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{
f
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{
            
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  "author": "Tzu-Hao Lin, Chong Chen, Hiromi Kayama Watanabe, Tomonari 
2
  "author": "Tzu-Hao Lin, Chong Chen, Hiromi Kayama Watanabe, Tomonari 
            
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Akamatsu, Shinsuke Kawagucci",
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Akamatsu, Shinsuke Kawagucci",
            
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  "author_email": null,
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  "author_email": null,
            
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  "contact_email": "schonkopf@gmail.com",
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  "contact_email": "schonkopf@gmail.com",
            
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  "contact_person": "Tzu-Hao Lin",
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  "contact_person": "Tzu-Hao Lin",
            
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  "creator_user_id": "4ed8099e-7518-41c7-8092-cc9c3f0a07eb",
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  "creator_user_id": "4ed8099e-7518-41c7-8092-cc9c3f0a07eb",
            
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  "data_type": [
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  "data_type": [
            
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    "code",
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    "code",
            
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    "multimedia",
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    "multimedia",
            
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    "science"
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    "science"
            
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  ],
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  ],
            
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  "end_time": "2020-03",
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  "end_time": "2020-03",
            
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  "groups": [],
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  "groups": [
            
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    {
            
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      "description": "",
            
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      "display_name": "03. \u5730\u7406\u8207\u5730\u65b9 / Geography 
            
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and places",
            
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      "id": "e9812826-5fb1-491c-b23c-913426b378b8",
            
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      "image_display_url": 
            
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192.168.96.69:5002/uploads/group/2018-10-23-062820.015087icon-03.jpg",
            
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      "name": "geography-and-places",
            
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      "title": "03. \u5730\u7406\u8207\u5730\u65b9 / Geography and 
            
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places"
            
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    },
            
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    {
            
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      "description": "",
            
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      "display_name": "08. \u81ea\u7136\u8207\u7269\u7406\u79d1\u5b78 
            
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/ Natural and physical sciences",
            
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      "id": "041eefbf-2eb2-4aff-9aed-5631d17cc465",
            
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      "image_display_url": 
            
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192.168.96.69:5002/uploads/group/2018-10-23-063044.410318icon-08.jpg",
            
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      "name": "natural-and-physical-sciences",
            
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      "title": "08. \u81ea\u7136\u8207\u7269\u7406\u79d1\u5b78 / 
            
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Natural and physical sciences"
            
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    },
            
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    {
            
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      "description": "",
            
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      "display_name": "Asian Soundscape Monitoring Network ",
            
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      "id": "1bcc1993-657e-4e12-933c-63b780064000",
            
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      "image_display_url": "",
            
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      "name": "asian-soundscape-monitoring-network",
            
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      "title": "Asian Soundscape Monitoring Network "
            
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    },
            
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    {
            
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      "description": 
            
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2a\u6f6e\u3001\u6d77\u5cb8\u8cc7\u8a0a\u3001\u6697\u7901\u3002Features 
            
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and characteristics of salt water bodies (excluding inland waters). 
            
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Examples: tides, tidal waves, coastal information, reefs.",
            
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      "display_name": "[ISO19115] \u6d77\u6d0b\u8cc7\u8a0a\u985e / 
            
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Oceans",
            
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      "id": "ea43fdab-1e00-449b-88b1-ed15e56120eb",
            
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      "image_display_url": "",
            
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      "name": "oceans",
            
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      "title": "[ISO19115] \u6d77\u6d0b\u8cc7\u8a0a\u985e / Oceans"
            
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    },
            
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    {
            
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      "description": 
            
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u6d0b\u751f\u6d3b\u3001\u6ebc\u5730\u3001\u68f2\u606f\u5730\u3002Flora 
            
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and/or fauna in natural environment. Examples: wildlife, vegetation, 
            
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biological sciences, ecology, wilderness, sealife, wetlands, 
            
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habitat.",
            
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      "display_name": "[ISO19115] \u751f\u7269\u751f\u614b\u985e / 
            
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Biota",
            
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      "id": "234ceb65-658b-46c4-95ad-68d6356523ce",
            
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      "image_display_url": "",
            
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      "name": "biota",
            
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      "title": "[ISO19115] \u751f\u7269\u751f\u614b\u985e / Biota"
            
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    }
            
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  ],
            
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  "id": "c0c7d9a4-c9e0-4a5d-9740-884817af13f7",
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  "id": "c0c7d9a4-c9e0-4a5d-9740-884817af13f7",
            
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  "isopen": true,
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  "isopen": true,
            
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  "keywords": [
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  "keywords": [
            
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    "Q686881",
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    "Q686881",
            
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    "Q1358257",
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    "Q1358257",
            
