West Maui (Hawaii) non-directional wave and tide data at three stations in depths less than 11 meters, October 2003-February 2004 (NCEI Accession 0037899)
The U.S. Geological Survey Western Region Coastal and Marine Geology Team deployed the National Institute of Water and Atmospheric Research (New Zealand) three (NIWA) Dobie-A non-directional wave gauges in nearshore areas of western Maui during October 2003 - February 2004 in depths less than 11 m. It also provides tidal heights, although they are not linked to a shore-based datum. These data were collected to provide research-grade scientific baseline measurements and for nearshore circulation studies. Data are in ASCII format with included metadata as .doc and .txt files.
Dataset Citation
- Cite as: Storlazzi, Curt; US DOI/USGS > Western Region (2008). West Maui (Hawaii) non-directional wave and tide data at three stations in depths less than 11 meters, October 2003-February 2004 (NCEI Accession 0037899). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://www.ncei.noaa.gov/archive/accession/0037899. Accessed [date].
Dataset Identifiers
ISO 19115-2 Metadata
gov.noaa.nodc:0037899
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Ordering Instructions | Contact NCEI for other distribution options and instructions. |
Distributor |
NOAA National Centers for Environmental Information +1-301-713-3277 NCEI.Info@noaa.gov |
Dataset Point of Contact |
NOAA National Centers for Environmental Information ncei.info@noaa.gov |
Time Period | 2003-10-21 to 2004-02-04 |
Spatial Bounding Box Coordinates |
West: -156.68
East: -156.63
South: 20.96
North: 21.01
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Data Presentation Form | Digital table - digital representation of facts or figures systematically displayed, especially in columns |
Dataset Progress Status | Complete - production of the data has been completed Historical archive - data has been stored in an offline storage facility |
Data Update Frequency | As needed |
Supplemental Information | Data parameters: -DYD Decimal year day 2001; dates/times are local Hawaiian Standard Time (GMT-11:00). -h Water depth in meters, calculated as the mean water depth from each hourly 512 s time series record. -Hs - Significant wave height in meters; derived from the zeroth moment of the reported energy spectrum. Described as the 'average height of the one third highest waves in the record'. The US Army Corps of Engineers, Shore Protection Manual, 3-11, states that a useful estimate of significant wave height in deep water is defined as: Hs~4 x sigma, where sigma is the standard deviation of the wave record. Statistically, the maximum wave height in the record is Hmax ~ 9 x Hs/5. - Tp - Peak period, in seconds; inverse of the frequency with the highest energy in the reported spectrum. A NIWA Dobie-A non-directional wave gauge was used to acquire this dataset. The Dobie was used in Time Series mode and thus recorded a time series of pressure, which was converted to water depth assuming a water density and atmospheric pressure. Significant wave height (Hs) and dominant wave period (Td) were computed from these 512 s time series of water depth at 2 Hz using the US Army Corps of Engineers (1989) SUPERDUCK spectral method. The high-frequency and low-frequency cut-offs were 0.04 Hz/25 s and 0.25 Hz/4 s, respectively. |
Purpose | This dataset is available to the public for a wide variety of uses including scientific research and analysis. |
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Last Modified: 2024-02-21T13:41:07Z
For questions about the information on this page, please email: ncei.info@noaa.gov
For questions about the information on this page, please email: ncei.info@noaa.gov