Origin of interstitial water beneath the continental shelf offshore northwestern Australia: insights from hydrogen and oxygen isotope compositions
Abstract We analyzed the hydrogen and oxygen isotope compositions of interstitial water collected from Miocene–Quaternary carbonate platforms beneath the continental shelf margin off northwestern Australia during the International Ocean Discovery Program Expedition 356. By integrating isotope data w...
Saved in:
| Main Authors: | , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
SpringerOpen
2025-06-01
|
| Series: | Progress in Earth and Planetary Science |
| Subjects: | |
| Online Access: | https://doi.org/10.1186/s40645-025-00722-6 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1850109858230042624 |
|---|---|
| author | Kosuke Yoshii Hideko Takayanagi Toshihiro Miyajima Lars Reuning Kazuyuki Yamamoto Yasufumi Iryu |
| author_facet | Kosuke Yoshii Hideko Takayanagi Toshihiro Miyajima Lars Reuning Kazuyuki Yamamoto Yasufumi Iryu |
| author_sort | Kosuke Yoshii |
| collection | DOAJ |
| description | Abstract We analyzed the hydrogen and oxygen isotope compositions of interstitial water collected from Miocene–Quaternary carbonate platforms beneath the continental shelf margin off northwestern Australia during the International Ocean Discovery Program Expedition 356. By integrating isotope data with onboard salinity and chemical concentration measurements, we investigated the behavior of interstitial water in this continental shelf system. The interstitial water was classified into three groups based on salinity. Group 1 (salinity = 34−40) consisted of upper low-salinity water infiltrating from the modern seafloor, transitioning downward into highly saline water. This high-salinity water likely formed in situ during glacial periods. Group 3, characterized by extremely high salinity (salinity = 101−153), likely originated from the Late Miocene seawater modified by evaporation in an arid coastal environment. Group 2 (salinity = 43−98) represented a mixture of Groups 1 and 3. This study offers valuable insights into the hydrology of modern and ancient carbonate platforms, with implications for similar systems worldwide. |
| format | Article |
| id | doaj-art-5094c5e0fb6a4ccfa1fe7b39daeb3547 |
| institution | OA Journals |
| issn | 2197-4284 |
| language | English |
| publishDate | 2025-06-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | Progress in Earth and Planetary Science |
| spelling | doaj-art-5094c5e0fb6a4ccfa1fe7b39daeb35472025-08-20T02:37:58ZengSpringerOpenProgress in Earth and Planetary Science2197-42842025-06-0112112310.1186/s40645-025-00722-6Origin of interstitial water beneath the continental shelf offshore northwestern Australia: insights from hydrogen and oxygen isotope compositionsKosuke Yoshii0Hideko Takayanagi1Toshihiro Miyajima2Lars Reuning3Kazuyuki Yamamoto4Yasufumi Iryu5Japan Organization for Metals and Energy Security (JOGMEC)Institute of Geology and Paleontology, Graduate School of Science, Tohoku UniversityAtmosphere and Ocean Research Institute, The University of TokyoDepartment of Earth Science, Faculty of Mathematics and Natural Sciences, Institute of Geosciences, Kiel UniversityTechnical Division, INPEX CorporationInstitute of Geology and Paleontology, Graduate School of Science, Tohoku UniversityAbstract We analyzed the hydrogen and oxygen isotope compositions of interstitial water collected from Miocene–Quaternary carbonate platforms beneath the continental shelf margin off northwestern Australia during the International Ocean Discovery Program Expedition 356. By integrating isotope data with onboard salinity and chemical concentration measurements, we investigated the behavior of interstitial water in this continental shelf system. The interstitial water was classified into three groups based on salinity. Group 1 (salinity = 34−40) consisted of upper low-salinity water infiltrating from the modern seafloor, transitioning downward into highly saline water. This high-salinity water likely formed in situ during glacial periods. Group 3, characterized by extremely high salinity (salinity = 101−153), likely originated from the Late Miocene seawater modified by evaporation in an arid coastal environment. Group 2 (salinity = 43−98) represented a mixture of Groups 1 and 3. This study offers valuable insights into the hydrology of modern and ancient carbonate platforms, with implications for similar systems worldwide.https://doi.org/10.1186/s40645-025-00722-6North West shelfCarbonate platformGeohydrologyMiocene |
| spellingShingle | Kosuke Yoshii Hideko Takayanagi Toshihiro Miyajima Lars Reuning Kazuyuki Yamamoto Yasufumi Iryu Origin of interstitial water beneath the continental shelf offshore northwestern Australia: insights from hydrogen and oxygen isotope compositions Progress in Earth and Planetary Science North West shelf Carbonate platform Geohydrology Miocene |
| title | Origin of interstitial water beneath the continental shelf offshore northwestern Australia: insights from hydrogen and oxygen isotope compositions |
| title_full | Origin of interstitial water beneath the continental shelf offshore northwestern Australia: insights from hydrogen and oxygen isotope compositions |
| title_fullStr | Origin of interstitial water beneath the continental shelf offshore northwestern Australia: insights from hydrogen and oxygen isotope compositions |
| title_full_unstemmed | Origin of interstitial water beneath the continental shelf offshore northwestern Australia: insights from hydrogen and oxygen isotope compositions |
| title_short | Origin of interstitial water beneath the continental shelf offshore northwestern Australia: insights from hydrogen and oxygen isotope compositions |
| title_sort | origin of interstitial water beneath the continental shelf offshore northwestern australia insights from hydrogen and oxygen isotope compositions |
| topic | North West shelf Carbonate platform Geohydrology Miocene |
| url | https://doi.org/10.1186/s40645-025-00722-6 |
| work_keys_str_mv | AT kosukeyoshii originofinterstitialwaterbeneaththecontinentalshelfoffshorenorthwesternaustraliainsightsfromhydrogenandoxygenisotopecompositions AT hidekotakayanagi originofinterstitialwaterbeneaththecontinentalshelfoffshorenorthwesternaustraliainsightsfromhydrogenandoxygenisotopecompositions AT toshihiromiyajima originofinterstitialwaterbeneaththecontinentalshelfoffshorenorthwesternaustraliainsightsfromhydrogenandoxygenisotopecompositions AT larsreuning originofinterstitialwaterbeneaththecontinentalshelfoffshorenorthwesternaustraliainsightsfromhydrogenandoxygenisotopecompositions AT kazuyukiyamamoto originofinterstitialwaterbeneaththecontinentalshelfoffshorenorthwesternaustraliainsightsfromhydrogenandoxygenisotopecompositions AT yasufumiiryu originofinterstitialwaterbeneaththecontinentalshelfoffshorenorthwesternaustraliainsightsfromhydrogenandoxygenisotopecompositions |