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    "Q5250646"
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    "Q5250646"
            
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  ],
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  ],
            
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  "language": [
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  "language": [
            
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    "eng"
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    "eng"
            
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  ],
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  ],
            
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  "license_id": "cc-by",
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  "license_id": "cc-by",
            
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  "license_title": "CC-BY 4.0",
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  "license_title": "CC-BY 4.0",
            
27
  "license_url": "https://creativecommons.org/licenses/by/4.0/",
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  "license_url": "https://creativecommons.org/licenses/by/4.0/",
            
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  "maintainer": null,
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  "maintainer": null,
            
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  "maintainer_email": null,
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  "maintainer_email": null,
            
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  "metadata_created": "2021-06-07T06:22:53.324633",
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  "metadata_created": "2021-06-07T06:22:53.324633",
            
31
  "metadata_modified": "2021-08-31T17:05:35.910023",
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  "metadata_modified": "2021-08-31T17:05:35.910023",
            
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  "name": "deep-sea-soundscapes-of-japan",
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  "name": "deep-sea-soundscapes-of-japan",
            
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  "notes": "This dataset is an archive of acoustic data associated 
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  "notes": "This dataset is an archive of acoustic data associated 
            
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with the deep-sea soundscapes of Japan. Python codes to visualize the 
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with the deep-sea soundscapes of Japan. Python codes to visualize the 
            
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audio data are also provided in a notebook based on Google 
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audio data are also provided in a notebook based on Google 
            
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Colab.\r\n\r\n__Recording Locations__\r\n\r\nFour deep-sea ecosystems 
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Colab.\r\n\r\n__Recording Locations__\r\n\r\nFour deep-sea ecosystems 
            
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around Japan were recorded. This includes the benthic habitats off 
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around Japan were recorded. This includes the benthic habitats off 
            
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Sanriku, the twilight zone of Suruga Bay, the hydrothermal vents of 
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Sanriku, the twilight zone of Suruga Bay, the hydrothermal vents of 
            
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Suiyo Seamount, and the abyssal plains off Minamitorishima 
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Suiyo Seamount, and the abyssal plains off Minamitorishima 
            
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Island.\r\n\r\n* Off Sanriku: multiple recording locations were 
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Island.\r\n\r\n* Off Sanriku: multiple recording locations were 
            
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surveyed between July 21 and August 5, 2019 within an area enclosed by 
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surveyed between July 21 and August 5, 2019 within an area enclosed by 
            
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39\u00b002.3486\u2019N, 39\u00b024.1055\u2019N, 
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39\u00b002.3486\u2019N, 39\u00b024.1055\u2019N, 
            
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142\u00b008.2092\u2019E, and 142\u00b027.0315\u2019E. The depth range 
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142\u00b008.2092\u2019E, and 142\u00b027.0315\u2019E. The depth range 
            
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was between 250-1011 m.\r\n* Suruga Bay: one recording location was 
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was between 250-1011 m.\r\n* Suruga Bay: one recording location was 
            
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surveyed November 4-5, 2019 at 34\u00b058.3952\u2019N, 
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surveyed November 4-5, 2019 at 34\u00b058.3952\u2019N, 
            
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138\u00b043.2089\u2019E. The depth was 1686 m.\r\n* Suiyo Seamount: 
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138\u00b043.2089\u2019E. The depth was 1686 m.\r\n* Suiyo Seamount: 
            
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three recording locations were surveyed between August 21-25, 2019 at 
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three recording locations were surveyed between August 21-25, 2019 at 
            
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28\u00b034.2715\u2019N, 140\u00b038.6216\u2019E, 1384 m (an active 
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28\u00b034.2715\u2019N, 140\u00b038.6216\u2019E, 1384 m (an active 
            
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hydrothermal vent without visible bubbling), 28\u00b034.1438\u2019N, 
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hydrothermal vent without visible bubbling), 28\u00b034.1438\u2019N, 
            
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140\u00b038.9641\u2019E, 994 m (caldera rim), and 
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140\u00b038.9641\u2019E, 994 m (caldera rim), and 
            
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28\u00b034.3288\u2019N, 140\u00b038.5758\u2019E, depth 1381 m (an 
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28\u00b034.3288\u2019N, 140\u00b038.5758\u2019E, depth 1381 m (an 
            
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active vent orifice).\r\n* Minamitorishima Island: one recording 
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active vent orifice).\r\n* Minamitorishima Island: one recording 
            
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location was surveyed on March 14, 2020  at 23\u00b005\u2019N, 
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location was surveyed on March 14, 2020  at 23\u00b005\u2019N, 
            
