The CoralHydro2k database: a global, actively curated compilation of coral δ18O and Sr/Ca proxy records of tropical ocean hydrology and temperature for the Common Era
The response of the hydrological cycle to anthropogenic climate change, especially across the tropical oceans, remains poorly understood due to the scarcity of long instrumental temperature and hydrological records. Massive shallow-water corals are ideally suited to reconstructing past oceanic varia...
| Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , , , |
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| Format: | Journal Article |
| Language: | English |
| Published: |
2024
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| Online Access: | https://hdl.handle.net/10356/174096 |
| _version_ | 1826118805123760128 |
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| author | Walter, Rachel M. Sayani, Hussein R. Felis, Thomas Cobb, Kim M. Abram, Nerilie J. Arzey, Ariella K. Atwood, Alyssa R. Brenner, Logan D. Dassié, Émilie P. Delong, Kristine L. Ellis, Bethany Emile-Geay, Julien Fischer, Matthew J. Goodkin, Nathalie Fairbank Hargreaves, Jessica A. Kilbourne, K. Halimeda Krawczyk, Hedwig Mckay, Nicholas P. Moore, Andrea L. Murty, Sujata A. Ong, Maria Rosabelle Ramos, Riovie D. Reed, Emma V. Samanta, Dhrubajyoti Sanchez, Sara C. Zinke, Jens PAGES CoralHydro2k Project Members |
| author2 | Earth Observatory of Singapore |
| author_facet | Earth Observatory of Singapore Walter, Rachel M. Sayani, Hussein R. Felis, Thomas Cobb, Kim M. Abram, Nerilie J. Arzey, Ariella K. Atwood, Alyssa R. Brenner, Logan D. Dassié, Émilie P. Delong, Kristine L. Ellis, Bethany Emile-Geay, Julien Fischer, Matthew J. Goodkin, Nathalie Fairbank Hargreaves, Jessica A. Kilbourne, K. Halimeda Krawczyk, Hedwig Mckay, Nicholas P. Moore, Andrea L. Murty, Sujata A. Ong, Maria Rosabelle Ramos, Riovie D. Reed, Emma V. Samanta, Dhrubajyoti Sanchez, Sara C. Zinke, Jens PAGES CoralHydro2k Project Members |
| author_sort | Walter, Rachel M. |
| collection | NTU |
| description | The response of the hydrological cycle to anthropogenic climate change, especially across the tropical oceans, remains poorly understood due to the scarcity of long instrumental temperature and hydrological records. Massive shallow-water corals are ideally suited to reconstructing past oceanic variability as they are widely distributed across the tropics, rapidly deposit calcium carbonate skeletons that continuously record ambient environmental conditions, and can be sampled at monthly to annual resolution. Climate reconstructions based on corals primarily use the stable oxygen isotope composition (δ18O), which acts as a proxy for sea surface temperature (SST), and the oxygen isotope composition of seawater (δ18Osw), a measure of hydrological variability. Increasingly, coral δ18O time series are paired with time series of strontium-to-calcium ratios (Sr/Ca), a proxy for SST, from the same coral to quantify temperature and δ18Osw variability through time. To increase the utility of such reconstructions, we present the CoralHydro2k database, a compilation of published, peer-reviewed coral Sr/Ca and δ18O records from the Common Era (CE). The database contains 54 paired Sr/Ca-δ18O records and 125 unpaired Sr/Ca or δ18O records, with 88% of these records providing data coverage from 1800CE to the present. A quality-controlled set of metadata with standardized vocabulary and units accompanies each record, informing the use of the database. The CoralHydro2k database tracks large-scale temperature and hydrological variability. As such, it is well-suited for investigations of past climate variability, comparisons with climate model simulations including isotope-enabled models, and application in paleodata-assimilation projects. The CoralHydro2k database is available in Linked Paleo Data (LiPD) format with serializations in MATLAB, R, and Python and can be downloaded from the NOAA National Center for Environmental Information's Paleoclimate Data Archive at 10.25921/yp94-v135 (Walter et al., 2022). |
| first_indexed | 2024-10-01T04:49:49Z |
| format | Journal Article |
| id | ntu-10356/174096 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2024-10-01T04:49:49Z |
| publishDate | 2024 |
| record_format | dspace |
| spelling | ntu-10356/1740962024-03-19T15:37:00Z The CoralHydro2k database: a global, actively curated compilation of coral δ18O and Sr/Ca proxy records of tropical ocean hydrology and temperature for the Common Era Walter, Rachel M. Sayani, Hussein R. Felis, Thomas Cobb, Kim M. Abram, Nerilie J. Arzey, Ariella K. Atwood, Alyssa R. Brenner, Logan D. Dassié, Émilie P. Delong, Kristine L. Ellis, Bethany Emile-Geay, Julien Fischer, Matthew J. Goodkin, Nathalie Fairbank Hargreaves, Jessica A. Kilbourne, K. Halimeda Krawczyk, Hedwig Mckay, Nicholas P. Moore, Andrea L. Murty, Sujata A. Ong, Maria Rosabelle Ramos, Riovie D. Reed, Emma V. Samanta, Dhrubajyoti Sanchez, Sara C. Zinke, Jens PAGES CoralHydro2k Project Members Earth Observatory of Singapore Earth and Environmental Sciences Climate change Temperature The response of the hydrological cycle to anthropogenic climate change, especially across the tropical oceans, remains poorly understood due to the scarcity of long instrumental temperature