Interannual and Interdecadal Rainfall Variations in the Hawaiian Islands*

Chu, Pao‐Shin; Chen, Huaiqun

doi:10.1175/jcli3578.1

Cited by 149 publications

(138 citation statements)

References 31 publications

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“…Decadal variations in temperature historically have been closely coupled to the PDO, but recently temperature and the PDO have become decoupled (Giambelluca and others, 2008). Statewide analyses of rainfall and streamflow indicate that climate in Hawai'i has been getting drier (Oki, 2004;Chu and Chen, 2005).…”

Section: Climatementioning

confidence: 99%

Measuring surface-water loss in Honouliuli Stream near the ‘Ewa Shaft, O‘ahu, Hawai‘i

Rosa¹

2017

Scientific Investigations Report

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For more information on the USGS-the Federal source for science about the Earth, its natural and living resources, natural hazards, and the environment-visit http://www.usgs.gov or call 1-888-ASK-USGS.For an overview of USGS information products, including maps, imagery, and publications, visit http://store.usgs.gov.Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government.Although this information product, for the most part, is in the public domain, it also may contain copyrighted materials as noted in the text. Permission to reproduce copyrighted items must be secured from the copyright owner. , and Glenn Agunat (Monsanto Company) for their help with gaining access to the study area. Michele Harman (HBWS) also supplied critical water-level data for the duration of the study from a groundwater-monitoring well in the study area. This study could not have been completed without the assistance of Rick Fontaine, Alan Mair, Chris Cummings, and Chiu Yeung. Finally, the author would like to thank Delwyn Oki for his support and guidance in project design and report preparation. State Well NumbersSince 1971, Hawaiʻi's well-numbering system has contained seven digits. The first digit distinguishes the island, which is then followed by a dash separator. The next four digits represent the grid system, with the first two digits representing minutes of latitude and the second two digits representing minutes of longitude for that grid (using leading zeroes for minute values less than 10). To distinguish wells within a minute grid, two digits were added following the 4-digit minutegrid numbers with a dash separator, and are sometimes referred to as a sequence number.In 2012, Hawaiʻi's well-numbering system was modified to accommodate more wells than the previous numbering system would allow. The sequence number was changed from two digits to three digits, allowing for a grid to have 100 or more wells. If the sequence number is less than 100, the new numbering system places a zero in front of the 2 digits. References to wells in this report will only use a two-digit sequence number when the sequence number is less than 100.

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Section: Climatementioning

confidence: 99%

Measuring surface-water loss in Honouliuli Stream near the ‘Ewa Shaft, O‘ahu, Hawai‘i

Rosa¹

2017

Scientific Investigations Report

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“…In southeast Alaska, climatic warming has affected forest ecosystems primarily through effects on precipitation (i.e., for the Hawaiian Islands projects that continued warming and drying will be coupled with more intense rain events separated by more dry days (Chu and Chen 2005, Chu et al 2010, Norton et al 2011). This appears to be accurate for the central and western Pacific (Mimura et al 2007), and at least for Hawaii, climatic forecasting suggests that this pattern will be more pronounced in drier areas of the state.…”

Section: Southeast Alaskamentioning

confidence: 99%

Effects of climatic variability and change on forest ecosystems: a comprehensive science synthesis for the U.S

Vose¹,

Peterson²,

Patel-Weynand³

2012

103

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“…Drought conditions typically occur with an El Niño event, while La Niña events are associated with above-average rainfall (Lyons 1982, Chu 1989, Sanderson 1993, Chu & Chen 2005. As experienced in other locations, the impact of ENSO …”

Section: Study Areamentioning

confidence: 99%

Changes in dengue risk potential in Hawaii, USA, due to climate variability and change

Kolivras¹

2010

Clim. Res.

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Climate variability brought about by the El Niño-Southern Oscillation has been linked to outbreaks of infectious diseases, such as hantavirus pulmonary syndrome, cholera, and malaria. Additionally, climate change affects the distribution of diseases, causing some regions to become more or less favorable for the transmission of certain pathogens. Mosquitoes in particular are sensitive to climate change, and mosquito-borne diseases may become more common at higher latitudes and elevations under warmer conditions. This study examined the potential changes in dengue risk in Hawaii, USA, in response to climate variability and change using GIS. Dengue, transmitted by mosquitoes of the genus Aedes, is considered to be an emerging disease and almost half of the world's population is at risk of infection. Previous research has identified mosquito habitat and potential dengue risk areas in Hawaii based on average climate conditions, and this study incorporated notions of climate variability and change to that model and determined the population at risk under different scenarios. Dengue risk areas generally contract during El Niño-induced droughts and expand as a result of increased precipitation received during La Niña events. Future climate scenarios predict warmer temperatures and wetter summers in Hawaii over the next 25 yr, which will cause an expansion of mosquito habitat and potential dengue risk areas. The results of this study contribute to the overall understanding of climate-dengue relationships and will aid public health officials in efforts to determine where to concentrate resources for mosquito and dengue surveillance, given certain current or forecast climate conditions. KEYWORDS: Dengue · Climate change · ENSO · Mosquito-borne disease · Health · GIS · Hawaii Resale or republication not permitted without written consent of the publisherClim Res 42: [1][2][3][4][5][6][7][8][9][10][11] 2010 tionship between mosquito density and precipitation in locations where the intentional storage of water by humans is minimal (Moore et al. 1978), such as in a developed area like Hawaii.Globally, there are tens of millions of dengue infections per year and, while few people die from a dengue infection, the case fatality rate ranges from 1 to 5% for a severe form of the disease, dengue hemorrhagic fever (DHF) (Centers for Disease Control and Prevention 2007). DHF appears to be linked to subsequent infection with a different strain of the virus (Guzman & Kouri 2002), making prevention and control of dengue in Hawaii of critical importance; those infected during the 2001-2002 outbreak could be at increased risk of contracting DHF should a different strain of the virus be introduced. A global resurgence of dengue and DHF has occurred over the past 3 decades as the range of the mosquito vector has expanded and the virus has been transferred to a greater number of locations. One factor that has been implicated in the emergence of dengue is climate variability and change (Morse 1995, Gagnon et al. 2001.While other st...

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Interannual and Interdecadal Rainfall Variations in the Hawaiian Islands*

Abstract: Acknowledgments

Cited by 149 publications

References 31 publications

Measuring surface-water loss in Honouliuli Stream near the ‘Ewa Shaft, O‘ahu, Hawai‘i

Measuring surface-water loss in Honouliuli Stream near the ‘Ewa Shaft, O‘ahu, Hawai‘i

Effects of climatic variability and change on forest ecosystems: a comprehensive science synthesis for the U.S

Changes in dengue risk potential in Hawaii, USA, due to climate variability and change

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