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153\u00b050\u2019E, depth 5500 m.\r\n\r\n__Acoustic 
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153\u00b050\u2019E, depth 5500 m.\r\n\r\n__Acoustic 
            
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Recorders__\r\n\r\nTwo recording systems were used. The first system, 
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Recorders__\r\n\r\nTwo recording systems were used. The first system, 
            
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designed to a depth rating of 2000 m, was deployed in Sanriku waters, 
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designed to a depth rating of 2000 m, was deployed in Sanriku waters, 
            
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Suruga Bay, and Suiyo Seamount. It was composed of a DS-850 digital 
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Suruga Bay, and Suiyo Seamount. It was composed of a DS-850 digital 
            
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recorder (Olympus, Japan) and a AQH-020D hydrophone (AquaSound Inc., 
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recorder (Olympus, Japan) and a AQH-020D hydrophone (AquaSound Inc., 
            
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Japan). The AQH-020D hydrophone has a sensitivity of -195 dB re 
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Japan). The AQH-020D hydrophone has a sensitivity of -195 dB re 
            
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1V/\u03bcPa and a flat frequency response between 20 Hz and 20 kHz. 
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1V/\u03bcPa and a flat frequency response between 20 Hz and 20 kHz. 
            
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\r\nThe second system was designed to 6000 m depth rating (off 
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\r\nThe second system was designed to 6000 m depth rating (off 
            
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Minamitorishima Island). It was based on an LS-P4 digital recorder 
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Minamitorishima Island). It was based on an LS-P4 digital recorder 
            
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(Olympus, Japan) and a HTI-94-SSQ hydrophone (High Tech Inc., U.S.A.). 
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(Olympus, Japan) and a HTI-94-SSQ hydrophone (High Tech Inc., U.S.A.). 
            
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The HTI-94-SSQ hydrophone has a sensitivity of -198 dB re 1V/\u03bcPa 
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The HTI-94-SSQ hydrophone has a sensitivity of -198 dB re 1V/\u03bcPa 
            
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and a flat frequency response between 2 Hz and 30 
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and a flat frequency response between 2 Hz and 30 
            
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kHz.\r\n\r\n__Configuration of Audio Recording__\r\n\r\n(1) Duty 
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kHz.\r\n\r\n__Configuration of Audio Recording__\r\n\r\n(1) Duty 
            
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Cycle: continuous. (2) Sampling Rate: 44.1 kHz (off Sanriku, Suruga 
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Cycle: continuous. (2) Sampling Rate: 44.1 kHz (off Sanriku, Suruga 
            
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Bay, and Suiyo Seamount) and 88.2 kHz (off Minamitorishima Island). 
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Bay, and Suiyo Seamount) and 88.2 kHz (off Minamitorishima Island). 
            
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(3) Channels: 1 (single input but stereo output). (4) File Format: 
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(3) Channels: 1 (single input but stereo output). (4) File Format: 
            
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WAV. (5) Audio Gain: High. (6) High Pass Filter: Off.\r\n\r\n__Field 
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WAV. (5) Audio Gain: High. (6) High Pass Filter: Off.\r\n\r\n__Field 
            
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Deployment__\r\n\r\nAt each deployment, one recorder was fixed at the 
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Deployment__\r\n\r\nAt each deployment, one recorder was fixed at the 
            
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seafloor. Each deployment lasted for from a few hours to a maximum of 
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seafloor. Each deployment lasted for from a few hours to a maximum of 
            
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two days. Deployment and recovery of recorders were conducted by free 
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two days. Deployment and recovery of recorders were conducted by free 
            
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fall camera systems (off Sanriku), Edokko Mark 1 (Suruga Bay and off 
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fall camera systems (off Sanriku), Edokko Mark 1 (Suruga Bay and off 
            
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Minamitorishima Island), DSV Shinkai 6500 (Suiyo Seamount). 
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Minamitorishima Island), DSV Shinkai 6500 (Suiyo Seamount). 
            
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Operational noises produced from these deep-sea observation platforms 
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Operational noises produced from these deep-sea observation platforms 
            
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and research vessels were also recorded. \r\n\r\n__Data 
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and research vessels were also recorded. \r\n\r\n__Data 
            
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Processing__\r\n\r\nWe used the 
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Processing__\r\n\r\nWe used the 
            
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[LTSA_gui](https://github.com/schonkopf/long-term-spectrogram) to 
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[LTSA_gui](https://github.com/schonkopf/long-term-spectrogram) to 
            
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generate long-term spectrograms (LTS) and save the LTS in mat files. 
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generate long-term spectrograms (LTS) and save the LTS in mat files. 
            
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Each mat file contains median-based LTS and mean-based LTS. 
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Each mat file contains median-based LTS and mean-based LTS. 
            