and hydrological records. Massive shallow-water corals are ideally suited to reconstructing past oceanic variability as they are widely distributed across the tropics, rapidly deposit calcium carbonate skeletons that continuously record ambient environmental conditions, and can be sampled at monthly to annual resolution. Climate reconstructions based on corals primarily use the stable oxygen isotope composition (δ18O), which acts as a proxy for sea surface temperature (SST), and the oxygen isotope composition of seawater (δ18Osw), a measure of hydrological variability. Increasingly, coral δ18O time series are paired with time series of strontium-to-calcium ratios (Sr/Ca), a proxy for SST, from the same coral to quantify temperature and δ18Osw variability through time. To increase the utility of such reconstructions, we present the CoralHydro2k database, a compilation of published, peer-reviewed coral Sr/Ca and δ18O records from the Common Era (CE). The database contains 54 paired Sr/Ca-δ18O records and 125 unpaired Sr/Ca or δ18O records, with 88% of these records providing data coverage from 1800CE to the present. A quality-controlled set of metadata with standardized vocabulary and units accompanies each record, informing the use of the database. The CoralHydro2k database tracks large-scale temperature and hydrological variability. As such, it is well-suited for investigations of past climate variability, comparisons with climate model simulations including isotope-enabled models, and application in paleodata-assimilation projects. The CoralHydro2k database is available in Linked Paleo Data (LiPD) format with serializations in MATLAB, R, and Python and can be downloaded from the NOAA National Center for Environmental Information's Paleoclimate Data Archive at 10.25921/yp94-v135 (Walter et al., 2022). Published version This work was partially funded by Georgia Tech's President's Undergraduate Research Award (PURA) and the Rutt Bridges Undergraduate Research Award to Rachel M. Walter. Kristine L. DeLong was partially funded by National Science Foundation Award 2102931 and Department of the Interior South Central Climate Adaptation Science Center Cooperative Agreement G19AC00086. Nerilie J. Abram, Bethany Ellis, and Jessica A. Hargreaves received funding from the Australian Research Council (grant nos. FT160100029 and CE170100023). 2024-03-18T02:38:06Z 2024-03-18T02:38:06Z 2023 Journal Article Walter, R. M., Sayani, H. R., Felis, T., Cobb, K. M., Abram, N. J., Arzey, A. K., Atwood, A. R., Brenner, L. D., Dassié, É. P., Delong, K. L., Ellis, B., Emile-Geay, J., Fischer, M. J., Goodkin, N. F., Hargreaves, J. A., Kilbourne, K. H., Krawczyk, H., Mckay, N. P., Moore, A. L., ...PAGES CoralHydro2k Project Members (2023). The CoralHydro2k database: a global, actively curated compilation of coral δ18O and Sr/Ca proxy records of tropical ocean hydrology and temperature for the Common Era. Earth System Science Data, 15(5), 2081-2116. https://dx.doi.org/10.5194/essd-15-2081-2023 1866-3508 https://hdl.handle.net/10356/174096 10.5194/essd-15-2081-2023 2-s2.0-85160941236 5 15 2081 2116 en Earth System Science Data © 2023 Author(s). This work is distributed under the Creative Commons Attribution 4.0 License. application/pdf |
| spellingShingle | Earth and Environmental Sciences Climate change Temperature Walter, Rachel M. Sayani, Hussein R. Felis, Thomas Cobb, Kim M. Abram, Nerilie J. Arzey, Ariella K. Atwood, Alyssa R. Brenner, Logan D. Dassié, Émilie P. Delong, Kristine L. Ellis, Bethany Emile-Geay, Julien Fischer, Matthew J. Goodkin, Nathalie Fairbank Hargreaves, Jessica A. Kilbourne, K. Halimeda Krawczyk, Hedwig Mckay, Nicholas P. Moore, Andrea L. Murty, Sujata A. Ong, Maria Rosabelle Ramos, Riovie D. Reed, Emma V. Samanta, Dhrubajyoti Sanchez, Sara C. Zinke, Jens PAGES CoralHydro2k Project Members The CoralHydro2k database: a global, actively curated compilation of coral δ18O and Sr/Ca proxy records of tropical ocean hydrology and temperature for the Common Era |
| title | The CoralHydro2k database: a global, actively curated compilation of coral δ18O and Sr/Ca proxy records of tropical ocean hydrology and temperature for the Common Era |
| title_full | The CoralHydro2k database: a global, actively curated compilation of coral δ18O and Sr/Ca proxy records of tropical ocean hydrology and temperature for the Common Era |
| title_fullStr | The CoralHydro2k database: a global, actively curated compilation of coral δ18O and Sr/Ca proxy records of tropical ocean hydrology and temperature for the Common Era |
| title_full_unstemmed | The CoralHydro2k database: a global, actively curated compilation of coral δ18O and Sr/Ca proxy records of tropical ocean hydrology and temperature for the Common Era |
| title_short | The CoralHydro2k database: a global, actively curated compilation of coral δ18O and Sr/Ca proxy records of tropical ocean hydrology and temperature for the Common Era |
| title_sort | coralhydro2k database a global actively curated compilation of coral δ18o and sr ca proxy records of tropical ocean hydrology and temperature for the common era |
| topic | Earth and Environmental Sciences Climate change Temperature |
| url | https://hdl.handle.net/10356/174096 |
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