Kaneohe Bay received increasing amounts of sewage from the 1950s through 1977. Most sewage was diverted from the bay in 1977 and early 1978. Data were collected beginning in September 1976 and continued until June 1979. The time series was re-established in June 1982 and continued to December 2005, when it was terminated. The sampling was at 1 m depth in the south sector of Kaneohe Bay, Oahu near the old outfall that ceased in 1977. Previous NODC Accessions 0000396 (1976-1979) and 0000422 (1982-1/2001) contained monthly averages of chlorophyll a, based on weekly to bi-weekly samples. This data set has the weekly to bi-weekly chlorophyll a, phaeo, water temperature, Secchi depth, and sample site depth. Additional data were taken from June 2004 - December 2005 and these will be available in a separate data set.

Chlorophyll data were collected at fixed platforms in the Coastal waters of Hawaii and Northeast Pacific Ocean from September 24, 1976 to June 15, 1979. Data were submitted by the University of Hawaii, Maui. Data were collected using pump sampler.

Chlorophyll data were collected at fixed platforms in the Coastal waters of Hawaii and Northeast Pacific Ocean from September 24, 1976 to June 15, 1979. Data were submitted by the University of Hawaii, Maui. Data were collected using pump sampler.

Kaneohe Bay received increasing amounts of sewage from the 1950s through 1977. Most sewage was diverted from the bay in 1977 and early 1978. Data were collected beginning in September 1976 and continued until June 1979. The time series was re-established in June 1982 and continued to December 2005, when it was terminated. The sampling was at 1 m depth in the south sector of Kaneohe Bay, Oahu near the old outfall that ceased in 1977. Previous NODC Accessions 0000396 (1976-1979) and 0000422 (1982-1/2001) contained monthly averages of chlorophyll a, based on weekly to bi-weekly samples. This data set has the weekly to bi-weekly chlorophyll a, pheo, water temperature, secchi depth, and sample site depth. Additional data were taken from June 2004 - December 2005 and these will be available in a separate data set.

A long term project to monitor water quality and sediment processes in Kaneohe Bay was initiated in November 1998 and continued through July 2001. Four primary sites in the bay were chosen which had been used in historical water quality studies. Additional sites were located in feeder streams within a mile of the bay and just offshore in the open ocean.

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Water temperature, salinity, chlorophyll-a, nitrate, phosphate, and other data were collected from a small boat in the Saanich Inlet, British Columbia, from 29 May 1975 to 14 July 1975. Data were collected by the Skidaway Institute of Oceanography (SKIO) as part of the International Decade of Ocean Exploration / Controlled Ecosystem Pollution Experiment (IDOE/CEPEX).

Freshwater plumes from rain run-off into Kaneohe Bay is the focus for the investigation. Measurements in this data set are currents as measured by an moored Acoustic Doppler Current Profiler (ADCP) and a Nortek current meter. Data were collected during November 2005 - March 2007 by members of the Department of Oceanography at the University of Hawaii. The ADCP sensor includes temperature at the transducer depth of 13 m. The Nortek current meter included ancillary measurements including temperature and pressure. Temperature and salinity data taken at 24 stations as part of this project are available in a separate NCEI accession.

This data set contains coastal water quality parameters as measured at seven shoreline locations on the west side of the Island of Hawaii and one site on Lanai, Hawaii during 1988-2011. Each location had over 20 sub-sites for sampling. Most were sampled roughly 4 times per year though some only once annually and other years with as many as 11 observational visits. The water quality data comprise 14 parameters and were collected using well-established instruments and methodologies. Parameters are aspects of water chemistry including turbidity. This set does not include measurements of bacteria. The data are stored in spreadsheets of the same format, with one file per location.