当サイトでは、より良いサービスを提供するため、クッキーを利用しています。クッキーの使用に同意いただける場合は「同意」ボタンをクリックし、クッキーポリシーについては「詳細を見る」をクリックしてください。詳しくは当サイトの サイトポリシー をご確認ください。

詳細を見る...
ログイン サインアップ
言語:

WEKO3

  • トップ
  • ランキング
To

Field does not validate



インデックスリンク

インデックスツリー

  • RootNode

メールアドレスを入力してください。

WEKO

One fine body…

WEKO

One fine body…

アイテム

{"_buckets": {"deposit": "e4e5c4df-d5f3-43d1-b654-9c7ec207e9af"}, "_deposit": {"id": "4160", "owners": [1], "pid": {"revision_id": 0, "type": "depid", "value": "4160"}, "status": "published"}, "_oai": {"id": "oai:nied-repo.bosai.go.jp:00004160", "sets": []}, "author_link": [], "item_10001_biblio_info_7": {"attribute_name": "書誌情報", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "2012-08"}, "bibliographicIssueNumber": "6", "bibliographicPageEnd": "1519", "bibliographicPageStart": "1509", "bibliographicVolumeNumber": "74", "bibliographic_titles": [{"bibliographic_title": "BULLETIN OF VOLCANOLOGY", "bibliographic_titleLang": "en"}]}]}, "item_10001_description_5": {"attribute_name": "抄録", "attribute_value_mlt": [{"subitem_description": "Measurements of visible and diffuse gas emission were conducted in 2006 at the summit of Sierra Negra volcano, Galapagos, with the aim to better characterize degassing after the 2005 eruption. A total SO2 emission of 11 +/- 2 t day(-1) was derived from miniature differential optical absorption spectrometer (mini-DOAS) ground-based measurements of the plume emanating from the Mini Azufral fumarolic area, the most important site of visible degassing at Sierra Negra volcano. Using a portable multigas system, the H2S/SO2, CO2/SO2, and H2O/SO2 molar ratios in the Mina Azufral plume emissions were found to be 0.41, 52.2, and 867.9, respectively. The corresponding H2O, CO2, and H2S emission rates were 562, 394, and 3 t day(-1), respectively. The total output of diffuse CO2 emissions from the summit of Sierra Negra volcano was 990 +/- 85 t day(-1), with 605 t day(-1) being released by a deep source. The diffuse-to-plume CO2 emission ratio was about 1.5. Mina Azufral fumaroles released gasses containing 73.6 mol% of H2O; the main noncondensable components amounted to 97.4 mol% CO2, 1.5 mol% SO2, 0.6 mol% H2S, and 0.35 mol% N-2. The higher H2S/SO2 ratio values found in 2006 as compared to those reported before the 2005 eruption reveal a significant hydrothermal contribution to the fumarolic emissions. He-3/He-4 ratios measured at Mina Azufral fumarolic discharges showed values of 17.88 +/- 0.25 R (A) , indicating a mid-ocean ridge basalts (MORB) and a Galapagos plume contribution of 53 and 47 %, respectively.", "subitem_description_language": "en", "subitem_description_type": "Other"}]}, "item_10001_publisher_8": {"attribute_name": "出版者", "attribute_value_mlt": [{"subitem_publisher": "SPRINGER", "subitem_publisher_language": "en"}]}, "item_10001_relation_14": {"attribute_name": "DOI", "attribute_value_mlt": [{"subitem_relation_type_id": {"subitem_relation_type_id_text": "10.1007/s00445-012-0610-4"}}]}, "item_10001_source_id_9": {"attribute_name": "ISSN", "attribute_value_mlt": [{"subitem_source_identifier": "1432-0819", "subitem_source_identifier_type": "EISSN"}]}, "item_creator": {"attribute_name": "著者", "attribute_type": "creator", "attribute_value_mlt": [{"creatorNames": [{"creatorName": "Eleazar Padron", "creatorNameLang": "en"}]}, {"creatorNames": [{"creatorName": "Pedro A. Hernandez", "creatorNameLang": "en"}]}, {"creatorNames": [{"creatorName": "Nemesio M. Perez", "creatorNameLang": "en"}]}, {"creatorNames": [{"creatorName": "Theofilos Toulkeridis", "creatorNameLang": "en"}]}, {"creatorNames": [{"creatorName": "Gladys Melian", "creatorNameLang": "en"}]}, {"creatorNames": [{"creatorName": "Jose Barrancos", "creatorNameLang": "en"}]}, {"creatorNames": [{"creatorName": "Giorgio Virgili", "creatorNameLang": "en"}]}, {"creatorNames": [{"creatorName": "Hirochika Sumino", "creatorNameLang": "en"}]}, {"creatorNames": [{"creatorName": "Kenji Notsu", "creatorNameLang": "en"}]}]}, "item_language": {"attribute_name": "言語", "attribute_value_mlt": [{"subitem_language": "eng"}]}, "item_title": "Fumarole/plume and diffuse CO2 emission from Sierra Negra caldera, Galapagos archipelago", "item_titles": {"attribute_name": "タイトル", "attribute_value_mlt": [{"subitem_title": "Fumarole/plume and diffuse CO2 emission from Sierra Negra caldera, Galapagos archipelago", "subitem_title_language": "en"}]}, "item_type_id": "40001", "owner": "1", "path": ["1670839190650"], "permalink_uri": "https://nied-repo.bosai.go.jp/records/4160", "pubdate": {"attribute_name": "PubDate", "attribute_value": "2023-03-30"}, "publish_date": "2023-03-30", "publish_status": "0", "recid": "4160", "relation": {}, "relation_version_is_last": true, "title": ["Fumarole/plume and diffuse CO2 emission from Sierra Negra caldera, Galapagos archipelago"], "weko_shared_id": -1}
  1. 防災科研関係論文

