the 
            141 [LTSA_gui](https://github.com/schonkopf/long-term-spectrogram) to  141 [LTSA_gui](https://github.com/schonkopf/long-term-spectrogram) to 
            142 generate long-term spectrograms (LTS) and save the LTS in mat files.  142 generate long-term spectrograms (LTS) and save the LTS in mat files. 
            143 Each mat file contains median-based LTS and mean-based LTS.  143 Each mat file contains median-based LTS and mean-based LTS. 
            144 Median-based LTS was obtained by measuring median power spectral  144 Median-based LTS was obtained by measuring median power spectral 
            145 densities within each 1-min segment. Mean-based LTS was obtained by  145 densities within each 1-min segment. Mean-based LTS was obtained by 
            146 measuring mean power spectral densities within each 1-min segment.  146 measuring mean power spectral densities within each 1-min segment. 
            147 Both types of LTS have a frequency resolution of 10  147 Both types of LTS have a frequency resolution of 10 
            148 Hz.\r\n\r\n#Associated Publication\r\n\r\nChong Chen, Tzu-Hao Lin,  148 Hz.\r\n\r\n#Associated Publication\r\n\r\nChong Chen, Tzu-Hao Lin, 
            149 Hiromi Kayama Watanabe, Tomonari Akamatsu, Shinsuke Kawagucci (2021)  149 Hiromi Kayama Watanabe, Tomonari Akamatsu, Shinsuke Kawagucci (2021) 
            150 Baseline soundscapes of deep-sea habitats reveal heterogeneity among  150 Baseline soundscapes of deep-sea habitats reveal heterogeneity among 
            151 ecosystems and sensitivity to anthropogenic impacts. [Limnology and  151 ecosystems and sensitivity to anthropogenic impacts. [Limnology and 
            152 Oceanography, 66: 3714-3727.](https://doi.org/10.1002/lno.11911)\r\n", 152 Oceanography, 66: 3714-3727.](https://doi.org/10.1002/lno.11911)\r\n",
            153   "num_resources": 11, 153   "num_resources": 11,
            154   "num_tags": 15, 154   "num_tags": 15,
            155   "organization": { 155   "organization": {
            156     "approval_status": "approved", 156     "approval_status": "approved",
            157     "created": "2019-03-20T13:50:26.711089", 157     "created": "2019-03-20T13:50:26.711089",
            158     "description": "[Project  158     "description": "[Project 
            159 s://meil.biodiv.tw/projects/biodiversity-listening-project)\r\n\r\nThe  159 s://meil.biodiv.tw/projects/biodiversity-listening-project)\r\n\r\nThe 
            160 ocean is full of sounds that are generated from geophysical events,  160 ocean is full of sounds that are generated from geophysical events, 
            161 marine animals, and human activities. By using a hydrophone (a  161 marine animals, and human activities. By using a hydrophone (a 
            162 microphone for underwater use), we can hear chirps of marine mammals,  162 microphone for underwater use), we can hear chirps of marine mammals, 
            163 choruses of soniferous fish, and pulsed sounds of benthic  163 choruses of soniferous fish, and pulsed sounds of benthic 
            164 invertebrates. These bioacoustic signals reveal the status of marine  164 invertebrates. These bioacoustic signals reveal the status of marine 
            165 biodiversity and ecosystem health. On the other hand, the increased  165 biodiversity and ecosystem health. On the other hand, the increased 
            166 maritime traffic, over-exploitation of marine resources, and the  166 maritime traffic, over-exploitation of marine resources, and the 
            167 development of renewable energy have led to a global increase in  167 development of renewable energy have led to a global increase in 
            168 underwater noise. Listening to underwater sounds allows us to remotely  168 underwater noise. Listening to underwater sounds allows us to remotely 
            169 acquire ecological data of marine biodiversity and investigate the  169 acquire ecological data of marine biodiversity and investigate the 
            170 changes of biodiversity in response to climate change and  170 changes of biodiversity in response to climate change and 
            171 anthropogenic development.\r\n\r\nIn this project, we attempt to  171 anthropogenic development.\r\n\r\nIn this project, we attempt to 
            172 establish a large-scale soundscape monitoring network and characterize  172 establish a large-scale soundscape monitoring network and characterize 
            173 ecosystem-specific soundscapes by separating sounds from geophonic,  173 ecosystem-specific soundscapes by separating sounds from geophonic, 
            174 biological, and anthropogenic sources. Based on information retrieval  174 biological, and anthropogenic sources. Based on information retrieval 
            175 techniques, the acoustic data are transformed into metrics that  175 techniques, the acoustic data are transformed into metrics that 
            176 describe the quality of acoustic habitat, the behavior of soniferous  176 describe the quality of acoustic habitat, the behavior of soniferous 
            177 animals, and noise-generating activities. The outcomes will allow  177 animals, and noise-generating activities. The outcomes will allow 
            178 managers and stakeholders to use soundscape information to monitor the  178 managers and stakeholders to use soundscape information to monitor the 
            179 trends of marine ecosystems and perform data-driven decision making in  179 trends of marine ecosystems and perform data-driven decision making in 
            180 conservation management.", 180 conservation management.",
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            437       "description": "An example long-term spectrogram of audio  428       "description": "An example long-term spectrogram of audio 
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            592   ], 581   ],
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            595   "type": "dataset", 584   "type": "dataset",
            596   "url": null, 585   "url": null,
            597   "version": null 586   "version": null
            598 } 587 }