Secular temperature changes in Hawai‘i
While the upward trend in global mean temperature has been intensively studied, some regional temperature trends are less well known. We document secular temperature changes in the Hawaiian Islands for the past ∼85 years based on an index of 21 stations. Results show a relatively rapid rise in surfa...
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| Format: | Article |
| Language: | English |
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Wiley
2008-06-01
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| Series: | Geophysical Research Letters |
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| Online Access: | https://doi.org/10.1029/2008GL034377 |
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| author | Thomas W. Giambelluca Henry F. Diaz Mark S. A. Luke |
| author_facet | Thomas W. Giambelluca Henry F. Diaz Mark S. A. Luke |
| author_sort | Thomas W. Giambelluca |
| collection | DOAJ |
| description | While the upward trend in global mean temperature has been intensively studied, some regional temperature trends are less well known. We document secular temperature changes in the Hawaiian Islands for the past ∼85 years based on an index of 21 stations. Results show a relatively rapid rise in surface temperature in the last ∼30 years, with stronger warming at the higher elevations. The bulk of the increase in mean temperature is related to a much larger increase in minimum temperatures compared to the maximum—a net warming about 3 times as large—resulting in a reduction of the diurnal range. For much of the period of record analyzed here, surface temperature in Hawai‘i has varied coherently with changes in the Pacific Decadal Oscillation (PDO). However, in recent decades, the secular warming has begun to predominate, such that despite the recent cooling associated with the PDO, surface temperatures in Hawai‘i have remained elevated. The greater warming trend at the higher elevations may have significant ecological impacts. |
| format | Article |
| id | doaj-art-e2b59d6199cd4e01b31d87695c4d0aca |
| institution | OA Journals |
| issn | 0094-8276 1944-8007 |
| language | English |
| publishDate | 2008-06-01 |
| publisher | Wiley |
| record_format | Article |
| series | Geophysical Research Letters |
| spelling | doaj-art-e2b59d6199cd4e01b31d87695c4d0aca2025-08-20T01:52:19ZengWileyGeophysical Research Letters0094-82761944-80072008-06-013512n/an/a10.1029/2008GL034377Secular temperature changes in Hawai‘iThomas W. Giambelluca0Henry F. Diaz1Mark S. A. Luke2Department of Geography University of Hawai‘i at Mānoa Honolulu Hawai‘i USADepartment of Geography University of Hawai‘i at Mānoa Honolulu Hawai‘i USADepartment of Geography University of Hawai‘i at Mānoa Honolulu Hawai‘i USAWhile the upward trend in global mean temperature has been intensively studied, some regional temperature trends are less well known. We document secular temperature changes in the Hawaiian Islands for the past ∼85 years based on an index of 21 stations. Results show a relatively rapid rise in surface temperature in the last ∼30 years, with stronger warming at the higher elevations. The bulk of the increase in mean temperature is related to a much larger increase in minimum temperatures compared to the maximum—a net warming about 3 times as large—resulting in a reduction of the diurnal range. For much of the period of record analyzed here, surface temperature in Hawai‘i has varied coherently with changes in the Pacific Decadal Oscillation (PDO). However, in recent decades, the secular warming has begun to predominate, such that despite the recent cooling associated with the PDO, surface temperatures in Hawai‘i have remained elevated. The greater warming trend at the higher elevations may have significant ecological impacts.https://doi.org/10.1029/2008GL034377global warmingmountain environmentsnighttime temperature change |
| spellingShingle | Thomas W. Giambelluca Henry F. Diaz Mark S. A. Luke Secular temperature changes in Hawai‘i Geophysical Research Letters global warming mountain environments nighttime temperature change |
| title | Secular temperature changes in Hawai‘i |
| title_full | Secular temperature changes in Hawai‘i |
| title_fullStr | Secular temperature changes in Hawai‘i |
| title_full_unstemmed | Secular temperature changes in Hawai‘i |
| title_short | Secular temperature changes in Hawai‘i |
| title_sort | secular temperature changes in hawai i |
| topic | global warming mountain environments nighttime temperature change |
| url | https://doi.org/10.1029/2008GL034377 |
| work_keys_str_mv | AT thomaswgiambelluca seculartemperaturechangesinhawaii AT henryfdiaz seculartemperaturechangesinhawaii AT marksaluke seculartemperaturechangesinhawaii |