Fumarole/plume and diffuse CO2 emission from Sierra Negra caldera, Galapagos archipelago

https://nied-repo.bosai.go.jp/records/4160
https://nied-repo.bosai.go.jp/records/4160
0394d1c8-a1d1-4fa8-aa61-0523576ef945
Item type researchmap(1)
公開日 2023-03-30
タイトル
言語 en
タイトル Fumarole/plume and diffuse CO2 emission from Sierra Negra caldera, Galapagos archipelago
言語
言語 eng
著者 Eleazar Padron

× Eleazar Padron

en Eleazar Padron

Search repository
Pedro A. Hernandez

× Pedro A. Hernandez

en Pedro A. Hernandez

Search repository
Nemesio M. Perez

× Nemesio M. Perez

en Nemesio M. Perez

Search repository
Theofilos Toulkeridis

× Theofilos Toulkeridis

en Theofilos Toulkeridis

Search repository
Gladys Melian

× Gladys Melian

en Gladys Melian

Search repository
Jose Barrancos

× Jose Barrancos

en Jose Barrancos

Search repository
Giorgio Virgili

× Giorgio Virgili

en Giorgio Virgili

Search repository
Hirochika Sumino

× Hirochika Sumino

en Hirochika Sumino

Search repository
Kenji Notsu

× Kenji Notsu

en Kenji Notsu

Search repository
抄録
内容記述タイプ Other
内容記述 Measurements of visible and diffuse gas emission were conducted in 2006 at the summit of Sierra Negra volcano, Galapagos, with the aim to better characterize degassing after the 2005 eruption. A total SO2 emission of 11 +/- 2 t day(-1) was derived from miniature differential optical absorption spectrometer (mini-DOAS) ground-based measurements of the plume emanating from the Mini Azufral fumarolic area, the most important site of visible degassing at Sierra Negra volcano. Using a portable multigas system, the H2S/SO2, CO2/SO2, and H2O/SO2 molar ratios in the Mina Azufral plume emissions were found to be 0.41, 52.2, and 867.9, respectively. The corresponding H2O, CO2, and H2S emission rates were 562, 394, and 3 t day(-1), respectively. The total output of diffuse CO2 emissions from the summit of Sierra Negra volcano was 990 +/- 85 t day(-1), with 605 t day(-1) being released by a deep source. The diffuse-to-plume CO2 emission ratio was about 1.5. Mina Azufral fumaroles released gasses containing 73.6 mol% of H2O; the main noncondensable components amounted to 97.4 mol% CO2, 1.5 mol% SO2, 0.6 mol% H2S, and 0.35 mol% N-2. The higher H2S/SO2 ratio values found in 2006 as compared to those reported before the 2005 eruption reveal a significant hydrothermal contribution to the fumarolic emissions. He-3/He-4 ratios measured at Mina Azufral fumarolic discharges showed values of 17.88 +/- 0.25 R (A) , indicating a mid-ocean ridge basalts (MORB) and a Galapagos plume contribution of 53 and 47 %, respectively.
言語 en
書誌情報 en : BULLETIN OF VOLCANOLOGY

巻 74, 号 6, p. 1509-1519
出版者
言語 en
出版者 SPRINGER
ISSN
収録物識別子タイプ EISSN
収録物識別子 1432-0819
DOI
関連識別子 10.1007/s00445-012-0610-4
戻る
0
views
See details
Views

Versions

Ver.1 2023-03-31 01:46:14.863886
Show All versions

エクスポート

OAI-PMH
  • OAI-PMH JPCOAR
  • OAI-PMH DublinCore
  • OAI-PMH DDI
Other Formats
  • JSON
  • BIBTEX

Confirm


Powered by WEKO3

Change consent settings


Powered by WEKO3

Change consent settings