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Median-based LTS was obtained by measuring median power spectral 
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Median-based LTS was obtained by measuring median power spectral 
            
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densities within each 1-min segment. Mean-based LTS was obtained by 
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densities within each 1-min segment. Mean-based LTS was obtained by 
            
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measuring mean power spectral densities within each 1-min segment. 
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measuring mean power spectral densities within each 1-min segment. 
            
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Both types of LTS have a frequency resolution of 10 
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Both types of LTS have a frequency resolution of 10 
            
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Hz.\r\n\r\n__Associated Publication__\r\n\r\nChong Chen, Tzu-Hao Lin, 
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Hz.\r\n\r\n__Associated Publication__\r\n\r\nChong Chen, Tzu-Hao Lin, 
            
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Hiromi Kayama Watanabe, Tomonari Akamatsu, Shinsuke Kawagucci (2021) 
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Hiromi Kayama Watanabe, Tomonari Akamatsu, Shinsuke Kawagucci (2021) 
            
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Baseline soundscapes of deep-sea habitats reveal heterogeneity among 
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Baseline soundscapes of deep-sea habitats reveal heterogeneity among 
            
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ecosystems and sensitivity to anthropogenic impacts. [Limnology and 
145
ecosystems and sensitivity to anthropogenic impacts. [Limnology and 
            
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Oceanography, early view.](https://doi.org/10.1002/lno.11911)\r\n",
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Oceanography, early view.](https://doi.org/10.1002/lno.11911)\r\n",
            
n
91
  "num_resources": 7,
n
147
  "num_resources": 8,
            
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  "num_tags": 15,
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  "num_tags": 15,
            
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  "organization": {
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  "organization": {
            
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    "approval_status": "approved",
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    "approval_status": "approved",
            
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    "created": "2019-03-20T13:50:26.711089",
151
    "created": "2019-03-20T13:50:26.711089",
            
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    "description": "[Project 
152
    "description": "[Project 
            
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s://meil.biodiv.tw/projects/biodiversity-listening-project)\r\n\r\nThe 
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s://meil.biodiv.tw/projects/biodiversity-listening-project)\r\n\r\nThe 
            
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ocean is full of sounds that are generated from geophysical events, 
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ocean is full of sounds that are generated from geophysical events, 
            
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marine animals, and human activities. By using a hydrophone (a 
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marine animals, and human activities. By using a hydrophone (a 
            
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microphone for underwater use), we can hear chirps of marine mammals, 
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microphone for underwater use), we can hear chirps of marine mammals, 
            
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choruses of soniferous fish, and pulsed sounds of benthic 
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choruses of soniferous fish, and pulsed sounds of benthic 
            
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invertebrates. These bioacoustic signals reveal the status of marine 
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invertebrates. These bioacoustic signals reveal the status of marine 
            
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biodiversity and ecosystem health. On the other hand, the increased 
159
biodiversity and ecosystem health. On the other hand, the increased 
            
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maritime traffic, over-exploitation of marine resources, and the 
160
maritime traffic, over-exploitation of marine resources, and the 
            
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development of renewable energy have led to a global increase in 
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development of renewable energy have led to a global increase in 
            
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underwater noise. Listening to underwater sounds allows us to remotely 
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underwater noise. Listening to underwater sounds allows us to remotely 
            
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acquire ecological data of marine biodiversity and investigate the 
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acquire ecological data of marine biodiversity and investigate the 
            
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changes of biodiversity in response to climate change and 
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changes of biodiversity in response to climate change and 
            
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anthropogenic development.\r\n\r\nIn this project, we attempt to 
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anthropogenic development.\r\n\r\nIn this project, we attempt to 
            
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establish a large-scale soundscape monitoring network and characterize 
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establish a large-scale soundscape monitoring network and characterize 
            
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ecosystem-specific soundscapes by separating sounds from geophonic, 
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ecosystem-specific soundscapes by separating sounds from geophonic, 
            
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biological, and anthropogenic sources. Based on information retrieval 
168
biological, and anthropogenic sources. Based on information retrieval 
            
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techniques, the acoustic data are transformed into metrics that 
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techniques, the acoustic data are transformed into metrics that 
            
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describe the quality of acoustic habitat, the behavior of soniferous 
170
describe the quality of acoustic habitat, the behavior of soniferous 
            
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animals, and noise-generating activities. The outcomes will allow 
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animals, and noise-generating activities. The outcomes will allow 
            
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managers and stakeholders to use soundscape information to monitor the 
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managers and stakeholders to use soundscape information to monitor the 
            
117
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      "name": "Twilight zone",
            
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  "title": "Deep-sea soundscapes of Japan",
            
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}